Resubmissions

16/05/2026, 16:16

260516-tqrdaafw7110

16/05/2026, 16:14

260516-tptr1sax7m10

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/05/2026, 16:14

General

  • Target
    Keygen_Corel2018.exe
  • Size 553KB
  • Sample260516-tptr1sax7m
  • SHA256 565c3243b1c9e203680c59a4482167428dcc6e5e88a37597e3d75bb4405362cb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7.3

Botnet
  • Lime

C2
  • yourfearcig.no-ip.biz:8484

Mutex
  • Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    12345

Extracted

Family
  • xtremerat

C2
  • yourfearcig.no-ip.org

  • .org

  • 췅yourfearcig.no-ip.org

  • yourfearcig.no-ip.org

Signatures

  • Family: XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Family: njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Detect XtremeRAT payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 24 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 8 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Keygen_Corel2018.exe
    "C:\Users\Admin\AppData\Local\Temp\Keygen_Corel2018.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\X-F. 2018.exe
      "C:\Users\Admin\AppData\Local\Temp\X-F. 2018.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1196
    • C:\Users\Admin\AppData\Local\Temp\New Client.exe
      "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4308
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1824
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2984
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4184
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3856
    • C:\Users\Admin\AppData\Local\Temp\xserver.exe
      "C:\Users\Admin\AppData\Local\Temp\xserver.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 488
          4⤵
          • Program crash
          PID:4164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 496
          4⤵
          • Program crash
          PID:804
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:1176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
      1⤵
        PID:4464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4912 -ip 4912
        1⤵
          PID:4988
        • C:\Users\Admin\AppData\Local\Temp\New Client.exe
          "C:\Users\Admin\AppData\Local\Temp\New Client.exe" ..
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4556
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYANP /F
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1608
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 5
            2⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2160
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYAN /F
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1392
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 1
            2⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2312
        • C:\Users\Admin\AppData\Local\Temp\New Client.exe
          "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1280
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYANP /F
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4220
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 5
            2⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2672
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYAN /F
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4824
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 1
            2⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1140
        • C:\Users\Admin\AppData\Local\Temp\New Client.exe
          "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:984
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYANP /F
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4588
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 5
            2⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:4288
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Delete /tn NYAN /F
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2252
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 1
            2⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3140

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              New Client.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\New Client.exe.log
              • Size 499B
              • SHA256 88f6579fa5ec5ee4040bc0cc74ff0f95966ccfb0181342f51362c42cc10cee12
              • MD5 SHA1 SHA512 TLSH

              New Client.exe

              • Path C:\Users\Admin\AppData\Local\Temp\New Client.exe
              • Size 69KB
              • SHA256 eeff1a81178f33d0af388486fd2469501f015e6a8e54c95a58b8f07b4ba84f2c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              X-F. 2018.exe

              • Path C:\Users\Admin\AppData\Local\Temp\X-F. 2018.exe
              • Size 379KB
              • SHA256 ef951d1a65d69bab671827532231bed21020ee50b6d3c70bcec670c877d629ef
              • MD5 SHA1 SHA512 SSDEEP TLSH

              xserver.exe

              • Path C:\Users\Admin\AppData\Local\Temp\xserver.exe
              • Size 33KB
              • SHA256 f9c6f639e5deb7bf523f11c64f96d0b12417a93e277f8e7b690edeaa94af9be6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1196-38-0x0000000000400000-0x00000000004D2000-memory.dmp

              memory/1196-15-0x0000000000400000-0x00000000004D2000-memory.dmp

              memory/1196-23-0x00000000004D1000-0x00000000004D2000-memory.dmp

              memory/1196-29-0x0000000000400000-0x00000000004D2000-memory.dmp

              memory/1196-47-0x0000000000400000-0x00000000004D2000-memory.dmp

              memory/1196-43-0x0000000000400000-0x00000000004D2000-memory.dmp

              memory/2944-28-0x0000000010000000-0x000000001004D000-memory.dmp

              memory/2944-34-0x0000000010000000-0x000000001004D000-memory.dmp

              memory/4308-45-0x0000000072C82000-0x0000000072C84000-memory.dmp

              memory/4308-31-0x0000000072C82000-0x0000000072C84000-memory.dmp

              memory/4308-30-0x0000000000F70000-0x0000000000F80000-memory.dmp

              memory/4912-35-0x0000000010000000-0x000000001004D000-memory.dmp

              memory/4912-32-0x0000000010000000-0x000000001004D000-memory.dmp