Malware Analysis Report

2024-07-28 14:39

Sample ID 240613-mswx8azann
Target a52378e0d10a1d2611bc9cac26a43e0f_JaffaCakes118
SHA256 e72cfae312a31263e5fb96b324175f96bb8a5ae5525adc61f494e61f196104c1
Tags
upx discovery evasion impact persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

e72cfae312a31263e5fb96b324175f96bb8a5ae5525adc61f494e61f196104c1

Threat Level: Likely malicious

The file a52378e0d10a1d2611bc9cac26a43e0f_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

upx discovery evasion impact persistence

Patched UPX-packed file

UPX packed file

Loads dropped Dex/Jar

Queries information about running processes on the device

Queries the phone number (MSISDN for GSM devices)

Queries information about active data network

Requests dangerous framework permissions

Queries information about the current Wi-Fi connection

Registers a broadcast receiver at runtime (usually for listening for system events)

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 10:44

Signatures

Patched UPX-packed file

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to read the user's calendar data. android.permission.READ_CALENDAR N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-13 10:44

Reported

2024-06-13 10:45

Platform

android-x86-arm-20240611.1-en

Max time network

4s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-13 10:44

Reported

2024-06-13 10:45

Platform

android-x64-20240611.1-en

Max time network

5s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-13 10:44

Reported

2024-06-13 10:45

Platform

android-x64-arm64-20240611.1-en

Max time network

6s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 10:44

Reported

2024-06-13 10:49

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

186s

Command Line

com.gb.gongwuyuanqiyeduan

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/data/com.gb.gongwuyuanqiyeduan/.jiagu/classes.dex N/A N/A
N/A /data/data/com.gb.gongwuyuanqiyeduan/.jiagu/classes.dex!classes2.dex N/A N/A
N/A /data/data/com.gb.gongwuyuanqiyeduan/.jiagu/classes.dex N/A N/A
N/A /data/data/com.gb.gongwuyuanqiyeduan/.jiagu/classes.dex!classes2.dex N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.gb.gongwuyuanqiyeduan

com.gb.gongwuyuanqiyeduan:pushcore

getprop ro.product.cpu.abi

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 api.exc.mob.com udp
CN 180.188.25.46:80 api.exc.mob.com tcp
US 1.1.1.1:53 m.data.mob.com udp
CN 180.188.25.47:80 m.data.mob.com tcp
US 1.1.1.1:53 api.share.mob.com udp
CN 180.188.25.42:80 api.share.mob.com tcp
CN 180.188.25.42:80 api.share.mob.com tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
CN 180.188.25.46:80 api.exc.mob.com tcp
CN 180.188.25.47:80 m.data.mob.com tcp
US 1.1.1.1:53 api.share.mob.com udp
CN 180.188.25.42:80 api.share.mob.com tcp
US 1.1.1.1:53 s.jpush.cn udp
CN 1.94.137.180:19000 s.jpush.cn udp
US 1.1.1.1:53 log.tbs.qq.com udp
HK 129.226.107.80:80 log.tbs.qq.com tcp
US 1.1.1.1:53 reg.gwyapp.net udp
US 1.1.1.1:53 api.exc.mob.com udp
US 1.1.1.1:53 plbslog.umeng.com udp
CN 36.156.202.78:443 plbslog.umeng.com tcp
CN 180.188.25.46:80 api.exc.mob.com tcp
CN 47.106.101.7:443 reg.gwyapp.net tcp
US 1.1.1.1:53 sis.jpush.io udp
CN 1.94.119.240:19000 sis.jpush.io udp
CN 180.188.25.46:80 api.exc.mob.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 easytomessage.com udp
CN 121.36.205.81:19000 easytomessage.com udp
CN 123.196.118.23:19000 udp
CN 103.229.215.60:19000 udp
US 1.1.1.1:53 m.data.mob.com udp
CN 180.188.25.47:80 m.data.mob.com tcp
CN 117.121.49.100:19000 udp
US 1.1.1.1:53 im64.jpush.cn udp
CN 119.3.188.193:7000 im64.jpush.cn tcp
CN 119.3.188.193:7005 im64.jpush.cn tcp
CN 119.3.188.193:7006 im64.jpush.cn tcp
CN 119.3.188.193:7009 im64.jpush.cn tcp
CN 119.3.188.193:7004 im64.jpush.cn tcp
CN 119.3.188.193:7007 im64.jpush.cn tcp
CN 119.3.188.193:7003 im64.jpush.cn tcp
CN 119.3.188.193:7002 im64.jpush.cn tcp
US 1.1.1.1:53 m.data.mob.com udp
CN 180.188.25.47:80 m.data.mob.com tcp
CN 119.3.188.193:7008 im64.jpush.cn tcp
CN 1.94.137.180:19000 easytomessage.com udp
CN 1.94.119.240:19000 easytomessage.com udp
CN 121.36.205.81:19000 easytomessage.com udp
CN 123.196.118.23:19000 udp
US 1.1.1.1:53 m.data.mob.com udp
CN 180.188.25.47:80 m.data.mob.com tcp
CN 103.229.215.60:19000 udp
CN 117.121.49.100:19000 udp
CN 119.3.188.193:7007 im64.jpush.cn tcp
CN 119.3.188.193:7006 im64.jpush.cn tcp
CN 119.3.188.193:7004 im64.jpush.cn tcp
CN 119.3.188.193:7005 im64.jpush.cn tcp
CN 119.3.188.193:7002 im64.jpush.cn tcp
CN 119.3.188.193:7003 im64.jpush.cn tcp
US 1.1.1.1:53 m.data.mob.com udp
CN 180.188.25.47:80 m.data.mob.com tcp
CN 119.3.188.193:7008 im64.jpush.cn tcp
CN 119.3.188.193:7000 im64.jpush.cn tcp
CN 119.3.188.193:7009 im64.jpush.cn tcp
CN 1.94.137.180:19000 easytomessage.com udp
US 1.1.1.1:53 sis.jpush.io udp
CN 139.159.137.254:19000 sis.jpush.io udp
CN 121.36.205.81:19000 easytomessage.com udp
US 1.1.1.1:53 m.data.mob.com udp
CN 180.188.25.47:80 m.data.mob.com tcp
CN 123.196.118.23:19000 udp
CN 103.229.215.60:19000 udp

Files

/data/data/com.gb.gongwuyuanqiyeduan/.jiagu/libjiagu.so

MD5 5aea02f4e4c77fbf2e7a27f7ca9cc06b
SHA1 522db1748608e9173547b29b7aa82ddc3542c534
SHA256 5a1c513b347e2a929769e2be67552c1d591704f08f7b5590282b66cc2c7d7bd2
SHA512 5c979a11f5e896829db906f533756efc1cf3c5a7e35ecc9e376a0aae818f2dada013441649feac2e188bd51affbbf35156e32fdc6552e185bddbc547f3850316

/data/data/com.gb.gongwuyuanqiyeduan/.jiagu/classes.dex

MD5 722e9b2b29fb509878cc3d30c38031a8
SHA1 ed7e62835a11cdc23d43a9255ee61a3f29a347af
SHA256 9713225b0877aa7b43026aa1ade5cf0c0de47fe21d3c4731b886d8f75e235b27
SHA512 87bf15b57f0358e88f21b5db648dcb969917b47e9d143a35603724e89e84324d5ae9c45bcc17303e7df6afaab7e9240da97052a3ceaa93031e6837fa659a391d

/data/data/com.gb.gongwuyuanqiyeduan/.jiagu/classes.dex!classes2.dex

MD5 28c4b2012fa777f9225414999efa6c59
SHA1 a7dc13e048b89009abcf70e06c2468a063213471
SHA256 04bf830c129cc160d1638e2ffca8680f5665678a460000507373ccc2f6cdd205
SHA512 92b8af05ef210a20463e1e82179f55aefe10649016f372a14beb77768138982ba5f360d1265e74e207adcbaf93bed5b9f23ff922a009ac78a35db70d6d547995

/data/data/com.gb.gongwuyuanqiyeduan/files/.jglogs/.jg.ri

MD5 ce07aa4381b29d1970bf74271921ea59
SHA1 63db5709d1b4eb43cff9494db7d4b297e20e4530
SHA256 d85c3d33832485c41c01f3fc4900a1e19b92f3769cf4f17713601179661ab745
SHA512 a2bdd1de0c2d2821aaaf6c3403c8f42ddc9ef7148c29ccb96a6ead6dd8d70d040d17c7e845863c32a80add5a756825b12c0e8049dc54a5f4f6d846eaceb4ad39

/data/data/com.gb.gongwuyuanqiyeduan/files/.jglogs/.jg.ri

MD5 6f864b668659774bcff7564b65638cd1
SHA1 33d59f7468de1d8e0e3298d8d0df2a1e9de89565
SHA256 6d794cb91cda79544549de084e2b932eabbbdcc8ab9a0cf13981d46c87ab9ff7
SHA512 27282d9d99e01546ffb3396289b01b7a767dc7756c60a8494f48188fec16e80b8d11e441ec2f11eff52fd0b9beb02c59d906967ffe80482980a18e0641370641

/data/data/com.gb.gongwuyuanqiyeduan/files/.jiagu.lock

MD5 471b9ef7a9dbc1dc8fb68e22aa1c5512
SHA1 2b7c9a95b607fa632e924cdef1bb681139ec5245
SHA256 045cce5c0e5e9513ddad5151b0dc0f013aaa132cf90fbb18ecdfeeda34198026
SHA512 818bd3b1bf6449011765ad4f8b3811052052f6e9665986397cb751b95b98ab2ed633d0ffdcad8783a93b46e9035969b70a987ceabad3213d19c2d48847230531

/data/data/com.gb.gongwuyuanqiyeduan/files/.jglogs/.jg.rd

MD5 d4e98faa77494fe6e4f4557ddf3d3444
SHA1 ce9098366b8701d0c0faeb279bf1af854e714688
SHA256 24fbd7effbc955f9df4e8badb3844596856b94be0ff9c3356f1af1730ea372a6
SHA512 53ef87d5028915ca14ec02972fdbfda87e0591728f6643a2bb9a7e2531189d3eab6e2b8afc5ba9111686c5dbb87c99d4f722186011c2973fbdb038ba2de81959

/data/data/com.gb.gongwuyuanqiyeduan/files/.jglogs/.jg.store.report_pid

MD5 6ca1607ce2637da6b60cbefb332ad5b0
SHA1 53dcce2598d019adb71526c1a2ea2fdcabf5fefc
SHA256 ba87713968117834c42eb2cc38e641229afd9448536fd61985d0e994581d82a6
SHA512 18df0d7db3d4621c158d5bf9f2f49c61cc224fc5b2eee6b016a1d12c7d5fff860b80b53645aa9bc738bd57522e925bdc809b0a955ec141eb5943309a9c507b44

/data/data/com.gb.gongwuyuanqiyeduan/files/.jglogs/.jg.ac

MD5 51f7a6b6966106c4e3e17913e4d134d4
SHA1 793383537f7a4d930578c2c3c57ecf26c6ca2810
SHA256 4ec9ff24fee9590bd492d8cf42c7a332102405dcbc1368b478c7f636358318f0
SHA512 f8e38b46f6143b4081e88abe7c27d7b271103672471f08e2b6f3c58038256787da007ef74ae43d5c1056b6c33dcfbe4869381347bcde464e66aec37ca07cb833

/data/data/com.gb.gongwuyuanqiyeduan/files/.jglogs/.jg.ic

MD5 19402718bfb1c685a726b4e1d846ad98
SHA1 02a7e30044a67085f2f1da24e16e4ecfede65b72
SHA256 079f790e6a1934a94542559f53a89a824aafd3173d956b6019291955aeeb33d0
SHA512 25254318c22cfd301c8bcd479f45797d502b6ab5f14265dadfa3d87b4dd1942a629d3cbc2f0b600cf73b4fe910e3773432f56a0a7b4343e280e20c5a6af0320b

/storage/emulated/0/Mob/comm/.di

MD5 15c5628bb538f4edf14246567bcbdcd8
SHA1 d33d075b67e36aebe0df876aa0033675f37367ab
SHA256 1e8c2332388edc3a4bc7477a6e570fab5d8f5f0f8448aeecf2b176e1ef9fb1d6
SHA512 204c438a7f4480a138651e864400e4b177b8635518f0fb534d2e8aa704143a164889f0b2f4e737848d3683b3cdd6bba80480f843bdcedca0e3b326c7c3cd07d5

/data/data/com.gb.gongwuyuanqiyeduan/app_tbs/core_private/download_upload

MD5 7a5543c920c365dc0b521f3543b6dae4
SHA1 86f80875c24824c3c0607e5a751ccf0418435715
SHA256 e579315ddea6b6bdf7a7912a6cd6bc4ea31452cd2a874c251b0dedf29d1cd676
SHA512 f5e54dc8d0fcef0c1171eea6609a958070c0240866c7a152d0f3092558aabe428d412a899543f7590c1899bbf4cb77349a8e70aa6025d67909bdc3c3cc16ce41

/storage/emulated/0/data/.push_deviceid

MD5 08473190dc0e2cd6c208b2c9c1a21ff7
SHA1 df2c95c1978ccfba9db5f554e8532f5a04aa099f
SHA256 11edcf678bca129021268d7730218768d5d19fc4324e37119a2084af3787172d
SHA512 60bdda8b4ce4052ac520eb5573bb916b6ffa052e5c2f90e85ddc411983c718d833843a6b3cc96f7a99391aad4a10ca694a3c7795a79685a9da03830a209e6123

/storage/emulated/0/data/.push_deviceid

MD5 85abafff56e2a2a0fbc0a2daaf0461e4
SHA1 47e09145bf963d209ac27aeacf4880b7a5d557e3
SHA256 2aefefa1e235d9eab4991c3f25e5c7cddc708f209397804b226750f2f6d34b23
SHA512 812f0fb6d2988071665add72c40bf105a8ec508d925f286e0c0a22f0e3149abdb4b8dcbfd217ef0db1faf07ad0d65a72a6f69c540d252c8821083084813eca28

/data/data/com.gb.gongwuyuanqiyeduan/files/jpush_stat_history_pushcore/normal/nowrap/a945eb21-5ca9-48a7-bd59-a7c3e3ed94ba

MD5 eb22b6d7ddd66bb2867f89a877908f5d
SHA1 360b5023230469a025a4cc78e432f99f601e395e
SHA256 a3adcb877c224635dd508305051e0a37aa738603934bc2ab858aa07885cb8eb4
SHA512 4c43a97185ee73ff26577ca516068b3e5c2344e4d2a9d201ebce07e7827dd5d6dfd77f1d584ed176caf8375306b3f10abe813cee2a0fbb77fb218b95c6a135a0

/data/data/com.gb.gongwuyuanqiyeduan/app_tbs/core_private/download_upload

MD5 ade061541aaa87fbce6dd91f01be7de4
SHA1 dad574ba3e5c4f399cc558a67fc0ccdf4ada9888
SHA256 69d03870e142cd1b2515db08e29181f91fbb7691019793634f2a8c0e9561cdaf
SHA512 e5bcbc410a2d5ae6b6c3a4d42578ef59ee6035488c6d5ff0675ae3ff56d3b681a3de580f3798f2c54c7418c7302067c242f8827e16280c636927c07e8bfa36df

/data/data/com.gb.gongwuyuanqiyeduan/databases/ThrowalbeLog.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.gb.gongwuyuanqiyeduan/files/Mob/share_sdk_1

MD5 8e24e79baab91c4d0604eaa9006a0cb3
SHA1 e427afc94a4b957a7096f73e395a10ea404c076b
SHA256 65ee797326cb9d94a4c8b13fb114a7273d80af9ae547496bf56556c479f75e4d
SHA512 45bde5e1b5da5e54f7f5baf24cf4d9158ccf5813f0babc05677437bfedf1d54c4707090a1c425089e8f9582a85fed80b25c1e1f30ec2051afc6fe68bb8a76bae

/data/data/com.gb.gongwuyuanqiyeduan/files/Mob/mob_commons_1

MD5 99914b932bd37a50b983c5e7c90ae93b
SHA1 bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
SHA512 27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

/data/data/com.gb.gongwuyuanqiyeduan/databases/ThrowalbeLog.db-wal

MD5 942908713e9a5ad9bea254ac0ecab668
SHA1 c3ac02a678d040db565c3cc13bc6c2d8d41a4dee
SHA256 cea2d4a32d03c762ac21fcfabc31073e2fd59e3436c4e09ed6ef755e75357bba
SHA512 48a5ee85c7d1111ab26015894f982933d5a0900c100bcdb37ed20cc2dfb1ec2a8493ef7fbbd82897e044aecc5fcf9191a1b81834868933352120c07185619c86

/storage/emulated/0/Mob/comm/dbs/.duid

MD5 560f3b3871c885af4ffd99e00aa8058b
SHA1 61ee9ed3e1feff904892115064fa8ad9fe9cd9c7
SHA256 e711746178b22f084b4dd155c615a993d094f60e822b0027db3901cda513828e
SHA512 d69332df5a3a5960a32888fe179ac86e04fc6319763d4aeedadf2f8ee03be93b7ac9c717416b8f5bbf9c90969973365b1f0e85a6dd55a02bb04e2955e6255b8d

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 10:44

Reported

2024-06-13 10:46

Platform

android-33-x64-arm64-20240611.1-en

Max time network

9s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 172.217.16.228:443 udp
GB 172.217.16.228:443 udp
GB 216.58.212.196:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.187.202:443 udp

Files

N/A