cerberus | 2745459d7b1b02395cd7e8e816474a8d0be5f0fb7ba3f8d4b6cdc13180a7ed52

Analysis

max time kernel
78s
max time network
179s
platform
android_x64
resource
android-x64-arm64-20240514-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240514-enlocale:en-usos:android-11-x64system
submitted
20/05/2024, 10:34

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General

Target
5e9eddb78366ff16ac369499d3f7d0b8_JaffaCakes118.apk
Size 329KB
Sample240520-mmd58aff22
SHA256 2745459d7b1b02395cd7e8e816474a8d0be5f0fb7ba3f8d4b6cdc13180a7ed52
MD5 5e9eddb78366ff16ac369499d3f7d0b8
SHA1 c13bffe68d89f158dc3463645c302b2ffc7341de
SHA512 a02031fdac66cad8dedc3a00439ff560d2c7742213282adfdc7b8d8e2115cd00b0a0054d573758a9b65213c9d6c7e6c092c1697ee8d1a0d2033e69e157ddae60
SSDEEP 6144:ngGO0v1tBvcvvcNAPCm3CmQwNwmkDt2qkyZnEkDt2qkyZnk:gGRxUvUNAPCOCIkDt2qFZnEkDt2qFZnk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cerberus banker collection credential_access discovery evasion impact infostealer rat stealth trojan

Malware Config

Extracted

Family

cerberus

http://kmlykdduslo.tk

Signatures

Cerberus
An Android banker that is being rented to actors beginning in 2019.
banker trojan infostealer evasion rat cerberus

Makes use of the framework's Accessibility service 4 TTPs 2 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.zkdk.zudwdcozu
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.zkdk.zudwdcozu

Prevents application removal 1 TTPs 1 IoCs

Application may abuse the framework's APIs to prevent removal.

evasion

Prevent Application Removal

T1629.001

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.zkdk.zudwdcozu

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

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4612	com.zkdk.zudwdcozu

Checks CPU information 2 TTPs 1 IoCs

Checks CPU information which indicate if the system is an emulator.

evasion discovery

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.zkdk.zudwdcozu

Checks memory information 2 TTPs 1 IoCs

Checks memory information which indicate if the system is an emulator.

evasion discovery

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.zkdk.zudwdcozu

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.zkdk.zudwdcozu

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.zkdk.zudwdcozu

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

System Network Configuration Discovery
T1422

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.zkdk.zudwdcozu

Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs

evasion

User Evasion

T1628.002

description	ioc	Process
Framework API call	android.hardware.SensorManager.registerListener	com.zkdk.zudwdcozu

com.zkdk.zudwdcozu
1⤵
- Makes use of the framework's Accessibility service
- Prevents application removal
- Removes its main activity from the application launcher
- Checks CPU information
- Checks memory information
- Obtains sensitive information copied to the device clipboard
- Queries the mobile country code (MCC)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Listens for changes in the sensor environment (might be used to detect emulation)
PID:4612