Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 08:29

General

  • Target
    Purchase Order.exe
  • Size 533KB
  • Sample240404-kdxvvsah63
  • SHA256 191239a61c70ba900694d294a164f4a162b84d11672871fbb5389967bbf52c7e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    EbxKZL@2

Extracted

Family
  • snakekeylogger

C2
  • https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4496

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Purchase Order.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Order.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/4292-4-0x00000000052A0000-0x00000000052B0000-memory.dmp

        memory/4292-1-0x0000000074F20000-0x00000000756D0000-memory.dmp

        memory/4292-3-0x00000000050B0000-0x0000000005142000-memory.dmp

        memory/4292-0-0x0000000000770000-0x00000000007FC000-memory.dmp

        memory/4292-5-0x00000000053A0000-0x00000000053AA000-memory.dmp

        memory/4292-6-0x00000000054D0000-0x00000000054E0000-memory.dmp

        memory/4292-7-0x0000000005500000-0x000000000550C000-memory.dmp

        memory/4292-8-0x00000000066A0000-0x0000000006708000-memory.dmp

        memory/4292-2-0x00000000055C0000-0x0000000005B64000-memory.dmp

        memory/4292-9-0x0000000008E00000-0x0000000008E9C000-memory.dmp

        memory/4292-14-0x0000000074F20000-0x00000000756D0000-memory.dmp

        memory/4496-13-0x0000000074F20000-0x00000000756D0000-memory.dmp

        memory/4496-10-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/4496-15-0x00000000056C0000-0x00000000056D0000-memory.dmp

        memory/4496-16-0x0000000074F20000-0x00000000756D0000-memory.dmp

        memory/4496-17-0x00000000069C0000-0x0000000006A10000-memory.dmp

        memory/4496-18-0x0000000006BE0000-0x0000000006DA2000-memory.dmp

        memory/4496-19-0x00000000072E0000-0x000000000780C000-memory.dmp