Analysis

  • max time kernel
    115s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2024, 03:54

General

  • Target

    eb08d774bc4adf5cbba803b4a97757b0281402bdb5b270d621e7705fcc0ec783N.exe

  • Size

    2.8MB

  • MD5

    abd473026ff01a89544052f0b7a437f0

  • SHA1

    114aa2653ad093ca5964a798333407eaa5e2a35b

  • SHA256

    eb08d774bc4adf5cbba803b4a97757b0281402bdb5b270d621e7705fcc0ec783

  • SHA512

    3156af297e868ddf200efb1e8334959755ba6563447510472699ad282ad3503c04060d6faf0b6c4c429e8b71bf60fb7015c4e720df18360107ad5489126b8a21

  • SSDEEP

    49152:95VWQ4h1EtbHYF4PGVHX9gWX9cPpmnUr+Syx+UQ498iEjEv/6p3BVR5:9FjtbO4PCtDKpohbx+b4aHA/QHr

Malware Config

Extracted

Family

xworm

C2

canada-nervous.gl.at.ply.gg:26681

Attributes
  • Install_directory

    %AppData%

  • install_file

    scvhost.exe

  • telegram

    https://api.telegram.org/bot7556258236:AAFbbPTNmGub8pdNz3R3W7xxukN43pvt5Tc/sendMessage?chat_id=7191221522

Signatures

  • Detect Xworm Payload 4 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 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\eb08d774bc4adf5cbba803b4a97757b0281402bdb5b270d621e7705fcc0ec783N.exe
    "C:\Users\Admin\AppData\Local\Temp\eb08d774bc4adf5cbba803b4a97757b0281402bdb5b270d621e7705fcc0ec783N.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Roaming\TritonRAT.exe
      "C:\Users\Admin\AppData\Roaming\TritonRAT.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Users\Admin\AppData\Local\Temp\TritonRAT.exe
        "C:\Users\Admin\AppData\Local\Temp\TritonRAT.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2560
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2560 -s 528
          4⤵
            PID:2972
      • C:\Users\Admin\AppData\Roaming\Triton Rat.exe
        "C:\Users\Admin\AppData\Roaming\Triton Rat.exe"
        2⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "scvhost" /tr "C:\Users\Admin\AppData\Roaming\scvhost.exe"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2080
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {C5011B68-2789-40BC-BCB7-4038EAD82DDA} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Users\Admin\AppData\Roaming\scvhost.exe
        C:\Users\Admin\AppData\Roaming\scvhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2660
      • C:\Users\Admin\AppData\Roaming\scvhost.exe
        C:\Users\Admin\AppData\Roaming\scvhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\TritonRAT.exe

      Filesize

      38KB

      MD5

      57d29dcd5a7b20883382620736c868be

      SHA1

      a26c5b6b4822e25d81929b72221be0ec1c2bcfc2

      SHA256

      e0e5443f7f4b4eea98de47521407b609ac628f0a374d8f2c5d0e53dd6befc416

      SHA512

      6b41d0e16156d61e96790b0e822f400275917d9234774c709577ae3dbb6fb834720ca7f0902672c1d0145df03c2ed36ae6a6e5bee1c1a3d5ceb26f56fd72908d

    • C:\Users\Admin\AppData\Roaming\Triton Rat.exe

      Filesize

      85KB

      MD5

      628a35d2e9e2283e7dbf88d54c2446f6

      SHA1

      e4084bf55605bbeb15034edacb218cb62eb6d88f

      SHA256

      38a301620b3c593084784a6f3885fa6959f93e6e9505eb4c54016a46d6c8435a

      SHA512

      3ef86fcaca280e08bf0c7c2233ebb6a9c950f3aff1f2eb340d1c22bcd4b6619d9e55aa33d44004ed4e6d0eb8f5d2e48a0c3bc31a01bba337882cf1410c1326ce

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

      Filesize

      36.5MB

      MD5

      3e7800c74c9c7950bacf6739859caaee

      SHA1

      82faffb57a9ce69fe8b00aeb91f9644db0ebf7fe

      SHA256

      c6d18577ef02f6f7ead2bd90a4a9e7d522ed8aa801949b910792dabd75849736

      SHA512

      f511dabe5837442f44cee5f96ea20d393fb9d45a10c69a79326c45c768aa2780b26e7eacb4591becbf656ce5b8daf373ef25f2d20b06b2dbed5c47b1c4cee428

    • memory/1680-51-0x00000000003B0000-0x00000000003CA000-memory.dmp

      Filesize

      104KB

    • memory/2560-40-0x0000000000890000-0x000000000089E000-memory.dmp

      Filesize

      56KB

    • memory/2660-48-0x0000000000D90000-0x0000000000DAA000-memory.dmp

      Filesize

      104KB

    • memory/2760-33-0x00000000003A0000-0x00000000003BA000-memory.dmp

      Filesize

      104KB

    • memory/2776-34-0x0000000001340000-0x000000000134E000-memory.dmp

      Filesize

      56KB

    • memory/3036-5-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-32-0x0000000000A10000-0x00000000036A6000-memory.dmp

      Filesize

      44.6MB

    • memory/3036-7-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-6-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-0-0x0000000000A10000-0x00000000036A6000-memory.dmp

      Filesize

      44.6MB

    • memory/3036-15-0x0000000000A10000-0x00000000036A6000-memory.dmp

      Filesize

      44.6MB

    • memory/3036-16-0x0000000000A10000-0x00000000036A6000-memory.dmp

      Filesize

      44.6MB

    • memory/3036-10-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-31-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-8-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-30-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-11-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-12-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-13-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-14-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-9-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-2-0x0000000076E20000-0x0000000076F30000-memory.dmp

      Filesize

      1.1MB

    • memory/3036-1-0x0000000076E31000-0x0000000076E32000-memory.dmp

      Filesize

      4KB