Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 41 IoCs
  • Suspicious use of WriteProcessMemory 3 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:2732
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2732-0-0x0000000000310000-0x0000000000350000-memory.dmp

    Filesize

    256KB

  • memory/2732-1-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

    Filesize

    9.9MB

  • memory/2732-2-0x000000001A9D0000-0x000000001AA50000-memory.dmp

    Filesize

    512KB

  • memory/2732-3-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

    Filesize

    9.9MB