hook | 7a2bd6350fd31bcc7a255364e20a8583c7f3312fbf8f817f00e29d3e3be1a199

Analysis

max time kernel
25s
max time network
188s
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
25-06-2024 22:04

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General

Target

7a2bd6350fd31bcc7a255364e20a8583c7f3312fbf8f817f00e29d3e3be1a199.apk
Size

1.1MB
MD5

61996b4c60cf3bcb71b142912e31bf9e
SHA1

4d6416fc70563c4f5685bbb219a35cf99b40d904
SHA256

7a2bd6350fd31bcc7a255364e20a8583c7f3312fbf8f817f00e29d3e3be1a199
SHA512

a1cd57cc0060635f93665e0a2006ec4c691e32a8859de678658ef8978631a077dce2cbfbfb2e4002f1438b1daea977ea0724fb5a570fcbb4569d7965665fdd33
SSDEEP

24576:bY3KfQjJkykdgHzKrJU36czjUZSojyjz+sdg/T6XG:bPQlktgHzekFjQSXH+sdg/WG

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.tencent.mm
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.tencent.mm
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.tencent.mm

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.tencent.mm

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.tencent.mm

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.tencent.mm

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.tencent.mm
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.tencent.mm

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.tencent.mm

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.tencent.mm

Requests enabling of the accessibility settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.ACCESSIBILITY_SETTINGS	com.tencent.mm

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.tencent.mm

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.tencent.mm

com.tencent.mm
1⤵
- Makes use of the framework's Accessibility service
- 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
- Queries the mobile country code (MCC)
- Requests enabling of the accessibility settings.
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4490

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

Replay Monitor

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Downloads

/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
17780efddd21197a9e6b66ff01c20dd7

SHA1
fb977293d314e54ecf5df8de35d113d45f82e233

SHA256
69a0caebbc5b220135efa0ac3d3abfa3682177921e80aeb1dcf1ac57487d014a

SHA512
6f8ca701d8b7054804b16c51c79d5220c5710a220fa2d73b7292193bd24cbada5b1e7459352cb58e4932de40f8ffdabdf57c9c74afcb4b774194c551ea56cc76

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
16e0dd7f3c8b9ce3f96b7f563502c877

SHA1
51e61ebe36fceae07f14fd15847c844707bfbd42

SHA256
d488001bbb9511d29f734dc34062f6af02ca92e21fafa659735d7d692b01a514

SHA512
40970e1be3fcc2a9025608a391ea483657c43532977ba8a6e6c085de69f0793abf08aab3407907ef421fec65e6918e2b5823db8a803297f8a53e827842636ad2

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
a5b238ab7f61edd387f2edcc7b5ee3d9

SHA1
8ad4abddf008f6a509f2bf8c0a389e2c5a4460ad

SHA256
33260eccf8a9d4fb759977dbcd0fbc507a367ce6b8175db77ef20fd74c5b5dbe

SHA512
5d9236421a547629ee2a87e8edbe4812e4a62e584dc4ba5c9fc04f6ab96accb04a7d040fadd20cc16b058445c18b7ef5ec9f1ca0f6a2c7ee28a131d93db1256e

Download Submit
/data/user/0/com.tencent.mm/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
ad3947a760ef789fdac9d067c52876af

SHA1
ec67ea61bd94fda77ce15b00a43f34c6a5c6d7dd

SHA256
1acd931603d92d1e122301d65215751ff11dc441faab659354aac9bc09faf666

SHA512
12d5a7b5a754fb12a4d3b3121d6f73c4af52bdfdb7f808a7efe97cc4ddca0c0170a11ee149357f10fd27afe1c33992ba9670f96e7d06aadaad11458b99fb25b9

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads