hook | 21d7ddfb5df55459b6fd4da0977a52987f5ba0bef8474b9fc72e584048515bf3

Analysis

max time kernel
179s
max time network
136s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
25-06-2024 22:03

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General

Target

21d7ddfb5df55459b6fd4da0977a52987f5ba0bef8474b9fc72e584048515bf3.apk
Size

1.1MB
MD5

520932af2256ef232b75738d1dd7ef8d
SHA1

0891cf2c14c478683eff2122c8d6e543b03605b5
SHA256

21d7ddfb5df55459b6fd4da0977a52987f5ba0bef8474b9fc72e584048515bf3
SHA512

eccd0527c67ddb8ac77115d9f22460f7cfe500e0ddcb085e3948e0aa271d355745377792a398c4bb0a2d371f89d9611b411ac76ed55fe82c9b8013b3ce5b99e0
SSDEEP

24576:/XvUdwU+WNHfj+k5SZnHz5j80/1j506ZZwM9ojyyO6Seg/RnUT:/XcD+WpfyPHzJ8019FZSM9XyODeg/CT

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

AES_key

Signatures

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook

Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Processes:

com.tencent.mm

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.tencent.mm
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.tencent.mm
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.tencent.mm

Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
discovery

T1424

Processes:

com.tencent.mm

description ioc process

Framework service call android.app.IActivityManager.getRunningAppProcesses com.tencent.mm
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

T1422
Acquires the wake lock 1 IoCs

Processes:

com.tencent.mm

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.tencent.mm
Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
evasion persistence

T1541

Processes:

com.tencent.mm

description ioc process

Framework service call android.app.IActivityManager.setServiceForeground com.tencent.mm
Performs UI accessibility actions on behalf of the user 1 TTPs 1 IoCs
Application may abuse the accessibility service to prevent their removal.
evasion

T1629.001

Processes:

com.tencent.mm

ioc process

android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.tencent.mm
Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
discovery

T1421

Processes:

com.tencent.mm

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.tencent.mm
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
discovery

T1422

Processes:

com.tencent.mm

description ioc process

Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.tencent.mm
Reads information about phone network operator. 1 TTPs
discovery

T1422
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
persistence

T1624.001

Processes:

com.tencent.mm

description ioc process

Framework service call android.app.IActivityManager.registerReceiver com.tencent.mm
Schedules tasks to execute at a specified time 1 TTPs 1 IoCs
Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.
execution persistence

T1603

Processes:

com.tencent.mm

description ioc process

Framework service call android.app.job.IJobScheduler.schedule com.tencent.mm
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
impact

T1471

Processes:

com.tencent.mm

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.tencent.mm

description	ioc	process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.tencent.mm

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.tencent.mm

description	ioc	process
Framework service call	android.app.IActivityManager.setServiceForeground	com.tencent.mm

ioc	process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.tencent.mm

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.tencent.mm

description	ioc	process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.tencent.mm

description	ioc	process
Framework service call	android.app.IActivityManager.registerReceiver	com.tencent.mm

description	ioc	process
Framework service call	android.app.job.IJobScheduler.schedule	com.tencent.mm

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.tencent.mm

com.tencent.mm
1⤵
- Makes use of the framework's Accessibility service
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4934

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.tencent.mm/no_backup/androidx.work.workdb
Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal
Filesize
512B

MD5
f601ae18384cdc91d148bef866db90a2

SHA1
7f051a5b458c655c44c63ca01d0bfd341c6d3c9b

SHA256
717d78c90fa4ddb7f554ced3204bc835bc048be6957a5fdd1823269fdc6d883f

SHA512
2116eeb96f5b817ee2b9bdbaa9283c9b20aec2380a3b8291be49ca6b82476e831e80b99730565365658c88473c7cef068589b7ecf6952ca394436370515818ae

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-shm
Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
Filesize
16KB

MD5
66b4dd3ed398d7c5a5eef52f2ca7a168

SHA1
d32e6681f8de99c19176e8d9189f934bd4e2cc1b

SHA256
4b606fa3d2a004c80f81a2366f5b0cf2209a480c138b210ebaa84e9195cfb3d3

SHA512
0fb2f0114f8058adb880afbb11c0ac46c7278212c091d32d892dfac93d70e4fbe2e19e083877ac8f7ca662eba16c525ad4f1fc034dfbb543a8462f06be70e334

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
Filesize
108KB

MD5
41e5804d6ab4b682c270f910716c437d

SHA1
fd05b0cce30b6d2e6802174511500cd933d7cf4d

SHA256
a19e8f8d008f17ab6ccd70e4aaa229e939d37e0df890182739a97d6c18ed0114

SHA512
eea1f6e9a3297517bf34d900c5a4c86c9d9289700a3e81aedd90faf400a06c697a07b91c66d14c2f8265bb231bfcd365c3e334096dc75e5ea2b7975a7d45553d

Download Submit
/data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
Filesize
173KB

MD5
968bd7341816acc7e5809f0b1bf2b428

SHA1
1904d1ab76893c4c2677a62ce15a580ae39eab66

SHA256
9cf5c4734f09d4b3068aad0c832b4d5d4ad9f84981e7617f076578ad6e2d8e67

SHA512
50a5681d35ee61d24c4a27ebd69da4afbf0f2aa6ae5e6c9750dd98143cb4b428fbba5f560760c48f2f5898bdba4cd14b6b9c09cc66347e5e4e7029e3d2fb48b2

Download Submit