hook | d6bad24d0fb7e89ec5338bf8267338fd4dfdc1906b6081833bf11a7a167786d9

Analysis

max time kernel
52s
max time network
186s
platform
android_x64
resource
android-x64-arm64-20240514-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240514-enlocale:en-usos:android-11-x64system
submitted
19/05/2024, 09:09

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General

Target
d6bad24d0fb7e89ec5338bf8267338fd4dfdc1906b6081833bf11a7a167786d9.apk
Size 1.1MB
Sample240519-k4npwabe4w
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

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.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:4602

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

Foreground Persistence

T1541

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

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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 756763542613ecfbafa0ffb5e350aa78664926526ca782c149b38bf70a99649c
MD5 7cd9d156b1232ee3da65f31faaf5362f
SHA1 481c2e4cde693590c37e7d56d794ce9d5bb0a355
SHA512 dc196a03c4ee8e45ec148c4ebd9b886453be0b1d9bcb77fdbdd71cda3d3f326dd1a74651ae88d6b0a6d3642087fcc2f4310d87288b9539b8c67787ea90e9dfca
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 e525d5c6e7329cda96707c94e6eca0dd7b693cec9adaa6250757928106677491
MD5 b459158d36bb97991c2d5c345799405d
SHA1 41457c18d0ca9012659d2db340efbf9a26284b8d
SHA512 7560a9050f74c9d7cc23d38804263132e5079ee887be47aebd4d0276ce65e98542ea863c1b2917821a81d4a1a818b1fcca36376079d5db05235e81499deb812a
SSDEEP 6:Kyc7o7+c9FZde/kPlOERX4PBX4ogLugMBX4suuK+/P7TuX5dcHMG+qiOw2:Kls7zdeWRmBEyPbP/TqIf4Ow2
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 4f6c4722dee552db7cf097ca274fa5ebd13bd358411cce490947d879e4becbe4
MD5 872c349fe99570a56520c6a88750dd13
SHA1 cbd51d1f7d7052b7829192f585a0404613cb0133
SHA512 7905c2ec10ad8373e8f607b372a3f85da52321ad8a435ad3641674eb6389088c605d02dd1ef1aff9e0de4615f7de035eeaabdd2f83542312fca97e31a9a43816
SSDEEP 96:+kZ6+hdjnHtDRMpf8UzS5+TD8q0ExPJ8Zod:lVdjnHt9Mpf8UzS5+TD8q0E5D
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 1086285ebb2bd45144403e0166d8993cca39b7965608bf8b60641d76425979b6
MD5 994605c5284abbb65dabd6aa7c5325de
SHA1 a4956e0bc26cfcbcb00e957c02cb255db0f8bf3e
SHA512 c21b05e0634a2b57b2bb43a86ff924eef71c5de24269310a6825004459641a16b7755d2997c960f0a93436bbc3920733ff2397939624f62e97074820f3ee3b27
SSDEEP 24:7wT01Yf/3nRNtvVu3kfjhecsq36DtP4yf01Y/Qd0g0PRYHP:77Y33nftvccNec16D6yAY/QSh5Yv
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads