Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2024, 10:23

General

  • Target
    RFQ 1307.scr.exe
  • Size 6KB
  • Sample241021-meszeazepe
  • SHA256 e879ebd5f9a3351d09cbc970535a0c1035a85e9944c26f68c75d827e8e19513c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials
C2
  • https://api.telegram.org/bot7236590670:AAEZk9ec6tcUIipI8D5VK8zyHeQjcafFyOY/sendMessage?chat_id=2052461776

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3496
      • C:\Users\Admin\AppData\Local\Temp\RFQ 1307.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ 1307.scr.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:936
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:3980

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/936-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

          memory/936-1-0x0000000000540000-0x0000000000548000-memory.dmp

          memory/936-2-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/936-3-0x00000000061B0000-0x00000000062A2000-memory.dmp

          memory/936-4-0x0000000006850000-0x0000000006DF4000-memory.dmp

          memory/936-5-0x0000000006350000-0x00000000063E2000-memory.dmp

          memory/936-31-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-15-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-7-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-39-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-61-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-65-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-63-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-59-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-57-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-56-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-53-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-51-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-49-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-47-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-45-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-43-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-41-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-69-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-67-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-37-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-35-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-33-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-29-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-27-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-25-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-23-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-21-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-19-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-17-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-13-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-11-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-9-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-6-0x00000000061B0000-0x000000000629C000-memory.dmp

          memory/936-1080-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/936-1081-0x00000000064C0000-0x0000000006524000-memory.dmp

          memory/936-1082-0x00000000063F0000-0x000000000643C000-memory.dmp

          memory/936-1087-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/936-1085-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/936-1088-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/936-1089-0x00000000749DE000-0x00000000749DF000-memory.dmp

          memory/936-1090-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/936-1091-0x0000000005DC0000-0x0000000005E14000-memory.dmp

          memory/936-1094-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/3980-1093-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/3980-1095-0x0000000000400000-0x0000000000448000-memory.dmp

          memory/3980-1096-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

          memory/3980-1097-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/3980-1098-0x00000000749D0000-0x0000000075180000-memory.dmp

          memory/3980-1099-0x0000000006210000-0x00000000063D2000-memory.dmp

          memory/3980-1100-0x00000000060A0000-0x00000000060F0000-memory.dmp

          memory/3980-1101-0x00000000061B0000-0x00000000061BA000-memory.dmp