hook | a3baebaf9d5c91a34c7adc8435d069d0abd8099d0e38a177d4c6704b476447c8

General

Target

a3baebaf9d5c91a34c7adc8435d069d0abd8099d0e38a177d4c6704b476447c8.apk
Size

4.0MB
MD5

cd8010eb4a1945384d673fa2ee24a277
SHA1

8dfcc36d74e2b158d76572fdea955b068fda19ed
SHA256

a3baebaf9d5c91a34c7adc8435d069d0abd8099d0e38a177d4c6704b476447c8
SHA512

e42445d44454e3de4659c416a2647aafc5008b89eb62fe248770a72c2207742f8f8efa2ecaefe114eff12823592aa30d704c444831c0d46cef08cfd960804545
SSDEEP

98304:Fi4V399CFmuXBlChb/+RvvRgP6tQ8aVMcHi3l:F73CcuRlE/+RWiraVzHi3l

Score

10^/10

hook collection credential_access defense_evasion discovery 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
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 defense_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

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.tencent.mm

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

System Network Configuration Discovery
T1422

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

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
- Obtains sensitive information copied to the device clipboard
- 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)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:5050

Network

MITRE ATT&CK Mobile v16

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1624

Broadcast Receivers

1

T1624.001

Privilege Escalation

Defense Evasion

Input Injection

1

T1516

Virtualization/Sandbox Evasion

2

T1633

System Checks

2

T1633.001

Credential Access

Clipboard Data

1

T1414

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

Clipboard Data

1

T1414

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

Screen Capture

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1

T1471

Data Manipulation

1

T1641

Transmitted Data Manipulation

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
703f9f102993fd9b46eb662d00703933

SHA1
7d75841a7da20c669eb41ab060aedf97fe4ffac8

SHA256
7e8369d826c227ab4ff83f5610b288167350e43ebaf43d0d97e93a5ffc9fbcfc

SHA512
6abbe08fe63286254d50240c7cd90c551c68060a3f149770136e2b1d18e9e23a05431bf6e10826ffd02647e6fe30a6e5ca80a4fe439c002a38b6f288062fdb5c

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
c2d708b95244a350d57765575c42a261

SHA1
a8d422617776f4d5bdc436c204529a1a58f926b6

SHA256
4cfa0e90c9ee75544a1dca511bc114fa50f0417f67b94eab3c2ec3b2a55f535e

SHA512
4190f9608591ba5b7951bb9631d0d78e86e22a353cda988d562781c5564d27d6e3eefcdea9fb53b9bdf522b2077e6dd9a7b3827c7bcf391d598513a78948e95d

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

Filesize
108KB

MD5
d25ad8a0ce34146e9c44cfd2f8281990

SHA1
bddb51cd227a7d10c959ac6b0ef3214c7db09d4a

SHA256
10505f193b79ea037ad24bc694c4167c6f72a987fec432bb7dabdbe3ed878369

SHA512
664206c8dfc616ed81ea6bf26e2d4f4a9dc8a4da64148dae0067a24cc73b50a517011b02c8ea0d6daf481ec1199b4303bce3c183d35682c6b2ed2d25bee7beec

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v16

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Downloads