hook | e80466cb3c64bb1f3881850075cbede72100a839648a92cc3f54e0d7329293ab

Analysis

max time kernel
32s
max time network
187s
platform
android_x64
resource
android-x64-arm64-20240624-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
submitted
30-06-2024 22:04

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General

Target

e80466cb3c64bb1f3881850075cbede72100a839648a92cc3f54e0d7329293ab.apk
Size

1.1MB
MD5

ff9737b946e5e2fa2053ca78de519123
SHA1

f2a4c97c103b7ba062b23a640ea016dc3fe71095
SHA256

e80466cb3c64bb1f3881850075cbede72100a839648a92cc3f54e0d7329293ab
SHA512

ce3106ce21398c3511995f1aa48ed514ab5537e3fbc9983cfc54fd975091d20c7cb2d38116459119a7f2419988d5b876d4e7cdbaf56743f01be34127371f8328
SSDEEP

12288:zyI9TZhXWwJ5eXYW/+dOpwyz6x3r+TgdrhuzKe2/6Aaak6h4PgUPbvbHTu0Zop3D:zR9bnuGgKV9inPY6gUPzXojpItg/gpVC

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

Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs
Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.
collection credential_access impact

T1414

T1641.001

Processes:

com.tencent.mm

description ioc process

Framework service call android.content.IClipboard.addPrimaryClipChangedListener 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
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
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
Checks CPU information 2 TTPs 1 IoCs

T1633.001

T1426

Processes:

com.tencent.mm

description ioc process

File opened for read /proc/cpuinfo com.tencent.mm
Checks memory information 2 TTPs 1 IoCs

T1633.001

T1426

Processes:

com.tencent.mm

description ioc process

File opened for read /proc/meminfo com.tencent.mm

description	ioc	process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	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

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.job.IJobScheduler.schedule	com.tencent.mm

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

description	ioc	process
File opened for read	/proc/cpuinfo	com.tencent.mm

description	ioc	process
File opened for read	/proc/meminfo	com.tencent.mm

com.tencent.mm
1⤵
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4465

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb
Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-journal
Filesize
512B

MD5
ff6ff4c22ff396759af13eda2a5183d9

SHA1
86bdec5333da16dd55e7d178e4aac212212806b1

SHA256
0e3b80191fe9a33737f484389e4b18018862fc95d57e8673ea28f120713a60c9

SHA512
9c6d38c4a62cc17ebf538272d3d7f939eeece3414ae0ebaeb1bbb74de0d1a5604a52172e3fb6854a10a30d2a3ee09b3cb13d0a93d774309acf24eded180ba854

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-shm
Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-wal
Filesize
16KB

MD5
4ae7c8df7c65ae0193e6bf86d6ddde4e

SHA1
0536fbb385ee0de9267b272c5437c83aa5623906

SHA256
fd911371e12c2ebd2c09fd61bc52c4f0778886af4b7a018e7c4f364d43d4095e

SHA512
0d141e7ea6553d41934b5cb44d155d7333b70e36a8b1b415b59c29d1b7a44b825364cf39f31aca4524013b3d2757d835f16e9516d1ad42c3a0179a1fc98f499b

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-wal
Filesize
108KB

MD5
ac6c4207b6b81aea267b0d8f9e054425

SHA1
1dd14d82190672e09943263e5bbf0d0337f331a1

SHA256
55a5d99af4dc5706dad998e50faf4821488688a9fa8d9ca16f47304539a762a7

SHA512
844a84e99c922c0485930b24f731e28e2251cfee3d55959aa6d15e6a6c4747e34f943f5e77ba734848532983d7f19d0386d248ae14becb2c7c8c7d021a27ab53

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-wal
Filesize
173KB

MD5
32376afab7b422846d764f69db0a3faf

SHA1
79ff59585859c9f61a8728480e29049c50d1eeaa

SHA256
749b71d165b1cd71dfa06e4e75bff69403e0182c0eb577fcaf3ab50c31543ab3

SHA512
b7c99036101773243bb2153f51f26ad75e68da10e3c890e2a39fa99bf6ec3c3142b92663a5b3aa47861e1a232bd9ad67d4cad2a9af9e74a09cdbd43972c73b6a

Download Submit