Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 21:21

General

  • Target

    MurderMystery2.exe

  • Size

    229KB

  • MD5

    1b67613acd248f0e4c796ad90010d77d

  • SHA1

    b2bff460a7c8a8a2c4d78d94dc2f7c72757c2369

  • SHA256

    6e60848ac42fa7cd71721ce243fd582fb931fd66924eb9537bc01b30c8f8c536

  • SHA512

    2c2c1ce74703e4613bf1d0257fe517a892238b961d7212888922d683d3338689c6620b6a9c12781d6c7654dbc79b642a83b7119cb0640575c5cb1fe0beb66fee

  • SSDEEP

    6144:lloZM+rIkd8g+EtXHkv/iD4VPV7xfEY3+mfh8ItM5Ub8e1mJi:noZtL+EP8VPV7xfEY3+mfh8ItFn

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MurderMystery2.exe
    "C:\Users\Admin\AppData\Local\Temp\MurderMystery2.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2108
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1428 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3156

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4156-0-0x00007FFD774B3000-0x00007FFD774B5000-memory.dmp

      Filesize

      8KB

    • memory/4156-1-0x0000020D627A0000-0x0000020D627E0000-memory.dmp

      Filesize

      256KB

    • memory/4156-2-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

      Filesize

      10.8MB

    • memory/4156-4-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

      Filesize

      10.8MB