hook | a307e975e08ecea3f5ae03228a287e051208b1fb97470fc57d24981567becc74

Analysis

max time kernel
170s
max time network
189s
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
11-08-2024 22:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a307e975e08ecea3f5ae03228a287e051208b1fb97470fc57d24981567becc74.apk
Size

4.2MB
MD5

fd42d4308cf151e2c0db5cec62eaf3a9
SHA1

5ea25df3cd89004950d57bf3be0fd152650d2090
SHA256

a307e975e08ecea3f5ae03228a287e051208b1fb97470fc57d24981567becc74
SHA512

f3916b3aca7bda2f701fd21d76665ab66f2d6e8b5337e387ec969dde52d5d4e38d726d56222aa2f1aab6c403285558f625f0886a5a5bbbf18ffb4a078944e181
SSDEEP

98304:Zv0vruQH77VbKRgczB+U3vsI8nJermp+A0O0HSh9L0TR:Zv0vvb7cRfIpf0O0q9LkR

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

http://193.3.19.40

DES_key

AES_key

Signatures

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

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

Processes:

com.oneiydald.ljvhyukgi

ioc	pid	process
/data/user/0/com.oneiydald.ljvhyukgi/app_dex/classes.dex	4491	com.oneiydald.ljvhyukgi
/data/user/0/com.oneiydald.ljvhyukgi/app_dex/classes.dex	4491	com.oneiydald.ljvhyukgi

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.oneiydald.ljvhyukgi

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.oneiydald.ljvhyukgi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.oneiydald.ljvhyukgi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.oneiydald.ljvhyukgi

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

Clipboard Data
T1414

Transmitted Data Manipulation
T1641.001

Processes:

com.oneiydald.ljvhyukgi

description ioc process

Framework service call android.content.IClipboard.addPrimaryClipChangedListener com.oneiydald.ljvhyukgi
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.oneiydald.ljvhyukgi

description ioc process

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

System Network Configuration Discovery
T1422
Acquires the wake lock 1 IoCs

Processes:

com.oneiydald.ljvhyukgi

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.oneiydald.ljvhyukgi
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.oneiydald.ljvhyukgi

description ioc process

Framework service call android.app.IActivityManager.setServiceForeground com.oneiydald.ljvhyukgi

description	ioc	process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.oneiydald.ljvhyukgi

description	ioc	process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.oneiydald.ljvhyukgi

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.oneiydald.ljvhyukgi

description	ioc	process
Framework service call	android.app.IActivityManager.setServiceForeground	com.oneiydald.ljvhyukgi

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

Processes:

com.oneiydald.ljvhyukgi

ioc	process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.oneiydald.ljvhyukgi
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.oneiydald.ljvhyukgi
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.oneiydald.ljvhyukgi
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.oneiydald.ljvhyukgi
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.oneiydald.ljvhyukgi

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.oneiydald.ljvhyukgi

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.oneiydald.ljvhyukgi
Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422
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.oneiydald.ljvhyukgi

description ioc process

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

Data Encrypted for Impact
T1471

Processes:

com.oneiydald.ljvhyukgi

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.oneiydald.ljvhyukgi
Checks CPU information 2 TTPs 1 IoCs

System Checks
T1633.001

System Information Discovery
T1426

Processes:

com.oneiydald.ljvhyukgi

description ioc process

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

System Checks
T1633.001

System Information Discovery
T1426

Processes:

com.oneiydald.ljvhyukgi

description ioc process

File opened for read /proc/meminfo com.oneiydald.ljvhyukgi

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.oneiydald.ljvhyukgi

description	ioc	process
Framework service call	android.app.job.IJobScheduler.schedule	com.oneiydald.ljvhyukgi

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.oneiydald.ljvhyukgi

description	ioc	process
File opened for read	/proc/cpuinfo	com.oneiydald.ljvhyukgi

description	ioc	process
File opened for read	/proc/meminfo	com.oneiydald.ljvhyukgi

com.oneiydald.ljvhyukgi
1⤵
- Loads dropped Dex/Jar
- 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
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4491

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

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Input Injection

T1516

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.oneiydald.ljvhyukgi/app_dex/classes.dex

Filesize
2.9MB

MD5
8b86f1c6b7733d2ebdf6baf3835e7cfb

SHA1
1abdd3c1b5b897f0acf4416dc06d9ff45a264c5b

SHA256
26dddf251427e91250c94ab73c321a4684615d3bbeaf4591fdc503f69dc1a50a

SHA512
cff99c84b1ac49cb5bdc868960bc9194cfac48cc09c163c24ca70c31cd2e80cdf298ad2cc5f0f5bb1cfd647c28a6b988f62175080cf1f03acf970c041e7a7338

Download Submit
/data/data/com.oneiydald.ljvhyukgi/cache/classes.dex

Filesize
1.0MB

MD5
9bd19e677abd41357566f3a94f2b7d9a

SHA1
e469978a46d08db98182d217eea7220cda0c8fcb

SHA256
1ba5b9b51eae9fe9df296f46c5d9ae3a831ebb7515662bbba12d1d802e2a9998

SHA512
b7ac498abbcb0e6856453dd6baf4e8270bbc2270df4c619d3d14f43c2bc433471a6f1838623f50e44321ec4d0e4662daf42e3feb29302fd629dc7094e51e9c2e

Download Submit
/data/data/com.oneiydald.ljvhyukgi/cache/classes.zip

Filesize
1.0MB

MD5
8d2ce108ff303c1ac8d9afda53076d59

SHA1
152e12b78704e53435e727dd1e520c13c8e1f71d

SHA256
331538a52011885c4f3c3284acc768213458f701de49a6bc8525a12f5ac6a6a6

SHA512
fd8e3deb468158be5ebd1bd5b9202de9ce1edcddba57f160e00fb948ffde9e8115ec49372cf80fb9bae84edc7e484db4c0822205ad015383e3ae7671a6a58af6

Download Submit
/data/data/com.oneiydald.ljvhyukgi/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/data/com.oneiydald.ljvhyukgi/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
c74aaa90fdc013a3ecf989d5eb90d9cf

SHA1
1df3c4c43ebdff49ce469abc77ef0e1661329875

SHA256
5930cc6e74deb7f3c91afd7f3198e471d7777aee97505834359c9eea85b4d7e1

SHA512
c76edb454955f55d18f83d452c985e99aae60cb326f3ae778b1a2fa569846f065989bb5075c02f97e72f1ff3193119825de5bac50a0be45af402f5e6783e9cd1

Download Submit
/data/data/com.oneiydald.ljvhyukgi/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.oneiydald.ljvhyukgi/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
874a58549cdc2865fd167abcc1d357e3

SHA1
310009af4b79f0b9f8031b7738afca343e1d2adf

SHA256
12426ab9c3aecbb2b3f8a9749fa56a3578efbbba3660e9438dcc6c11d8fb8ea4

SHA512
373655f16fc6927a618c183de55cd6a98ca860136623fb8cc8c907491e7a24add3bdf4e702487680fc9f96286615d3017ab509e42c9364455ebab012061c5956

Download Submit
/data/data/com.oneiydald.ljvhyukgi/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
18638a66806182b74be4bc325a6b8f6c

SHA1
6eedcdb3defb20bce420aedc637d3751f27ac9c7

SHA256
b421a4e04fc7b1ad2bb8e53637726af5f628372b430c831b7ddf174ed3f1c7b9

SHA512
42b626c17bca51b797646657ccc9844ea2d271f355a148b2f4c2faacdb366d9faa8d39a822316487c0b4b7eb1008ff82251ca0074d216f81998384f07007199c

Download Submit
/data/data/com.oneiydald.ljvhyukgi/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
fc3c98ff6242b63a2880c6b658b14da0

SHA1
3bab1c34067e04176e76bbcc2a951fb4f7b1a49f

SHA256
6fe94a33b262f41fba6b3efab22b1bae91cd3cf7af4082ae7d56516dd3a9d634

SHA512
9d55d9ce20310526da3ce58743aacd6fb1ca9fbebd130b684ffaed49b140ee0524d8b3190ebd167797484fa53e2eef9be626089225cb0358b0620a4fc044f38b

Download Submit