Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 02:46

General

  • Target

    71bbeec72c96c9be1a3b7d44792fe3f5a193095b87e0d0fc1cb7abc40518298c.exe

  • Size

    1.5MB

  • MD5

    7eea5939e4da8e6da26edd0210eb804f

  • SHA1

    b6f3f6cd6e140dece491b011f381c02a7132689b

  • SHA256

    71bbeec72c96c9be1a3b7d44792fe3f5a193095b87e0d0fc1cb7abc40518298c

  • SHA512

    802786fc48e11b5abd9d92bd1df778b8aea5b58a0a9b9e457acde8489aa4ae36d1412528fe751b26027f8a66bf2c23cb1f5301b7772bfdeb4c24621362104ffd

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9ggc0WDxFxiNbZXsaFcnuS8gH5A:EEsJnEevhTHZOygcLxit6wvsAN

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies registry class 10 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71bbeec72c96c9be1a3b7d44792fe3f5a193095b87e0d0fc1cb7abc40518298c.exe
    "C:\Users\Admin\AppData\Local\Temp\71bbeec72c96c9be1a3b7d44792fe3f5a193095b87e0d0fc1cb7abc40518298c.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:968
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x52c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/968-54-0x0000000076831000-0x0000000076833000-memory.dmp

    Filesize

    8KB