Overview

overview

10

Static

static

3

2578debd23...18.exe

windows7-x64

10

2578debd23...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 15:22

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General

  • Target
    2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
  • Size 325KB
  • Sample240508-sr4vbsah2x
  • SHA256 0f4e7faf833c30ed300efa46b4b1d083523d48ec2864f110d2a2d5b47eb67a72
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xpertratgroupevasionrattrojan

Malware Config

Extracted

Family

  • xpertrat

Version

  • 3.0.10

Botnet

  • Group

C2

  • 46.183.220.104:10101

Mutex

  • K8P3I007-I4G2-R2U0-V0G8-T1Q3K5W771L5

Signatures

  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 1 IoCs
    evasiontrojan
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

    ratxpertrat
  • XpertRAT Core payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 1 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:3252
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
        3⤵
          PID:4356
      • C:\Users\Admin\AppData\Roaming\tmp.exe
        "C:\Users\Admin\AppData\Roaming\tmp.exe"
        2⤵
        • UAC bypass
        • Windows security bypass
        • Executes dropped EXE
        • Windows security modification
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:4764
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Users\Admin\AppData\Roaming\tmp.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1012
      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
        "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
        2⤵
        • Executes dropped EXE
        PID:1908
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 300
          3⤵
          • Delays execution with timeout.exe
          PID:440

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          svhost.exe
          • Path C:\Users\Admin\AppData\Local\Temp\svhost.exe
          • Size 1.6MB
          • SHA256 e8b5da3394bbdd7868122ffd88d9d06afe31bd69d656857910d2f820c32d0efa
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          name.exe
          • Path C:\Users\Admin\AppData\Roaming\FolderN\name.exe
          • Size 325KB
          • SHA256 0f4e7faf833c30ed300efa46b4b1d083523d48ec2864f110d2a2d5b47eb67a72
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          name.exe.bat
          • Path C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
          • Size 189B
          • SHA256 413b4ee68f5400fcd30ae5df957d723989b400637dbc7f5d158fa050bdc20743
          • MD5 SHA1 SHA512
          Submit Download

          tmp.exe
          • Path C:\Users\Admin\AppData\Roaming\tmp.exe
          • Size 172KB
          • SHA256 4c4b3ad8895c8ea779e3e359b8f3610f061d4d865170e32b7af648ff0268e2b8
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/1012-31-0x0000000000400000-0x0000000000443000-memory.dmp
          Download

          memory/1104-0-0x0000000074A62000-0x0000000074A63000-memory.dmp
          Download

          memory/1104-1-0x0000000074A60000-0x0000000075011000-memory.dmp
          Download

          memory/1104-2-0x0000000074A60000-0x0000000075011000-memory.dmp
          Download

          memory/1104-37-0x0000000074A60000-0x0000000075011000-memory.dmp
          Download

          memory/1908-26-0x00000000005D0000-0x00000000005FC000-memory.dmp
          Download