Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 14:28

General

  • Target

    0x000a000000012248-8.exe

  • Size

    232KB

  • MD5

    4867d27de23cded5f2229c322bf6f3fe

  • SHA1

    04cd16ac5d6a2f5b7bc1db8cdefd128d0f6c2fe1

  • SHA256

    94357a5e0e0d52490a07fffd0a8940f7ffdf25acb16602d83120fc99722f88eb

  • SHA512

    b7ced6d7a420c55813388755d765a015cb65c6393cdeffaff4be6cb7c00845434161a3282ce7d316800da42766d9c309487dc2e96b74340f47b20032632f8909

  • SSDEEP

    6144:iloZM7rIkd8g+EtXHkv/iD4j9TBMS1Nm3zus9x4yqb8e1mBi:soZ0L+EP8j9TBMS1Nm3zus9x4FL

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\0x000a000000012248-8.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000a000000012248-8.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3036

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1984-0-0x000007FEF5863000-0x000007FEF5864000-memory.dmp

    Filesize

    4KB

  • memory/1984-1-0x0000000000D90000-0x0000000000DD0000-memory.dmp

    Filesize

    256KB

  • memory/1984-2-0x000007FEF5860000-0x000007FEF624C000-memory.dmp

    Filesize

    9.9MB

  • memory/1984-3-0x000007FEF5860000-0x000007FEF624C000-memory.dmp

    Filesize

    9.9MB