Malware Analysis Report

2024-09-09 17:47

Sample ID 240613-mmvszavepf
Target a51a8e0628b04f7d7ba07586aa9566db_JaffaCakes118
SHA256 cb6be086fa5346c5d6ba3c252c5dd25bd46598ac712d7a85f67fc38d1b58a828
Tags
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

cb6be086fa5346c5d6ba3c252c5dd25bd46598ac712d7a85f67fc38d1b58a828

Threat Level: Likely malicious

The file a51a8e0628b04f7d7ba07586aa9566db_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Requests dangerous framework permissions

Queries information about active data network

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)

Checks memory information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 10:35

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 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 an application to read or write the system settings. android.permission.WRITE_SETTINGS 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 10:35

Reported

2024-06-13 10:38

Platform

android-x86-arm-20240611.1-en

Max time kernel

13s

Max time network

131s

Command Line

com.rhinocerosstory

Signatures

Checks if the Android device is rooted.

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

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 memory information

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

Processes

com.rhinocerosstory

logcat -d -v threadtime

/system/bin/sh -c getprop ro.miui.ui.version.name

getprop ro.miui.ui.version.name

/system/bin/sh -c getprop ro.build.version.emui

getprop ro.build.version.emui

/system/bin/sh -c getprop ro.lenovo.series

getprop ro.lenovo.series

/system/bin/sh -c getprop ro.build.nubia.rom.name

getprop ro.build.nubia.rom.name

/system/bin/sh -c getprop ro.meizu.product.model

getprop ro.meizu.product.model

/system/bin/sh -c getprop ro.build.version.opporom

getprop ro.build.version.opporom

/system/bin/sh -c getprop ro.vivo.os.build.display.id

getprop ro.vivo.os.build.display.id

/system/bin/sh -c getprop ro.aa.romver

getprop ro.aa.romver

/system/bin/sh -c getprop ro.lewa.version

getprop ro.lewa.version

/system/bin/sh -c getprop ro.gn.gnromvernumber

getprop ro.gn.gnromvernumber

/system/bin/sh -c getprop ro.build.tyd.kbstyle_version

getprop ro.build.tyd.kbstyle_version

/system/bin/sh -c getprop ro.build.fingerprint

getprop ro.build.fingerprint

/system/bin/sh -c getprop ro.build.rom.id

getprop ro.build.rom.id

/system/bin/sh -c type su

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 rqd.uu.qq.com udp
HK 43.135.106.212:80 rqd.uu.qq.com tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 172.217.169.74:443 tcp
GB 172.217.169.74:443 tcp

Files

/data/data/com.rhinocerosstory/databases/bugly_db_lejiagu-journal

MD5 d0174a6f385fda5958aa64d2160125cc
SHA1 1cde018642a5db2e6d2102eaeb10f01eeea09059
SHA256 089e573eb214c81560c0aa2590dc8faba41bea055e3692e5ad47ef171fbccb62
SHA512 6425937dd246ca5acafeb1906f70dabb971e40ff1871b8cc9646fb4c66900c8b9e003247af38e8d6b7095db43261775e0187377b36bf82221a29a9df422c67a9

/data/data/com.rhinocerosstory/databases/bugly_db_lejiagu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.rhinocerosstory/databases/bugly_db_lejiagu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.rhinocerosstory/databases/bugly_db_lejiagu-wal

MD5 88d4230e62b90cfb3e8a43f668fa1a72
SHA1 7c62243f9a342146bd5da64906daee5082fe50b3
SHA256 0a37c86c7ed104bc1e5380bb5d3e66f6e39adc96752e0aa72bb70147418d4aff
SHA512 e6a04a109e7baa845998bdcd37f19f6d029673582679c9aaee6dbc35212693bc06214e146c1ca868456436547ae03c05f63bc679527009d26525987ad74b6f22

/data/data/com.rhinocerosstory/app_bugly/tomb_1718274934881.txt

MD5 1c79db00a8c6b3fa7c9981cc9eea7246
SHA1 c853a704f3c085bf9ce64bcd6f8951137f74a71f
SHA256 ccd0b3189201c3d9601b2f25bc8bdfb9c866964c685a87e902cba927faf12d1f
SHA512 469d0db3163730330c08c1c1896ee2b60bb6a81154916a0513aa64a6fa884296842a10ff868b0fcf115c84f969c160dd6df673fc491bcfd1e83e426d19dece2b

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 10:35

Reported

2024-06-13 10:38

Platform

android-33-x64-arm64-20240611.1-en

Max time kernel

8s

Max time network

178s

Command Line

com.rhinocerosstory

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 active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo 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 memory information

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

Processes

com.rhinocerosstory

Network

Country Destination Domain Proto
GB 172.217.16.228:443 udp
GB 216.58.212.196:443 tcp
N/A 224.0.0.251:5353 udp
GB 172.217.16.228:443 udp
GB 142.250.187.202:443 udp
US 1.1.1.1:53 rqd.uu.qq.com udp
HK 43.135.106.42:80 rqd.uu.qq.com tcp
GB 172.217.16.228:443 udp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
GB 142.250.200.35:443 tcp
US 162.159.61.3:443 udp
GB 142.250.200.35:443 udp
GB 142.250.179.228:443 tcp

Files

/data/user/0/com.rhinocerosstory/databases/bugly_db_lejiagu-journal

MD5 e460609aaa2152c26926e1fa47cc76ff
SHA1 0961eb22e0de763e0a8e546237f53ad3deced545
SHA256 b19614cd65c0ee99b78f44c87febdad055e910880cd38fdd64ca29c7c5791022
SHA512 14b57c7375fa1f56d1ccd36b77aab4da0a23f9958c4863e779f55da31809bda61e56c031197e199068541f993312a7fcdfe0ae36c2d15d6e66057a99e613b35e

/data/user/0/com.rhinocerosstory/databases/bugly_db_lejiagu

MD5 88d43f0d46cc497e095bafaf01c25881
SHA1 9810a58976c8c01f095e02c9211b14cf7648fe7e
SHA256 03c72b24f9d94aef08b937337554904b159d8aea98d300b5bd12304d67c5d061
SHA512 4b8395ef4b60810af5f58208fb1c3d4526bb208413eeceb4b03841875da9a9b2e326cddcef677b759f5168417e7e749d0ba464082174d69bfe94c1471d2f3388

/data/user/0/com.rhinocerosstory/databases/bugly_db_lejiagu-journal

MD5 8bce06b4feab4442d64fd858c77ac63b
SHA1 87276bbd3c614dbfd602096af70dbf9b0dd4baa0
SHA256 b5741e42b3fec789974d3541803b9ef61eb12a90672f4c3314be3a64f66fc8fb
SHA512 2dc2002dce3375fcf5a64b774be5b23b32ffeadd3aa579d37c8f021e55060e9d541b8f11f41f4e85e09cdc3f2c4a25b972cc2966199acb7284d4b780d49cbf85

/data/user/0/com.rhinocerosstory/databases/bugly_db_lejiagu-journal

MD5 0d942a5de1abbf4008bc9bfa70837e88
SHA1 8d363ea01cbb22274fb920c6134e225b01cc68c5
SHA256 f81bbcd63d2862a555d96382efacd3309cfa9ad9bcf7b313268c24ce556b5db2
SHA512 bec8305487a57c954d28a21cdaea418b89ebdd6cca23bca067ebc40a8768120057f6ab06f999b470643414cecc31c0456a706a23b923e0bdfa7d53d4eec95aee

/data/user/0/com.rhinocerosstory/databases/bugly_db_lejiagu-journal

MD5 496320a1461753d26011787840993363
SHA1 4eba7d355dead3fddbcc78a77e8cc1d7ef13b1cc
SHA256 bdc7870695c6fe800ca3a6416690fb1670a781375446ceb8aef9a8f71e659830
SHA512 b9b1deff4be2bb8c297defc07f8589df1dad82d2589c9863f4b3aaee56a955817dd856984513b56a9c4ed6d8e45c1473a10b72b1cf99692e934c4732c6428b44

/data/user/0/com.rhinocerosstory/app_bugly/tomb_1718274939702.txt

MD5 bd0f8f8f3ad93fa07623422ec6e72003
SHA1 c3589295e7a4ddcf35bcd7a2c13bfd381783821a
SHA256 7fe875398dea7537a57a77c5275cbc8647aaf63ab6fd9148443b65df2e1d0647
SHA512 2ec3e073321262b667afbf98fe4e9f51e4c0c58baaad506b120239031f10699d699b94470bef13007bd6199df3d3b03f1eaf147c0cba5178aee7e267072b1c0b

/data/user/0/com.rhinocerosstory/app_bugly/rqd_record.eup

MD5 9497ebb9c09c32bc8e382a94501e4cef
SHA1 a053a034d2ff1c11990fa615c995119f4e23b879
SHA256 e9bac4ec0bbb0e280470e2462b495437a09b046e7a579083b34c522f4a53cffe
SHA512 3fe840916eff4a37a108445b3af83d2753dd4bce192fc9ff7cc4e1747f21f126587d7abee43f1007e869ad57504c638be82494ea3414dca1f7da7e46ff88f490

/data/user/0/com.rhinocerosstory/app_bugly/rqd_record.eup

MD5 7d1d8ebd3d47936e9d3ec27f95843dbd
SHA1 81162e370d619b7add57cda9e359a1e1aebf7530
SHA256 808369a453fc6a8b8e14e0b4d9167f38d5bb197d6f19c3d9bc8839a83062eccb
SHA512 c4202f43e1b24f81d85284a507209e8d82bc191b3bb8971786529a9fcae4ae5723cd3e229d41ce20128a5923bd2ee91f2d4822d96ccfc5ed7cdb19a337c68391

/data/user/0/com.rhinocerosstory/app_bugly/rqd_record.eup

MD5 5b63e3071124c95a2e3c219afe5e0429
SHA1 765dbf7c4ddaf239aec91fee825a10de77a7c903
SHA256 198573abbca62b2e8e910fd7a64e9ebe703102eb02a0ab9377f963810fbddf6f
SHA512 fdcfb80a2ec3ad57f491ef6877b1a186702f560e5afc4d174e32193d30b8f2b95871160a15fdd1cd71e7555ebb88bd4481baef28781aabd36bd678bd91285570