Analysis

  • max time kernel
    72s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 08:35

General

  • Target

    915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe

  • Size

    497KB

  • MD5

    7dd5da0fe50d0c14b4bd2f4ae265e34e

  • SHA1

    82f5595d0c3d61c80eba41e9da640b8e7d7d7ca2

  • SHA256

    915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99

  • SHA512

    09c0438b0fab4c6a81781b0099101815d4f3403f412bc726107980b58d16230c273a4e8202c39f9d2f4f2b689322d1daa352088cf8b5c3f86fb56b0d4a098ae7

  • SSDEEP

    6144:oSDMpra6/Ri8nfqYo7Xxp9WGQeg8bhI5PPL14:Kp1Ji8fRyB7WE2L1

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1335107831:AAGZPoo67JukV78LJI16BeQqy3whx-zI59g/sendMessage?chat_id=1294593001

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe
    "C:\Users\Admin\AppData\Local\Temp\915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2276
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 1616
          3⤵
          • Program crash
          PID:5036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3084 -ip 3084
      1⤵
        PID:216

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1048-132-0x0000000000470000-0x00000000004F2000-memory.dmp

        Filesize

        520KB

      • memory/1048-133-0x0000000005360000-0x0000000005904000-memory.dmp

        Filesize

        5.6MB

      • memory/1048-134-0x0000000004FB0000-0x0000000005042000-memory.dmp

        Filesize

        584KB

      • memory/1048-135-0x0000000005050000-0x00000000050EC000-memory.dmp

        Filesize

        624KB

      • memory/1048-140-0x0000000005C50000-0x0000000005C5A000-memory.dmp

        Filesize

        40KB

      • memory/2276-136-0x0000000000000000-mapping.dmp

      • memory/3084-137-0x0000000000000000-mapping.dmp

      • memory/3084-138-0x0000000000400000-0x0000000000468000-memory.dmp

        Filesize

        416KB

      • memory/3084-139-0x0000000006710000-0x00000000068D2000-memory.dmp

        Filesize

        1.8MB