Overview

overview

10

Static

static

6

9ea364ea16...ba.apk

android-9-x86

10

9ea364ea16...ba.apk

android-10-x64

10

9ea364ea16...ba.apk

android-11-x64

10

Analysis

  • max time kernel
    41s
  • max time network
    157s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    02/02/2025, 22:01

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General

  • Target

    9ea364ea16c656f5f6b33caf7ff66f7eb85986afd1d5a34d62c502c9a92e1bba.apk

  • Size

    1.6MB

  • MD5

    f89ac4860d2ffe3042c9616a1a7af5ec

  • SHA1

    e656fba5b05f9cd6f6729c0bbec319054a145e4d

  • SHA256

    9ea364ea16c656f5f6b33caf7ff66f7eb85986afd1d5a34d62c502c9a92e1bba

  • SHA512

    c5098d3d561f8743f2f8af76244eddb824497920532c12a70b05102c9e91d66222110d4b95d8c6753ca3ab1b31ad43931fd117c516f8b987e5c396c13e4d51ba

  • SSDEEP

    49152:mhODCycMLSKdEia8jXHKUPoWjWVkE1+nLb2m:mhEwMLSKdEiNGU41u/2m

Score
10/10
cerberusbankercollectioncredential_accessdefense_evasiondiscoveryevasionimpactinfostealerpersistenceprivilege_escalationratstealthtrojan

Malware Config

Extracted

Family

cerberus

C2

http://188.120.228.245/

Signatures

  • Cerberus

    An Android banker that is being rented to actors beginning in 2019.

    bankertrojaninfostealerevasionratcerberus
  • Cerberus family
    cerberus
  • Removes its main activity from the application launcher 1 TTPs 2 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectiondefense_evasioncredential_access
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Requests changing the default SMS application. 2 TTPs 1 IoCs
    collectionimpact
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    defense_evasion
  • Tries to add a device administrator. 2 TTPs 1 IoCs
    privilege_escalationimpact
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
    defense_evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.thumb.steak
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests changing the default SMS application.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Tries to add a device administrator.
    • Listens for changes in the sensor environment (might be used to detect emulation)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4341
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.thumb.steak/app_DynamicOptDex/sA.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.thumb.steak/app_DynamicOptDex/oat/x86/sA.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4367

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1626

Device Administrator Permissions

1
T1626.001

Defense Evasion

Download New Code at Runtime

1
T1407

Hide Artifacts

3
T1628

Suppress Application Icon

1
T1628.001

User Evasion

2
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

System Information Discovery

2
T1426

System Network Configuration Discovery

2
T1422

Lateral Movement

Collection

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Protected User Data

1
T1636

SMS Messages

1
T1636.004

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Account Access Removal

1
T1640

Input Injection

1
T1516

SMS Control

1
T1582

Replay Monitor

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Downloads

  • /data/data/com.thumb.steak/app_DynamicOptDex/sA.json
    Filesize

    64KB

    MD5

    bdcab3408ec3d18d77c8e8e644c18d81

    SHA1

    d15a339ce65663c5dc60ce1c25a05251dc55e309

    SHA256

    b1fd94a393f7bac600af51008393d4b5e69c6aab96b68b469b87e0204fe06a64

    SHA512

    1565e0735102ed57745c5d9a1851dbc3c5c34940f77a6ed31f7ebf1e65aa967fc86a248231bb55e11f7d8d33e9106541eece155c5be8713f18271c5ac984e740

    Download Submit

  • /data/data/com.thumb.steak/app_DynamicOptDex/sA.json
    Filesize

    64KB

    MD5

    7b6d139d72e113b947deb8d6cc7ca65b

    SHA1

    01683e2e1ef5bde6dc2a2a1dc737934c7e4d4807

    SHA256

    765fba2b72e2ae6d993c4fcc2104ed6ddb38ef9aa9c940fd29ee09a6affdd9ff

    SHA512

    876c9917437e35ad9117f0359cb083c1f589ee45cbe42000cd05c5ae9f63535a29134a9c1fc8ff474cd6f25ca9f1cbd7c54f5ec8bb713584e07ae6f63f08e10a

    Download Submit

  • /data/user/0/com.thumb.steak/app_DynamicOptDex/sA.json
    Filesize

    118KB

    MD5

    c5ce525295a731f5603be67c2c145d83

    SHA1

    404b753930aab8dbda9bdb3f223a35b35e3af484

    SHA256

    631718d8722a79d404acea74667da0f3b6c7a06836287fb6bd4ba41d2ac92afb

    SHA512

    d182b102c4e0e8237895af3e49bdc113bba0531b8d6ea4f28cfed0e74ca2dcdbf73d1c649868770932cb1a1f6c4d544ae879f08ce9ddd12a38e3eecfc4196b9d

    Download Submit

  • /data/user/0/com.thumb.steak/app_DynamicOptDex/sA.json
    Filesize

    118KB

    MD5

    26fa0f83291d4580e90abd9afbe8801f

    SHA1

    909d65523a0ec26f954c90ad99ad32317283b7be

    SHA256

    08a2c2ddeea69bad4702f1ba127c8846ff989cb51b5fc21ee0e71b7df826f64a

    SHA512

    1e0bd965bac4933b5fc85982a4533e8e8ce595469aaef6639d5d63d25bf2e65d367a24023d724f625be2fdc3e9d49107b01ca8fe57791572f24fc3237412164d

    Download Submit