Analysis
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max time kernel
153s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2024 00:18
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.walkerhill.com/kr/membership/SkEmployeeExpirationEmail.wh?tempIdx=196347&guid=67F4801D-BA79-FB82-9D3C-346F071FC197
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
https://www.walkerhill.com/kr/membership/SkEmployeeExpirationEmail.wh?tempIdx=196347&guid=67F4801D-BA79-FB82-9D3C-346F071FC197
Resource
win10v2004-20231215-en
General
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Target
https://www.walkerhill.com/kr/membership/SkEmployeeExpirationEmail.wh?tempIdx=196347&guid=67F4801D-BA79-FB82-9D3C-346F071FC197
Malware Config
Signatures
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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 -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1372 msedge.exe 1372 msedge.exe 3360 msedge.exe 3360 msedge.exe 264 identity_helper.exe 264 identity_helper.exe 4156 msedge.exe 4156 msedge.exe 4156 msedge.exe 4156 msedge.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
pid Process 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe -
Suspicious use of SendNotifyMessage 24 IoCs
pid Process 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe 3360 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3360 wrote to memory of 4448 3360 msedge.exe 84 PID 3360 wrote to memory of 4448 3360 msedge.exe 84 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 3616 3360 msedge.exe 85 PID 3360 wrote to memory of 1372 3360 msedge.exe 86 PID 3360 wrote to memory of 1372 3360 msedge.exe 86 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87 PID 3360 wrote to memory of 1432 3360 msedge.exe 87
Processes
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.walkerhill.com/kr/membership/SkEmployeeExpirationEmail.wh?tempIdx=196347&guid=67F4801D-BA79-FB82-9D3C-346F071FC1971⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3360 -
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,0x100,0x104,0xd8,0x108,0x7ffe353e46f8,0x7ffe353e4708,0x7ffe353e47182⤵PID:4448
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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=2132,13987687316225100691,1322305703243032935,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:22⤵PID:3616
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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=2132,13987687316225100691,1322305703243032935,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2196 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:1372
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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=2132,13987687316225100691,1322305703243032935,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2876 /prefetch:82⤵PID:1432
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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=2132,13987687316225100691,1322305703243032935,131072 --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=3372 /prefetch:12⤵PID:2356
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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=2132,13987687316225100691,1322305703243032935,131072 --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=3356 /prefetch:12⤵PID:1740
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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=2132,13987687316225100691,1322305703243032935,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4324 /prefetch:12⤵PID:1736
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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=2132,13987687316225100691,1322305703243032935,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5648 /prefetch:82⤵PID:1816
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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=2132,13987687316225100691,1322305703243032935,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5648 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:264
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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=2132,13987687316225100691,1322305703243032935,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5524 /prefetch:12⤵PID:4456
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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=2132,13987687316225100691,1322305703243032935,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5500 /prefetch:12⤵PID:1452
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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=2132,13987687316225100691,1322305703243032935,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4872 /prefetch:12⤵PID:1728
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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=2132,13987687316225100691,1322305703243032935,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5320 /prefetch:12⤵PID:3448
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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=2132,13987687316225100691,1322305703243032935,131072 --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=1828 /prefetch:22⤵
- Suspicious behavior: EnumeratesProcesses
PID:4156
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2664
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4692
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5efc9c7501d0a6db520763baad1e05ce8
SHA160b5e190124b54ff7234bb2e36071d9c8db8545f
SHA2567af7b56e2f0a84ae008785726f3404eb9001baa4b5531d0d618c6bdcb05a3a7a
SHA512bda611ddba56513a30295ea5ca8bc59e552154f860d13fed97201cdb81814dd6d1bca7deca6f8f58c9ae585d91e450f4383a365f80560f4b8e59a4c8b53c327d
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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
Filesize912B
MD56ec154a5ffd51cf218c89e520267df4a
SHA1455af61ac3c138a6b16257fbfbc4c9a780cc90a8
SHA256a50a62f37b5b6980dce757cec9a6fb6767d0101ecc8980759754e6b91f88a6aa
SHA5128ab0f63271bf2c5247e8803a98da780c0ff3ac73767343d4aa8bc0b9c4a2c1e996e84d75adc0fad261f5610f1d336fded77fa3656e7d07d29ee7454cd0ca52ca
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Filesize
2KB
MD5c8a0c3a5567620d0250044129233cb90
SHA16c171dd046ac0a9da9a89ba94fe2437b7bf60555
SHA256926c35d11690896e2096494ee878ab635b43c4ba516890fc015075b1af161ff0
SHA512c45b2f58b64e0d32bbe1d012633d9f27c0976605a4df2adafe0d727a7b4ebfedb8f1ed675aa0a747f63547e86d4b89a57c6b44550c92dc5f09aa7ea8081f2d61
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Filesize
111B
MD5807419ca9a4734feaf8d8563a003b048
SHA1a723c7d60a65886ffa068711f1e900ccc85922a6
SHA256aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631
SHA512f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c
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Filesize
111B
MD5285252a2f6327d41eab203dc2f402c67
SHA1acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6
SHA2565dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
SHA51211ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d
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Filesize
5KB
MD5e229f24b761d078fea78f150bed96723
SHA1553a31c4e8c113bbe506bed8d06efde9cbac789d
SHA2560eee0617701d7268780b684a4b1cf0e130e9acefb95dc03a44725fb53d86d2de
SHA5128e1cf014f57343b523b730c215c8d058f556082bdfd7a13787c9c31d7290731f623a5cd97ea62df432604d13d2c8f61dc53b59d9ccd083eec989bbfdc0cde1df
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Filesize
6KB
MD5813f851b2046db5fd151e3ba7a584ec8
SHA1df1353ba44f84a504d74d736c25be10b1e49f2b9
SHA256b8b27eae6242aedead4a7ca9bb4e009aa7428f09d06fbe5ab25f57fa025955f7
SHA51236c9b505d304070c7b484cc29a616ecba3ad08aa0f437d419728c306b4832850d74849b27f5537ae12c0a4f49b4899262c6c45a7d8241d25ecb92f1230f54391
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Filesize
6KB
MD5f332246dc0e95cf0188810380fcb9cc1
SHA115fb5a31320e2c1dd5aff403544c3584f6d05f90
SHA256e2c707ed0631789c85be605512f4f12dd49ee9e89a73d33f00b6488810c75604
SHA512d984ec390056d446e8dfe4fe2bd9b3fce9b47a464aa66130d8e7135506d6349400781e01208c007034d8dd6bf56f9b4342e7365fc7b1f069a006888ea8037f48
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Filesize
6KB
MD52e67c4ec95351fd299d2684221c3ffa9
SHA128814ff93672eeb6bc93bcf009f8f6c1962bb698
SHA256c323f6382dc8982c4b9bc8c536945f861e195e71d2c7b02bdd7b99bf1ad2fbb2
SHA512ef0cfe2a14166a443e56f4629fdfe3ff2363f1e4371db55e2edc38774fb38616a83bb550c142e93fbb100a7395ad14354cfb3fbeffe4cb37cb1b78ed0c6e26f0
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Filesize
24KB
MD5121510c1483c9de9fdb590c20526ec0a
SHA196443a812fe4d3c522cfdbc9c95155e11939f4e2
SHA256cf5d26bc399d0200a32080741e12f77d784a3117e6d58e07106e913f257aa46c
SHA512b367741da9ab4e9a621ad663762bd9c459676e0fb1412e60f7068834cbd5c83b050608e33d5320e1b191be1d809fef48831e0f42b3ecabd38b24ec222576fa81
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
10KB
MD59401371ebbc15c405fa11b6d17f260c9
SHA14a04f3e610a50a70aac8cbd9a6cd5c169328a035
SHA256ef012f8bdc2ca814a3b28ff662c2e42e155a1c4ba0e7addf89da28b4296b8c29
SHA51221dc5d051075c6f08f080f01c14e7a0326e99cc346911ab4803ad307f1c46f6a87279acf0bb47cf1d3dc3f5943da83ee362a7b1c93dec80e8d58fc86a00a850f
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Filesize
10KB
MD5b6308a0f0bc31aa93ed71dc819402018
SHA12e9a9057885827d00ee9972db1346fb6a201d6c1
SHA2569dcd1a92ffba3987af823dc87f4116063f6b45f92fc2cba577c13df6b3c735f0
SHA5128ccc825d9479b497653773354a73bcd4577da1e92ce3215bdf12bca478ebada77462a042a8e6579c2611b2f840ebea85f0f2d1757774439edc90885793b5647f