Analysis

  • max time kernel
    92s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2024, 11:44

General

  • Target

    7fc0b24b378f6975a87d91e1a858e022.exe

  • Size

    1.1MB

  • MD5

    7fc0b24b378f6975a87d91e1a858e022

  • SHA1

    d02a435d25c203f4ef0283c8050499d1da9bc943

  • SHA256

    bd88c2e27cb3bc893a90abcdaefea79c68fbd0301f250a724a9627a94351114a

  • SHA512

    760bafa5efef9a982a20e4e6f1f1f49ee508143ce204a4c50790266fbe3240a3e80763cbfaf249f6be51b46412546fdddca0209e6e46367de5986e6a79c6d464

  • SSDEEP

    24576:8vOsBgo0q4wM2BmCmTOUd+L6kgXWbI8K3ChBPCineGvFo:8GoHMKmCm6Ud+zgX3tvoe

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fc0b24b378f6975a87d91e1a858e022.exe
    "C:\Users\Admin\AppData\Local\Temp\7fc0b24b378f6975a87d91e1a858e022.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Users\Admin\AppData\Local\Temp\7fc0b24b378f6975a87d91e1a858e022.exe
      "C:\Users\Admin\AppData\Local\Temp\7fc0b24b378f6975a87d91e1a858e022.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 1808
        3⤵
        • Program crash
        PID:2932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3248 -ip 3248
    1⤵
      PID:944

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7fc0b24b378f6975a87d91e1a858e022.exe.log

            Filesize

            1KB

            MD5

            17573558c4e714f606f997e5157afaac

            SHA1

            13e16e9415ceef429aaf124139671ebeca09ed23

            SHA256

            c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

            SHA512

            f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

          • memory/684-8-0x0000000005110000-0x0000000005122000-memory.dmp

            Filesize

            72KB

          • memory/684-11-0x0000000006D90000-0x0000000006DFC000-memory.dmp

            Filesize

            432KB

          • memory/684-3-0x0000000005570000-0x0000000005B14000-memory.dmp

            Filesize

            5.6MB

          • memory/684-4-0x0000000005060000-0x00000000050F2000-memory.dmp

            Filesize

            584KB

          • memory/684-5-0x00000000051E0000-0x00000000051F0000-memory.dmp

            Filesize

            64KB

          • memory/684-6-0x0000000005030000-0x000000000503A000-memory.dmp

            Filesize

            40KB

          • memory/684-7-0x0000000005160000-0x00000000051B6000-memory.dmp

            Filesize

            344KB

          • memory/684-1-0x0000000074C40000-0x00000000753F0000-memory.dmp

            Filesize

            7.7MB

          • memory/684-2-0x0000000004F20000-0x0000000004FBC000-memory.dmp

            Filesize

            624KB

          • memory/684-9-0x0000000074C40000-0x00000000753F0000-memory.dmp

            Filesize

            7.7MB

          • memory/684-10-0x00000000051E0000-0x00000000051F0000-memory.dmp

            Filesize

            64KB

          • memory/684-12-0x0000000005540000-0x000000000556A000-memory.dmp

            Filesize

            168KB

          • memory/684-16-0x0000000074C40000-0x00000000753F0000-memory.dmp

            Filesize

            7.7MB

          • memory/684-0-0x0000000000460000-0x000000000058C000-memory.dmp

            Filesize

            1.2MB

          • memory/3248-13-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3248-17-0x0000000074C40000-0x00000000753F0000-memory.dmp

            Filesize

            7.7MB

          • memory/3248-18-0x00000000052C0000-0x00000000052D0000-memory.dmp

            Filesize

            64KB

          • memory/3248-19-0x0000000074C40000-0x00000000753F0000-memory.dmp

            Filesize

            7.7MB