hook | 26db08ef808409eb973a698d26ac83d99f46c8aa7fa35c96bf8140fd94cb2ca1

Analysis

max time kernel
149s
max time network
159s
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
09-01-2025 16:18

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General

Target

decrypted_2587456092053789685.tmp.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	4499	com.mkjvmvrwu.uwknrkfyg
/data/user/0/com.mkjvmvrwu.uwknrkfyg/app_dex/classes.dex	4499	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:4499

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
f1d28cbae07437a3c1bb65ce789a6166

SHA1
2e5dcbda86f3985636fdf4746b24445999f8b0c9

SHA256
8e0ba4592d7b58e2adefde3deb404ac5ece2e89e09c694c6449e1449946c85cc

SHA512
200aecaff8908bdd325c1f1543b907ea2ac30f8e49e57c0e3d8952d5a58ed79643823425ec38a745e97e39cdc729c9229f6eb53049de24d9c0eb640f7ec3676f

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
21860a87003b2f336ada35c9944e84e3

SHA1
168eaac83ce2ff62af3b7869b53af42d86fbe2b8

SHA256
3e3060edb187771f0b9a2311ac498a53faa4015da95ec03ccb85a299179e6faf

SHA512
f5f48d7b211887c6052d0c3d3240ec80bfadf55655ac5ac11aea9d1a475ff05bbb34fe69f0a36200e80f87ff4e44a90a34a2a66f1996d62dc3b90f20ca036b0a

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

Filesize
108KB

MD5
76afc9c988fca76ff9007dd2bd95ffb6

SHA1
fe96fb6e9e383e2df2883e6c113e672de3a6d624

SHA256
172c509a7ec6287820125be5cdfd71621315e6de81002faac91ca82d390e1557

SHA512
2f3bbaa55613edc3751044f845e475008df67b0b631f2b58ffd3461ead7a9ceae6435099370b5edc253f9d7696dbe3b7fbfb1e8859188d49ade659d500af465f

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

Filesize
173KB

MD5
4c91fe238e0d7964df932520e730aec4

SHA1
fd4171dbfdf4126bb4ba7fe37f95d106d7f5ee1b

SHA256
f6df8565938c437006a912a73dbb0118545e0940b095c7470afb48bd79ecd88e

SHA512
ccf0fab56da8f5a3237e80a1f3d3d8f59cd805e18180aea0bb3ab12b20ed7b683c8e715f19638629dd5bec10439e0d5ffc9cf8a246061c493a873b5e6d8e32db

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads