Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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 5 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 16 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:1444
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 1584
        3⤵
        • Program crash
        PID:2924

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/524-71-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/524-74-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/524-78-0x00000000049D0000-0x0000000004A10000-memory.dmp

          Filesize

          256KB

        • memory/524-77-0x00000000743D0000-0x0000000074ABE000-memory.dmp

          Filesize

          6.9MB

        • memory/524-76-0x00000000049D0000-0x0000000004A10000-memory.dmp

          Filesize

          256KB

        • memory/524-75-0x00000000743D0000-0x0000000074ABE000-memory.dmp

          Filesize

          6.9MB

        • memory/524-64-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/524-69-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/524-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/524-66-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/524-63-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/524-65-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1444-55-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/1444-62-0x0000000000930000-0x0000000000956000-memory.dmp

          Filesize

          152KB

        • memory/1444-61-0x0000000005980000-0x00000000059F2000-memory.dmp

          Filesize

          456KB

        • memory/1444-54-0x0000000000350000-0x00000000003C0000-memory.dmp

          Filesize

          448KB

        • memory/1444-60-0x00000000049E0000-0x0000000004A20000-memory.dmp

          Filesize

          256KB

        • memory/1444-73-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/1444-59-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/1444-58-0x0000000000270000-0x0000000000284000-memory.dmp

          Filesize

          80KB

        • memory/1444-57-0x00000000049E0000-0x0000000004A20000-memory.dmp

          Filesize

          256KB

        • memory/1444-56-0x00000000001F0000-0x0000000000248000-memory.dmp

          Filesize

          352KB