hook | 0968f706d92da8fa371cf88aeb4ba60e44733035e3311c60f9d36addb1c9d5b3

General

Target
0968f706d92da8fa371cf88aeb4ba60e44733035e3311c60f9d36addb1c9d5b3.apk
Size 1.1MB
Sample240502-bd4tqscc91
SHA256 0968f706d92da8fa371cf88aeb4ba60e44733035e3311c60f9d36addb1c9d5b3
MD5 aaec5d207147fb4b4700c2e0b82b7272
SHA1 3b01954ea4e1a6488ce0f9a044b89fa513d2d3dd
SHA512 9a622b83b03d8a723ff96fe7840899251767e22d2190ff043bbe57514afd72ca561c33e65b6f5924942b6ec67647f9d22ee66b726b8a1fd3543cb7ea9b5b445c
SSDEEP 24576:56KtLf51JR8li6FE+KTj8uKsZjheVlEz0P/mjyW3g/x/A1:NrezFEtTj8uKsAVA2/5W3g/y1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

hook banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Malware Config

Extracted

Family

hook

C2

http://103.67.163.33:3434

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.findAccessibilityNodeInfoByAccessibilityId	com.jejisinepebuxo.cunenu
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.jejisinepebuxo.cunenu
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.jejisinepebuxo.cunenu

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4435	com.jejisinepebuxo.cunenu

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.jejisinepebuxo.cunenu

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.jejisinepebuxo.cunenu

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.jejisinepebuxo.cunenu

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.jejisinepebuxo.cunenu

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

System Network Configuration Discovery
T1422

Requests enabling of the accessibility settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.ACCESSIBILITY_SETTINGS	com.jejisinepebuxo.cunenu

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.jejisinepebuxo.cunenu

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.jejisinepebuxo.cunenu

com.jejisinepebuxo.cunenu
1⤵
- Makes use of the framework's Accessibility service
- Removes its main activity from the application launcher
- Makes use of the framework's foreground persistence service
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Requests enabling of the accessibility settings.
- Acquires the wake lock
- Uses Crypto APIs (Might try to encrypt user data)
PID:4435

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

1

T1541

Privilege Escalation

Defense Evasion

Foreground Persistence

1

T1541

Hide Artifacts

1

T1628

Suppress Application Icon

Input Injection

Credential Access

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

1

T1417.001

Discovery

Process Discovery

1

T1424

Software Discovery

1

T1418

Security Software Discovery

1

T1418.001

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

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Downloads

androidx.work.workdb

Path /data/user/0/com.jejisinepebuxo.cunenu/no_backup/androidx.work.workdb
Size 4KB
SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
MD5 7e858c4054eb00fcddc653a04e5cd1c6
SHA1 2e056bf31a8d78df136f02a62afeeca77f4faccf
SHA512 d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb
MD5 SHA1 SHA512

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androidx.work.workdb-journal

Path /data/user/0/com.jejisinepebuxo.cunenu/no_backup/androidx.work.workdb-journal
Size 512B
SHA256 9e285a88e9dba9a8f2d841cc24a624daef1ca6816bad6c12560e68a79b54cd46
MD5 02527522c0049d28909bbfdbd8b79526
SHA1 783c45137cc1ed6b71f6ea09244c43f28e0d7f5b
SHA512 323df396d5544f530cadf6fb7548979d5d0bd0bc7e04991bd7d8f7eed18c67caaa329d235e0048b6a2ba039e7b7a37f995c8151060e01782219bd67c167a77fd
MD5 SHA1 SHA512

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androidx.work.workdb-shm

Path /data/user/0/com.jejisinepebuxo.cunenu/no_backup/androidx.work.workdb-shm
Size 32KB
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012
SSDEEP 3::
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.jejisinepebuxo.cunenu/no_backup/androidx.work.workdb-wal
Size 16KB
SHA256 2d55b91ffab105ea82a4ef447b13947b043b4269e2e698f0f0e7405c4c05cc24
MD5 4329cd81e173d40d6d6d337095f8540d
SHA1 97af5d83d257801ba92389ffa879c7d5f95080ec
SHA512 58b888182a650d782936e70c7f2dcf365be7980983aafa6e766b6b18fc0f3094e595fc6d3f87a7170a2b1afb42d91a838fbffd12b7a8d23ce17b904e747e7754
SSDEEP 6:KG1V560m1V3Q89FZde/kPlOERX4PBX4ogLugMBX4suuK+/w1VXBeitl1e7ue+Ow2:K4560Yg2zdeWRmBEyPbP/uUiX47uXOw2
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.jejisinepebuxo.cunenu/no_backup/androidx.work.workdb-wal
Size 108KB
SHA256 d41f617b19b800d6b26be5e97abe761fa0dd8c71c09166d214fe91871b30279a
MD5 3d84deecf44d44eb066f84dcb8c49ef4
SHA1 8e99d67aa9203460f984c1168b046b6b5e3093d6
SHA512 d5289d99f89374cf2550bbbead7d26f73c175ef577658aead3e166a2574f92cdc67ac52df63a3fd2f24d29981445b92abc7b7f32ba9b1ed461ffa9c3c0d56b66
SSDEEP 96:pkZ6+hdjnHtDRMpf8UzS5+TD8q0ExPDmYMd:6VdjnHt9Mpf8UzS5+TD8q0E5zG
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.jejisinepebuxo.cunenu/no_backup/androidx.work.workdb-wal
Size 173KB
SHA256 0b9e0658e9c443400105a6c0bde39e34fd629ee0ee3e04f08cce6bb38fe63ef8
MD5 f605ab9dbc72b7d344a2441080fa5928
SHA1 5a6366964509c5462ec72fb29b286f3876c26ef2
SHA512 0c51d74cb1b524bb000683495b6381dcd5660a348c4bd055009c1d61d26209ae9b6aa27cb9c7c9d27fe057e70d7c77d54761d73b5807cc176cdd53785fe1a197
SSDEEP 24:BsYGwbYfKq7QrsYGTXGmZRkYGTXGZIEQOH0QNY+xmsYGwbYCiTD1OZg:BsxkYtsoxbrRkxbcWnsxkYdDR
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads