hook | d6bad24d0fb7e89ec5338bf8267338fd4dfdc1906b6081833bf11a7a167786d9

General

Target
d6bad24d0fb7e89ec5338bf8267338fd4dfdc1906b6081833bf11a7a167786d9.apk
Size 1.1MB
Sample240519-ckry7ada6v
SHA256 d6bad24d0fb7e89ec5338bf8267338fd4dfdc1906b6081833bf11a7a167786d9
MD5 5a1ab94461832306c209591bb3bae32a
SHA1 8d5d298719ddd1d8267838215af1cc1320ff8c59
SHA512 b3bb210e1bcd6237fe233e3004c5d750b2b25f9f02d03807772c088adbd4b38ed0d85e2ef22b66a6136fbb6fd6ba80db8ccb899e72b561450add9feb68ed2e25
SSDEEP 24576:sBRi+rjCGi7i9KfOizdgY+MO5hU5K4aH/DkXp/omyGng/WIMZr:sFrjCT+9yOizdsdsqH7k5/iGng/or
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

AES_key

Signatures

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

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.kexomuzuvudifo.gazaka
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.kexomuzuvudifo.gazaka
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.kexomuzuvudifo.gazaka

Prevents application removal 1 TTPs 1 IoCs

Application may abuse the framework's APIs to prevent removal.

evasion

Prevent Application Removal

T1629.001

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.kexomuzuvudifo.gazaka

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.kexomuzuvudifo.gazaka

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.kexomuzuvudifo.gazaka

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.kexomuzuvudifo.gazaka

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.kexomuzuvudifo.gazaka

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

System Network Configuration Discovery
T1422

Requests enabling of the accessibility settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.ACCESSIBILITY_SETTINGS	com.kexomuzuvudifo.gazaka

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.kexomuzuvudifo.gazaka

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.kexomuzuvudifo.gazaka

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.kexomuzuvudifo.gazaka

com.kexomuzuvudifo.gazaka
1⤵
- Makes use of the framework's Accessibility service
- Prevents application removal
- Makes use of the framework's foreground persistence service
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Requests enabling of the accessibility settings.
- Acquires the wake lock
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4611

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1

T1603

Persistence

Foreground Persistence

Scheduled Task/Job

Privilege Escalation

Defense Evasion

Foreground Persistence

1

T1541

Impair Defenses

1

T1629

Prevent Application Removal

Input Injection

Credential Access

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

1

T1417.001

Discovery

Process Discovery

1

T1424

System Network Configuration Discovery

2

T1422

System Network Connections Discovery

1

T1421

Lateral Movement

Collection

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

Screen Capture

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

Input Injection

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Downloads

androidx.work.workdb

Path /data/user/0/com.kexomuzuvudifo.gazaka/no_backup/androidx.work.workdb
Size 4KB
SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
MD5 7e858c4054eb00fcddc653a04e5cd1c6
SHA1 2e056bf31a8d78df136f02a62afeeca77f4faccf
SHA512 d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb
MD5 SHA1 SHA512

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androidx.work.workdb-journal

Path /data/user/0/com.kexomuzuvudifo.gazaka/no_backup/androidx.work.workdb-journal
Size 512B
SHA256 5780b0ff1e070257e0776a6c9d63a8b0b0bf3214a5f77e40794679824ed206bc
MD5 a6599f4df492464a133d608c70427575
SHA1 534a740f91a8726e09bae0f10980e84891c3e199
SHA512 6433c667649ef4a7793cdb02c1e1b5f428b694a6ec189092a626e0392f15b2e45fb6731921fea373551c53a65321fff88345653dcbf08619768c99506e35723b
MD5 SHA1 SHA512

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androidx.work.workdb-shm

Path /data/user/0/com.kexomuzuvudifo.gazaka/no_backup/androidx.work.workdb-shm
Size 32KB
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012
SSDEEP 3::
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.kexomuzuvudifo.gazaka/no_backup/androidx.work.workdb-wal
Size 16KB
SHA256 c813669deb896121565be38a12a8c64839ac464c22f2f03ca4329edf308ba1e9
MD5 073664a2508fab7f0a755e2f5b630531
SHA1 4c0ac062184cf256ae56c4000ae7274e33cc2300
SHA512 b1cfe0774e1aa5e13923083e0a248534cdbe7ee79dda5b048d4e38d66f715e91bf111b67f37fe0f04fd95640641b3babf2ac8f8204d2892398e9d07635c869f5
SSDEEP 6:KWvX3OiIvCuRg9FZde/kPlOERX4PBX4ogLugMBX4suuK+/UvSClj25h/1ZqEiOw2:KW/gquRqzdeWRmBEyPbP/UKmj25t8Ow2
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.kexomuzuvudifo.gazaka/no_backup/androidx.work.workdb-wal
Size 108KB
SHA256 ea0f4edebe7c3b4c5c88095cb70fb7111b7f6e72d48a5ab6c66b94d3240e872f
MD5 e9802c14dad207f2979df9f702eb1292
SHA1 6c3543eaf62a1a6f9d9b448aedf9efed65923daf
SHA512 f59f81fcb94de6afdf56965e4d208293413a3b18694190e4fbc5d7c589be1f161ce1bad795f027697b24f5661d505e37e3fcba63a2545527ba556c241ca9da5d
SSDEEP 96:IkZ6+hdjnHtDRMpf8UzS5+TD8q0ExPMvid:rVdjnHt9Mpf8UzS5+TD8q0E51
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.kexomuzuvudifo.gazaka/no_backup/androidx.work.workdb-wal
Size 173KB
SHA256 d9c100cc58d05aea36c2752325b08a264e1a35fa1e88c448d6fa05b31cc4ae30
MD5 72bb3136734ca3c574fd9986512d1ac9
SHA1 387cc1e263bb6fec966829f24e91f06316bfad15
SHA512 bfe3b677660132b9a924359e5c615ee68795f2e8dca827324fbddc9b821768f1623998a8f8809a5e4314e418539eaf0342f8c0ad4c59ccbb3b12026ae894d735
SSDEEP 12:c5k8zcod1MXrfqbQnAUgW0+VPLp14/Aco2Y0SPfco2YEUdznQVBXgYYUjkOVZXYZ:f01YfwbfKKnKknj62VoiqN01YOA6i/
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads