Analysis

  • max time kernel
    144s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    11/05/2022, 03:20

General

  • Target
    PR NO 132.pdf.exe
  • Size 580KB
  • Sample220511-dvrlvahfak
  • SHA256 5e78cf499e73d06b346f84de0a36188587cb0789a9a02899d3e5d0dcd4a15520
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 1 IoCs
  • 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 1 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\PR NO 132.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PR NO 132.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4304

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1200-130-0x0000000000720000-0x00000000007B4000-memory.dmp

        memory/1200-131-0x0000000005750000-0x0000000005CF4000-memory.dmp

        memory/1200-132-0x00000000051A0000-0x0000000005232000-memory.dmp

        memory/1200-133-0x0000000005140000-0x000000000514A000-memory.dmp

        memory/1200-134-0x0000000007AD0000-0x0000000007B6C000-memory.dmp

        memory/1200-135-0x0000000007D90000-0x0000000007DF6000-memory.dmp

        memory/4304-137-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/4304-138-0x0000000006690000-0x0000000006852000-memory.dmp