Analysis

  • max time kernel
    51s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2024 04:19

General

  • Target

    MT Marine Tiger.exe

  • Size

    482KB

  • MD5

    9aaf0e13931abe17c27dd943b5835937

  • SHA1

    8db76fa143b6e967cc9fe9b9ed441291ca055009

  • SHA256

    16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469

  • SHA512

    05c9a9ba679f7155208c8928d45797c80c301eb46f3670c30759077ccd5edd6a82798bcb2eea325ab598197c4320277294af9ee51a01ac872755bcf206abdd23

  • SSDEEP

    6144:wXuAPKbX9sDEXfmgVvUKm0RfeFdDcyfXZXTraIyErhT41fG5QDGiu/byyvDuBRgC:wXuBqDEvmYfsDcyfpXpTh5qDGiEv6BC

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    fY,FLoadtsiF

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger.exe
    "C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger.exe
      "C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2328
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1448
        3⤵
        • Program crash
        PID:1416
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2328 -ip 2328
    1⤵
      PID:1096

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2328-9-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/2328-14-0x0000000074E40000-0x00000000755F0000-memory.dmp
      Filesize

      7.7MB

    • memory/2328-11-0x0000000074E40000-0x00000000755F0000-memory.dmp
      Filesize

      7.7MB

    • memory/2328-10-0x0000000074E40000-0x00000000755F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4480-3-0x0000000004B20000-0x0000000004BB2000-memory.dmp
      Filesize

      584KB

    • memory/4480-6-0x0000000074E40000-0x00000000755F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4480-5-0x0000000004C20000-0x0000000004C74000-memory.dmp
      Filesize

      336KB

    • memory/4480-7-0x0000000004E60000-0x0000000004EFC000-memory.dmp
      Filesize

      624KB

    • memory/4480-8-0x0000000004DB0000-0x0000000004DB8000-memory.dmp
      Filesize

      32KB

    • memory/4480-4-0x0000000004C10000-0x0000000004C1A000-memory.dmp
      Filesize

      40KB

    • memory/4480-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp
      Filesize

      4KB

    • memory/4480-2-0x00000000050D0000-0x0000000005674000-memory.dmp
      Filesize

      5.6MB

    • memory/4480-13-0x0000000074E40000-0x00000000755F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4480-1-0x0000000000080000-0x00000000000FE000-memory.dmp
      Filesize

      504KB