Analysis

  • max time kernel
    119s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:12

General

  • Target

    6f46a588081210caf9fc5f69f68daa1eb869bfb5658baaa201c7d9f466e3a00c.exe

  • Size

    228KB

  • MD5

    f0528ae31fc25783b362c035adf8f3e3

  • SHA1

    df94b2ec593862065aadcab27d04f132414c5b47

  • SHA256

    6f46a588081210caf9fc5f69f68daa1eb869bfb5658baaa201c7d9f466e3a00c

  • SHA512

    bf6e13c32904d4d1ee41dfe526ae68dae02e19f9ca6fcd147b8ccbf41b1bc5bc61dcd38b598dd94641c17226f48b887622fd1ac7ef4b9a2c0390c9b0097c4d6c

  • SSDEEP

    6144:xloZM+rIkd8g+EtXHkv/iD4jEh/t74szVKrd4UBG8Kb8e1mpi:DoZtL+EP8jEh/t74szVKrd4UBcT

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Umbral family
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f46a588081210caf9fc5f69f68daa1eb869bfb5658baaa201c7d9f466e3a00c.exe
    "C:\Users\Admin\AppData\Local\Temp\6f46a588081210caf9fc5f69f68daa1eb869bfb5658baaa201c7d9f466e3a00c.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2744

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2096-0-0x000007FEF5D23000-0x000007FEF5D24000-memory.dmp

    Filesize

    4KB

  • memory/2096-1-0x00000000001B0000-0x00000000001F0000-memory.dmp

    Filesize

    256KB

  • memory/2096-2-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

    Filesize

    9.9MB

  • memory/2096-3-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

    Filesize

    9.9MB