Analysis

  • max time kernel
    95s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 23:13

General

  • Target

    $PLUGINSDIR/modern-header.bmp

  • Size

    25KB

  • MD5

    a70c3979ab1716c84969eb73618ca7d7

  • SHA1

    f0b4c8c1b8c59aa0382ae4f65263a389a3cc3996

  • SHA256

    e6c5be8aba1f657fe77e8c9bbfac3536a69530aa5c1411cc3d6c235373203a46

  • SHA512

    3d0eba870b91f08a6e7b380d0137f6415d1184a77643521e7b2a01774272971853774b72517921a788ae7c606e3940c39fd36f03a7da76c972d1ef1adbc0e409

  • SSDEEP

    384:1oacST1ci4MZzWc5bgoUK+RQ0s6SLARs2v/C7zAkAFTqI+4TFWAWGQg5s:CaciEMZzPcoUK+a0sD52HCYkCTTmABw

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\modern-header.bmp
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\modern-header.bmp"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3268
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:4036

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads