hook | 896b6c8d9840cc5df2f6262f1ee52ef66a6ed57690dcf1189f09590a1b12b587

General

Target

896b6c8d9840cc5df2f6262f1ee52ef66a6ed57690dcf1189f09590a1b12b587.apk
Size

1.1MB
MD5

d0118dd15f0c4ba285f02a559ac25221
SHA1

049d35eba26a5c0477db06c1948fd380bad96918
SHA256

896b6c8d9840cc5df2f6262f1ee52ef66a6ed57690dcf1189f09590a1b12b587
SHA512

a819129132b61cea7a2f0e8a695aad4334787c46e0bf6536f24aefe6f9df4fff330150500bd98c25539f3765e276f363857a0eb0daf4cf8b880186176301e27f
SSDEEP

24576:M9El7zYeMRiHh1SPt6bheG8mvofK8XLrv3ojycJYg/vjKa:WEl7zYHUh1HlJB6fXWYg/ea

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

C2

http://wispy-pine-99659.pktriot.net:22284

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.bihopomiwuwo.xuri
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.bihopomiwuwo.xuri
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

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.bihopomiwuwo.xuri

com.bihopomiwuwo.xuri
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:4489

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.bihopomiwuwo.xuri/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.bihopomiwuwo.xuri/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
286223cbe419c1068d96560c9b75572c

SHA1
b1ca448f2feadc51c1315db57f9d569496d6b8fd

SHA256
77ac9f938765353de6ed62d40e81941048d222b2ebc0cc76dbb63205ede5d573

SHA512
0e098def4503404dfce742e414885de2c19466cba95172bce4e492d86d2f7bb908426fd411d58cbe275e1c190f7433892f21612a2eeef9e1656a757bc78dd655

Download Submit
/data/user/0/com.bihopomiwuwo.xuri/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.bihopomiwuwo.xuri/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
34373b9abe061ef68a153d6db8c53313

SHA1
dba1c90f2de4fcee6666a0742d44572a30fa81c7

SHA256
b0ad223ef4dedcd17a20f0961bce102cc65af9f7e0587a960e847998fe366d94

SHA512
f336f58ba0af07952a719d661e51e821237be6a540326dc961835a2a560e879190ad44d5fd860af0bc33a51289b5509490ab28977c42a7ebb726c8731462fbab

Download Submit
/data/user/0/com.bihopomiwuwo.xuri/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
7e80b78720f17d10b9320133d9ad9b3e

SHA1
29b9e8c64a7410d58df842d7cb80878639086590

SHA256
b8746d4d2f991f27ed6c3ad263fb58c3cd836501196b49893fdb0b988ca88cc9

SHA512
e3e302fd512631fa1209d0f0a0518d50bc4e341487de6e173b19e31d51e4557cbcfb285ec55d12cd3142213fb9a97bda599b0cb2a3a28f0dc02fb2ec6dbd05b3

Download Submit
/data/user/0/com.bihopomiwuwo.xuri/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
f8f97385960d8f86f80e52a323c84f0c

SHA1
bf5279e0813194c0715307280cbc8ec7faccf02f

SHA256
822077e88f2aa48eafbd17dd127b5601f1fe02d46a1603d1abed15ee382aedee

SHA512
0eadae5011f1a44292cd177433cdada19661b906bcaa0643ae52f5685efcf6039ecd48b1935fee4e716f2f27697c3b88a1fd3209dd53135c0d2bf795c186eb6c

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads