Analysis

  • max time kernel
    107s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 22:36

General

  • Target

    PK241200518-EMAIL RELEASE-pdf.exe

  • Size

    983KB

  • MD5

    6897b3d43af4aca3376a79d7169746db

  • SHA1

    fec918d4e90a3697a78931ac4dab8dc6da637afb

  • SHA256

    23659bb599448db31b14bf56938cae2970929167fa41ad9d7e35cae65c1b4a64

  • SHA512

    5a7dda8f4340a7b56400da996ed24862bdada176ce228b20f9807babfc870a5b00e4be4521ace0e3032b32c715bba543aef35db92c599879b81c0b9d38dbc582

  • SSDEEP

    24576:Zu6J33O0c+JY5UZ+XC0kGso6Fa71mhxHTCWY:bu0c++OCvkGs9Fa71m3H1Y

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.

  • Vipkeylogger family
  • 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.

  • 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 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PK241200518-EMAIL RELEASE-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PK241200518-EMAIL RELEASE-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:2376
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\PK241200518-EMAIL RELEASE-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:4356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2376-6-0x00000000011D0000-0x00000000015D0000-memory.dmp

    Filesize

    4.0MB

  • memory/4356-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4356-8-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

    Filesize

    4KB

  • memory/4356-9-0x0000000006030000-0x00000000065D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4356-10-0x0000000005960000-0x00000000059FC000-memory.dmp

    Filesize

    624KB

  • memory/4356-11-0x0000000073F00000-0x00000000746B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4356-12-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

    Filesize

    4KB

  • memory/4356-13-0x0000000073F00000-0x00000000746B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4356-14-0x0000000006E70000-0x0000000007032000-memory.dmp

    Filesize

    1.8MB

  • memory/4356-15-0x0000000006CF0000-0x0000000006D40000-memory.dmp

    Filesize

    320KB

  • memory/4356-16-0x0000000007040000-0x00000000070D2000-memory.dmp

    Filesize

    584KB

  • memory/4356-17-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

    Filesize

    40KB