Android.SkyMobi.25

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.YtAd.1.origin
Android.SkyMobi.6.origin
Android.Triada.155.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) and####.5####.com:8077
TCP(HTTP/1.1) api.var####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) img.ace####.com:80

DNS requests:

a####.u####.com
and####.5####.com
api.var####.com
col####.1u####.com
dl.eleve####.net
img.ace####.com
mo####.1u####.com
pa####.1u####.com

HTTP GET requests:

img.ace####.com/ando-res/m/hQFsvuTOjQG2grLU8T2VCshw4jkuJadBny-GDQ
img.ace####.com/ando-res/m/s3KOUSTUNwqwJOgW89Tsl-Qlaroq07gDVNfYRzW-w*Av*...

HTTP POST requests:

a####.u####.com/app_logs
and####.5####.com:8077/android/sms/netpay/prefetch.do
api.var####.com/ando/x/lis?app_id=####&r=####
api.var####.com/ando/x/liv?app_id=a6290d72-6171-40db-867d-9e21cd358691&r...

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/100300062711-181209
/data/data/####/1544366491936.apk
/data/data/####/1544366492129.apk
/data/data/####/1544366492299.apk
/data/data/####/1544366492443.apk
/data/data/####/3fXTl3cSRIRUu21p.dex
/data/data/####/3fXTl3cSRIRUu21p.zip
/data/data/####/8K2r86cGS2Zbkcrgcxb9M6Dm1BA=.temp
/data/data/####/8RAi7uHf_TfP4ij9zMjdcRUDleYHx9tK5V1C_g==.new
/data/data/####/9bOif9wkIkoFRoHFdTAgGQ6zbH-kt13T.new
/data/data/####/ACCOUNT_SYSTEM_ACCOUNT_INFO.xml
/data/data/####/BOOT_SMS_INFO.xml
/data/data/####/BOOT_SMS_SENT_TIME.xml
/data/data/####/Cocos2dxPrefsFile.xml
/data/data/####/D8mjkGx0Ee0ABl1CPi14svKacM-C3a1b3UeT6w==_FCjORc...ournal
/data/data/####/D8mjkGx0Ee0ABl1CPi14svKacM-C3a1b3UeT6w==_QrYV62...ournal
/data/data/####/D8mjkGx0Ee0ABl1CPi14svKacM-C3a1b3UeT6w==_b4F0f2...ournal
/data/data/####/D8mjkGx0Ee0ABl1CPi14svKacM-C3a1b3UeT6w==_r9Mu6G...ournal
/data/data/####/Data_sync.db-journal
/data/data/####/DownloadBillingList_100300062711_00001264_00000...nanaly
/data/data/####/E0cbofVeeWYJU6jcLrDDWHfohMjc0std.new
/data/data/####/Faqf76S1pEBbiRC2C8eBwqsdGqc=.new
/data/data/####/GOemZR1EoxP8cAVr
/data/data/####/L8GAmueEkuYYxG7uMfYodHVCJRqwZyKr.new
/data/data/####/MC7sgFUB_Bh2sfEPguJtdVg6VpQ=
/data/data/####/MrATMVoIm1lPTZPPoCqKAf7ffg4=.new
/data/data/####/NlZh3AG1yp5rB5lUWN0xj-IPEAbtmMVep_4a0Q==
/data/data/####/Ob7o2qaVhZl_l4Ny9ub-5w==
/data/data/####/PFW5teLMNk01TZze6a0bcw==
/data/data/####/PFW5teLMNk01TZze6a0bcw==.new
/data/data/####/Q633h60aGmn3q5l9.new
/data/data/####/S1wRrtvpRmZxZC_sW2PGFA==.new
/data/data/####/XfbROtMuuLFk6rNop7fP6nDrT-IaLCrK.new
/data/data/####/apk.dex (deleted)
/data/data/####/apk.zip
/data/data/####/base-1.apk
/data/data/####/base-1.dex
/data/data/####/bc4InMS3TKyKX2wyGV2rphU4Kh_KMt7UEu_MSxaEsz0=.new
/data/data/####/classes.dex
/data/data/####/com.souying.pay.plugmain_sy_pay_record
/data/data/####/com.souying.pay.plugmain_sy_pay_record-journal
/data/data/####/com.souying.pay.xml
/data/data/####/data.dat.tmp
/data/data/####/defrayPriority100300062711250026699187743.dat
/data/data/####/eOUnVJ5PPTUb05g2HmwORQ==.new
/data/data/####/exchangeIdentity.json
/data/data/####/ibnmVIEXM0Beg7f1gnALN05EA7yu6ynZIFM4_QnWQwk=.new
/data/data/####/ifYKzzQRSMgCJH03Jdkl5f5rhC0=.new
/data/data/####/iyoupay.so
/data/data/####/iyoupay_data.dex
/data/data/####/iyouypay.xml
/data/data/####/iyouypay.xml.bak
/data/data/####/iyouypay.xml.bak (deleted)
/data/data/####/kNfb-mqf76HYcbk0
/data/data/####/l2Ebt218xBieFaD7HWPXf7jSFXpEe3-uRilx0A==.new
/data/data/####/libexec.so
/data/data/####/libexecmain.so
/data/data/####/ljQMPZUABse927-7AxE7tMCDRfrDlLGpkV6UzA==.new
/data/data/####/mobclick_agent_cached_com.bsfzkz.zspbpb2892
/data/data/####/o4CiD_qYCSHehKZetd0dYAT0HtwhU56T.new
/data/data/####/plugins.installed.xml
/data/data/####/plugins.serviceMapping.xml
/data/data/####/rdata
/data/data/####/rdata.new
/data/data/####/recordInfo
/data/data/####/recordInfo-journal
/data/data/####/res-20160928-218-NewServer-NoHY.bin
/data/data/####/runner_info.prop.new
/data/data/####/sm.apk
/data/data/####/smaip.apk
/data/data/####/smt.apk
/data/data/####/sn.apk
/data/data/####/sy_pay_config.xml
/data/data/####/sy_pay_record
/data/data/####/sy_pay_record-journal
/data/data/####/tQQh5DHLxGSBOrhVECJDFPyD1BFcA_26.new
/data/data/####/tffaq_f.dex
/data/data/####/tffaq_f.zip
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak (deleted)
/data/data/####/umeng_it.cache
/data/data/####/uuPi7PebPASdxTvB6Z93Gg==.new
/data/data/####/vS7FSTs4YVfMz2dv-WiY6Ex8u4FwiDKr.new
/data/data/####/wqpzyIyz_T-98QinUY7ha_ve9mYJtDdK.new
/data/data/####/zJUNH7Cwlkj0lNAYD6VgmjuKfVU=.new
/data/media/####/.nomedia
/data/media/####/.uunique.new
/data/media/####/5NCMj4FHDAiNMsrjQKob6JdxZXM=.new
/data/media/####/I7HE1pd26tdvkjhloLWlx5UBeDOAmh6M
/data/media/####/I7HE1pd26tdvkjhloLWlx5UBeDOAmh6M.lk
/data/media/####/IYouPay_error_log20181209_14-41-47.log
/data/media/####/IYouPay_error_log20181209_14-41-51.log
/data/media/####/IYouPay_error_log20181209_14-42-01.log
/data/media/####/IYouPay_error_log20181209_14-42-05.log
/data/media/####/IYouPay_error_log20181209_14-42-17.log
/data/media/####/IYouPay_error_log20181209_14-42-23.log
/data/media/####/MP8MtaBuguN9jnuSwtN1kQ==
/data/media/####/com.skymobi.pay.plugin.main.data
/data/media/####/com.skymobi.pay.plugin.recordupload.data
/data/media/####/com.skymobi.pay.plugin.smspay.data
/data/media/####/crash-1544366493773.log
/data/media/####/crash-1544366499195.log
/data/media/####/crash-1544366515975.log
/data/media/####/crash-1544366530470.log
/data/media/####/crash-1544366547058.log
/data/media/####/iyoupay_data.jar
/data/media/####/r_pkDgN4OhnkSa0D
/data/media/####/user.sys

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/code-6758314/GOemZR1EoxP8cAVr <Package> com.asfaka.aspapa.vfraaa.a.a.c.b /storage/emulated/0/.armsd/tjfblFPob85GtAQw/I7HE1pd26tdvkjhloLWlx5UBeDOAmh6M /storage/emulated/0/Download/ladung
cat /proc/version
chmod 666 /storage/emulated/0/Android/data/com.skymobi.pay.newsdk/plugins/com.skymobi.pay.plugin.main.data
chmod 666 /storage/emulated/0/Android/data/com.skymobi.pay.newsdk/plugins/com.skymobi.pay.plugin.recordupload.data
chmod 666 /storage/emulated/0/Android/data/com.skymobi.pay.newsdk/plugins/com.skymobi.pay.plugin.smspay.data
getprop ro.product.cpu.abi
sh <Package Folder>/code-6758314/GOemZR1EoxP8cAVr <Package> com.asfaka.aspapa.vfraaa.a.a.c.b /storage/emulated/0/.armsd/tjfblFPob85GtAQw/I7HE1pd26tdvkjhloLWlx5UBeDOAmh6M /storage/emulated/0/Download/ladung

Loads the following dynamic libraries:

cocos2dcpp
iyoupay
libexec
libexecmain
zimon

Uses the following algorithms to decrypt data:

DES-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Parses information from SMS.

Gets information about incoming/outgoing calls.

Gets information about sent/received SMS.

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Mitos

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