hook | 4149e4a3434c44a87f55b5643d5bbbd55e093dc592a600be679aae9dd3706897

Analysis

max time kernel
178s
max time network
185s
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
02-07-2024 22:01

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General

Target

4149e4a3434c44a87f55b5643d5bbbd55e093dc592a600be679aae9dd3706897.apk
Size

3.5MB
MD5

d097ba2ec6c71d7f0118cb3bb11f89bd
SHA1

d3310070f7f5065f218851b5445c7034a382600b
SHA256

4149e4a3434c44a87f55b5643d5bbbd55e093dc592a600be679aae9dd3706897
SHA512

d0a54a35b36b736aa55ddd23d8a53b1a8bfab08b290c8accd527f7c4993439496d72d785b68767c15570ebb5e137485320098d548db14cc54bfd38ad298c39ca
SSDEEP

49152:r+LlX/wLODvIv6CxceAWbN1k55gQVxF5HaH8Ib/iVhT6+cfsiJTDMQGNgEJWzJSu:r+LlvQSqrN1yXF56cnl6+/ihDYPbS6c

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat stealth trojan

Malware Config

Extracted

Family

hook

http://192.168.10.24:3434

AES_key

Signatures

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook
Removes its main activity from the application launcher 1 TTPs 1 IoCs
stealth trojan evasion

Suppress Application Icon
T1628.001

Processes:

com.fogipexosisa.wesoku

pid process

4508 com.fogipexosisa.wesoku

pid	process
4508	com.fogipexosisa.wesoku

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

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

Processes:

com.fogipexosisa.wesoku

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.fogipexosisa.wesoku
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.fogipexosisa.wesoku
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.fogipexosisa.wesoku

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

Process Discovery
T1424

Processes:

com.fogipexosisa.wesoku

description ioc process

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

System Network Configuration Discovery
T1422
Acquires the wake lock 1 IoCs

Processes:

com.fogipexosisa.wesoku

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.fogipexosisa.wesoku
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

Foreground Persistence
T1541

Processes:

com.fogipexosisa.wesoku

description ioc process

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

Prevent Application Removal
T1629.001

Processes:

com.fogipexosisa.wesoku

ioc process

android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.fogipexosisa.wesoku
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

System Network Connections Discovery
T1421

Processes:

com.fogipexosisa.wesoku

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.fogipexosisa.wesoku
Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
evasion

User Evasion
T1628.002

Processes:

com.fogipexosisa.wesoku

description ioc process

Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.fogipexosisa.wesoku
Requests enabling of the accessibility settings. 1 IoCs

Processes:

com.fogipexosisa.wesoku

description ioc process

Intent action android.settings.ACCESSIBILITY_SETTINGS com.fogipexosisa.wesoku
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

Scheduled Task/Job
T1603

Processes:

com.fogipexosisa.wesoku

description ioc process

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

Data Encrypted for Impact
T1471

Processes:

com.fogipexosisa.wesoku

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.fogipexosisa.wesoku

description	ioc	process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.fogipexosisa.wesoku

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.fogipexosisa.wesoku

description	ioc	process
Framework service call	android.app.IActivityManager.setServiceForeground	com.fogipexosisa.wesoku

ioc	process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fogipexosisa.wesoku

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.fogipexosisa.wesoku

description	ioc	process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.fogipexosisa.wesoku

description	ioc	process
Intent action	android.settings.ACCESSIBILITY_SETTINGS	com.fogipexosisa.wesoku

description	ioc	process
Framework service call	android.app.job.IJobScheduler.schedule	com.fogipexosisa.wesoku

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.fogipexosisa.wesoku

com.fogipexosisa.wesoku
1⤵
- Removes its main activity from the application launcher
- 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
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests enabling of the accessibility settings.
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4508

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Foreground Persistence

T1541

Hide Artifacts

T1628

Suppress Application Icon

T1628.001

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

Replay Monitor

Loading Replay Monitor...

Downloads

/data/user/0/com.fogipexosisa.wesoku/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.fogipexosisa.wesoku/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
925175e78dabecf1c90e515ba4267f09

SHA1
7832e19cc5616181399965caaca88008a88f7f80

SHA256
71907e6e6d716e1bc234162a1c1e1a84278c4a50352a42516d777672f3e9e41b

SHA512
e461789034d8646450802f02417a24481153c161d80814b861ec54208b6e08bb424c247d64dd1db6364af7b27df0c39ed347b9cf49e90f5e88085787a19ddcfd

Download Submit
/data/user/0/com.fogipexosisa.wesoku/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.fogipexosisa.wesoku/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
ed14f437effae1daf1c7eaf7e6246179

SHA1
fe171fdb5c5c240d0b97d565572cac5f3de36dc6

SHA256
5dac8df5a88b0bf9c086bf0cf21b60a617bc1fe6040f473c2256522e47708fbd

SHA512
9ba1961a2d131535518d67ebb11a2eeba0a717d2ace349ef52cd5f7119adc985bc9460315edaf0d497fa1a50a2a820316c0a839c851498231ac39dfc59456e6e

Download Submit
/data/user/0/com.fogipexosisa.wesoku/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
50a7d3ec39c61d1b7f373cf0a15e8da8

SHA1
c79f2b67d1b94d5fee0d69f3be10c428c8e0ae2a

SHA256
5494a82ed3ba94bd5d185ddfa74f093407ef3ca37a6dd7864cdc64ba9ca9298a

SHA512
1c527e9b922a73ab6967d98e2a1f17dc25ec2c2090ed3844b3b5893c4d364b1ebd94c39863e6528ef4f1249437981308a3e4488649d34fa7af6d056fbebd1690

Download Submit
/data/user/0/com.fogipexosisa.wesoku/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
0460c244ea2d1e5a8267090e186538b2

SHA1
0f8ef7cc8bb1decbfd6fc2e87adc620ffc8d0e5e

SHA256
7e0ac012b3d24bfad6484f030ecc2fa386582b8ba456a99ebf5c0b90c1187df1

SHA512
6d46b957ba86be37c250c8b161c8c24ac839addccca867fbdf451e4a5e143cef92c0234eb2bf210deea0d873669412ace701b8fac12894275566b122b4f4e250

Download Submit