Resubmissions

16/12/2024, 22:35

241216-2hyrdssrer10

13/12/2024, 12:13

241213-pd9xmsxrcs10

Analysis

  • max time kernel
    134s
  • max time network
    151s
  • 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
    16/12/2024, 22:35

General

  • Target
    eb73dee8702ed7e3582e4d6ac3f47e74_JaffaCakes118.apk
  • Size 2.9MB
  • Sample241216-2hyrdssrer
  • SHA256 29e4bdd32b7f308d1a138dcff54c30ac11aa5c178f6e19fe413c7999fdb120a9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • alienbot

C2
  • http://194.163.136.78

rc4.plain

Extracted

Family
  • alienbot

C2
  • http://194.163.136.78

Signatures

  • Alienbot

    Alienbot is a fork of Cerberus banker first seen in January 2020.

  • Alienbot family
  • Cerberus

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

  • Cerberus family
  • Cerberus payload 2 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 3 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 account information for other applications stored on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect account information stored on the device.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • 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 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • 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 1 IoCs
  • 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.

  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • flock.trip.upper
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries account information for other applications stored 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 the mobile country code (MCC)
    • 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)
    • Schedules tasks to execute at a specified time
    • Checks CPU information
    • Checks memory information
    PID:4305
    • /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/flock.trip.upper/app_DynamicOptDex/wr.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/flock.trip.upper/app_DynamicOptDex/oat/x86/wr.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4329

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        wr.json.cur.prof

        • Path /data/data/flock.trip.upper/app_DynamicOptDex/oat/wr.json.cur.prof
        • Size 540B
        • SHA256 6f29064cf00e6dcf10fd5b4847a569840c8ef16ab9fe81470fa5af74faeaf529
        • MD5 SHA1 SHA512

        wr.json

        • Path /data/data/flock.trip.upper/app_DynamicOptDex/wr.json
        • Size 729KB
        • SHA256 935a133607090b950afe950a3a8715c6fa6d7b4cddb789e4a6a331dfa2b866ca
        • MD5 SHA1 SHA512 SSDEEP

        wr.json

        • Path /data/data/flock.trip.upper/app_DynamicOptDex/wr.json
        • Size 729KB
        • SHA256 4804a8c361bc4bac8c5dc7570eaecc28e1a6cc7cb98d8034214c94a071ae5bad
        • MD5 SHA1 SHA512 SSDEEP

        wr.json

        • Path /data/user/0/flock.trip.upper/app_DynamicOptDex/wr.json
        • Size 729KB
        • SHA256 21ec493370877d6f37f90d8f9e3884471d8865fc2916169e081fb84659ff8e3d
        • MD5 SHA1 SHA512 SSDEEP