hook | c274e1c3eb15ebc79f91814fb5b4eb53380890c936529adc5903def3f04fa2f7

General

Target

aea84ebd9c1194efa69033231fe055a9fa79f3e740825965ab2767c4f61b0531.apk
Size

2.8MB
MD5

0d0c23a96dc90d431a8ce01f0cee1575
SHA1

8605f8fb9d5de85b5bca0aa953ea2ea8df53cf84
SHA256

aea84ebd9c1194efa69033231fe055a9fa79f3e740825965ab2767c4f61b0531
SHA512

7858bdf897659898c018aa2191f87cac4effa93e95daf3c4e449bbbafad1ab8248df0bb97e599e7f81a3dad0ddb3041ad712c8198a1b8635ea0b09f4849fc7da
SSDEEP

49152:mAT2grdSkQvKiMqFnr8CJMtvlB0l1EIFWEog1cJXCDG9XU3g/KZ:mAT2g5TQSSlrxmdva1EUag1cX8eXKZ

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

C2

http://91.92.254.104:3434

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

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

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.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 running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries information about the current Wi-Fi connection
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4579

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

Input Injection

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

Process Discovery

1

T1424

System Information Discovery

2

T1426

System Network Configuration Discovery

2

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/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
6ded2f7a7ede2456be17c85a580d1a1d

SHA1
aba4f565c377ef58ae2ba7fe9260bfe972aefe5e

SHA256
04a170271781359110f974647a60e4aa4889bde3e70515ad90287a7b4e978af7

SHA512
9f8722060505e2d62af5334e180374b4ce804c16b12a36d48d39a9fd32e36cb1eafb6890490c069979187cb0c81c843c51463e07b041dd5d928f451d7b845bd6

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
1ec4ce66adb82947f9e1227fde68199b

SHA1
4b065c2c6d1b784254e0a3fe0135b31c250559da

SHA256
d0479e4ecce012c26dd5613ef0edb4ba979a7711af5016450590e3fa6d3411df

SHA512
6ed4e4e723d4a55ccb1323a3eedd57baeef426b8a5b07214da66febbb0f41b16c9c837c2395149cd8032fefafbebd6cb7bc89816c8987bf863aaa458a331c62d

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

Filesize
108KB

MD5
ac10b2c4a3387da9ddc208ebb40efec0

SHA1
44fc0f27068f3750a44f437c0e0eb42e59b8b7fe

SHA256
2877a7dc23a842ed97bf12dfc65d5bbd23c6260135a6634ad8af41d5c96ea0a3

SHA512
81fb0c2bb5613a47ad9fb74e6c57181c342419e755ba50aa594ca33cff91dfd7aee8d6fbec7112a8e68d2d30afa05b47099d3642a2feade0121b06b741e2aa26

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

Filesize
173KB

MD5
9fd6cefe5b58b13c64115a3ec6ac45b1

SHA1
e38eee364391f38d25d9e102e82058fe52b3eba5

SHA256
1028232b23201db054433559cf3f91731e7fe991da156563e39eeb61e0bfdb68

SHA512
6e3930962f60c0980a802ba2f54396c90eafd202257fbea0ab457c0388187dbbf71d19eedf6263ad155225a5c8a55bce2fb4cf6f5fde7ab6daa5ee556c29c28c

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads