Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 22:15

General

  • Target

    91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe

  • Size

    654KB

  • MD5

    ace7321f101fddbc56f6b8a1754c6480

  • SHA1

    d9d534d2ae693ef58f45cd1c8925639408839fbe

  • SHA256

    91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b

  • SHA512

    55fe40c3fb6e884086267370c928af043a4bcdbe6c75e9c879351458e8940299ff1abf0fe54421a3c2c44a0bb30a54979990fdd284a00b1ace501011a6a59dd2

  • SSDEEP

    12288:DW0TFYJW0Qya7OsO1Bq2G4qNQScuH8Vv8NhSAQkSHAC8GxLuyNJwF1:D7YJW0Qya7DO/qLNQ7r8NYAQNACRw

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe
    "C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4948
    • C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe
      "C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"
      2⤵
        PID:4980
      • C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe
        "C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4192
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2444
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2204

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3dpkqlej.yjh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1556-10-0x000000000ACB0000-0x000000000AD4C000-memory.dmp

      Filesize

      624KB

    • memory/1556-9-0x0000000008480000-0x00000000084E8000-memory.dmp

      Filesize

      416KB

    • memory/1556-4-0x0000000004E00000-0x0000000004E0A000-memory.dmp

      Filesize

      40KB

    • memory/1556-7-0x00000000748EE000-0x00000000748EF000-memory.dmp

      Filesize

      4KB

    • memory/1556-6-0x0000000005200000-0x000000000521C000-memory.dmp

      Filesize

      112KB

    • memory/1556-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp

      Filesize

      584KB

    • memory/1556-8-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1556-5-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1556-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

      Filesize

      4KB

    • memory/1556-1-0x00000000004B0000-0x0000000000558000-memory.dmp

      Filesize

      672KB

    • memory/1556-15-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1556-2-0x00000000053D0000-0x0000000005974000-memory.dmp

      Filesize

      5.6MB

    • memory/4192-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4192-14-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4192-62-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4192-29-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4948-16-0x0000000002340000-0x0000000002376000-memory.dmp

      Filesize

      216KB

    • memory/4948-49-0x0000000006C40000-0x0000000006CE3000-memory.dmp

      Filesize

      652KB

    • memory/4948-18-0x0000000004F90000-0x00000000055B8000-memory.dmp

      Filesize

      6.2MB

    • memory/4948-19-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4948-22-0x0000000004DB0000-0x0000000004E16000-memory.dmp

      Filesize

      408KB

    • memory/4948-34-0x0000000005880000-0x0000000005BD4000-memory.dmp

      Filesize

      3.3MB

    • memory/4948-23-0x0000000004ED0000-0x0000000004F36000-memory.dmp

      Filesize

      408KB

    • memory/4948-21-0x0000000004C90000-0x0000000004CB2000-memory.dmp

      Filesize

      136KB

    • memory/4948-35-0x0000000005C50000-0x0000000005C6E000-memory.dmp

      Filesize

      120KB

    • memory/4948-17-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4948-37-0x0000000006220000-0x0000000006252000-memory.dmp

      Filesize

      200KB

    • memory/4948-38-0x0000000070310000-0x000000007035C000-memory.dmp

      Filesize

      304KB

    • memory/4948-48-0x0000000006260000-0x000000000627E000-memory.dmp

      Filesize

      120KB

    • memory/4948-20-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4948-50-0x00000000075C0000-0x0000000007C3A000-memory.dmp

      Filesize

      6.5MB

    • memory/4948-51-0x0000000006F80000-0x0000000006F9A000-memory.dmp

      Filesize

      104KB

    • memory/4948-52-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

      Filesize

      40KB

    • memory/4948-53-0x0000000007200000-0x0000000007296000-memory.dmp

      Filesize

      600KB

    • memory/4948-54-0x0000000007180000-0x0000000007191000-memory.dmp

      Filesize

      68KB

    • memory/4948-55-0x00000000071B0000-0x00000000071BE000-memory.dmp

      Filesize

      56KB

    • memory/4948-56-0x00000000071C0000-0x00000000071D4000-memory.dmp

      Filesize

      80KB

    • memory/4948-57-0x00000000072C0000-0x00000000072DA000-memory.dmp

      Filesize

      104KB

    • memory/4948-58-0x00000000072A0000-0x00000000072A8000-memory.dmp

      Filesize

      32KB

    • memory/4948-61-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4948-36-0x0000000005CA0000-0x0000000005CEC000-memory.dmp

      Filesize

      304KB