Analysis

  • max time kernel
    83s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2022, 17:50

General

  • Target
    New Purchase Order--catalogue--quotation--PI22005.exe
  • Size 760KB
  • Sample221024-wekgpshhe2
  • SHA256 45bcec65ba80215780b0b11379df70016aef28cbcf7c46ac71b625934b85e76b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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.

  • 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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Purchase Order--catalogue--quotation--PI22005.exe
    "C:\Users\Admin\AppData\Local\Temp\New Purchase Order--catalogue--quotation--PI22005.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Users\Admin\AppData\Local\Temp\New Purchase Order--catalogue--quotation--PI22005.exe
      "C:\Users\Admin\AppData\Local\Temp\New Purchase Order--catalogue--quotation--PI22005.exe"
      2⤵
        PID:3468
      • C:\Users\Admin\AppData\Local\Temp\New Purchase Order--catalogue--quotation--PI22005.exe
        "C:\Users\Admin\AppData\Local\Temp\New Purchase Order--catalogue--quotation--PI22005.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3456

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          New Purchase Order--catalogue--quotation--PI22005.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\New Purchase Order--catalogue--quotation--PI22005.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/3456-139-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/3456-141-0x0000000006880000-0x0000000006A42000-memory.dmp

          memory/3592-132-0x0000000000AB0000-0x0000000000B74000-memory.dmp

          memory/3592-133-0x0000000005B30000-0x00000000060D4000-memory.dmp

          memory/3592-134-0x0000000005580000-0x0000000005612000-memory.dmp

          memory/3592-135-0x0000000005640000-0x000000000564A000-memory.dmp

          memory/3592-136-0x0000000009110000-0x00000000091AC000-memory.dmp