Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 03:00

General

  • Target

    f0c753a428d035619e6a46bcc8c9ddb5355726c36ac6ec2a824c5af81f59382e.exe

  • Size

    906KB

  • MD5

    77a41ebfab82681b7f762911ba39a01c

  • SHA1

    12df01ec2051ec7482acb562952324373301a866

  • SHA256

    f0c753a428d035619e6a46bcc8c9ddb5355726c36ac6ec2a824c5af81f59382e

  • SHA512

    9f87620a1c231d40d303e57e9fd53a39803ff362bffefe09ce1476893af78f657d1833782ce8bb3dff8fd4068db2441048bdd652f1faa245f3c8ac1351b0ac53

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9g20q:EEsJnEevhTHZOyo

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\f0c753a428d035619e6a46bcc8c9ddb5355726c36ac6ec2a824c5af81f59382e.exe
    "C:\Users\Admin\AppData\Local\Temp\f0c753a428d035619e6a46bcc8c9ddb5355726c36ac6ec2a824c5af81f59382e.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:536
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x52c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/536-54-0x0000000076831000-0x0000000076833000-memory.dmp

    Filesize

    8KB