Overview

overview

10

Static

static

10

beefa8b663...98.exe

windows7-x64

8

beefa8b663...98.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    139s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 01:21

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General

  • Target
    beefa8b66319f9f9e918e9b59f2abd98d5edd82d714f17072894e572ec003e98.exe
  • Size 76KB
  • Sample240613-bqnnaayfle
  • SHA256 beefa8b66319f9f9e918e9b59f2abd98d5edd82d714f17072894e572ec003e98
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
persistence

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Creates a Windows Service
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\beefa8b66319f9f9e918e9b59f2abd98d5edd82d714f17072894e572ec003e98.exe
    "C:\Users\Admin\AppData\Local\Temp\beefa8b66319f9f9e918e9b59f2abd98d5edd82d714f17072894e572ec003e98.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\beefa8b66319f9f9e918e9b59f2abd98d5edd82d714f17072894e572ec003e98.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • Runs ping.exe
        PID:1536
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SRDSLZ"
    1⤵
      PID:3380
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SRDSLZ"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\SysWOW64\SRDSLZ.exe
        C:\Windows\system32\SRDSLZ.exe "c:\program files (x86)\240599000.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4772

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

          240599000.dll
          • Path C:\Program Files (x86)\240599000.dll
          • Size 33KB
          • SHA256 54077b9108eb2d7c4a539e553fe2071b44698cdb39da6ef59c64025cf1111906
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          SRDSLZ.exe
          • Path C:\Windows\SysWOW64\SRDSLZ.exe
          • Size 60KB
          • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download