Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 00:28

General

  • Target

    krampus.exe

  • Size

    5.6MB

  • MD5

    e3f7cfc15aecea1f817fd9e1c91b2b33

  • SHA1

    4427bc42173e964762c4f003628502ec601d45c0

  • SHA256

    64706688105210a3c3d265aceb11475e38bc1f35ffcd72a8d38bacc0806653eb

  • SHA512

    ed233e15a3d3947feb95c388355d7a8b05a06b2c74997b80dba331facf991f57ae252976a2465bec74c13075d06fa5cdc1930ee8e87da830e6bd1821f8eb2733

  • SSDEEP

    98304:R4UGDPt5D8brm4+Bo4M4du9I0y1ZKnnyZhK9iYRiBSqXGijc/Elh:R4/PD8m4IAOsI0fyiwS/iYsh

Score
7/10

Malware Config

Signatures

  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\krampus.exe
    "C:\Users\Admin\AppData\Local\Temp\krampus.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c start https://krampus-three.vercel.app/
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://krampus-three.vercel.app/
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1044
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fffe50f46f8,0x7fffe50f4708,0x7fffe50f4718
          4⤵
            PID:4968
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:2
            4⤵
              PID:2024
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2172 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4564
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2712 /prefetch:8
              4⤵
                PID:3352
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3304 /prefetch:1
                4⤵
                  PID:2976
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3316 /prefetch:1
                  4⤵
                    PID:4896
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
                    4⤵
                      PID:1612
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:5116
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5240 /prefetch:1
                      4⤵
                        PID:3816
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5252 /prefetch:1
                        4⤵
                          PID:1972
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5556 /prefetch:1
                          4⤵
                            PID:4492
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5548 /prefetch:1
                            4⤵
                              PID:4540
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,1718166192811276635,2630522115455876970,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5384 /prefetch:2
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2292
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c taskkill /f /im HTTPDebuggerUI.exe >nul 2>&1
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:3444
                          • C:\Windows\system32\taskkill.exe
                            taskkill /f /im HTTPDebuggerUI.exe
                            3⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:3112
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:5116
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1268

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            0446fcdd21b016db1f468971fb82a488

                            SHA1

                            726b91562bb75f80981f381e3c69d7d832c87c9d

                            SHA256

                            62c5dc18b25e758f3508582a7c58bb46b734a774d97fc0e8a20614235caa8222

                            SHA512

                            1df7c085042266959f1fe0aedc5f6d40ceba485b54159f51f0c38f17bb250b79ea941b735e1b6faf219f23fe8ab65ac4557f545519d52d5416b89ad0f9047a31

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            9b008261dda31857d68792b46af6dd6d

                            SHA1

                            e82dc88e2d1da2df7cb19d79a0346b9bb90d52b3

                            SHA256

                            9ac598d4f8170f7e475d84103aead9e3c23d5f2d292741a7f56a17bde8b6f7da

                            SHA512

                            78853091403a06beeec4998e2e3a4342111895ffd485f7f7cd367741a4883f7a25864cba00a6c86f27dc0c9ce9d04f08011ecc40c8ae9383d33274739ac39f10

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                            Filesize

                            144B

                            MD5

                            d72d72f7a498947df2cac1de3bfd0dff

                            SHA1

                            16e18ebeee6df7e42e6c34bbf53a6dda482e1d97

                            SHA256

                            7c949bed5a0e3978d4d16f19cc2130366bc4defc7f5507eb99911af204998b89

                            SHA512

                            f60dbde6f4f1bd0b5085f64401bf364d0228a984f455c40a51a19f1173c22e0b66802253cd354ace5b943be11b1a8588608f9ec0040c89dbd771f2fea217928a

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            347B

                            MD5

                            f3515f18ab71592c2d2d195ab5ac681d

                            SHA1

                            eb5c61270a211d80b8d6c1161ab1b661210bc3b1

                            SHA256

                            6704357116071a412fdf5030b911fa55fb39e7784e40be824b5fdae41be8b3f4

                            SHA512

                            2b3b182e6f0f304068edbec459743c4b03dab9acda9c639600e600b0ee1cafe5c21697f7d27b69e897e1867cf4fb7d819c77dc1ea1757e84d22868aca2ffb667

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            e2236d86d997037c982a4841085db419

                            SHA1

                            c2b8a31858d2ab9ca7383cb0d2833968d91d409c

                            SHA256

                            2df561541b896043d30873749034ec6499335499e83734a091dc4f7d539cc839

                            SHA512

                            59b97d78032233c22d8ba361dada2946634ece174be458ea9cc56e5cef6d3fcf345e066743a84a3ac7e245b38e92d31bb6e86eb6488c801f57a5a74fcb2b2687

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            22d24122a4dfdb5a553c8a5e6b5e7803

                            SHA1

                            509e5ab6ecdb463d3835693a7189b4924380549c

                            SHA256

                            d86b9c53330b764500740ba9013274d39ae85a871fbb2a61386f600d51501d49

                            SHA512

                            0f9eccb09296fda6fa5001e0d191267c673743f248a448526ac5d8f8516a0d1c4c8c2f6de4c48f6f8aff8365b1dc0ffef40684184576d2c1efbdcf026a8de484

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            6752a1d65b201c13b62ea44016eb221f

                            SHA1

                            58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                            SHA256

                            0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                            SHA512

                            9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            11KB

                            MD5

                            7993b2c92e7c41d0c1eb7ab27069ee72

                            SHA1

                            9efcd1685c16cf36de5eb85f09f6e5958148b323

                            SHA256

                            015701ac1447276dc932895c61ed771a42ce15fc04731b3d409efe609573596a

                            SHA512

                            52635ed2d0f23bdf7e6fd1d82e7cf0d37f64852811ad3517a4d039365724c42f453821c13f4fca79c72a0a6e94a313b7972f6c7f867e554cc0fa203c9a3c59cf

                          • memory/3600-7-0x0000000140000000-0x0000000140AF3000-memory.dmp

                            Filesize

                            10.9MB

                          • memory/3600-15-0x0000000140000000-0x0000000140AF3000-memory.dmp

                            Filesize

                            10.9MB

                          • memory/3600-9-0x000000014022B000-0x0000000140562000-memory.dmp

                            Filesize

                            3.2MB

                          • memory/3600-0-0x000000014022B000-0x0000000140562000-memory.dmp

                            Filesize

                            3.2MB

                          • memory/3600-2-0x00007FF802D00000-0x00007FF802D02000-memory.dmp

                            Filesize

                            8KB

                          • memory/3600-1-0x00007FF802CF0000-0x00007FF802CF2000-memory.dmp

                            Filesize

                            8KB