Analysis

  • max time kernel
    117s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 13:12

General

  • Target

    RFQ-2309540_27112024.exe

  • Size

    894KB

  • MD5

    f05b1298bf8555de86f520d70ed3fad8

  • SHA1

    565b0c2dba6a94ce07c5a6420e3e4e361f8c10d2

  • SHA256

    679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1

  • SHA512

    ac08ab779745bac619910aa53dfa4bf18970b63f15ec505da2a9c9e845caa3673b1b52aad75772602f33cea821784a4e9a6e3ec2f1a006f8fc451a9bca92735f

  • SSDEEP

    12288:lQ7Z4u8WNTyf5Mkx3e3ryy+TS1TizI5SWXh9bZwZ1dUFxYMp8H7mNKvCZ:XupNT+h3e3rydS1OUnzu6uH+K

Malware Config

Extracted

Family

vipkeylogger

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452
    • C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe"
      2⤵
        PID:2272
      • C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe"
        2⤵
          PID:2260
        • C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe
          "C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe"
          2⤵
            PID:2760
          • C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe
            "C:\Users\Admin\AppData\Local\Temp\RFQ-2309540_27112024.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • outlook_office_path
            • outlook_win_path
            PID:2052

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2052-10-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2052-13-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2052-7-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2052-8-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2052-15-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2052-9-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2052-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2052-18-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2168-6-0x0000000005BC0000-0x0000000005C4E000-memory.dmp

          Filesize

          568KB

        • memory/2168-4-0x000000007470E000-0x000000007470F000-memory.dmp

          Filesize

          4KB

        • memory/2168-19-0x0000000074700000-0x0000000074DEE000-memory.dmp

          Filesize

          6.9MB

        • memory/2168-1-0x00000000001C0000-0x00000000002A6000-memory.dmp

          Filesize

          920KB

        • memory/2168-0-0x000000007470E000-0x000000007470F000-memory.dmp

          Filesize

          4KB

        • memory/2168-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

          Filesize

          6.9MB

        • memory/2168-3-0x0000000000630000-0x000000000064C000-memory.dmp

          Filesize

          112KB

        • memory/2168-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

          Filesize

          6.9MB