Analysis
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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
Behavioral task
behavioral1
Sample
krampus.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
krampus.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
krampus.exe
Resource
macos-20240711.1-en
General
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Target
krampus.exe
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Size
5.6MB
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MD5
e3f7cfc15aecea1f817fd9e1c91b2b33
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SHA1
4427bc42173e964762c4f003628502ec601d45c0
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SHA256
64706688105210a3c3d265aceb11475e38bc1f35ffcd72a8d38bacc0806653eb
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SHA512
ed233e15a3d3947feb95c388355d7a8b05a06b2c74997b80dba331facf991f57ae252976a2465bec74c13075d06fa5cdc1930ee8e87da830e6bd1821f8eb2733
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SSDEEP
98304:R4UGDPt5D8brm4+Bo4M4du9I0y1ZKnnyZhK9iYRiBSqXGijc/Elh:R4/PD8m4IAOsI0fyiwS/iYsh
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3600-7-0x0000000140000000-0x0000000140AF3000-memory.dmp vmprotect behavioral2/memory/3600-15-0x0000000140000000-0x0000000140AF3000-memory.dmp vmprotect -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3600 krampus.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe -
Kills process with taskkill 1 IoCs
pid Process 3112 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3600 krampus.exe 3600 krampus.exe 3600 krampus.exe 3600 krampus.exe 4564 msedge.exe 4564 msedge.exe 1044 msedge.exe 1044 msedge.exe 5116 identity_helper.exe 5116 identity_helper.exe 2292 msedge.exe 2292 msedge.exe 2292 msedge.exe 2292 msedge.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
pid Process 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3112 taskkill.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe -
Suspicious use of SendNotifyMessage 24 IoCs
pid Process 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe 1044 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3600 wrote to memory of 2676 3600 krampus.exe 88 PID 3600 wrote to memory of 2676 3600 krampus.exe 88 PID 2676 wrote to memory of 1044 2676 cmd.exe 90 PID 2676 wrote to memory of 1044 2676 cmd.exe 90 PID 1044 wrote to memory of 4968 1044 msedge.exe 92 PID 1044 wrote to memory of 4968 1044 msedge.exe 92 PID 3600 wrote to memory of 3444 3600 krampus.exe 93 PID 3600 wrote to memory of 3444 3600 krampus.exe 93 PID 3444 wrote to memory of 3112 3444 cmd.exe 95 PID 3444 wrote to memory of 3112 3444 cmd.exe 95 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 2024 1044 msedge.exe 97 PID 1044 wrote to memory of 4564 1044 msedge.exe 98 PID 1044 wrote to memory of 4564 1044 msedge.exe 98 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99 PID 1044 wrote to memory of 3352 1044 msedge.exe 99
Processes
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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.exeC:\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,0x100,0x104,0xd8,0x108,0x7fffe50f46f8,0x7fffe50f4708,0x7fffe50f47184⤵PID:4968
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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:24⤵PID:2024
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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:34⤵
- Suspicious behavior: EnumeratesProcesses
PID:4564
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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:84⤵PID:3352
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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:14⤵PID:2976
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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:14⤵PID:4896
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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:84⤵PID:1612
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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:84⤵
- Suspicious behavior: EnumeratesProcesses
PID:5116
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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:14⤵PID:3816
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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:14⤵PID:1972
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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:14⤵PID:4492
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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:14⤵PID:4540
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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:24⤵
- Suspicious behavior: EnumeratesProcesses
PID:2292
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c taskkill /f /im HTTPDebuggerUI.exe >nul 2>&12⤵
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Windows\system32\taskkill.exetaskkill /f /im HTTPDebuggerUI.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3112
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5116
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD50446fcdd21b016db1f468971fb82a488
SHA1726b91562bb75f80981f381e3c69d7d832c87c9d
SHA25662c5dc18b25e758f3508582a7c58bb46b734a774d97fc0e8a20614235caa8222
SHA5121df7c085042266959f1fe0aedc5f6d40ceba485b54159f51f0c38f17bb250b79ea941b735e1b6faf219f23fe8ab65ac4557f545519d52d5416b89ad0f9047a31
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Filesize
152B
MD59b008261dda31857d68792b46af6dd6d
SHA1e82dc88e2d1da2df7cb19d79a0346b9bb90d52b3
SHA2569ac598d4f8170f7e475d84103aead9e3c23d5f2d292741a7f56a17bde8b6f7da
SHA51278853091403a06beeec4998e2e3a4342111895ffd485f7f7cd367741a4883f7a25864cba00a6c86f27dc0c9ce9d04f08011ecc40c8ae9383d33274739ac39f10
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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
Filesize144B
MD5d72d72f7a498947df2cac1de3bfd0dff
SHA116e18ebeee6df7e42e6c34bbf53a6dda482e1d97
SHA2567c949bed5a0e3978d4d16f19cc2130366bc4defc7f5507eb99911af204998b89
SHA512f60dbde6f4f1bd0b5085f64401bf364d0228a984f455c40a51a19f1173c22e0b66802253cd354ace5b943be11b1a8588608f9ec0040c89dbd771f2fea217928a
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Filesize
347B
MD5f3515f18ab71592c2d2d195ab5ac681d
SHA1eb5c61270a211d80b8d6c1161ab1b661210bc3b1
SHA2566704357116071a412fdf5030b911fa55fb39e7784e40be824b5fdae41be8b3f4
SHA5122b3b182e6f0f304068edbec459743c4b03dab9acda9c639600e600b0ee1cafe5c21697f7d27b69e897e1867cf4fb7d819c77dc1ea1757e84d22868aca2ffb667
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Filesize
6KB
MD5e2236d86d997037c982a4841085db419
SHA1c2b8a31858d2ab9ca7383cb0d2833968d91d409c
SHA2562df561541b896043d30873749034ec6499335499e83734a091dc4f7d539cc839
SHA51259b97d78032233c22d8ba361dada2946634ece174be458ea9cc56e5cef6d3fcf345e066743a84a3ac7e245b38e92d31bb6e86eb6488c801f57a5a74fcb2b2687
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Filesize
6KB
MD522d24122a4dfdb5a553c8a5e6b5e7803
SHA1509e5ab6ecdb463d3835693a7189b4924380549c
SHA256d86b9c53330b764500740ba9013274d39ae85a871fbb2a61386f600d51501d49
SHA5120f9eccb09296fda6fa5001e0d191267c673743f248a448526ac5d8f8516a0d1c4c8c2f6de4c48f6f8aff8365b1dc0ffef40684184576d2c1efbdcf026a8de484
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
11KB
MD57993b2c92e7c41d0c1eb7ab27069ee72
SHA19efcd1685c16cf36de5eb85f09f6e5958148b323
SHA256015701ac1447276dc932895c61ed771a42ce15fc04731b3d409efe609573596a
SHA51252635ed2d0f23bdf7e6fd1d82e7cf0d37f64852811ad3517a4d039365724c42f453821c13f4fca79c72a0a6e94a313b7972f6c7f867e554cc0fa203c9a3c59cf