Malware Analysis Report

2024-07-28 11:23

Sample ID 240614-ccrcpavcqp
Target a7a4b99b40d527f9e62e6f9c4532a8d7_JaffaCakes118
SHA256 15bf04f4eac4f43692090618fe281f7a1234f7c7972e1a950b55f7350f4416cd
Tags
collection discovery evasion impact persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

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

15bf04f4eac4f43692090618fe281f7a1234f7c7972e1a950b55f7350f4416cd

Threat Level: Likely malicious

The file a7a4b99b40d527f9e62e6f9c4532a8d7_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

collection discovery evasion impact persistence

Checks if the Android device is rooted.

Requests cell location

Queries information about the current nearby Wi-Fi networks

Queries information about running processes on the device

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

Queries the unique device ID (IMEI, MEID, IMSI)

Queries information about active data network

Reads information about phone network operator.

Listens for changes in the sensor environment (might be used to detect emulation)

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

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 01:56

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 01:56

Reported

2024-06-14 01:59

Platform

android-x86-arm-20240611.1-en

Max time kernel

167s

Max time network

179s

Command Line

com.oil.jycjt

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/app/Superuser.apk 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

Queries information about the current nearby Wi-Fi networks

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

Requests cell location

collection discovery evasion
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getCellLocation N/A N/A

Queries information about active data network

discovery
Description Indicator Process Target
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

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Listens for changes in the sensor environment (might be used to detect emulation)

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener 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

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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Processes

com.oil.jycjt

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 api.map.baidu.com udp
HK 103.235.46.245:443 api.map.baidu.com tcp
US 1.1.1.1:53 cjy773857813.github.io udp
US 185.199.108.153:443 cjy773857813.github.io tcp
US 1.1.1.1:53 plbslog.umeng.com udp
CN 36.156.202.68:443 plbslog.umeng.com tcp
US 1.1.1.1:53 ulogs.umeng.com udp
CN 223.109.148.179:443 ulogs.umeng.com tcp
US 1.1.1.1:53 m.shanyouxia.com udp
US 1.1.1.1:53 ymc-oss.oss-cn-hangzhou.aliyuncs.com udp
CN 118.31.219.212:443 ymc-oss.oss-cn-hangzhou.aliyuncs.com tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
US 1.1.1.1:53 m.shanyouxia.com udp
US 1.1.1.1:53 m.shanyouxia.com udp
CN 118.31.219.212:443 ymc-oss.oss-cn-hangzhou.aliyuncs.com tcp
US 1.1.1.1:53 plbslog.umeng.com udp
CN 223.109.148.176:443 ulogs.umeng.com tcp
CN 36.156.202.73:443 plbslog.umeng.com tcp
CN 223.109.148.178:443 ulogs.umeng.com tcp
CN 223.109.148.141:443 ulogs.umeng.com tcp
CN 223.109.148.177:443 ulogs.umeng.com tcp
CN 223.109.148.130:443 ulogs.umeng.com tcp
US 1.1.1.1:53 ulogs.umeng.com udp
CN 223.109.148.141:443 ulogs.umeng.com tcp

Files

/data/data/com.oil.jycjt/files/libcuid.so

MD5 806267a0f49f093b2bf13ad189022197
SHA1 51e118befa475272e17235573cfcba406f16367e
SHA256 f02e2c2e7fe2f17879b28e090398347c628ef2799258d165dd13d1a7058ae1a1
SHA512 4cc4d83c09953bb2693a135c8b89884b1ce35f4bd4ea083051bd3a997a4dbf5ae8f81e9f08911fbc8a4aaacbe71cf12a471a7fcf79a308f6a745a359c661b794

/data/data/com.oil.jycjt/files/umeng_it.cache

MD5 721c131ab10633d930e328f1a00675fb
SHA1 29ceeca443a0a38e0be8098f7a3732225c5f85db
SHA256 eaa88dadb59174f7da5d7bf627fc63811a3c908fe18dffef4c907e2eb0f3b1e2
SHA512 f91427aaeedc87948303fd68a7d073b3ad6044a30152b43c5a5a0ffa5c87724a76d571f15ff9af0bacd6062ee93232205cecd7d5051953b5d29853319e5d23db

/data/data/com.oil.jycjt/files/stateless/dW1weF9pbnRlcm5hbA== /dW1weF9pbnRlcm5hbF8xNzE4MzMwMTg2NzQ0

MD5 640071bffdf71efec73007ce973ab62d
SHA1 e2823b1b9ba73e5ea25a3c4dc7cc6faad2fa0d81
SHA256 7ea5ad7906c7978ac2a7d832073acc3aae10619cc5b106afcaa5f2bc8c4f5d0c
SHA512 342e48952c4441c057e73982acd69ac8e86c96007e0adef04ec9391afefe494549cc4eb21d69a2822e9aea9861f85f771cc10e3f69ade4e58058cfd7a9ab7ebc

/data/data/com.oil.jycjt/files/.umeng/exchangeIdentity.json

MD5 b462e948314c80a58a17d67074ad54d1
SHA1 d6f1bd998d8fb30549c99e90e040b16863b3c1e6
SHA256 bcac3c96a2636495ffc5147ec77a8f4d2e287add876e325c92f91759a95caa10
SHA512 a11ff8ef28056ac4977a716c6b16f860226cb2f9810e06984747bb8163e4af1b098c651a16487334952c8b70b807607cff710576568d6d7f17b0ae75576648d9

/data/data/com.oil.jycjt/files/exid.dat

MD5 20b1839392aee6c28561a52199e2f420
SHA1 4574b365deb4a579ec97644dd095817dff203852
SHA256 8ad309a88fcfb0b364745db3c16039092305322821a5a916993249eea313e204
SHA512 0f9d01ea9427ef14d4ad214749015a4eb02fb1f195f315f9fd5b1870931bd28ca3e2b2bb875fa98917e68b90282e0c8bd006525131a96311d626f80b11e4c421

/data/data/com.oil.jycjt/files/.envelope/i==1.2.0&&1.1.0_1718330187423_envelope.log

MD5 d3d802a8397885e74f0f58bc84071ebc
SHA1 ef48bcc1e70f3c0319955e6dba132d18ccd11cc5
SHA256 a307eba5513bdbd70f0b4f9090ec694d74c8528a4fff31efe8272247693027c9
SHA512 601482ad3309ba3be5aabeaeb0885a93af88971dd63dc3f778e5b21059caf14f12f8923822b114a7c6338b27e837960e797d9849c06002f483565ca79bba4597

/data/data/com.oil.jycjt/databases/ua.db-journal

MD5 2ab1d972a70282fee22ba2e6bcbc1664
SHA1 dee27cfd58752752a7475c358176161e3b52f33f
SHA256 94f15add2dd6b6e7fc7d111bb6a6fd5b569de9df1cf5f62ea8daf818b1d30930
SHA512 67a7e06ab1e1197067837bb0390883e1d52898044783799a514c815b1aa0403412a71180ad317a95e7039f4b2940c00d766b448e77867f69b74fddcb8fa881ab

/data/data/com.oil.jycjt/databases/ua.db

MD5 a2c8ea957c4597e5db4c0a0d8e0c5ed9
SHA1 60e20b2855a3cf0725332849c7717c6d98875e1e
SHA256 c821fbe5f760f9087a3e1618936eab77433afb71558cffc0624ba2999bb33866
SHA512 780de46a7729ff1aad53afb51388c1cea55a8bb2f8a9de6e76c979c4bae0f9d58c83e772c443a2cb8b8e507a9aa399f0ad1400bcdcdb916d17f6c73061172b36

/data/data/com.oil.jycjt/databases/ua.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.oil.jycjt/databases/ua.db-wal

MD5 da4a0f5cf9df0370f0b795ba252e3cd3
SHA1 593078328126823194e0ddec376abb89fb51ff3c
SHA256 eef424195efb651ab2dd624a9fb64f88d4b9ac358ce1900fdab6104eba81b557
SHA512 b9aeda334fd566afa4dfbcb93f3906f49f37ecc9fc233fd42e457daab1099b2beb2a8a1f5d51dd0b864842287064f8499d272a94394966978906c41e17245e57

/data/data/com.oil.jycjt/databases/ua.db-wal

MD5 55bc1cf045750669a0b1b686a359c2eb
SHA1 91daa2cad170676b2a95e315189294ea1dd2e4c6
SHA256 9494dc3202418f3b12e1f5b48c6a2522b4a3def17879686fe087e277f14475cb
SHA512 ffa4341b593c90436020624fec9cb20b4a44e5f0da4adabc086585468ca916bdde7f9c6ae7ddae7796d3d5f960365ec8f9a63cb617f192465a66b04c8bb59311

/data/data/com.oil.jycjt/databases/ua.db

MD5 f5319e073d829898604028f491d52f7a
SHA1 84de8545e7201a0cf2bbba6aff3c4879c3e8edb8
SHA256 860f0f913ae8606d2be43dca47b9c9d97138d3c46de61c8d4946f6ab0bb8bdd7
SHA512 14cee6f878f15e9c7f891ceb1e4feacd0878ce45ae558bafad6893f35e41d5b6f0ff60ef0db504b9139a906f06ec8f2bb0c8371e90777f95bd7bf84906362ae3

/data/data/com.oil.jycjt/databases/ua.db-wal

MD5 8ec25d93ee7a65c00c8203c44f908138
SHA1 d48b0274c9a8e9aaca44b9d966929bf3c91e736f
SHA256 075589ef55f7aedee9a90387d15a139f6930720fc2cf660c5aa0d3ede1ae368d
SHA512 a34a34b301cd3c88a0f0cc8c90ce64ea0e737a85bf02a6b482ee9148e11d32c275944c443120eaac052b64c6af32341aa47bfb4377da67fa01c60bd76680de08

/data/data/com.oil.jycjt/databases/ua.db

MD5 64a725c07fa6290e5d974c9cbcd1b5cd
SHA1 c61b1ca2a90f835c87d99f4189adf857fff8af56
SHA256 fa4f21e441919c156c918e4e79a56700452a7c9f045b97633b20207512cfce63
SHA512 9e966c92c1f80bffa45a5619cbc48c52504e63fde668f05c4d2ab79250a0997fbf7bf909c4e4a30ab50899bf05d73851706f485d525857abbc27b1694f8e44b2

/data/data/com.oil.jycjt/cache/image_manager_disk_cache/journal.tmp

MD5 8c92de9ce46d41a22f3b20f77404cc1d
SHA1 8671a6dca00edb72be47363a7071be65cf270373
SHA256 68bb33ddeed9200be85a71f70b377985f9ee68e91578afbde8321463396f1274
SHA512 30f45fe9954215d6adafcc8f0a060a7ff41963a64f9b849a37f0d18fe045038d429ec13bf15226769c4ba78dad3c52f3d9e0dbbb4fcdea4828a1efe956e48f56

/data/data/com.oil.jycjt/files/.envelope/t==8.0.0&&1.1.0_1718330189150_envelope.log

MD5 fc505ce5f93c0e7ed31277a618750e1f
SHA1 5308ecefab9911d35573ce3195f3ea7a15fab5dd
SHA256 f5094a9397a30218d30285ab0c9f5b2868fc5595eaa358c942381859178295ec
SHA512 b2f7be53d429e9c27aaf80349bd6ecaf021c85371736e371d78a57e5e7ae374e4b92f20bd8b3008ad51b4b274e4db64a0256704e76044824600cc27aaec9e831

/data/data/com.oil.jycjt/databases/ua.db-wal

MD5 fd908af9c522688d781d58b92d987af2
SHA1 40ead80c38fcf907e45503abfc76e079a8fa3b7f
SHA256 509979287cdce09e79521bcad1022cae697e73aff850a11ceacfb9e5cbfc1fc6
SHA512 7fc6d138943abf513bca697cf1778a6f69db09e27596be047499892a47d01d552f2a4bc87606ba20505d0c69afe9d1dc8fa550b56ea5d551b260708bea499aa7

/data/data/com.oil.jycjt/databases/ua.db

MD5 78b0e343412dfb6528e68da87f124af1
SHA1 01de4d49b9cca4bd0a2c0772d3107d0c0d72cf6e
SHA256 aef1bebfa4b35659e96d79ea512977e9a88c93cd98cc0a490abd19d43022c5d3
SHA512 69e7a85fe7ca69198baf6a286362703ee7ad6a3f8cf16c3f6ce6682d32ca262241141a80801d4054569e8d5d5948088f543e453ad9aedf896ba8d1c87c162b8c

/data/data/com.oil.jycjt/databases/ua.db-wal

MD5 b392b0b27b059a6ab3683ffbb43da2b6
SHA1 0c24245d9a87915e235d3c448c3d164984bfe068
SHA256 a0be497aeb1c2f4bc7de30d40af40dcd928ab23b362f05c16125dd4f1da9a131
SHA512 95c12e161ff6c501483d608f08f5da21695c84f7b2f89fe3dfe9a8ce58dfef36788975dbfe7a823327925dd682fcbfb6e9fa50b39cd4c048ce00f6d45695393a

/data/data/com.oil.jycjt/databases/ua.db

MD5 651587f83d5d307a9b31fbb793cf376d
SHA1 4dba50580b358b576e2d1a1d9e55b8d3fe6987b3
SHA256 7c122d800e720a191d0fb7e3d2066b65e54147bcabcee588e64355078961e128
SHA512 59690bcd538ab25db455cd73ed98494686b11a51e298a436bcd2fae497ff53d16c8f5417fee68155c58047167e47dae908ec14ad0f076046110c8f8fa99e7592

/data/data/com.oil.jycjt/files/.imprint

MD5 40a5c0b91a5a024dcc92b6e58db6061a
SHA1 5247dfeb8a77d14a16430970910d787ccc278dd8
SHA256 7ff583579305f29862b4bdbf3d5f2263ad7f2a8ca97bcc756a048329348d0836
SHA512 98f8bfc8f0c1da16c09eafc33821ceee98b156fe66eacc868ebd11770df90d2d14e8da1ce57f707b7ce120480770cd190c111afb0027932b203ff024aa1eae79

/data/data/com.oil.jycjt/files/umeng_it.cache

MD5 ca3529c796426f7040f1e0c99fb3e5b9
SHA1 4835b93b5915dbf6c670f2e9d66916ee4b350b2f
SHA256 d2ce4713ca4a13f6968463debda75b58695eb6ccce5b0803605b05f07f2ab2e7
SHA512 95dc5105a1a3ce7e6923f234d4d84d9608dbb1e32a47d82db3b21fa1ec35735903524fee07894a64e5932221a2b2748190ad14543b3d57236bf6b3165568aa8a

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 01:56

Reported

2024-06-14 01:56

Platform

android-33-x64-arm64-20240611.1-en

Max time network

7s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
BE 142.251.168.188:5228 tcp
GB 142.250.179.228:443 tcp
GB 216.58.204.74:443 tcp
N/A 224.0.0.251:5353 udp
GB 172.217.169.68:443 udp
GB 172.217.169.68:443 tcp
GB 216.58.204.74:443 udp
GB 142.250.180.10:443 udp

Files

N/A