Analysis

  • max time kernel
    126s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2023, 16:44

General

  • Target

    4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe

  • Size

    420KB

  • MD5

    a18531a70b1cb63cc6aafae0220109c9

  • SHA1

    55d23deadcf9dd35419e317e6dbef569d7d761e1

  • SHA256

    4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852

  • SHA512

    e1f64379270dad155548389dfa8eb569882143a8704af309ecce434cd339b95c8161e04fb0ec030fececacc63d408643c65f8648e215f9310822e112c1708296

  • SSDEEP

    12288:D6A/Q6KbxBgxBi36bXQPiTbdrdR6DCpCr:D6sQ62426

Malware Config

Extracted

Family

snakekeylogger

Credentials

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4404
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 1780
        3⤵
        • Program crash
        PID:4640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4404 -ip 4404
    1⤵
      PID:1104

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4404-142-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4404-147-0x0000000074D80000-0x0000000075530000-memory.dmp

            Filesize

            7.7MB

          • memory/4404-146-0x0000000005330000-0x0000000005340000-memory.dmp

            Filesize

            64KB

          • memory/4404-144-0x0000000074D80000-0x0000000075530000-memory.dmp

            Filesize

            7.7MB

          • memory/5040-136-0x0000000005210000-0x00000000052A2000-memory.dmp

            Filesize

            584KB

          • memory/5040-138-0x0000000005200000-0x0000000005210000-memory.dmp

            Filesize

            64KB

          • memory/5040-139-0x0000000005160000-0x000000000516A000-memory.dmp

            Filesize

            40KB

          • memory/5040-140-0x0000000074D80000-0x0000000075530000-memory.dmp

            Filesize

            7.7MB

          • memory/5040-141-0x0000000005200000-0x0000000005210000-memory.dmp

            Filesize

            64KB

          • memory/5040-137-0x00000000052B0000-0x000000000534C000-memory.dmp

            Filesize

            624KB

          • memory/5040-145-0x0000000074D80000-0x0000000075530000-memory.dmp

            Filesize

            7.7MB

          • memory/5040-133-0x00000000005F0000-0x0000000000660000-memory.dmp

            Filesize

            448KB

          • memory/5040-135-0x0000000009B40000-0x000000000A0E4000-memory.dmp

            Filesize

            5.6MB

          • memory/5040-134-0x0000000074D80000-0x0000000075530000-memory.dmp

            Filesize

            7.7MB