Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2023 03:10

General

  • Target

    4f283dddeb67ebdc38dae56f6fb6c7e4.exe

  • Size

    49KB

  • MD5

    4f283dddeb67ebdc38dae56f6fb6c7e4

  • SHA1

    c0b8f8033f0c9e142fd4e759c5e12cff81ba08de

  • SHA256

    8f14aff18a1b1cefa087859bb308a947c75eb5cec87faff952dcd5310d9fd4b8

  • SHA512

    a74803fd57cc944d0247eabbd0203ab1a5c98ee8438f40fa273886f5bf4c9b06c6424efcaaf5628f03931730aa7a4a1264719d6af5d4b7276e3ad9f931437453

  • SSDEEP

    768:o1lheHQLtf3ti0sn7Rssu4KF3iH2r7tBxTz:6lhegy/nhu4KF3g2r75Tz

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f283dddeb67ebdc38dae56f6fb6c7e4.exe
    "C:\Users\Admin\AppData\Local\Temp\4f283dddeb67ebdc38dae56f6fb6c7e4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\appdata\roaming\wupdmgr.exe
      "C:\Users\Admin\appdata\roaming\wupdmgr.exe"
      2⤵
      • Executes dropped EXE
      PID:1780
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del c:\users\admin\appdata\local\temp\4f283d~1.exe >nul
      2⤵
        PID:1524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\wupdmgr.exe

      Filesize

      49KB

      MD5

      4f283dddeb67ebdc38dae56f6fb6c7e4

      SHA1

      c0b8f8033f0c9e142fd4e759c5e12cff81ba08de

      SHA256

      8f14aff18a1b1cefa087859bb308a947c75eb5cec87faff952dcd5310d9fd4b8

      SHA512

      a74803fd57cc944d0247eabbd0203ab1a5c98ee8438f40fa273886f5bf4c9b06c6424efcaaf5628f03931730aa7a4a1264719d6af5d4b7276e3ad9f931437453

    • memory/4460-0-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB

    • memory/4460-9-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB