Analysis

  • max time kernel
    82s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2022 18:31

General

  • Target

    e7a5b309eb29bc3d073011f3c8a7c62b62d311cfe216925a2aee5aed2a4ee2ff.exe

  • Size

    976KB

  • MD5

    a03a9d2015e66f5e036405a74a914172

  • SHA1

    a83dbd8131334ae9f37c2fe5c096a15727a0409e

  • SHA256

    e7a5b309eb29bc3d073011f3c8a7c62b62d311cfe216925a2aee5aed2a4ee2ff

  • SHA512

    56a56e0f356ec5519de4c93656abf9ba1c6d9cedcd535ba6d29daa8dbbdd8a586f5e5f299b0342c69aa2618f3d1d0cd68388df224148e8848c2c5274decef705

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gT7GydOwRp:EEsJnEevhTHZOyhdOwv

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7a5b309eb29bc3d073011f3c8a7c62b62d311cfe216925a2aee5aed2a4ee2ff.exe
    "C:\Users\Admin\AppData\Local\Temp\e7a5b309eb29bc3d073011f3c8a7c62b62d311cfe216925a2aee5aed2a4ee2ff.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1336
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x570
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1336-54-0x00000000762D1000-0x00000000762D3000-memory.dmp

    Filesize

    8KB