Analysis

  • max time kernel
    153s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 04:46

General

  • Target

    06160291415e47db3c11816c825cf81e9d9b709b894342518f67ef52a9826397.exe

  • Size

    436KB

  • MD5

    74e09e6568f65ad52cbc96f72cb31400

  • SHA1

    e79c603182b1fd9d198247af00be9a3cefc51210

  • SHA256

    06160291415e47db3c11816c825cf81e9d9b709b894342518f67ef52a9826397

  • SHA512

    78949f8598ce50b7bb355ed6b59f5b01124cef8ab2bae1bd6cabba6f6e4260a2511fef92060fb4b823e17c4040841994fe2547a89b76648724e7b52b5d78e364

  • SSDEEP

    6144:6wItv0HIwLLFCWv4+C5/ZFD9UXOEPyHmKL9dE+OzhS6izw0oJlPg:63oOjLQV6HfE+Ozrizw5Jlo

Malware Config

Extracted

Family

darkcomet

Botnet

Lul

C2

grrr.no-ip.org:1604

morans.no-ip.biz:1604

morans.no-ip.org:1604

Mutex

DC_MUTEX-0D8NNLE

Attributes
  • gencode

    AmCYTKSaZjnL

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 10 IoCs

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

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06160291415e47db3c11816c825cf81e9d9b709b894342518f67ef52a9826397.exe
    "C:\Users\Admin\AppData\Local\Temp\06160291415e47db3c11816c825cf81e9d9b709b894342518f67ef52a9826397.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Users\Admin\AppData\Local\Temp\06160291415e47db3c11816c825cf81e9d9b709b894342518f67ef52a9826397.exe
      "C:\Users\Admin\AppData\Local\Temp\06160291415e47db3c11816c825cf81e9d9b709b894342518f67ef52a9826397.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Users\Admin\AppData\Roaming\Windows\W7.exe
        "C:\Users\Admin\AppData\Roaming\Windows\W7.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:572
        • C:\Users\Admin\AppData\Roaming\Windows\W7.exe
          "C:\Users\Admin\AppData\Roaming\Windows\W7.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:896
          • C:\Windows\SysWOW64\bitsadmin.exe
            "C:\Windows\system32\bitsadmin.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1936
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\MFUEM.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1596
              • C:\Windows\SysWOW64\reg.exe
                REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "W7.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows\W7.exe" /f
                7⤵
                • Adds Run key to start application
                PID:1484
        • C:\Users\Admin\AppData\Roaming\Windows\W7.exe
          "C:\Users\Admin\AppData\Roaming\Windows\W7.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1480

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\MFUEM.bat

          Filesize

          138B

          MD5

          422f78c09d2fad901947aff10115e540

          SHA1

          5bc69f68c1d9d6cf46233349c4a5c2a7830592de

          SHA256

          4ff904ef2cb6d79403ff58feadb91372b4824c851073db1c0b80db53c6beaacd

          SHA512

          a357b4f7335176150061ac6494e963575f77b3664c4d8b3561860dff7ecfbe4828c1c5feb6c03f5a69c886cfdfa7a2b69e1d199e976603bf62b9c2e11e234a3d

        • C:\Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • C:\Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • C:\Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • C:\Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • \Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • \Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • \Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • \Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • \Users\Admin\AppData\Roaming\Windows\W7.exe

          Filesize

          436KB

          MD5

          d6ad8646b9237750b612819494b04bc0

          SHA1

          2ad1cf8420648d1e663eec90016fdf02bc4c6c7c

          SHA256

          bcf353ae39a5c4bb7660c7619fe8b4a6cdc24d4c8809289a4084a7bc859d0446

          SHA512

          798e3ab5f159a9b92541f29c62b487dab1ea4b6cde187f236ac35fc834a1d49ff75508a5f249fad806bd086fafdcf69b00e928227be82ead4eeccc9480e03b88

        • memory/572-99-0x00000000005F7000-0x00000000005F9000-memory.dmp

          Filesize

          8KB

        • memory/896-121-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/896-133-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/944-75-0x00000000008F7000-0x00000000008F9000-memory.dmp

          Filesize

          8KB

        • memory/944-72-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-59-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-58-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-74-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-73-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-60-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-71-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-56-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-62-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-63-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-67-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-69-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/944-68-0x00000000008F0000-0x00000000008F4000-memory.dmp

          Filesize

          16KB

        • memory/1324-96-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/1324-76-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/1324-77-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/1324-88-0x0000000075C61000-0x0000000075C63000-memory.dmp

          Filesize

          8KB

        • memory/1324-87-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/1324-79-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/1324-82-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/1480-112-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-127-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-117-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-120-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-122-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-124-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-126-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-135-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-115-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-134-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB

        • memory/1480-110-0x0000000000400000-0x00000000004B7000-memory.dmp

          Filesize

          732KB