Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 16:44

General

  • Target

    Loader(1).exe

  • Size

    495KB

  • MD5

    6c200e0e8ddc021a16094bd07c17b1b6

  • SHA1

    faa1dba99441d84898171d9ec2962955235183e9

  • SHA256

    837e540ab292132a621130757c1d5f1738f83e44568847e9278472eac3dc3046

  • SHA512

    bd5e8d976dbdad7d8f5511d777a0998f3d831054b7d3dad2d0a9969ddd622a519b63c1b06b677fef16c90f9ed9de226b25be6ca5f11752a053d6669ce726a15f

  • SSDEEP

    12288:doZ1tlRk83MlgvNh0ad1+F7mEl5Qw5nTiii/Izoqs2PiixJ:G5r39Nh0ad1+F7mEl5QwFzoqs2

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\Loader(1).exe
    "C:\Users\Admin\AppData\Local\Temp\Loader(1).exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4468
  • 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=4072 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2344

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3220-0-0x00007FFE6DE93000-0x00007FFE6DE95000-memory.dmp

      Filesize

      8KB

    • memory/3220-1-0x0000023F94E40000-0x0000023F94EC2000-memory.dmp

      Filesize

      520KB

    • memory/3220-2-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

      Filesize

      10.8MB

    • memory/3220-4-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

      Filesize

      10.8MB