Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 02:24

General

  • Target

    d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe

  • Size

    791KB

  • MD5

    7f1cc457dae9b550c173da3dee6e81a9

  • SHA1

    ac8bb5bf84a393925397f8f6899ad1416ecab071

  • SHA256

    d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463

  • SHA512

    ddf587596c1a0f9c8050f3a2cef383881286e8176aa61f05bc329417c4695d8fc2f2b94e66497c8055b0815d477b4b50eefa6b9ac8ed7cee025af94cfe56010f

  • SSDEEP

    24576:1dC/qaSuyGXECnuq/2+pcyLvpXyL/i2tjxa7ayKp:ziUujpnuq/DcgvpCLq2tjck

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 2 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe
    "C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2296
    • 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\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1592
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bLSqEX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2828
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bLSqEX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.exe
      "C:\Users\Admin\AppData\Local\Temp\d3c4f42060fe5520553f915832b413f6f8f0f55307646f86b44b150389069463.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:2776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp6F3.tmp

          Filesize

          1KB

          MD5

          0cfcde591d168891c893866d5aa970cf

          SHA1

          d640de4043932f1108b0f9eb46b80de36234478e

          SHA256

          1fa3e5a572216ed5a41f670d23414e9b460be6c8606ef1440c535cf299f2a0d0

          SHA512

          0d40e75dfdf0015948d6c644c6c05bc34a6725a75724d293ebe509ec4e8b1050570ec017da3960122b418bba5dd43ecaed4bad9c0f9cf49504175a8e9a4f36b5

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

          Filesize

          7KB

          MD5

          32f82bb8282e7868f9431d5ad31a0c9a

          SHA1

          ea2c2ed00750b66f9e5c75d18e3fc9953eb07d99

          SHA256

          2bbda7071bc34fecdc2973bd03851ee78aa109acabbeeff3cdcd97a2cd23fff6

          SHA512

          5cf8f2572f29f89c391e00f6f4e1dcefc6d79726b8ec6943328fd7c13f1e1628239c378ef0c3e3feb1bf338d6ec28fda2fdb153869724c4f9e5c8b4a9daf5aed

        • memory/2296-4-0x00000000743CE000-0x00000000743CF000-memory.dmp

          Filesize

          4KB

        • memory/2296-3-0x00000000002B0000-0x00000000002C2000-memory.dmp

          Filesize

          72KB

        • memory/2296-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

          Filesize

          4KB

        • memory/2296-5-0x00000000743C0000-0x0000000074AAE000-memory.dmp

          Filesize

          6.9MB

        • memory/2296-6-0x00000000004C0000-0x00000000004D0000-memory.dmp

          Filesize

          64KB

        • memory/2296-7-0x0000000004B10000-0x0000000004B9C000-memory.dmp

          Filesize

          560KB

        • memory/2296-2-0x00000000743C0000-0x0000000074AAE000-memory.dmp

          Filesize

          6.9MB

        • memory/2296-1-0x0000000001240000-0x0000000001308000-memory.dmp

          Filesize

          800KB

        • memory/2296-32-0x00000000743C0000-0x0000000074AAE000-memory.dmp

          Filesize

          6.9MB

        • memory/2776-22-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2776-31-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2776-30-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2776-29-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2776-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2776-26-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2776-24-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2776-21-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB