Analysis

  • max time kernel
    68s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    28-02-2021 10:19

Errors

Reason
Machine shutdown

General

  • Target

    1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22.exe

  • Size

    594KB

  • MD5

    6815e92e3b69abb83257aff53ccf411b

  • SHA1

    dd588b78d08d8eea3f553fe1cec692ac2340111b

  • SHA256

    1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

  • SHA512

    1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 3 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22.exe
    "C:\Users\Admin\AppData\Local\Temp\1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe
      "C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe"
      2⤵
      • Executes dropped EXE
      PID:684
    • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe
      "C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe"
      2⤵
      • Executes dropped EXE
      PID:1724
    • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe
      "C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe"
      2⤵
      • Executes dropped EXE
      PID:1804
    • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe
      "C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
          PID:1448
        • C:\Users\Admin\Documents\skypes.exe
          "C:\Users\Admin\Documents\skypes.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1152
          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe
            "C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1444
            • C:\Windows\SysWOW64\notepad.exe
              notepad
              5⤵
                PID:1196
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x0
        1⤵
          PID:1660
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x1
          1⤵
            PID:308

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\Documents\skypes.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • C:\Users\Admin\Documents\skypes.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • \Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • \Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • \Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • \Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • \Users\Admin\AppData\Local\Temp\vY5tyhPjQ9k3sUGd\svhostis.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • \Users\Admin\Documents\skypes.exe

            MD5

            6815e92e3b69abb83257aff53ccf411b

            SHA1

            dd588b78d08d8eea3f553fe1cec692ac2340111b

            SHA256

            1810092b7599bad7adea10aeaf4df0c2af29fc85c0904662bab674f231752e22

            SHA512

            1227bf5619eb7ae56ca4382db764cb55db5a77c3f549cfc478ddee59e35f24408848e737f005209ffa289414a2eb6f5128bd002c95448b103485e33f5bb054a1

          • memory/308-43-0x0000000002760000-0x0000000002761000-memory.dmp

            Filesize

            4KB

          • memory/1152-27-0x00000000020F0000-0x00000000020F1000-memory.dmp

            Filesize

            4KB

          • memory/1152-23-0x0000000000000000-mapping.dmp

          • memory/1196-34-0x0000000000000000-mapping.dmp

          • memory/1196-35-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/1444-30-0x00000000004B57C0-mapping.dmp

          • memory/1444-37-0x0000000000400000-0x00000000004B7000-memory.dmp

            Filesize

            732KB

          • memory/1444-38-0x00000000000A0000-0x00000000000A1000-memory.dmp

            Filesize

            4KB

          • memory/1448-17-0x0000000000190000-0x0000000000191000-memory.dmp

            Filesize

            4KB

          • memory/1448-16-0x0000000000000000-mapping.dmp

          • memory/1648-20-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1648-19-0x0000000000400000-0x00000000004B7000-memory.dmp

            Filesize

            732KB

          • memory/1648-12-0x00000000004B57C0-mapping.dmp

          • memory/1648-11-0x0000000000400000-0x00000000004B7000-memory.dmp

            Filesize

            732KB

          • memory/1660-40-0x000007FEFC021000-0x000007FEFC023000-memory.dmp

            Filesize

            8KB

          • memory/1660-41-0x00000000027C0000-0x00000000027C1000-memory.dmp

            Filesize

            4KB

          • memory/1924-2-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

            Filesize

            8KB

          • memory/1924-3-0x0000000000C40000-0x0000000000C41000-memory.dmp

            Filesize

            4KB