Analysis

  • max time kernel
    93s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 05:29

General

  • Target

    Request for Quotation - NPN 80024835 document.exe

  • Size

    1.2MB

  • MD5

    2c3f2fc77cf92ff8c43149dca484334d

  • SHA1

    b71fb83fd41487c7eebb5b7eb70b4afa711e6791

  • SHA256

    374447b15cfae054961592a0cb0ac20074e4f7c4daa794ce8b2b684961932120

  • SHA512

    fd5fd37b1ff3d9d66b8ab2657edbbbe5bde85a027b9cce14df30f1004f342a5186f66e8fe216702796bf76f7bdab67b426ed0839054b7accf4473d9e72b81a43

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCwqK0sWJzNeA1h0S2MVR:7JZoQrbTFZY1iaCy+vL1C6R

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7204444211:AAHhCv47hRiqEWkkF-hzrMRRq69HpYbFD5Y/sendMessage?chat_id=2065242915

Signatures

  • VIPKeylogger

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quotation - NPN 80024835 document.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation - NPN 80024835 document.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:1012
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation - NPN 80024835 document.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 1444
        3⤵
        • Program crash
        PID:1424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 812
      2⤵
      • Program crash
      PID:1084
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1012 -ip 1012
    1⤵
      PID:1796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2280 -ip 2280
      1⤵
        PID:2744

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1012-2-0x00000000040E0000-0x00000000042E0000-memory.dmp

        Filesize

        2.0MB

      • memory/2280-3-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

      • memory/2280-4-0x000000007372E000-0x000000007372F000-memory.dmp

        Filesize

        4KB

      • memory/2280-5-0x0000000005CC0000-0x0000000006264000-memory.dmp

        Filesize

        5.6MB

      • memory/2280-6-0x0000000005710000-0x00000000057AC000-memory.dmp

        Filesize

        624KB

      • memory/2280-7-0x0000000073720000-0x0000000073ED0000-memory.dmp

        Filesize

        7.7MB

      • memory/2280-8-0x0000000073720000-0x0000000073ED0000-memory.dmp

        Filesize

        7.7MB