Resubmissions

06/08/2024, 02:52

240806-dctcqa1fkb10

05/08/2024, 12:22

240805-pj17pawarp10

16/02/2024, 22:02

240216-1xvslsga9w10

Analysis

  • max time kernel
    328s
  • max time network
    332s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    06/08/2024, 02:52

General

  • Target
    e4da0d55ef12c2fb37b36332c40d0a552e89057426badc038346da6a0ad358b7.apk
  • Size 220KB
  • Sample240806-dctcqa1fkb
  • SHA256 e4da0d55ef12c2fb37b36332c40d0a552e89057426badc038346da6a0ad358b7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://91.92.242.11:7117/gate/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • 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 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.adaxffsfzfada.zbsvxgsvbxhdgs
    1⤵
    • Removes its main activity from the application launcher
    • Makes use of the framework's Accessibility service
    • 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 accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests modifying system settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4218

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        kl.txt

        • Path /data/data/com.adaxffsfzfada.zbsvxgsvbxhdgs/kl.txt
        • Size 28B
        • SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.adaxffsfzfada.zbsvxgsvbxhdgs/kl.txt
        • Size 242B
        • SHA256 8e27f276b6fd9d0533b3b9d5dcbe762d628fc8f1a73b27c07a1e025425508254
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.adaxffsfzfada.zbsvxgsvbxhdgs/kl.txt
        • Size 63B
        • SHA256 d67418a3a4098a9033e0706b6c6823cf2cb17efa26744d993192455b90c8ea66
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.adaxffsfzfada.zbsvxgsvbxhdgs/kl.txt
        • Size 54B
        • SHA256 dd90cb6ed03e9a0a40f832fa0628a110e1cfbb88dc6c024c064b84541242e270
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.adaxffsfzfada.zbsvxgsvbxhdgs/kl.txt
        • Size 447B
        • SHA256 cfb18e979e7d603dbf993e508e3529c4dc59c008b31d099c8bb334ad8e0f98aa
        • MD5 SHA1 SHA512