hook | f4aa091e7ad26030573b337504f629bb23a183ad9e229d1c0d49f3452db6e9af

Analysis

max time kernel
147s
max time network
157s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
10-09-2024 22:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f4aa091e7ad26030573b337504f629bb23a183ad9e229d1c0d49f3452db6e9af.apk
Size

4.3MB
MD5

e4db988325d5cd27732c83de97dc3ca0
SHA1

748580afb97646a453f81c4c05ffdb8111b9fb0a
SHA256

f4aa091e7ad26030573b337504f629bb23a183ad9e229d1c0d49f3452db6e9af
SHA512

6031e1857c2b4c0b8df05d229f89bd1ac67dc7989880cef23ed2ae944d2de4f2802f5f06cc55a0cdf2e862bc5fbeaadd9e3074378a04b0ca372885f2e8da6f8b
SSDEEP

98304:4Ia66C3aiYw7VGLJUXbtfF4gdAyEIvki6bTHz33CcbRjM393Om/l:4Ia66C3aiYw7QLgFVfq1zHzbNM4mt

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

http://vbh1hfye1gf.live

http://nb2hgj2ui.pro

http://ssd3ffg3rrt.xyz

http://xsd4rfv4tre.xyz

http://xcv5vcx5rty.live

http://vfgt6re6tghj.xyz

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

ioc	pid	Process
/data/user/0/com.brtqygziv.kfnjmzbqo/app_dex/classes.dex	4949	com.brtqygziv.kfnjmzbqo
/data/user/0/com.brtqygziv.kfnjmzbqo/app_dex/classes.dex	4949	com.brtqygziv.kfnjmzbqo

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

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.brtqygziv.kfnjmzbqo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.brtqygziv.kfnjmzbqo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.brtqygziv.kfnjmzbqo

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

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.brtqygziv.kfnjmzbqo

Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.brtqygziv.kfnjmzbqo

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

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.brtqygziv.kfnjmzbqo

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

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.brtqygziv.kfnjmzbqo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.brtqygziv.kfnjmzbqo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.brtqygziv.kfnjmzbqo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.brtqygziv.kfnjmzbqo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.brtqygziv.kfnjmzbqo

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

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.brtqygziv.kfnjmzbqo

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.brtqygziv.kfnjmzbqo

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.brtqygziv.kfnjmzbqo

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

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.brtqygziv.kfnjmzbqo

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.brtqygziv.kfnjmzbqo

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.brtqygziv.kfnjmzbqo

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.brtqygziv.kfnjmzbqo

com.brtqygziv.kfnjmzbqo
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- 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)
- Checks CPU information
- Checks memory information
PID:4949

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

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

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.brtqygziv.kfnjmzbqo/app_dex/classes.dex

Filesize
2.1MB

MD5
25b17e4c71e728311192c092d1e52738

SHA1
709d42f2bec91b6ddbc2867345e17b023bef04d1

SHA256
e61d8d01d204bf3fa62abbc5dbe6354fa4a29f9957a465c3ec7a2ff454cc6c80

SHA512
3bdd193fa13901853b59bedc654c61d933121d5e4d5430b52cbfe347ebbc5cc0f79103bb1574c78ecf1ca6bb95720e3f8318ac8279b7f4c4f0ff19a1d81eae66

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/cache/classes.dex

Filesize
999KB

MD5
aa0d40ae41515ebf050afc1288656a9c

SHA1
568a8f2c0483ec701874de9f520669b4a3f34807

SHA256
9a1183abfc451cc6cd5c668b5264a3eb04685fd859ac2817d11b58983dbb2af3

SHA512
8c9262a849113862459a0c57ec85204de328a176d320f97663eadd5896b652473261c009e6f07a1c270a093cace18f47a13bee5bd11551c781c404e41f2cfc31

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/cache/classes.zip

Filesize
999KB

MD5
2286fb4f7d4438b61b354733927b0f45

SHA1
ada391fcbc88bb5ebd58258504f6fcf92bc5b4a4

SHA256
d2f1ef6d1dee9c7729199ec4dfd4eb82600e2bfaa68a58705001bca6540f059c

SHA512
ee4b4619b34bcd33fc8c61aa66f5c7cb1f1f4ac02f4a831b3c286c0ebe75ccdc5552aac7aae9d5db613d3528801fb90c45b3490924b7ed8a140795aba0ffa3cb

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
5e1848b7673515ff5b675a87abd7c4dc

SHA1
824e9a5b9caf22118207bd0e7fc4c44f45223e2c

SHA256
6e473b8d78ccc47a6569c962c8ee590352f22f3feaf77f0590e9a6d4196e11c0

SHA512
38d0a85b616fa68d3c70d6280f11e20727a61d4e6075d651a17557b70cc727fb10b9be7bd1f75a512f8eddbf03053748fe69de2cf60fb40efae73a1b128bd235

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
673f2de6f51297729d8f7ce1232fc9be

SHA1
92135e26e78828bf46480e63375832c341fbe545

SHA256
1f68a43a11d23af2a39d5af5ce2dce65dc5c2439cc5c5d555cebd06a7a6fe520

SHA512
f05062cea9871ced15dd233403c4536a86c9c6b2093364e9cf3557de00c77becfb841900ee7b86ef2d3992d64fc75d2974e3f157805571de477436ab84c08774

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
6fd8ca2bf101bfe00b67a7de7c2201d6

SHA1
b28103e90a66276c6807b9eefa5e72f2e79b4d45

SHA256
8f23354c85a185e889e37852399cae40155f9f16b9f7c379ec18eda5be70ceae

SHA512
a66bfcc1934b111e9c2fbc2a438efee929ccb3aefc38cee529ab6b9df76f88fbef1a0f0c60b2479d3fe5456eb5e5dc0212fbc83946ceea1850d477c18125648c

Download Submit
/data/data/com.brtqygziv.kfnjmzbqo/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
c2c533f21fd5223f5ee569b80752af31

SHA1
1727a8061a820e10f73ceec06b008a0dd23a7ae8

SHA256
55dd26c7b247ac4800bff39a112649365dffc37c7058ea3ff3cbf19a5828f375

SHA512
0fcbeb6c931fcf99e716591d2795c32861f8876adf8505975cc070ce977524a063a984e9c36fbe28078a133acc31ab4b96e91d63320defde4fd8dc8e3ec1678a

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads