Analysis

  • max time kernel
    42s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2022, 03:24

General

  • Target

    985b9bedb30d2b5ca1e49e17fe945faa21054620bb06e9652e5651840a0f528f.exe

  • Size

    2.1MB

  • MD5

    9d18e253e2e11468bbc2827e1cd6781f

  • SHA1

    bb05e6f701bd2536d0a948acddfd5e7e709bf78a

  • SHA256

    985b9bedb30d2b5ca1e49e17fe945faa21054620bb06e9652e5651840a0f528f

  • SHA512

    6a4c427277d45ffad28941fa41d6440074586ef5810ca9afd94fb83651f6700ffbf007317da7969a312a7cced5bd52e944f33b603adc0f9fd1ef7572a4ac2530

  • SSDEEP

    49152:EEsJnEevhTHZOyIbZdgCv1VnV6j9sf15P5XDsmA:EEwnESZW9dRTV6WBDsmA

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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\985b9bedb30d2b5ca1e49e17fe945faa21054620bb06e9652e5651840a0f528f.exe
    "C:\Users\Admin\AppData\Local\Temp\985b9bedb30d2b5ca1e49e17fe945faa21054620bb06e9652e5651840a0f528f.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1100
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2f0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1100-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

    Filesize

    8KB