Analysis

  • max time kernel
    119s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 02:33

General

  • Target

    679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.exe
    "C:\Users\Admin\AppData\Local\Temp\679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • 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\679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Users\Admin\AppData\Local\Temp\679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.exe
      "C:\Users\Admin\AppData\Local\Temp\679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.exe"
      2⤵
        PID:2460
      • C:\Users\Admin\AppData\Local\Temp\679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.exe
        "C:\Users\Admin\AppData\Local\Temp\679d4adfa31562efe8999c9cbe785be55016ae18b38c31d66afcf705cb74a0c1.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:2264

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2264-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2264-26-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2264-25-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2264-22-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2264-20-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2264-7-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2264-8-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2264-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2264-17-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2264-15-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2264-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2264-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2408-5-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2408-6-0x0000000004380000-0x000000000440E000-memory.dmp

      Filesize

      568KB

    • memory/2408-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

      Filesize

      4KB

    • memory/2408-21-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2408-4-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

      Filesize

      4KB

    • memory/2408-3-0x0000000000440000-0x000000000045C000-memory.dmp

      Filesize

      112KB

    • memory/2408-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2408-1-0x0000000000E90000-0x0000000000F76000-memory.dmp

      Filesize

      920KB