Malware Analysis Report

2025-01-19 08:10

Sample ID 240606-d1et8sff2t
Target 99e0ea8e47d3fc415bf45e80536ca512_JaffaCakes118
SHA256 061ef09aa18aca1bfc6a1632c6f58df0a224024bf1b255ceed7578c7b221349d
Tags
discovery evasion impact persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

061ef09aa18aca1bfc6a1632c6f58df0a224024bf1b255ceed7578c7b221349d

Threat Level: Likely malicious

The file 99e0ea8e47d3fc415bf45e80536ca512_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Queries information about active data network

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

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

Analysis: static1

Detonation Overview

Reported

2024-06-06 03:28

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 03:28

Reported

2024-06-06 03:31

Platform

android-x86-arm-20240603-en

Max time kernel

17s

Max time network

138s

Command Line

com.huijiekuan.huijie

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.huijiekuan.huijie

/system/bin/sh -c getprop ro.board.platform

getprop ro.board.platform

/system/bin/sh -c type su

logcat -d -v threadtime

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

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 119.147.179.152:80 android.bugly.qq.com tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 216.58.212.202:443 tcp

Files

/data/data/com.huijiekuan.huijie/databases/bugly_db_legu-journal

MD5 8d064f1fd959ca3f06e84a0eb3ed1a09
SHA1 95612a7f1187ce705a37acc354787540f39a8b4b
SHA256 e9ef7861bc055b43c850b2cf74ffbbedeed8d7a76c831f0ae27f99fbf1362f79
SHA512 182b8250161cd2ca293146c90c986bfe95c967f7971e21c126e87e04a820fd61aeaafbc2dba49df6bfec5fa633a0ff4f9ab2e32c274682cba4f08f7c4ff24612

/data/data/com.huijiekuan.huijie/databases/bugly_db_legu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.huijiekuan.huijie/databases/bugly_db_legu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.huijiekuan.huijie/databases/bugly_db_legu-wal

MD5 c6518e2d51472c69d861259ce958bbca
SHA1 52224fc03044ad97bcd787b0eb858ad2c31b6c91
SHA256 9a78f077c9ac0e2a7c81edb07c9e2eb985444438de259644548cb574ac721532
SHA512 90d2bd8be48a255786cb2a811b6a39e1ec1a782932ea341f5a4e6140d681c50d5918262075b29d887ab14c4cd4191123b623afc3da5cbd0c64b2823a53a188e3