Overview

overview

10

Static

static

3

MASK HİLE...v4.exe

windows10-2004-x64

10

MASK HİLE...v4.exe

windows11-ltsc_2024-x64

10

MASK HİLE...26.dll

windows10-2004-x64

3

MASK HİLE...26.dll

windows11-ltsc_2024-x64

3

MASK HİLE...gs.xml

windows10-2004-x64

3

MASK HİLE...gs.xml

windows11-ltsc_2024-x64

1

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 22:21

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General

  • Target
    MASK HİLE/Extreme Injector v4.exe
  • Size 9.5MB
  • Sample260925-19stsaaa33
  • SHA256 4e57af02f430ffdacb81b8b597b251bac12de9c0703fb5325411dc83ca8d8e11
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
kurbabndefense_evasiondiscoveryexecutiondarkcometrattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • KURBABN

C2

  • 38.19.198.245:1604

Mutex

  • DC_MUTEX-PY3HG53

Attributes
  • gencode

    XuJkAjXDpag9

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Signatures

  • Family: Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    trojanratdarkcomet
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    defense_evasion
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Executes dropped EXE 4 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • UPX packed file 6 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Program crash 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\MASK HİLE\Extreme Injector v4.exe
    "C:\Users\Admin\AppData\Local\Temp\MASK HİLE\Extreme Injector v4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Users\Admin\AppData\Local\Temp\DENEME1.EXE
      "C:\Users\Admin\AppData\Local\Temp\DENEME1.EXE"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:5260
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5260 -s 1052
        3⤵
        • Program crash
        PID:2844
    • C:\Users\Admin\AppData\Local\Temp\EXTREME INJECTOR V4.EXE
      "C:\Users\Admin\AppData\Local\Temp\EXTREME INJECTOR V4.EXE"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4604
      • C:\Users\Admin\AppData\Local\Temp\DARK.EXE
        "C:\Users\Admin\AppData\Local\Temp\DARK.EXE"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:6084
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\DARK.EXE" +s +h
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4984
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Users\Admin\AppData\Local\Temp\DARK.EXE" +s +h
            5⤵
            • Sets file to hidden
            • System Location Discovery: System Language Discovery
            • Views/modifies file attributes
            PID:4656
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2696
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
            5⤵
            • Sets file to hidden
            • System Location Discovery: System Language Discovery
            • Views/modifies file attributes
            PID:4872
        • C:\Windows\SysWOW64\notepad.exe
          notepad
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5816
      • C:\Users\Admin\AppData\Local\Temp\EXTREME INJECTOR V3.EXE
        "C:\Users\Admin\AppData\Local\Temp\EXTREME INJECTOR V3.EXE"
        3⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5260 -ip 5260
    1⤵
      PID:5580

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          DARK.EXE
          • Path C:\Users\Admin\AppData\Local\Temp\DARK.EXE
          • Size 251KB
          • SHA256 9c2453652be9ea2b8df3a5c72a200aaf2e5e7052dd6a3862daba8de9a5456a81
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          DENEME1.EXE
          • Path C:\Users\Admin\AppData\Local\Temp\DENEME1.EXE
          • Size 7.3MB
          • SHA256 0d6700c88bed062c24ef70ee4681eac7557816b082ad239b922b1b4c046d456e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          EXTREME INJECTOR V3.EXE
          • Path C:\Users\Admin\AppData\Local\Temp\EXTREME INJECTOR V3.EXE
          • Size 1.9MB
          • SHA256 b65f40618f584303ca0bcf9b5f88c233cc4237699c0c4bf40ba8facbe8195a46
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          EXTREME INJECTOR V4.EXE
          • Path C:\Users\Admin\AppData\Local\Temp\EXTREME INJECTOR V4.EXE
          • Size 2.2MB
          • SHA256 9d83238681860d30db785ea443b7e720752f55e96089384fad93c4f9efd37eb8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2756-40-0x00000000003C0000-0x00000000005A6000-memory.dmp
          Download

          memory/2756-43-0x000000001D0D0000-0x000000001D10C000-memory.dmp
          Download

          memory/2756-42-0x000000001B2E0000-0x000000001B2F2000-memory.dmp
          Download

          memory/5260-20-0x0000000000050000-0x00000000004BC000-memory.dmp
          Download

          memory/5260-15-0x0000000073FA2000-0x0000000073FA3000-memory.dmp
          Download

          memory/5816-41-0x0000000000840000-0x0000000000841000-memory.dmp
          Download

          memory/6084-29-0x0000000000400000-0x00000000004B7000-memory.dmp
          Download

          memory/6084-45-0x0000000000400000-0x00000000004B7000-memory.dmp
          Download

          memory/6084-47-0x0000000000400000-0x00000000004B7000-memory.dmp
          Download

          memory/6084-49-0x0000000000400000-0x00000000004B7000-memory.dmp
          Download

          memory/6084-58-0x0000000000400000-0x00000000004B7000-memory.dmp
          Download