Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 12:49

General

  • Target

    zo8te6drqw48.exe

  • Size

    229KB

  • MD5

    9fb79b64e211bf78f02edefb2fa6f136

  • SHA1

    086ebd2aaf590d079d5d20d4221c327182f722bd

  • SHA256

    575873f69fb54dccf0efa875edc3955b1c0db5fc68b1df3d5bba19f2fa17c833

  • SHA512

    a5effa1f5fede310a397c149b754a227f833b3d955eabc860acbc91c2ab7b923253d53125cfc32b255d0a5a97d9271d7523bcd8188390a7b08c509d90ba35c33

  • SSDEEP

    6144:9loZM+rIkd8g+EtXHkv/iD4Yh5RYe5xygXKYZd8Tlxb8e1mqci:foZtL+EP8Yh5RYe5xygXKYZd8fN1

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\zo8te6drqw48.exe
    "C:\Users\Admin\AppData\Local\Temp\zo8te6drqw48.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2552

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1460-0-0x0000000000F90000-0x0000000000FD0000-memory.dmp

    Filesize

    256KB

  • memory/1460-1-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

    Filesize

    9.9MB

  • memory/1460-2-0x0000000000E50000-0x0000000000ED0000-memory.dmp

    Filesize

    512KB

  • memory/1460-3-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

    Filesize

    9.9MB