Analysis

  • max time kernel
    94s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 10:52

General

  • Target

    Ref_336210627.exe

  • Size

    179KB

  • MD5

    bd22f0c99670c51675ebb91843db7181

  • SHA1

    8d290ff02196024b6ae7a564172a29e73e00de7d

  • SHA256

    8921e9e55861c043b028cee713316efd923aff62fca9abb2e7cc7eb3092063e3

  • SHA512

    255968a80a157bd6e37bb780cf69849c2dc829830d1bc0ae011b70be5bef888b3a7d6590a384e3456dbeb43fdcedf7dc09f7c753806d87973ca154659afe7b91

  • SSDEEP

    3072:EuV8gCfET/JXYoqbo81ZvFe3sf8Y1DXylHyoWmbdyFQgrqyYTXrDD62zU/s:EWIf4XYtz1ZvFe3sf1XylSioFgTjh9

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3472
      • C:\Users\Admin\AppData\Local\Temp\Ref_336210627.exe
        "C:\Users\Admin\AppData\Local\Temp\Ref_336210627.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4868
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3908
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1808
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4184

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3908-1094-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3908-1095-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3908-1096-0x0000000005040000-0x00000000050DC000-memory.dmp

      Filesize

      624KB

    • memory/3908-1097-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3908-1099-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-41-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-1085-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-2-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-3-0x0000000006100000-0x00000000061E8000-memory.dmp

      Filesize

      928KB

    • memory/4868-5-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-4-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-15-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-61-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-67-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-65-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-63-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-59-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-57-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-55-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-37-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-51-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-47-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-45-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-43-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-39-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-49-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

      Filesize

      4KB

    • memory/4868-53-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-1-0x0000000000D60000-0x0000000000D8E000-memory.dmp

      Filesize

      184KB

    • memory/4868-13-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-31-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-29-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-27-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-25-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-23-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-21-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-19-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-33-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-11-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-9-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-7-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-17-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-1078-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-1079-0x0000000006360000-0x00000000063C2000-memory.dmp

      Filesize

      392KB

    • memory/4868-1080-0x0000000006240000-0x000000000628C000-memory.dmp

      Filesize

      304KB

    • memory/4868-1084-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-1086-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

      Filesize

      4KB

    • memory/4868-35-0x0000000006100000-0x00000000061E1000-memory.dmp

      Filesize

      900KB

    • memory/4868-1087-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-1088-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-1089-0x0000000006CA0000-0x0000000007244000-memory.dmp

      Filesize

      5.6MB

    • memory/4868-1090-0x0000000006490000-0x00000000064E4000-memory.dmp

      Filesize

      336KB

    • memory/4868-1093-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB