Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-03-2024 17:37

General

  • Target

    0x000f0000000006fd-20.exe

  • Size

    227KB

  • MD5

    05c183f8c0d871d6081f1ea4096805e4

  • SHA1

    4a05aba815c8471fca4fcc9a789683385b0c24ca

  • SHA256

    eff59569967501a5e21ff3f8be9cc487e30d23e1538aeb121f9ab0955c308849

  • SHA512

    ef35359087662c4213f667c49182ab794fbb28dfe2a5b9e1fad5729e516b1ef08c2d7230a84e4808b693832d7b4ad43530377886cd2c993407a7fe38333ad347

  • SSDEEP

    6144:+loZMcrIkd8g+EtXHkv/iD4AoHV1DA0rVSjVg8ZTXwb8e1m/i:ooZDL+EP8AoHV1DA0rVSjVg8ZM1

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\0x000f0000000006fd-20.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000f0000000006fd-20.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:376

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/980-0-0x00000221AA580000-0x00000221AA5C0000-memory.dmp

    Filesize

    256KB

  • memory/980-1-0x00007FFF92DA0000-0x00007FFF93861000-memory.dmp

    Filesize

    10.8MB

  • memory/980-2-0x00000221C4A80000-0x00000221C4A90000-memory.dmp

    Filesize

    64KB

  • memory/980-4-0x00007FFF92DA0000-0x00007FFF93861000-memory.dmp

    Filesize

    10.8MB