hook | ef9c1ee9c06e8f6f92e9388e445d268072a321a4bf77704054dfdfbc68bd8830

Analysis

max time kernel
42s
max time network
188s
platform
android_x64
resource
android-x64-arm64-20240611.1-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240611.1-enlocale:en-usos:android-11-x64system
submitted
18/06/2024, 18:55

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General

Target
c0b49d35aba26433370836dacc9d3007.apk
Size 2.8MB
Sample240618-xkrzeavblb
SHA256 ef9c1ee9c06e8f6f92e9388e445d268072a321a4bf77704054dfdfbc68bd8830
MD5 c0b49d35aba26433370836dacc9d3007
SHA1 fb46397f5d1a37055cc5323d89681dc0d1da5b85
SHA512 c14804d81e12cef1d154dee0c4d650508fd47ea67ebf09b063704834bfde6dd553d18ceb6223212e78cf621caa095aa979ace1dc75357ff3c211811c2bdfee50
SSDEEP 49152:R7gmZbnXsxJHCXVvEELV0AUgFw9EdFMVDvRXleFSl2Fu0cFUm4LpisVaQ/jazg/Z:FpbXsxNCXBEELrUgFw991VIYyuV6m4oo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

hook collection credential_access discovery evasion execution 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

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.gohaxacupumasa.kipo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.gohaxacupumasa.kipo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.gohaxacupumasa.kipo

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.gohaxacupumasa.kipo

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.gohaxacupumasa.kipo

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.gohaxacupumasa.kipo

Performs UI accessibility actions on behalf of the user 1 TTPs 12 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gohaxacupumasa.kipo

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.gohaxacupumasa.kipo

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.gohaxacupumasa.kipo

Reads information about phone network operator. 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.gohaxacupumasa.kipo

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.gohaxacupumasa.kipo

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.gohaxacupumasa.kipo

com.gohaxacupumasa.kipo
1⤵
- Makes use of the framework's Accessibility service
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Requests enabling of the accessibility settings.
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4463

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Foreground Persistence

T1541

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

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Downloads

androidx.work.workdb

Path /data/user/0/com.gohaxacupumasa.kipo/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.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-journal
Size 512B
SHA256 b0d6c6e3967d5aab10ac1565ffa512fcb214c73121735c40114dcb5f639887ba
MD5 251c843f59b0652558a2c73f5a66312b
SHA1 fca200e1e292cc56b2f7d32a17f38821c9930021
SHA512 2599ea7f0575ac9e49f235f700af969f84f65a882e3eae176cb31d8b83604d4367ac555640326b03c6a2afb34f5e5a970e7946acd18a0232c3467de5338b8377
MD5 SHA1 SHA512

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androidx.work.workdb-shm

Path /data/user/0/com.gohaxacupumasa.kipo/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.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal
Size 16KB
SHA256 c1434cab08784ed52a9ada9a6297e08f0159a9a11965d7d0495e11e4069de2db
MD5 7eb7abd435b1a571d82cace864f790f7
SHA1 f6cae0b789d615679ca473ea5b7f86d6ec16d844
SHA512 7f759e64f8e1fa785a811a417f779e429eb63a94efbfa44a687cf3296047774b7e9f40a10efb23456031f9a499a56688b7f1d382b5fe4d492d3031929b3519cb
SSDEEP 6:K+vBIpQv9FZde/kPlOERX4PBX4ogLugMBX4suuK+/QVqnBvZOd/+Ow2:KQupQlzdeWRmBEyPbP/HBB2WOw2
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal
Size 108KB
SHA256 12a04b02bf2db39c5c4924f65bdac370f1b08ea6d84848a20c906b6e1f0a90ad
MD5 60c7da9281e3af654b87f7d6ace52c55
SHA1 6e8b49dfe3648725f4e81ef7ca461f82c0fa192e
SHA512 2071ca9faebbcacb6ed3d1b014c016168342168a38b556717a1db9616b89cdb1a8b4277226bc07dd00e6545af3e736074662533e8f9cde427495c547f5bd2666
SSDEEP 96:eKkZ6+hdjnHtDRMpf8UzS5+TD8q0ExPcjGFd:eRVdjnHt9Mpf8UzS5+TD8q0E5MW
MD5 SHA1 SHA512 SSDEEP

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androidx.work.workdb-wal

Path /data/user/0/com.gohaxacupumasa.kipo/no_backup/androidx.work.workdb-wal
Size 173KB
SHA256 0ec86e90502f0976e52ce9d1d91209efff63940c6c99ca7440819d215c90d0df
MD5 cb3a3b948c9d5bb48cac3d3b6b8eec88
SHA1 fbb333857e400f5cb11c2eaf0e1156cb9a738322
SHA512 69db60d1c5fefda45d567866368a9583902dab2b36fcd67e89aedc1e36f3a3f1d53702fe65b1becb217302d2d2404265c27445359a664897bb9b1b4e7d018e75
SSDEEP 24:/3j0E4oH7NYfhE+qdU0H7sE+dH7sE+V2E+yswE+0IE+d1E+H0E4oH7NYm7LBoE+U:ImNYJ/Qs/ps/c/E/5/d1/UmNYF/7/g
MD5 SHA1 SHA512 SSDEEP

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads