Analysis

  • max time kernel
    147s
  • max time network
    156s
  • 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, 18:20

General

  • Target

    54bfd99c3c0f06b36fa49b7ec029a586841cfb691099df5407bd134c16ba7d5cexe_JC.exe

  • Size

    396KB

  • MD5

    18ded225e71e677d41793954a3992b3e

  • SHA1

    eb5a89d380ca5d6cf0241daf6ebc5b277b648560

  • SHA256

    54bfd99c3c0f06b36fa49b7ec029a586841cfb691099df5407bd134c16ba7d5c

  • SHA512

    0267ab953eb7870e424827367bc6d9b3549af51799c711cb6efc5f752226493ac4dddb869afc780d0c2f5e0bdb78a00f5b43ffc2f827f1360245ede4540a8a9b

  • SSDEEP

    3072:diCsrHmDhgBdafeLmCdF/dBotTnxDHQzFZ4HsajDNb6FX2t:38H3m2LmSd3gnxDCmsajDNuF0

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    janryone.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    *sQwqe$]n1[z

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54bfd99c3c0f06b36fa49b7ec029a586841cfb691099df5407bd134c16ba7d5cexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\54bfd99c3c0f06b36fa49b7ec029a586841cfb691099df5407bd134c16ba7d5cexe_JC.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 2564
      2⤵
      • Program crash
      PID:1744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2024 -ip 2024
    1⤵
      PID:3856

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2024-133-0x0000000000050000-0x00000000000BA000-memory.dmp

            Filesize

            424KB

          • memory/2024-134-0x0000000075140000-0x00000000758F0000-memory.dmp

            Filesize

            7.7MB

          • memory/2024-135-0x0000000005170000-0x0000000005714000-memory.dmp

            Filesize

            5.6MB

          • memory/2024-136-0x0000000004BC0000-0x0000000004C5C000-memory.dmp

            Filesize

            624KB

          • memory/2024-137-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

            Filesize

            64KB

          • memory/2024-138-0x0000000075140000-0x00000000758F0000-memory.dmp

            Filesize

            7.7MB

          • memory/2024-139-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

            Filesize

            64KB

          • memory/2024-140-0x0000000006050000-0x00000000060B6000-memory.dmp

            Filesize

            408KB

          • memory/2024-141-0x00000000060C0000-0x0000000006282000-memory.dmp

            Filesize

            1.8MB

          • memory/2024-142-0x0000000075140000-0x00000000758F0000-memory.dmp

            Filesize

            7.7MB