Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 04:41

General

  • Target

    VPN Plus V2/VPN Plus.exe

  • Size

    1.9MB

  • MD5

    2fee446f1eefd868e785c8a95d3720f3

  • SHA1

    20c436ebef64a8798d771aaf1caf26ba958ff979

  • SHA256

    25cf545a806ad8c33e1eaaeb424d90645900824c1a9ab79c5274c61654efe6b4

  • SHA512

    29add930c9f0b9c613c57997ee7a1c7d15be196d9d679aa0c8d3a528b34dd1f8356f1beb68bef6855d64bff84ee5e7a4ce6791893932bbb05ac653b930ed613e

  • SSDEEP

    24576:AnsJ39LyjbJkQFMhmC+6GD9srOHOPC0wrdqDQc7t/wqqh8jWpo:AnsHyjtk2MYC5GD+OHOPUkzj

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\VPN Plus V2\VPN Plus.exe
    "C:\Users\Admin\AppData\Local\Temp\VPN Plus V2\VPN Plus.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\VPN Plus V2\._cache_VPN Plus.exe
      "C:\Users\Admin\AppData\Local\Temp\VPN Plus V2\._cache_VPN Plus.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Users\Admin\AppData\Roaming\VPN Plus Config.exe
        "C:\Users\Admin\AppData\Roaming\VPN Plus Config.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\system32\CMD.exe
          "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Windows Defender" /tr "C:\Windows\Registry" & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1660
          • C:\Windows\system32\schtasks.exe
            SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Windows Defender" /tr "C:\Windows\Registry"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1600
      • C:\Users\Admin\AppData\Roaming\VPNPlus.exe
        "C:\Users\Admin\AppData\Roaming\VPNPlus.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2732
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Users\Admin\AppData\Local\Temp\VPN Plus V2\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\VPN Plus V2\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Users\Admin\AppData\Roaming\VPN Plus Config.exe
          "C:\Users\Admin\AppData\Roaming\VPN Plus Config.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2324
          • C:\Windows\system32\CMD.exe
            "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Windows Defender" /tr "C:\Windows\Registry" & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:912
            • C:\Windows\system32\schtasks.exe
              SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Windows Defender" /tr "C:\Windows\Registry"
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:628
        • C:\Users\Admin\AppData\Roaming\VPNPlus.exe
          "C:\Users\Admin\AppData\Roaming\VPNPlus.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1584
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2656
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:1748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      1.9MB

      MD5

      2fee446f1eefd868e785c8a95d3720f3

      SHA1

      20c436ebef64a8798d771aaf1caf26ba958ff979

      SHA256

      25cf545a806ad8c33e1eaaeb424d90645900824c1a9ab79c5274c61654efe6b4

      SHA512

      29add930c9f0b9c613c57997ee7a1c7d15be196d9d679aa0c8d3a528b34dd1f8356f1beb68bef6855d64bff84ee5e7a4ce6791893932bbb05ac653b930ed613e

    • C:\Users\Admin\AppData\Local\Temp\WZuFzm2v.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • C:\Users\Admin\AppData\Roaming\VPN Plus Config.exe

      Filesize

      293KB

      MD5

      810d350794a00247069a152538940195

      SHA1

      df7d2bac8066115056f6fa3c2fbf05991c961958

      SHA256

      047f91f56b6c03885d694d36a1b3cfaa211145c6093f66d2d13fa6aee15a0801

      SHA512

      20f20e6ff80da0232ff00af850e4a3c901cd44f84f6cf38c2c91f16fbaa15c726fee7b3aeceea2ef7c852f4edb2079c3f943a60c985910a9619e24d7b7927c24

    • C:\Users\Admin\AppData\Roaming\VPNPlus.exe

      Filesize

      444KB

      MD5

      f341dc884269172ef968d8fa6927275b

      SHA1

      5351fe61fd39b7704d9d63b1a36c44746536753d

      SHA256

      2d41af98b1f58fa4c8266629e6a8eec3a06970a4bd8132f722a3ad71457da4e6

      SHA512

      0c6933547a0f76b953a6679027e95f2d557c509ac459004baf2a2bf1bb9176d196eb1bea0ef38c6fe8a5b1ad2ecbf92e10542a2be25b563ab2af82f0bdfb1fde

    • \Users\Admin\AppData\Local\Temp\VPN Plus V2\._cache_VPN Plus.exe

      Filesize

      1.1MB

      MD5

      710ab55f4ef1bca71fc375eb5f8970bd

      SHA1

      bce86fc001249d537022c6e1a2ea3268432a1525

      SHA256

      2ed1553c925e60d69b36bc4f99eeecd0f266ff02efed4a0a49d9a31afaf3c5f2

      SHA512

      cf02b8b3f4628c2514d9a850c460ed452bca458988ce71d151877bc316bd8000aa0a5631c6ccb5f43aa5d83fbe5cd9826a65456e87fcdd7afcb2aef2cbca7cf7

    • memory/1084-110-0x0000000000400000-0x00000000005E7000-memory.dmp

      Filesize

      1.9MB

    • memory/1084-76-0x0000000000400000-0x00000000005E7000-memory.dmp

      Filesize

      1.9MB

    • memory/1084-72-0x0000000000400000-0x00000000005E7000-memory.dmp

      Filesize

      1.9MB

    • memory/1484-26-0x00000000011D0000-0x00000000012FA000-memory.dmp

      Filesize

      1.2MB

    • memory/2324-77-0x0000000002050000-0x000000000205C000-memory.dmp

      Filesize

      48KB

    • memory/2568-0-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/2568-25-0x0000000000400000-0x00000000005E7000-memory.dmp

      Filesize

      1.9MB

    • memory/2656-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2732-71-0x0000000001220000-0x0000000001294000-memory.dmp

      Filesize

      464KB

    • memory/2784-40-0x0000000000960000-0x00000000009B0000-memory.dmp

      Filesize

      320KB

    • memory/2908-63-0x0000000000120000-0x000000000024A000-memory.dmp

      Filesize

      1.2MB