Analysis

  • max time kernel
    111s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2024, 17:16

General

  • Target
    DO70976789089.bat.exe
  • Size 1.1MB
  • Sample240711-vs4l3ayeld
  • SHA256 2378b6646124aefc8b0cc9856e9f155881705ee08a278125bde9e61519df39a6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 34 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DO70976789089.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\DO70976789089.bat.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\avenses\eupolyzoan.exe
      "C:\Users\Admin\AppData\Local\Temp\DO70976789089.bat.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3516
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\DO70976789089.bat.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4936

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        meshummad

        • Path C:\Users\Admin\AppData\Local\Temp\meshummad
        • Size 28KB
        • SHA256 9be9342ae97f4505cf5ab28f564ae30cb9067b66625523473a34927fa88bc476
        • MD5 SHA1 SHA512 SSDEEP

        unjust

        • Path C:\Users\Admin\AppData\Local\Temp\unjust
        • Size 224KB
        • SHA256 8c45ba2d3535055b58e7cbc6e693666d5d37bec1d61a65c7e637ac13a5f14a35
        • MD5 SHA1 SHA512 SSDEEP

        eupolyzoan.exe

        • Path C:\Users\Admin\AppData\Local\avenses\eupolyzoan.exe
        • Size 1.1MB
        • SHA256 2378b6646124aefc8b0cc9856e9f155881705ee08a278125bde9e61519df39a6
        • MD5 SHA1 SHA512 SSDEEP

        memory/916-10-0x0000000003FB0000-0x0000000003FB4000-memory.dmp

        memory/4936-28-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/4936-31-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/4936-30-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/4936-29-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/4936-32-0x000000007482E000-0x000000007482F000-memory.dmp

        memory/4936-33-0x00000000057D0000-0x000000000580A000-memory.dmp

        memory/4936-34-0x0000000074820000-0x0000000074FD0000-memory.dmp

        memory/4936-37-0x0000000074820000-0x0000000074FD0000-memory.dmp

        memory/4936-38-0x0000000074820000-0x0000000074FD0000-memory.dmp

        memory/4936-36-0x00000000058C0000-0x00000000058F8000-memory.dmp

        memory/4936-35-0x0000000005E30000-0x00000000063D4000-memory.dmp

        memory/4936-76-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-100-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-98-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-97-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-94-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-92-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-90-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-88-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-86-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-84-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-82-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-80-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-78-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-74-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-72-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-70-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-68-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-66-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-64-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-62-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-60-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-58-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-56-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-54-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-52-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-50-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-48-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-46-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-44-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-42-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-40-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-39-0x00000000058C0000-0x00000000058F3000-memory.dmp

        memory/4936-627-0x00000000059A0000-0x0000000005A3C000-memory.dmp

        memory/4936-628-0x0000000074820000-0x0000000074FD0000-memory.dmp

        memory/4936-629-0x0000000006B70000-0x0000000006BC0000-memory.dmp

        memory/4936-630-0x0000000006D90000-0x0000000006F52000-memory.dmp

        memory/4936-631-0x0000000006C60000-0x0000000006CF2000-memory.dmp

        memory/4936-632-0x0000000006C20000-0x0000000006C2A000-memory.dmp

        memory/4936-633-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/4936-634-0x000000007482E000-0x000000007482F000-memory.dmp

        memory/4936-635-0x0000000074820000-0x0000000074FD0000-memory.dmp