Analysis

  • max time kernel
    148s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 14:55

General

  • Target

    8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe

  • Size

    772KB

  • MD5

    d064646721e6e070b61daecc9396bd63

  • SHA1

    aa6194967f091d6ad78ee72b937dde20a89fcfb9

  • SHA256

    8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9

  • SHA512

    b3eaedec7c2007a0fc5f1ce3d726a13bc9a69d6dbcd1f2db05a7db023917a02f533626a1c79648d613f014c17b358d70fb714b1939bd329d01113f0348bcbbd1

  • SSDEEP

    12288:dJpHCmbibyjK567+fJzJjIOppNcTB+iIPsMI:ZCtyjK5QyJjIGpNcT+P

Malware Config

Extracted

Family

snakekeylogger

C2

http://varders.kozow.com:8081

http://aborters.duckdns.org:8081

http://anotherarmy.dns.army:8081

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe
    "C:\Users\Admin\AppData\Local\Temp\8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2500
      • 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\RegAsm.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3300
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:4032
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2632

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1680-0-0x00000000747D0000-0x0000000074F80000-memory.dmp

              Filesize

              7.7MB

            • memory/1680-1-0x0000000000940000-0x0000000000A06000-memory.dmp

              Filesize

              792KB

            • memory/1680-2-0x00000000747D0000-0x0000000074F80000-memory.dmp

              Filesize

              7.7MB

            • memory/1680-3-0x00000000054A0000-0x00000000054B0000-memory.dmp

              Filesize

              64KB

            • memory/1680-4-0x0000000005440000-0x0000000005494000-memory.dmp

              Filesize

              336KB

            • memory/1680-5-0x0000000005C60000-0x0000000006204000-memory.dmp

              Filesize

              5.6MB

            • memory/1680-6-0x0000000005790000-0x0000000005822000-memory.dmp

              Filesize

              584KB

            • memory/1680-7-0x00000000054A0000-0x00000000054B0000-memory.dmp

              Filesize

              64KB

            • memory/1680-8-0x00000000012A0000-0x000000000133C000-memory.dmp

              Filesize

              624KB

            • memory/1680-9-0x0000000000EF0000-0x0000000000EF8000-memory.dmp

              Filesize

              32KB

            • memory/1680-12-0x00000000747D0000-0x0000000074F80000-memory.dmp

              Filesize

              7.7MB

            • memory/2500-13-0x0000000000180000-0x00000000001A6000-memory.dmp

              Filesize

              152KB

            • memory/2500-14-0x00000000747D0000-0x0000000074F80000-memory.dmp

              Filesize

              7.7MB

            • memory/2500-15-0x0000000004D00000-0x0000000004D10000-memory.dmp

              Filesize

              64KB

            • memory/2500-16-0x00000000747D0000-0x0000000074F80000-memory.dmp

              Filesize

              7.7MB

            • memory/2500-18-0x00000000747D0000-0x0000000074F80000-memory.dmp

              Filesize

              7.7MB