Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 09:48

General

  • Target

    REQUEST FOR QUOTATION - PCIHBV2021MRP27220.exe

  • Size

    1.2MB

  • MD5

    bdacafc76193287481aacc058157b552

  • SHA1

    3f07cd8af332cc05e0faffb4b3abc673c1dbae94

  • SHA256

    ddc80f262bf86345a0be3981054a8bcc1b06635e948365ceeb159688afcb51ce

  • SHA512

    17be9b28d5a2d96e9414b8178589e9e8d0ce159ded86043c1eff061afdd87972fedd3e8e6dcada6dc297706306ce3ee2a10bcd5a86be6bba097c916b125ae172

  • SSDEEP

    24576:35MI676DO9fx8Dgyfx8Dg9AW9/gOiEpvWnNwDZFSL:3t676858Dgy58DgPoO1BWnCZU

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.fireacoustics.com
  • Port:
    587
  • Username:
    worshippersnake@fireacoustics.com
  • Password:
    _d:rzD~62Jxh
  • Email To:
    returnbox321@gmail.com

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION - PCIHBV2021MRP27220.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION - PCIHBV2021MRP27220.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:3996
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:864
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 1784
          3⤵
          • Program crash
          PID:4420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 864 -ip 864
      1⤵
        PID:1532

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/864-12-0x0000000000400000-0x0000000000424000-memory.dmp
        Filesize

        144KB

      • memory/864-17-0x0000000075100000-0x00000000758B0000-memory.dmp
        Filesize

        7.7MB

      • memory/864-16-0x0000000004FC0000-0x0000000004FD0000-memory.dmp
        Filesize

        64KB

      • memory/864-14-0x0000000075100000-0x00000000758B0000-memory.dmp
        Filesize

        7.7MB

      • memory/2852-4-0x0000000004FE0000-0x0000000004FF0000-memory.dmp
        Filesize

        64KB

      • memory/2852-5-0x0000000004D40000-0x0000000004D4A000-memory.dmp
        Filesize

        40KB

      • memory/2852-6-0x00000000050A0000-0x000000000513C000-memory.dmp
        Filesize

        624KB

      • memory/2852-7-0x0000000002650000-0x0000000002662000-memory.dmp
        Filesize

        72KB

      • memory/2852-8-0x0000000075100000-0x00000000758B0000-memory.dmp
        Filesize

        7.7MB

      • memory/2852-9-0x0000000004FE0000-0x0000000004FF0000-memory.dmp
        Filesize

        64KB

      • memory/2852-10-0x000000000B0F0000-0x000000000B178000-memory.dmp
        Filesize

        544KB

      • memory/2852-11-0x0000000005140000-0x0000000005164000-memory.dmp
        Filesize

        144KB

      • memory/2852-0-0x0000000075100000-0x00000000758B0000-memory.dmp
        Filesize

        7.7MB

      • memory/2852-15-0x0000000075100000-0x00000000758B0000-memory.dmp
        Filesize

        7.7MB

      • memory/2852-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp
        Filesize

        584KB

      • memory/2852-2-0x0000000005350000-0x00000000058F4000-memory.dmp
        Filesize

        5.6MB

      • memory/2852-1-0x0000000000260000-0x0000000000392000-memory.dmp
        Filesize

        1.2MB