Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 10:18

General

  • Target

    638264-250924,PDF.exe

  • Size

    1.2MB

  • MD5

    7a2586f54288a95dc01fca7aa8a3bf54

  • SHA1

    ac4cd20889afaccac8794fa54f8beb945c0e3526

  • SHA256

    c576d03129a4176c8efb8a20f88b9183a4b9503670592295a9aae8b64e9c98d8

  • SHA512

    f742cfccdd0816f637e54084e38c6a373d9a87bcbb3007059ea10b067c41848ece12de791719ca2ed8759250bb0dedda2b5639b086083d8d21ee3671cf5b748f

  • SSDEEP

    24576:2RmJkcoQricOIQxiZY1iaG+1yg+hfOTeRs1KizY9Y3TMNag1wI:TJZoQrbTFZY1iaG+1zS4KizYC3z9I

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\638264-250924,PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\638264-250924,PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\638264-250924,PDF.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1580-2-0x0000000003630000-0x0000000003A30000-memory.dmp

    Filesize

    4.0MB

  • memory/2740-3-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-5-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-8-0x000000007427E000-0x000000007427F000-memory.dmp

    Filesize

    4KB

  • memory/2740-9-0x0000000074270000-0x000000007495E000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-10-0x000000007427E000-0x000000007427F000-memory.dmp

    Filesize

    4KB

  • memory/2740-11-0x0000000074270000-0x000000007495E000-memory.dmp

    Filesize

    6.9MB