Analysis

  • max time kernel
    92s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 02:07

General

  • Target

    liquidação de fatura de pagamento.exe

  • Size

    2.3MB

  • MD5

    383574fcb2a1b030666cb7c3be603445

  • SHA1

    2fcf52b141d329798d4d9c6fc1c2b3326a8ccdc9

  • SHA256

    b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c

  • SHA512

    92f6bbb31d94f72e3fdf1396270563647f22f853828658ab9843616cb2d534ce2b3081df87bb2129bee267cfa83f8aaa7dfaf447a8d104a6c89ef049a4562e8a

  • SSDEEP

    24576:XNw5wQb8vxzKM8LKbaxrNzlEUBFs6JYH2oDXPtJv55njhYzuyKpraS7FFX:XNQbNEaxrNzl5FYJLtpxwuyuF

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:3440
      • C:\Users\Admin\AppData\Local\Temp\liquidação de fatura de pagamento.exe
        "C:\Users\Admin\AppData\Local\Temp\liquidação de fatura de pagamento.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:2288
      • 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:3304
        • 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:3808
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1848

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2288-0-0x000000007505E000-0x000000007505F000-memory.dmp

      Filesize

      4KB

    • memory/2288-1-0x0000000000A30000-0x0000000000C7C000-memory.dmp

      Filesize

      2.3MB

    • memory/2288-2-0x0000000005650000-0x0000000005738000-memory.dmp

      Filesize

      928KB

    • memory/2288-10-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-12-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-38-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-62-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-60-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-66-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-64-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-58-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-56-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-54-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-52-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-50-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-48-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-46-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-44-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-42-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-40-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-36-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-34-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-30-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-28-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-26-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-24-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-23-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-18-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-16-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-14-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-32-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-20-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-8-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-6-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-4-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-3-0x0000000005650000-0x0000000005731000-memory.dmp

      Filesize

      900KB

    • memory/2288-1077-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-1079-0x00000000057D0000-0x0000000005832000-memory.dmp

      Filesize

      392KB

    • memory/2288-1080-0x0000000005830000-0x000000000587C000-memory.dmp

      Filesize

      304KB

    • memory/2288-1078-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-1085-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-1084-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-1086-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-1087-0x00000000061E0000-0x0000000006784000-memory.dmp

      Filesize

      5.6MB

    • memory/2288-1088-0x0000000005980000-0x00000000059D4000-memory.dmp

      Filesize

      336KB

    • memory/2288-1091-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/3304-1092-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/3304-1093-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3304-1094-0x0000000004E00000-0x0000000004E9C000-memory.dmp

      Filesize

      624KB

    • memory/3304-1095-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB

    • memory/3304-1097-0x0000000075050000-0x0000000075800000-memory.dmp

      Filesize

      7.7MB