Analysis

  • max time kernel
    62s
  • max time network
    71s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2023, 16:58

General

  • Target

    XWorm V5.0.exe

  • Size

    11.2MB

  • MD5

    3167d13d705dce86c4cd6b9765e220aa

  • SHA1

    ec50d9b045753173f9f6aa18af5c684a619fd616

  • SHA256

    9836b324a9a693050de20893b9ec1f6bd9c7d9b03eaf21112947cb82183c2016

  • SHA512

    88e59013ca52f9e62975d16d2085e90a0fceffc8de1f0d7aed0bff589a09720cce8e24c147edeeada4af5d5319f5ac5df5a686b21fa1f41bdd3ffab1bc54a3d4

  • SSDEEP

    196608:359nhcOWSxxgQHl2np1eY5J5itQaZWtU8i/MJYR:3RRWQBQnpji1W+8i/T

Malware Config

Signatures

  • Detect Xworm Payload 1 IoCs
  • Detect rhadamanthys stealer shellcode 5 IoCs
  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XWorm V5.0.exe
    "C:\Users\Admin\AppData\Local\Temp\XWorm V5.0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\Client.exe
      "C:\Users\Admin\AppData\Local\Temp\Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:480
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          3⤵
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3180
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 284
          3⤵
          • Program crash
          PID:232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4188 -ip 4188
      1⤵
        PID:5100

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        672KB

        MD5

        dbf35eac1c87ed287c8f7cba33d133b5

        SHA1

        d1dbfba561f8112e5099507a18cd9465b4fcb577

        SHA256

        16094ff7a11c1960da481a9e106676fd94902e64c5625549493dca97bde72fcd

        SHA512

        c4b2112773036d89ffb1faa44ce00e1ae5bb586c7bfc3219549f32adaf74e545687ebe4682db789cf4600dcbc38d0545dfec171d92d15244cb7234736ec5b532

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

        Filesize

        672KB

        MD5

        dbf35eac1c87ed287c8f7cba33d133b5

        SHA1

        d1dbfba561f8112e5099507a18cd9465b4fcb577

        SHA256

        16094ff7a11c1960da481a9e106676fd94902e64c5625549493dca97bde72fcd

        SHA512

        c4b2112773036d89ffb1faa44ce00e1ae5bb586c7bfc3219549f32adaf74e545687ebe4682db789cf4600dcbc38d0545dfec171d92d15244cb7234736ec5b532

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

        Filesize

        672KB

        MD5

        dbf35eac1c87ed287c8f7cba33d133b5

        SHA1

        d1dbfba561f8112e5099507a18cd9465b4fcb577

        SHA256

        16094ff7a11c1960da481a9e106676fd94902e64c5625549493dca97bde72fcd

        SHA512

        c4b2112773036d89ffb1faa44ce00e1ae5bb586c7bfc3219549f32adaf74e545687ebe4682db789cf4600dcbc38d0545dfec171d92d15244cb7234736ec5b532

      • memory/1996-7-0x0000000000400000-0x0000000000F40000-memory.dmp

        Filesize

        11.2MB

      • memory/3180-12-0x0000000000400000-0x0000000000473000-memory.dmp

        Filesize

        460KB

      • memory/3180-11-0x0000000000400000-0x0000000000473000-memory.dmp

        Filesize

        460KB

      • memory/3180-9-0x0000000000400000-0x0000000000473000-memory.dmp

        Filesize

        460KB

      • memory/3180-13-0x00000000012D0000-0x00000000012D7000-memory.dmp

        Filesize

        28KB

      • memory/3180-14-0x0000000003050000-0x0000000003450000-memory.dmp

        Filesize

        4.0MB

      • memory/3180-16-0x0000000003050000-0x0000000003450000-memory.dmp

        Filesize

        4.0MB

      • memory/3180-15-0x0000000003050000-0x0000000003450000-memory.dmp

        Filesize

        4.0MB

      • memory/3180-17-0x0000000003050000-0x0000000003450000-memory.dmp

        Filesize

        4.0MB

      • memory/3180-18-0x0000000000400000-0x0000000000473000-memory.dmp

        Filesize

        460KB

      • memory/3180-19-0x0000000003050000-0x0000000003450000-memory.dmp

        Filesize

        4.0MB