Resubmissions

28/09/2026, 15:56

260928-tdk1qsyvfy10

28/09/2026, 15:44

260928-s6pzqaytas10

28/09/2026, 11:33

260928-nn7dtstwev10

05/11/2024, 17:52

241105-wf7cvsvhqa10

08/10/2024, 22:02

241008-1xzrka1ekq8

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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
    05/11/2024, 17:52

General

  • Target
    final-signed.apk
  • Size 2.4MB
  • Sample241105-wf7cvsvhqa
  • SHA256 136d00629e8cd59a6be639b0eaef925fd8cd68cbcbdb71a3a407836c560b8579
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • errorfather

Botnet
  • r0v00uv3bmh2

C2
  • http://cmsspain.homes

Signatures

  • ErrorFather

    ErrorFather is an Android banking trojan based on Cerberus first seen in October 2024.

  • ErrorFather payload 1 IoCs
  • Errorfather family
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 5 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

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

  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 2 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • excess.undrilled.improper.crushing
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    PID:4304
    • /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/data/excess.undrilled.improper.crushing/code_cache/decrypted.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/data/excess.undrilled.improper.crushing/code_cache/oat/x86/decrypted.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4331
  • excess.undrilled.improper.crushing:webview_process
    1⤵
    • Loads dropped Dex/Jar
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4360

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

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        Downloads

        decrypted.dex

        • Path /data/data/excess.undrilled.improper.crushing/code_cache/decrypted.dex
        • Size 975KB
        • SHA256 09e3db729b16cf271d9be99996334422b372bafaae9ba95f65828c5b2bc97d34
        • MD5 SHA1 SHA512 SSDEEP

        decrypted.dex

        • Path /data/data/excess.undrilled.improper.crushing/code_cache/decrypted.dex
        • Size 975KB
        • SHA256 2d217f39b0abb2c9c16783af3a2327b52d189f3d5ac479efefaaa982998a8c20
        • MD5 SHA1 SHA512 SSDEEP