Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 11:27

General

  • Target

    minty.exe

  • Size

    438KB

  • MD5

    2375624b17828d50bfb4abcbfcae4d99

  • SHA1

    9abbe47e84017ba2e2084dd0a8b43af186075797

  • SHA256

    0ba605ac5b2ee7e27e05847fc73c510264b5184c8645d17eaa68fbd8cfed2b49

  • SHA512

    eae4253835aff30e2cdac51a7abd79a0466c12c80ceea24a7f6b856e5dc711ae710fee92d0a835c8a60a4b7c160551958a57ff32315ade1d91caa568778eca1f

  • SSDEEP

    6144:YKKVG4XLA4q9/9CL7S7Js8jMXsCiG2OI3a1sGJMXsCig9uBWcj:Yzbq9/TFTYX0dOI3Oj2X0GuI

Malware Config

Extracted

Family

xworm

Version

3.0

C2

sites-sing.gl.at.ply.gg:61490

Mutex

9j2ptOtYGGbXbFUF

Attributes
  • Install_directory

    %Public%

  • install_file

    USB.exe

aes.plain

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot7375773294:AAFZUnpXCxGuVizu2hOj5WMYl9ULnbeqZ6c/sendDocument

Signatures

  • Detect Xworm Payload 2 IoCs
  • Phemedrone

    An information and wallet stealer written in C#.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Adds Run key to start application 2 TTPs 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\minty.exe
    "C:\Users\Admin\AppData\Local\Temp\minty.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\launcher.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c pause
        3⤵
          PID:2840
      • C:\Users\Admin\AppData\Local\Temp\XClient.exe
        "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
        2⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1908
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2900
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3004
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\XClient.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1492
        • C:\Windows\system32\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8871.tmp.bat""
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:980
          • C:\Windows\system32\timeout.exe
            timeout 3
            4⤵
            • Delays execution with timeout.exe
            PID:1672
      • C:\Users\Admin\AppData\Local\Temp\Tumerin.exe
        "C:\Users\Admin\AppData\Local\Temp\Tumerin.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2232
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2232 -s 696
          3⤵
            PID:300

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        121KB

        MD5

        9c016d920498ee88e6bd3b8414d081fc

        SHA1

        d4974077c3e74dcc9e07c6040714f8f35c19ff28

        SHA256

        d637985c4cf30997270825819ab56d8e41c0c5fc70dc51cfb1d589f68cac655b

        SHA512

        1a1ac4ff861299b9d04eea6ae266d00c5dd39ad45300ebd8676e5b74a9793c5b51ef05e5f6884a511eac1a9a2644de8084b2df20089ff720d99df1d9477d1060

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

        Filesize

        35KB

        MD5

        25e1369f0a89ccc000777e56c092b042

        SHA1

        d984d3f193860635153e38a0ca573302a154b300

        SHA256

        d990646e74b70ac3951759344119014bfa334711f688b5f935dc9cef510d8b9d

        SHA512

        3f37e5c0b67ddcc78df76dfb1be0342c134e1d7866bb528886034e701599af629be10e5987b58dc40abbeecbbfd7ef85cb75c83351f01208f706e6b84c2003d2

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

        Filesize

        319KB

        MD5

        672f8d89f56d3a59737962c24bbc841f

        SHA1

        91ab1fa7773786081493801495a8ebce6aaeae3f

        SHA256

        a5d2c2fc2c56ded7f36b739bca60144d90854cce483cfa9a7ebc4300483e3e71

        SHA512

        bff57bf225ecccc621ecfd0b3e0bc3332ad68ed35363c128661142d88b72c124edb3b5140e8448c250d6263c5aee982e8958a895a1fb1c4eece81e04523378fa

      • C:\Users\Admin\AppData\Local\Temp\tmp8871.tmp.bat

        Filesize

        159B

        MD5

        03a7e9286e2048926a18f7939e3521f3

        SHA1

        e92abf06f434a45d6e5ec04caff71e2bcbe81adc

        SHA256

        ef9345da1dcc86a74ae3942da1a2135d57306cc03799e8dfcaa45a3f8bcea6fd

        SHA512

        71e026e682e38c118abf14cd2e6c810491888d1a3d7b53169331392cc1d356d396ee8d6226d2faade7a0a809e8c212c4e08f3c5f9a0fa681f14aa1bf7726d180

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

        Filesize

        7KB

        MD5

        f8eb07dfdfa99af257c50a484f6e94e0

        SHA1

        b4146dc9799ddb36b243a9e83996a35a1992ad7a

        SHA256

        0e0d5a8997d2562fbacb0ebd7bb6f96db4405b748fc18f6017bc709cb2e8d16e

        SHA512

        578d96b76826db33af5c7782abf4a86eae673a311d194f0fbc869917f7a8ed5bf4e17b2d0f14031761adbb34582f0cfc6bacadff185301e09d2e4a5597e75d44

      • memory/1908-21-0x000007FEF62A0000-0x000007FEF6C8C000-memory.dmp

        Filesize

        9.9MB

      • memory/1908-17-0x0000000000A40000-0x0000000000A50000-memory.dmp

        Filesize

        64KB

      • memory/1908-40-0x000007FEF62A0000-0x000007FEF6C8C000-memory.dmp

        Filesize

        9.9MB

      • memory/1908-58-0x000007FEF62A0000-0x000007FEF6C8C000-memory.dmp

        Filesize

        9.9MB

      • memory/2232-19-0x0000000000A80000-0x0000000000AA4000-memory.dmp

        Filesize

        144KB

      • memory/2520-20-0x000007FEF62A0000-0x000007FEF6C8C000-memory.dmp

        Filesize

        9.9MB

      • memory/2520-0-0x000007FEF62A3000-0x000007FEF62A4000-memory.dmp

        Filesize

        4KB

      • memory/2520-1-0x0000000000B00000-0x0000000000B74000-memory.dmp

        Filesize

        464KB

      • memory/2900-26-0x000000001B700000-0x000000001B9E2000-memory.dmp

        Filesize

        2.9MB

      • memory/2900-27-0x0000000001E80000-0x0000000001E88000-memory.dmp

        Filesize

        32KB

      • memory/3004-33-0x000000001B560000-0x000000001B842000-memory.dmp

        Filesize

        2.9MB

      • memory/3004-34-0x0000000001E80000-0x0000000001E88000-memory.dmp

        Filesize

        32KB