Analysis
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max time kernel
10s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-08-2024 21:33
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://pub-c8681bd78a264f138f4dc6b2c9560d8a.r2.dev/letencypurpose.html
Resource
win10v2004-20240802-en
General
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Target
https://pub-c8681bd78a264f138f4dc6b2c9560d8a.r2.dev/letencypurpose.html
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 6 IoCs
pid Process 532 msedge.exe 532 msedge.exe 4236 msedge.exe 4236 msedge.exe 4416 identity_helper.exe 4416 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
pid Process 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe -
Suspicious use of SendNotifyMessage 24 IoCs
pid Process 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe 4236 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4236 wrote to memory of 2816 4236 msedge.exe 84 PID 4236 wrote to memory of 2816 4236 msedge.exe 84 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 1760 4236 msedge.exe 85 PID 4236 wrote to memory of 532 4236 msedge.exe 86 PID 4236 wrote to memory of 532 4236 msedge.exe 86 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 msedge.exe 87 PID 4236 wrote to memory of 2588 4236 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://pub-c8681bd78a264f138f4dc6b2c9560d8a.r2.dev/letencypurpose.html1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4236 -
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,0x100,0x104,0xb4,0x108,0x7ffa198346f8,0x7ffa19834708,0x7ffa198347182⤵PID:2816
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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=2144,17249779226904878368,2193726538215747120,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:22⤵PID:1760
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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=2144,17249779226904878368,2193726538215747120,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:532
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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=2144,17249779226904878368,2193726538215747120,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2936 /prefetch:82⤵PID:2588
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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=2144,17249779226904878368,2193726538215747120,131072 --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=3312 /prefetch:12⤵PID:1412
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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=2144,17249779226904878368,2193726538215747120,131072 --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=3328 /prefetch:12⤵PID:2192
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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=2144,17249779226904878368,2193726538215747120,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5208 /prefetch:82⤵PID:552
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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=2144,17249779226904878368,2193726538215747120,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5208 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:4416
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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=2144,17249779226904878368,2193726538215747120,131072 --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=5176 /prefetch:12⤵PID:4884
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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=2144,17249779226904878368,2193726538215747120,131072 --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=5292 /prefetch:12⤵PID:3472
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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=2144,17249779226904878368,2193726538215747120,131072 --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=5720 /prefetch:12⤵PID:4960
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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=2144,17249779226904878368,2193726538215747120,131072 --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=5712 /prefetch:12⤵PID:1292
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2940
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
152B
MD59e3fc58a8fb86c93d19e1500b873ef6f
SHA1c6aae5f4e26f5570db5e14bba8d5061867a33b56
SHA256828f4eacac1c40b790fd70dbb6fa6ba03dcc681171d9b2a6579626d27837b1c4
SHA512e5e245b56fa82075e060f468a3224cf2ef43f1b6d87f0351a2102d85c7c897e559be4caeaecfdc4059af29fdc674681b61229319dda95cb2ee649b2eb98d313e
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Filesize
152B
MD527304926d60324abe74d7a4b571c35ea
SHA178b8f92fcaf4a09eaa786bbe33fd1b0222ef29c1
SHA2567039ad5c2b40f4d97c8c2269f4942be13436d739b2e1f8feb7a0c9f9fdb931de
SHA512f5b6181d3f432238c7365f64fc8a373299e23ba8178bcc419471916ef8b23e909787c7c0617ab22e4eb90909c02bd7b84f1386fbc61e2bdb5a0eb474175da4bd
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Filesize
6KB
MD5979686b55dfe5fc23dde5d425793bebb
SHA15b4f1cca2a836aece1f64b4336c582bcf2087707
SHA2567b8c9870dda1a08f560c40f5f905d6b366d0965ca322827b3585db3e173d2fbf
SHA512e7d9ca746185bdd5bbba79ab517874610d5f89f8e0663e529ae99ddc41903794d32bd8183bb292ca7c92b02c1ab8319acc1a747c02ce8c4462f418737a2ab7de
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389