Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 11:32

General

  • Target

    f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe

  • Size

    858KB

  • MD5

    4ac76297abf58c73fdad41508853537c

  • SHA1

    9855c22d188988c1b8db019b5606fcf7cb192b6d

  • SHA256

    f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d

  • SHA512

    cf8e52b1dacd98abaa6244ad4f1be03cf6179fdc2d3f9d49be6207d5e7ad4155ef46f07ea3e801e3c5ea4662de0c6dcd2f34745e13cac80e7a472b0ab6bc30cc

  • SSDEEP

    12288:S6AMd6OdKEari+sNYvasQEU/xR8+jYQYIUsCXaNfFxDg70Q1ahPFqPneHWXtt7kR:S+6h1OHNYaLxtjUIUsftxDg7ncGf9o

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\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe
    "C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2092
    • 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\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.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\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hlxwOGwWpD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hlxwOGwWpD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDAA6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2960
    • C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe
      "C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.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:2612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpDAA6.tmp

          Filesize

          1KB

          MD5

          ecf8b2eabc2bb1bfff836d07e737e684

          SHA1

          bd57470363f865ea23fb3f2036641cb186ba547e

          SHA256

          1269eee9b514b3fc5dc1dfa76ed70f4b38e5818e150969f4d924841a0ee0ed6e

          SHA512

          6f872aa479ef172fbcf37ec373c70d359fc6d24d8825eb763ca5091abf5decde10d8b7794ab592a3710f59e6ac0e7259a095150726ddb41e45be983f82240023

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

          Filesize

          7KB

          MD5

          6f9b0f6680ce138c79e9f089c1aca849

          SHA1

          ffb03142f9a261ef611b44da7db11ec94632c964

          SHA256

          7f0c3a22512820f20083862d2b07ec6c09e9bd146601b885ee8e758933f6eefe

          SHA512

          fd45b4cb51bc71e9d6d41a573be59132adeca1374364e98984cc24b2a7b771a38fb7f3a74b5403fdf88192ff3a3213eef27ab23a2d768ee3262790e55bafa46e

        • memory/2092-4-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

          Filesize

          4KB

        • memory/2092-3-0x00000000003B0000-0x00000000003C2000-memory.dmp

          Filesize

          72KB

        • memory/2092-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

          Filesize

          4KB

        • memory/2092-5-0x0000000073F90000-0x000000007467E000-memory.dmp

          Filesize

          6.9MB

        • memory/2092-6-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/2092-7-0x0000000005B00000-0x0000000005B8C000-memory.dmp

          Filesize

          560KB

        • memory/2092-2-0x0000000073F90000-0x000000007467E000-memory.dmp

          Filesize

          6.9MB

        • memory/2092-1-0x0000000000AF0000-0x0000000000BC8000-memory.dmp

          Filesize

          864KB

        • memory/2092-32-0x0000000073F90000-0x000000007467E000-memory.dmp

          Filesize

          6.9MB

        • memory/2612-24-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2612-22-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2612-31-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2612-30-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2612-29-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2612-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2612-26-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2612-20-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB