Analysis

  • max time kernel
    2118661s
  • max time network
    160s
  • platform
    android_x64
  • resource
    android-x64-arm64-20230621-en
  • submitted
    22/07/2023, 15:36

General

  • Target
    198c4a59bf297fdccf31d05fc41b0720c8d5c3817c590d714f2c4a5b973f8c31.apk
  • Size 541KB
  • Sample230722-s2az1abc63
  • SHA256 198c4a59bf297fdccf31d05fc41b0720c8d5c3817c590d714f2c4a5b973f8c31
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://193.42.32.180/ZjU3NWNhYzE5Mzhm/

  • https://saldirmorukss222.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmorukss122.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruk4ss22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruks6s22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruk7ss22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruks8s22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmorukss2322.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruksas282.net/ZjU3NWNhYzE5Mzhm/

AES_key

Signatures

  • Octo

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

  • Octo payload 3 IoCs
  • Makes use of the framework's Accessibility service. 2 IoCs
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs
  • Acquires the wake lock. 1 IoCs
  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Reads information about phone network operator.
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

Processes

  • com.fewwestcj
    1⤵
    • Makes use of the framework's Accessibility service.
    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
    • Acquires the wake lock.
    • Loads dropped Dex/Jar
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:4359

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .qcom.fewwestcj

        • Path /data/user/0/com.fewwestcj/.qcom.fewwestcj
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        aoumhk

        • Path /data/user/0/com.fewwestcj/cache/aoumhk
        • Size 450KB
        • SHA256 6b440e06915dc49e6e4431cd5cf2277569dcb590ba84321660af6150230d1c6f
        • MD5 SHA1 SHA512 SSDEEP

        aoumhk

        • Path /data/user/0/com.fewwestcj/cache/aoumhk
        • Size 450KB
        • SHA256 6b440e06915dc49e6e4431cd5cf2277569dcb590ba84321660af6150230d1c6f
        • MD5 SHA1 SHA512 SSDEEP

        aoumhk

        • Path /data/user/0/com.fewwestcj/cache/aoumhk
        • Size 450KB
        • SHA256 6b440e06915dc49e6e4431cd5cf2277569dcb590ba84321660af6150230d1c6f
        • MD5 SHA1 SHA512 SSDEEP

        main.xml

        • Path /data/user/0/com.fewwestcj/shared_prefs/main.xml
        • Size 131B
        • SHA256 b26a7da0f5f74d52df8df0d7716e39c4f5dedb5e89d089735793ccea22279e7c
        • MD5 SHA1 SHA512

        main.xml

        • Path /data/user/0/com.fewwestcj/shared_prefs/main.xml
        • Size 7KB
        • SHA256 1b5a652e1745fa04bc029851d349ecfa7803762bc46eaa7e8e65fa80aa797da1
        • MD5 SHA1 SHA512 SSDEEP