Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 14:28

General

  • Target

    f3ae5084244b18b1eb956fd8729b39db_JaffaCakes118.exe

  • Size

    2.3MB

  • MD5

    f3ae5084244b18b1eb956fd8729b39db

  • SHA1

    50b0e84f2fc1be5c852747e721056b0b95162ecb

  • SHA256

    6b45587225d63562c0ac77d9134974686ff612743ce70b0c12183970275198b4

  • SHA512

    31e964428c51c120c913be3cccd092607605adf2856ef22d83424a6c71c889c7284de617df8cbbec1e9a469a8d1602148cbf5f8a9dd7e0cafc966e5156352bf7

  • SSDEEP

    12288:s2MN/vK6kaQ0iN9M+LTcQQ++fNvZl2eXNPnrEdrE:00n4+LYz++fflxXN/odo

Score
10/10

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    budgetn.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    r[]w2e=V+]AV

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3ae5084244b18b1eb956fd8729b39db_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f3ae5084244b18b1eb956fd8729b39db_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c
      2⤵
        PID:3208
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:2300
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\noot\noot.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3916
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\noot\noot.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:2776
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f3ae5084244b18b1eb956fd8729b39db_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\noot\noot.exe"
        2⤵
          PID:4544

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2300-6-0x0000000000400000-0x000000000047A000-memory.dmp

        Filesize

        488KB

      • memory/2300-8-0x0000000000400000-0x000000000047A000-memory.dmp

        Filesize

        488KB

      • memory/2300-11-0x0000000000400000-0x000000000047A000-memory.dmp

        Filesize

        488KB

      • memory/2816-0-0x0000000074D90000-0x0000000075540000-memory.dmp

        Filesize

        7.7MB

      • memory/2816-1-0x0000000000430000-0x000000000068E000-memory.dmp

        Filesize

        2.4MB

      • memory/2816-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

        Filesize

        5.6MB

      • memory/2816-3-0x0000000005100000-0x0000000005192000-memory.dmp

        Filesize

        584KB

      • memory/2816-4-0x0000000002B20000-0x0000000002B30000-memory.dmp

        Filesize

        64KB

      • memory/2816-5-0x00000000054B0000-0x00000000054BA000-memory.dmp

        Filesize

        40KB

      • memory/2816-12-0x0000000074D90000-0x0000000075540000-memory.dmp

        Filesize

        7.7MB

      • memory/2816-13-0x0000000002B20000-0x0000000002B30000-memory.dmp

        Filesize

        64KB