Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/12/2025, 10:53

General

  • Target
    file.exe
  • Size 33KB
  • Sample251206-my3yqaskgl
  • SHA256 96d6b0603a4a13e1f7636ec2cb9bc9b2a5491c15bce2c1daf9ace7b60cd20fa4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • svcstealer

C2
  • http://62.60.226.159/zbuyowgn/data.php

  • http://158.94.208.102/diamo/data.php

  • http://196.251.107.23/diamo/data.php

  • http://178.16.53.7/diamo/data.php

  • http://196.251.107.61/diamo/data.php

Attributes
  • bot_urls

    http://196.251.107.23/bot64.dll

  • build_id

    KC

  • srv_delay

    1

  • srv_retry

    1

Signatures

  • SvcStealer, Diamotrix

    SvcStealer aka Diamotrix Clipper is a stealer/downloader written in C++.

  • Svcstealer family
  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Downloads MZ/PE file 4 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in Windows directory 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 2 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Downloads MZ/PE file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:696
      • C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
        "C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5144
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /query /tn "Windows Defender Security"
          4⤵
            PID:660
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /sc minute /tn "Windows Defender Security" /tr "C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe"
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3112
        • C:\Users\Admin\AppData\Local\Temp\BXZSNVLR.exe
          "C:\Users\Admin\AppData\Local\Temp\BXZSNVLR.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2156
          • C:\Users\Admin\AppData\Roaming\syshost.exe
            "C:\Users\Admin\AppData\Roaming\syshost.exe"
            4⤵
            • Downloads MZ/PE file
            • Executes dropped EXE
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:1404
            • C:\Windows\System32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f988f0065903c8\clip64.dll, Main
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:5112
              • C:\Windows\SysWOW64\rundll32.exe
                "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f988f0065903c8\clip64.dll, Main
                6⤵
                • Badlisted process makes network request
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:4148
            • C:\Windows\System32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f988f0065903c8\clip64.dll, Main
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4224
              • C:\Windows\SysWOW64\rundll32.exe
                "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f988f0065903c8\clip64.dll, Main
                6⤵
                • Badlisted process makes network request
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:2744
            • C:\Users\Admin\AppData\Local\Temp\10001290101\8.exe
              "C:\Users\Admin\AppData\Local\Temp\10001290101\8.exe"
              5⤵
              • Executes dropped EXE
              PID:4048
        • C:\Users\Admin\AppData\Local\Temp\BYPUOAYT.exe
          "C:\Users\Admin\AppData\Local\Temp\BYPUOAYT.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:232
    • C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
      C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
      1⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /query /tn "Windows Defender Security"
        2⤵
          PID:4924
      • C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
        C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
        1⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:5312
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /query /tn "Windows Defender Security"
          2⤵
            PID:3712
        • C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
          C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
          1⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2848
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /query /tn "Windows Defender Security"
            2⤵
              PID:3448
          • C:\Users\Admin\AppData\Roaming\syshost.exe
            C:\Users\Admin\AppData\Roaming\syshost.exe
            1⤵
            • Executes dropped EXE
            PID:1032
          • C:\ProgramData\decdbec.exe
            "C:\ProgramData\decdbec.exe"
            1⤵
            • Executes dropped EXE
            PID:3076

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                8.exe

                • Path C:\Users\Admin\AppData\Local\Temp\10001290101\8.exe
                • Size 33KB
                • SHA256 96d6b0603a4a13e1f7636ec2cb9bc9b2a5491c15bce2c1daf9ace7b60cd20fa4
                • MD5 SHA1 SHA512 SSDEEP

                BXZSNVLR.exe

                • Path C:\Users\Admin\AppData\Local\Temp\BXZSNVLR.exe
                • Size 707KB
                • SHA256 9b7ebcd4b27ace0f237f2ccab58503340be62a43112f9c537d16f42d40abb715
                • MD5 SHA1 SHA512 SSDEEP

                BYPUOAYT.exe

                • Path C:\Users\Admin\AppData\Local\Temp\BYPUOAYT.exe
                • Size 600KB
                • SHA256 4caf2a7831a78d5e22fee325aef6b7aa350b43226c7392fa086a2f5cd13c51f8
                • MD5 SHA1 SHA512 SSDEEP

                PFXPGWGZ.exe

                • Path C:\Users\Admin\AppData\Local\Temp\PFXPGWGZ.exe
                • Size 288KB
                • SHA256 b5588ea2f98d661192c901a59bfad2975d1a1ead2e45eaadbf7815892fc009a6
                • MD5 SHA1 SHA512 SSDEEP

                clip64.dll

                • Path C:\Users\Admin\AppData\Roaming\f988f0065903c8\clip64.dll
                • Size 114KB
                • SHA256 182bc3c2b19b3254ea84fa8c0379c03edac5bfbe0a6ed27b03544192281ad899
                • MD5 SHA1 SHA512 SSDEEP

                syshost.exe

                • Path C:\Users\Admin\AppData\Roaming\syshost.exe
                • Size 605KB
                • SHA256 79b120acdb37fd5b5fa927a6ffb370d5a7cbc8039f2e9b31831029d0f16bc38b
                • MD5 SHA1 SHA512 SSDEEP

                memory/232-156-0x0000000140000000-0x0000000140082000-memory.dmp

                memory/696-0-0x00007FFF60A80000-0x00007FFF60C89000-memory.dmp

                memory/1032-137-0x00000261A1720000-0x00000261A17A7000-memory.dmp

                memory/1404-83-0x0000019C65B80000-0x0000019C65C07000-memory.dmp

                memory/1404-81-0x0000019C65B80000-0x0000019C65C07000-memory.dmp

                memory/1404-120-0x0000019C65B80000-0x0000019C65C07000-memory.dmp

                memory/1404-113-0x0000019C65B80000-0x0000019C65C07000-memory.dmp

                memory/3340-17-0x0000000002960000-0x0000000002961000-memory.dmp

                memory/3340-133-0x0000000006EF0000-0x0000000006F2A000-memory.dmp

                memory/3340-18-0x00007FFF5FDA0000-0x00007FFF5FDA1000-memory.dmp

                memory/3340-22-0x0000000005870000-0x00000000058AA000-memory.dmp

                memory/3340-51-0x0000000005B90000-0x0000000005BCA000-memory.dmp

                memory/3340-12-0x0000000002A80000-0x0000000002AB4000-memory.dmp

                memory/3340-13-0x0000000002AC0000-0x0000000002AFA000-memory.dmp

                memory/3340-16-0x0000000002AC0000-0x0000000002AFA000-memory.dmp

                memory/3340-28-0x0000000002B80000-0x0000000002BB6000-memory.dmp

                memory/3340-24-0x0000000005870000-0x00000000058AA000-memory.dmp

                memory/3340-174-0x000000000BE80000-0x000000000BEEF000-memory.dmp

                memory/3340-49-0x0000000005B90000-0x0000000005BCA000-memory.dmp

                memory/3340-135-0x0000000006EF0000-0x0000000006F2A000-memory.dmp

                memory/3340-15-0x0000000002AC0000-0x0000000002AFA000-memory.dmp

                memory/3340-1-0x00000000028D0000-0x0000000002903000-memory.dmp

                memory/3340-2-0x0000000002B80000-0x0000000002BB6000-memory.dmp

                memory/3340-157-0x0000000007310000-0x00000000073D6000-memory.dmp

                memory/3340-158-0x0000000007310000-0x00000000073D6000-memory.dmp

                memory/3340-161-0x00000000008D0000-0x00000000008D1000-memory.dmp

                memory/3340-163-0x0000000007310000-0x00000000073D6000-memory.dmp

                memory/3340-165-0x0000000007310000-0x00000000073D6000-memory.dmp

                memory/3340-166-0x0000000007310000-0x00000000073D6000-memory.dmp

                memory/3340-162-0x0000000007310000-0x00000000073D6000-memory.dmp

                memory/4048-122-0x00007FFF60A80000-0x00007FFF60C89000-memory.dmp