Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2024, 02:48

General

  • Target

    8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.exe

  • Size

    776KB

  • MD5

    5079523d601ca936c4850f6bd51f4129

  • SHA1

    52d4fac94c6c0feb43276400a6281a51e65a4d53

  • SHA256

    8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45

  • SHA512

    9b6d057daaf5974b6ad63bdc16d9cd0b7137952890e849385e8c5ca995aef4a1f0f85f248ad5a1255a402a269eeec4397550993ace042beb36c9fecf930972bd

  • SSDEEP

    12288:W2f00lxD8T3R2vW9ZBwISky2HGEoNx8Dci54AlpwcW:+T3RQWnBtSkRHkxhi5Z/c

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.

  • Vipkeylogger family
  • 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 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 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.exe
    "C:\Users\Admin\AppData\Local\Temp\8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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\8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2856
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mZLKvoVOr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mZLKvoVOr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D76.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:108
    • C:\Users\Admin\AppData\Local\Temp\8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.exe
      "C:\Users\Admin\AppData\Local\Temp\8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.exe"
      2⤵
        PID:2052
      • C:\Users\Admin\AppData\Local\Temp\8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.exe
        "C:\Users\Admin\AppData\Local\Temp\8feed4062b93ff232c8d624baf73699d1e25e2a745717d73ec648d498c44bc45.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:2096

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp2D76.tmp

      Filesize

      1KB

      MD5

      9d9b945080f7c291be295a324ce7f514

      SHA1

      2f0d8be2d344bdb9cd39c09d3f518eefe2f055ac

      SHA256

      acc98c069fca08ebbe5ff99af496301b58bf0b78a16b1ef8629c9155ebd83173

      SHA512

      b4175cb1e842aefbf8ce7d8f6ec80130ce59dcacd74d475415fe52bd98fcd0fab772ac789d534b9e8cc2c268aaa825c6877b71a37db533f0f043ba0ec3f0b8d0

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

      Filesize

      7KB

      MD5

      94d89ee78d4643905670f44fcd5f42ef

      SHA1

      8415bcc70552d20f5de67f831fabc331523d07d0

      SHA256

      e2ce9b59fbd0df43443b5f7e3e3f3d6784e642f5f7d494b32b0e0fe11ccb7fba

      SHA512

      fe31bedbbcdcb7d28e0c3228baa7d2b47b5f827700f14003b49a5b6830e8fc82c75292dc18589e11486ffe76996bf457ec6f0b93d9ebbfb66a3fcbb3f0ca777a

    • memory/2096-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2096-29-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2096-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2096-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2096-23-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2096-25-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2096-28-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2096-31-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2688-6-0x00000000004F0000-0x000000000057C000-memory.dmp

      Filesize

      560KB

    • memory/2688-1-0x00000000002E0000-0x00000000003A6000-memory.dmp

      Filesize

      792KB

    • memory/2688-0-0x000000007435E000-0x000000007435F000-memory.dmp

      Filesize

      4KB

    • memory/2688-2-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2688-3-0x00000000003C0000-0x00000000003DE000-memory.dmp

      Filesize

      120KB

    • memory/2688-5-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2688-4-0x000000007435E000-0x000000007435F000-memory.dmp

      Filesize

      4KB

    • memory/2688-32-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB