Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 08:04

General

  • Target

    f67268d2659ceb1e8cf8a7560784372294bcd8f249f7c0efdf33216722a5f0bbN.exe

  • Size

    229KB

  • MD5

    56c788116da32ec8e9ac3b1b0e66b520

  • SHA1

    545f203f2bdf6fac2f131a76a5f36e21637b27ca

  • SHA256

    f67268d2659ceb1e8cf8a7560784372294bcd8f249f7c0efdf33216722a5f0bb

  • SHA512

    7da85b8e5f92f4a448a10f5c60c21f46b3eb511fda461b15956339ca7130c901e05ad58856a3a3903cdb52b81c4051d3bb0222e87aefab87136351d1ff01734f

  • SSDEEP

    6144:9loZM+rIkd8g+EtXHkv/iD4NFWuSQPL4PBECDjaawjmb8e1mmSsi:foZtL+EP8NFWuSQPL4PBECDjaEm

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\f67268d2659ceb1e8cf8a7560784372294bcd8f249f7c0efdf33216722a5f0bbN.exe
    "C:\Users\Admin\AppData\Local\Temp\f67268d2659ceb1e8cf8a7560784372294bcd8f249f7c0efdf33216722a5f0bbN.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4108-0-0x00007FFE55323000-0x00007FFE55325000-memory.dmp

    Filesize

    8KB

  • memory/4108-1-0x0000029B80CB0000-0x0000029B80CF0000-memory.dmp

    Filesize

    256KB

  • memory/4108-2-0x00007FFE55320000-0x00007FFE55DE1000-memory.dmp

    Filesize

    10.8MB

  • memory/4108-4-0x00007FFE55320000-0x00007FFE55DE1000-memory.dmp

    Filesize

    10.8MB