Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 13:00

General

  • Target

    secondslut.exe

  • Size

    229KB

  • MD5

    1d2a9064181fffe2ae21bb90c9691d2b

  • SHA1

    eb03952450e8f309fb04058759e142740eb08069

  • SHA256

    3d37df482191306f97b6a590305624e1316082e2b655812f4cda62641afd20e1

  • SHA512

    fd25b17d558304b816fdc76bdc979f0e054dd7090ee3051044ce3fa0ed4e1e1d059f447b412b0827d6897a43e21bda5d6e476b7ee2f78d8f3d233e9f04c82328

  • SSDEEP

    6144:FloZM3fsXtioRkts/cnnK6cMl97ERPlO2Zjc1niinbVb8e1moi:HoZ1tlRk83Ml97ERPlO2Zjc1niinZ2

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\secondslut.exe
    "C:\Users\Admin\AppData\Local\Temp\secondslut.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4492

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4112-0-0x00007FFCEFFE3000-0x00007FFCEFFE5000-memory.dmp

    Filesize

    8KB

  • memory/4112-1-0x0000021FDD380000-0x0000021FDD3C0000-memory.dmp

    Filesize

    256KB

  • memory/4112-2-0x00007FFCEFFE0000-0x00007FFCF0AA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4112-4-0x00007FFCEFFE0000-0x00007FFCF0AA1000-memory.dmp

    Filesize

    10.8MB