hook | 66145c6b08f24572a5008caf842ec07c31f9d3db35b019df18438b693222e171

General

Target

66145c6b08f24572a5008caf842ec07c31f9d3db35b019df18438b693222e171.apk
Size

1.9MB
MD5

b0317dd17d7c7bcea9acdeb8abcafcec
SHA1

46d12eeec0533b9392a18e6d4457c3d9e6912fd3
SHA256

66145c6b08f24572a5008caf842ec07c31f9d3db35b019df18438b693222e171
SHA512

52378e10d7bd105318756cc5beaa63cb3d7442bbefc33d1687b4bd37bc0a04c92783bd70999dc279e792a2e6b1a3495f404539b8fceb6f6dd147e36697ab26ac
SSDEEP

49152:YgpXArA+r93HfdGDCqtTH7oTHoVq5ztl1pZSE51:TArA+r9XfdGDCqtTH7ojgqh1jSE51

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

C2

http://uninstallerplg.cloud:3434

AES_key

Signatures

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

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

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	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

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.tencent.mm

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.tencent.mm

com.tencent.mm
1⤵
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4250

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1

T1603

Persistence

Event Triggered Execution

1

T1624

Broadcast Receivers

1

T1624.001

Foreground Persistence

Scheduled Task/Job

Privilege Escalation

Defense Evasion

Foreground Persistence

Input Injection

Virtualization/Sandbox Evasion

2

T1633

System Checks

2

T1633.001

Credential Access

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

1

T1417.001

Discovery

System Information Discovery

2

T1426

System Network Configuration Discovery

3

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

Replay Monitor

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Downloads

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

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

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

Filesize
512B

MD5
09aa12d15729938bffeb7b4ef71d8aaf

SHA1
0d3ef0bf1d62c67e49d7ba5951bd728c6a30112f

SHA256
639b319e183c246eac09113dc25d78a373302c03072405b79ddc5c4d6848e02b

SHA512
10429738d552e9edef347aab2708288d14195f689b6d3b2532d8d950be9149ceec24a7b61d2108cabe34b73ccd812d7ab99ad33a0d443d7bfad1607dc39ab415

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

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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

Filesize
16KB

MD5
e1595d89439d098f748485ef9edd2e90

SHA1
85a4c5d060108087e6b6e6b420429a390b6298d0

SHA256
f2b701058070a8c9ab726744a923f6effe018791da2880a78600319614e96efd

SHA512
af0567067a0cc54bb5babd00ec7adb6f1a2417f9b1413e5f5cde6e5020f932580e81db8824f8dc8cce7ab450c1260d003c3d7fe5dd4ff481b4f1e9d79671832b

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

Filesize
112KB

MD5
36f4dc56548a76f758795ab7775cb2db

SHA1
1623b86abd6e0c3ebf564a951221b774be5a5c8b

SHA256
0628c511a69ed54fd8ab073df46183d83867d57389eb03bd84b5d959f75dbf17

SHA512
a21bb9e07ded84d9b41563920a95d1a1c7dc607c2bd4b05807e761f43b366d31b523222b5d81e35715df6ca3265c239f1e5e632b511d6951f4e7666d665404e2

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

Filesize
185KB

MD5
ded2892c6b5f09359952471e9e3509b2

SHA1
7d1869ecec33048e048c22ea8df169de462d5dd5

SHA256
bb9acaf063b0a8cb5c10148ec69a113ff53b66dc2ea3fed14b205c41bb37db8b

SHA512
45d0a764ed4692c3cfec8fab74ad3e330a8c6ec0b6019f0e66af143dbb2054a929e87173c7bcc19cb40b9be3d71ff6e3929bc4b445f67d499455168d5fa4ecf2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads