Analysis

  • max time kernel
    121s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    04-04-2024 10:55

General

  • Target

    Purchase Order.exe

  • Size

    533KB

  • MD5

    7eb1409fed2a2b740122f997a76f7a94

  • SHA1

    8cc9e2d414bc1c8964b965989fb6648857ae9892

  • SHA256

    ff2ae4fd71daa1a98edd5f88b743a5daa5fb29f70b87dee08fec25313a3640f1

  • SHA512

    e1df8be427c813ded706628025f38454520a24990b8be54893132b9a44f6874cef1b54f51fa3dd4f56c9622df73ab71fc14ded126c262eea3f3d515039c238a0

  • SSDEEP

    12288:/WUHaP7P5nea9GotNgJ9/KYEQDSAj/aK5zYFQCmO5lT05G:/lHgj5nbGotNCVDSAWKcQCxQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EbxKZL@2

Extracted

Family

snakekeylogger

C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
      2⤵
        PID:2944
      • 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:3032

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2124-18-0x0000000004CC0000-0x0000000004D00000-memory.dmp

      Filesize

      256KB

    • memory/2124-1-0x0000000073BE0000-0x00000000742CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2124-2-0x0000000004CC0000-0x0000000004D00000-memory.dmp

      Filesize

      256KB

    • memory/2124-3-0x0000000000260000-0x0000000000270000-memory.dmp

      Filesize

      64KB

    • memory/2124-4-0x0000000000280000-0x000000000028C000-memory.dmp

      Filesize

      48KB

    • memory/2124-5-0x0000000004D00000-0x0000000004D68000-memory.dmp

      Filesize

      416KB

    • memory/2124-6-0x0000000073BE0000-0x00000000742CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2124-20-0x0000000073BE0000-0x00000000742CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2124-0-0x0000000001280000-0x000000000130C000-memory.dmp

      Filesize

      560KB

    • memory/3032-8-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3032-9-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3032-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3032-13-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3032-15-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3032-17-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3032-10-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3032-19-0x0000000073BE0000-0x00000000742CE000-memory.dmp

      Filesize

      6.9MB

    • memory/3032-7-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3032-21-0x0000000073BE0000-0x00000000742CE000-memory.dmp

      Filesize

      6.9MB