hook | 26db08ef808409eb973a698d26ac83d99f46c8aa7fa35c96bf8140fd94cb2ca1

Analysis

max time kernel
148s
max time network
135s
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
10-01-2025 02:13

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General

Target

26db08ef808409eb973a698d26ac83d99f46c8aa7fa35c96bf8140fd94cb2ca1.apk
Size

4.5MB
MD5

49a7fb554e1a92d6d1b071664346ace7
SHA1

09fe4fd712ad83941e7cf6afc2468c30de59cf4e
SHA256

26db08ef808409eb973a698d26ac83d99f46c8aa7fa35c96bf8140fd94cb2ca1
SHA512

35a610afad18e758b548fe107ae4b306aef08aa2f9c06d5c3501365b85c8880ceb7be0cec9d13d5bbffd28957c67c2ffa1e00ae883f7ff67a3ccedfaee456b72
SSDEEP

98304:rUT1biIJ4atOtQ7YBMEGFQXKZ02/a1t6nGGwGrpji8qTueB:QT1p1wB0QXKv/a3i9rNWTuw

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

http://lankfnajasdfzcvvxzxcrrtfas.pro; http://lankfnajasdfasdfcxcescgt.pro; http://lankfnajasdfdsfngaaslsss.pro; http://lankfnajasdfanbabwqeda.pro; http://lankfnajasdfasnbadsfaaa.pro

http://lankfnajasdfzcvvxzxcrrtfas.pro

http://lankfnajasdfasdfcxcescgt.pro

http://lankfnajasdfdsfngaaslsss.pro

http://lankfnajasdfanbabwqeda.pro

http://lankfnajasdfasnbadsfaaa.pro

DES_key

AES_key

Signatures

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook
Hook family
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.mkjvmvrwu.uwknrkfyg/app_dex/classes.dex	4631	com.mkjvmvrwu.uwknrkfyg
/data/user/0/com.mkjvmvrwu.uwknrkfyg/app_dex/classes.dex	4631	com.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.mkjvmvrwu.uwknrkfyg
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg

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

description	ioc	Process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.mkjvmvrwu.uwknrkfyg
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.mkjvmvrwu.uwknrkfyg
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.mkjvmvrwu.uwknrkfyg
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg

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

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg

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.mkjvmvrwu.uwknrkfyg

com.mkjvmvrwu.uwknrkfyg
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:4631

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

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Downloads

/data/user/0/com.mkjvmvrwu.uwknrkfyg/app_dex/classes.dex

Filesize
2.1MB

MD5
6a9f10ce16936f5a788caecc4acc528a

SHA1
9a3843da361fde32d1f75e3499f9ba53c2dc527d

SHA256
a9641733758c72633c3cad270795b2a14ba15eeeb1a24c4c6854d98eff20ba99

SHA512
850dc528e2ed0f77d02ca6987f3e3f266c9942d90d6681db220b58d7f00836d39eefaf24277dbde394daa18c3db4d003b5ab84f63531415dcd402d33ae97106f

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/cache/classes.dex

Filesize
984KB

MD5
09c1f9b2a250de233cb0aaeb1243a1c6

SHA1
08a4cba0bad96b0666959bbb26f0d3efe43cb4bb

SHA256
7e59131c913b569f58202babb0f33eba0838f3a1c4745c3d219dbf5c49399391

SHA512
0a1d1e717c98ce44163b3eab601b1572c9efea35de4dbba92ee961331b10985c8a7ab9169dcfbdb75283c39271ff46779cb2870fa80ded1ffb7671293554a9da

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/cache/classes.zip

Filesize
985KB

MD5
6b94e809192aedd113b81f9c95ee6305

SHA1
3f9aed7ab69f0da2a1bb00cd13cd8a4285694add

SHA256
1a274231171f58e109492c2652fda9d9e1662cbdd64fd6f8bff0395c1240edac

SHA512
d46c4ad17f7e55294d0edd340396fb5c17f9ff0d2230ce198b161e56706572fd4a6930b59efe091d600a3d6eced37cd68528a2a2c00255ccd278367a814a88b5

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
e11c3fa608238a5a1f9322ff8c61b468

SHA1
a695d51844e9ccd270dad5a590358ad8803c43a1

SHA256
b10a2745c3864a420c4ca24c901f4c52d27992eaeb59ace52070c77c4f0c1cb3

SHA512
8d42da1fe1b902a12d730d5274e8d8d7aa2752f4cb913fad1f4e7ca461f7b63f71b9d712f68d2168437f0aa7b01a63224ffd972288c73ce59fa4549405ce3014

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
520b58dfe75efc771f16e1d591e93ef4

SHA1
3cde375bde0ae52c628a19bc883e1f1d051482cd

SHA256
39e1fee3404f37132800e8eee73b47f789ba634e9e1dc66af2b53fc89ef5db6b

SHA512
a1372a72fa7d8a47b1a715225a1eb481ea1f5eead172344198d903f0a5ed1ddfa3c651cc85253bbc3644f12c1afee9c167f8c3b8050abe6630535d93e081ada1

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
a7fe667b5ae7995668bd3fee72755916

SHA1
5addb58af435d8b22df8538157b33acc24648e0b

SHA256
9073b03d45fc0376e62ee8ff24eea18ac6b6cbe40fde9c3d51c89ffc0f08f707

SHA512
540978dd01960f19f967a188294f628bc33dba57f1b51a0f85ceb96870fd53d15d355058c0cb695ef118213b24f0c63d7b1f73b6fb78f8b08312e636c4c8763c

Download Submit
/data/user/0/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
939f7ed3b7e1288d138844a5fb5468d7

SHA1
c7ebc9c09c0286bfbf9b2d30bc7332a25374c6d8

SHA256
ae8927654b18304cf473813cd7f07f5fd5b038bf4ce376d73c4191a6b03c33b8

SHA512
309396f1cbc588c8c834abb29f7a725fe8541c7029d95cfd14e24500e15aa8b5554774610f01991c58fbc616c61bdb39db2a306e21ce9fb5d9638010bd01b2e5

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads