Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 08:02

General

  • Target

    742919cf56049170657c68af7a35a100.exe

  • Size

    25KB

  • MD5

    742919cf56049170657c68af7a35a100

  • SHA1

    adecc6c2e8cd9886918fde117973c80579f71ab5

  • SHA256

    87a76d4861ee691e2f95076d175246ae0497b4b17667a4061ed2283c0ac4f561

  • SHA512

    2f72a1f782ac982769d1afda0aaa18d84f0c460305eeade703e0d441c2919d42576649be8945e6ad3229ab5c4a9fd5555581da269ed9f75d1c5d2f1025e2a66b

  • SSDEEP

    384:hUmKnSZYRuVh7f0EYw+BrkylhOLX4+l6BU0NTy93SKUn:9uSZwuLD0xw3qOLo/lTyM7n

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\742919cf56049170657c68af7a35a100.exe
    "C:\Users\Admin\AppData\Local\Temp\742919cf56049170657c68af7a35a100.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\SysWOW64\clientex.exe
      "C:\Windows\system32\clientex.exe"
      2⤵
      • Executes dropped EXE
      PID:3772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\clientex.exe

    Filesize

    25KB

    MD5

    0337abf5abe1de481ff63f1d43f8eed5

    SHA1

    eaffcf2860049f1ba923b13cb2a62b9029d531a9

    SHA256

    c47918bd09000a7747dfd5bea46cb7f66c99a065ca5a4e1e3dbc2d212dd968b4

    SHA512

    371d425a156b0203b580d94e9b3914161bbd5873ccb1f409c505a5c2c45c228cd2851e463059bbdc9067108639ff0e07be84a950a75eb324702158099aa775fd