hook | ef9c1ee9c06e8f6f92e9388e445d268072a321a4bf77704054dfdfbc68bd8830

Analysis

max time kernel
129s
max time network
171s
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
19/06/2024, 01:49

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General

Target
ef9c1ee9c06e8f6f92e9388e445d268072a321a4bf77704054dfdfbc68bd8830.apk
Size 2.8MB
Sample240619-b85phswdkp
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.findAccessibilityNodeInfosByText	com.gohaxacupumasa.kipo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.gohaxacupumasa.kipo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	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 6 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

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:4695

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 495b7e8e0932d89c00722d7dcf153de151269369025ecdf80221b1d9215aab67
MD5 fd6f814605cd10e8b00c2ffbd989c0fc
SHA1 a339e7c6598d117dde78ed71d93f72007cb4c24d
SHA512 3fc9734e25b783ff84ab1b7649868705914a82dc7e701d0c4a22155502d4ca5972b1f320a2ffb471f65f7c25a58a5fcc170f8545a0297aa0809656a2c7c01579
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 c4529c436a52b0f7fcb02d9779c6441d51ce38e00d7ec37fb049b0896a8c7463
MD5 771e84c98deccc657c4024ba611c5c21
SHA1 daf0b2f642fc6697dfd0c182a4da037ce97e73c9
SHA512 aa18bdb8b0fd8a53496adc507d39bf6506c847d6841c354bdf9ad934faca87b4bbcef4b23d103a0405b1b89e0571181caa7e9bed72fe9b55908bc880ca1779b1
SSDEEP 6:KDbCuciy9FZde/kPlOERX4PBX4ogLugMBX4suuK+/rdmCEtww4SSVjiOw2:KTcXzdeWRmBEyPbP/ksjiOw2
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 678ab802424ec4b844e9ff1be49cbf585c3e96e5f73d2d0114cfd05a62eed862
MD5 058e0d1b7a8f238a2a5df0d8e3afb48f
SHA1 bc618f1ef7f9e572ec1d90b2564a0405455c0da9
SHA512 f3e3a14f6fd3f55e4ba397df7f5528e2dbb777a32ed1e05427f1d2c2e1b9d821c65ef9a8bdaeeb82288db48a562e262eb2ecde45bf37da04cdcc1e8731c76b93
SSDEEP 96:gkZ6+hdjnHtDRMpf8UzS5+TD8q0ExPfAd:DVdjnHt9Mpf8UzS5+TD8q0E5S
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 691401dc33dcc0c9137a54357d04b35975fdba9c8da6a9f1f8dfc69745584b64
MD5 08913466fd55b7d186a695963fcba8cf
SHA1 f73d2d7e4c990d0da7e28fd9885d48ff86b8fc0c
SHA512 571d883bea8d001af03d7fe4fc73536f344d3de12beb64ae73aca3b95217706116238d89821200026e12ab8bf8d8ee6a62ebd8b14f0258deb2d280af687fa627
SSDEEP 24:kUeTH7NYfR0o+sH7ZQH7Z46NDyL+0Xa6TH7NYxDiBU1k1R7:QPNY+oVZSZ4u3x6PNYIok3
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads