Analysis

  • max time kernel
    153s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2022 22:02

General

  • Target

    979f04c7e8fd04272c075b8bb3a94a30907d3cb64c92cf0738716dfbce922bda.exe

  • Size

    3.4MB

  • MD5

    70531d6e1a95da16af4c88efc28f99d8

  • SHA1

    accbc2807c83a74f25fb6dec212d4ef89383f216

  • SHA256

    979f04c7e8fd04272c075b8bb3a94a30907d3cb64c92cf0738716dfbce922bda

  • SHA512

    cffaaf67743b480be400eec338472922e6969c851d22eca842ad811b09248d9f629b045c25e75a73a72a2b41b1a7218a363046bd4b971513bc97c07ca8fe2519

  • SSDEEP

    98304:EEwnESZ0Y1Hac1817NolWVvJ5g9coT+md7Tk:ZVYL666B5g9LTVm

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\979f04c7e8fd04272c075b8bb3a94a30907d3cb64c92cf0738716dfbce922bda.exe
    "C:\Users\Admin\AppData\Local\Temp\979f04c7e8fd04272c075b8bb3a94a30907d3cb64c92cf0738716dfbce922bda.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1452
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x1fc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1452-54-0x0000000075041000-0x0000000075043000-memory.dmp

    Filesize

    8KB