Analysis

  • max time kernel
    46s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

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

General

  • Target

    998747802cabc9b3839f6375e1c5f326f00adfce86d043b38889cfa18f80f9b8.exe

  • Size

    1.4MB

  • MD5

    bd4fe4e8dba15484e7bcae70bf953abb

  • SHA1

    ec6b9c3c1a65f7d7c6a7021cc8b854c8d0761e5a

  • SHA256

    998747802cabc9b3839f6375e1c5f326f00adfce86d043b38889cfa18f80f9b8

  • SHA512

    f24be8c22b3a92d6d7ddf10a6ed577d9ba755371400c245825ce18d99a9fc0786c79de67557c5f83ea37dac82ba2eb47d95a221ff1d5cd6400f461e4eeae5a31

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gk8NaUeNbht1QxOH2lGwsTa:EEsJnEevhTHZOy3NgbhIGKGS

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\998747802cabc9b3839f6375e1c5f326f00adfce86d043b38889cfa18f80f9b8.exe
    "C:\Users\Admin\AppData\Local\Temp\998747802cabc9b3839f6375e1c5f326f00adfce86d043b38889cfa18f80f9b8.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1680
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x560
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1680-54-0x0000000075281000-0x0000000075283000-memory.dmp

    Filesize

    8KB