Resubmissions
05/04/2024, 22:37
240405-2jwy7aec7w 8Analysis
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max time kernel
7s -
max time network
8s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05/04/2024, 22:37
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://es.sempra-infra.splunkcloud.com/en-US/app/SplunkEnterpriseSecuritySuite/search?q=search%20index%3Dglobal_proofpoint%20sourcetype%3Dproofpoint_tap_siem%20eventType%3DmessagesDelivered%20completelyRewritten%3Dfalse%20threatsInfoMap%7B%7D.threatStatus!%3DfalsePositive%20NOT%20%0A%20%20%20%20%5B%20inputlookup%20soc_whitelist.csv%20%0A%20%20%20%20%7C%20search%20rule%3D%22Sempra%20-%20Phishing%20Attack%20Against%20Off-Prem%20Mailbox%22%20%0A%20%20%20%20%7C%20rename%20src_user%20as%20headerFrom%20%0A%20%20%20%20%7C%20table%20headerFrom%5D%0A%7C%20spath%20%22fromAddress%7B%7D%22%0A%7C%20search%20fromAddress%7B%7D%3Dnoreply%40wetransfer.com&earliest=1712354400&latest=1712355300&sid=1712356533.887428&display.page.search.mode=verbose&dispatch.sample_ratio=1#
Resource
win10v2004-20240226-en
General
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Target
https://es.sempra-infra.splunkcloud.com/en-US/app/SplunkEnterpriseSecuritySuite/search?q=search%20index%3Dglobal_proofpoint%20sourcetype%3Dproofpoint_tap_siem%20eventType%3DmessagesDelivered%20completelyRewritten%3Dfalse%20threatsInfoMap%7B%7D.threatStatus!%3DfalsePositive%20NOT%20%0A%20%20%20%20%5B%20inputlookup%20soc_whitelist.csv%20%0A%20%20%20%20%7C%20search%20rule%3D%22Sempra%20-%20Phishing%20Attack%20Against%20Off-Prem%20Mailbox%22%20%0A%20%20%20%20%7C%20rename%20src_user%20as%20headerFrom%20%0A%20%20%20%20%7C%20table%20headerFrom%5D%0A%7C%20spath%20%22fromAddress%7B%7D%22%0A%7C%20search%20fromAddress%7B%7D%3Dnoreply%40wetransfer.com&earliest=1712354400&latest=1712355300&sid=1712356533.887428&display.page.search.mode=verbose&dispatch.sample_ratio=1#
Malware Config
Signatures
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Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3476 msedge.exe 3476 msedge.exe 4560 msedge.exe 4560 msedge.exe 1448 identity_helper.exe 1448 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
pid Process 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe -
Suspicious use of SendNotifyMessage 24 IoCs
pid Process 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe 4560 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4560 wrote to memory of 4508 4560 msedge.exe 86 PID 4560 wrote to memory of 4508 4560 msedge.exe 86 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 400 4560 msedge.exe 87 PID 4560 wrote to memory of 3476 4560 msedge.exe 88 PID 4560 wrote to memory of 3476 4560 msedge.exe 88 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89 PID 4560 wrote to memory of 4272 4560 msedge.exe 89
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://es.sempra-infra.splunkcloud.com/en-US/app/SplunkEnterpriseSecuritySuite/search?q=search%20index%3Dglobal_proofpoint%20sourcetype%3Dproofpoint_tap_siem%20eventType%3DmessagesDelivered%20completelyRewritten%3Dfalse%20threatsInfoMap%7B%7D.threatStatus!%3DfalsePositive%20NOT%20%0A%20%20%20%20%5B%20inputlookup%20soc_whitelist.csv%20%0A%20%20%20%20%7C%20search%20rule%3D%22Sempra%20-%20Phishing%20Attack%20Against%20Off-Prem%20Mailbox%22%20%0A%20%20%20%20%7C%20rename%20src_user%20as%20headerFrom%20%0A%20%20%20%20%7C%20table%20headerFrom%5D%0A%7C%20spath%20%22fromAddress%7B%7D%22%0A%7C%20search%20fromAddress%7B%7D%3Dnoreply%40wetransfer.com&earliest=1712354400&latest=1712355300&sid=1712356533.887428&display.page.search.mode=verbose&dispatch.sample_ratio=1#1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4560 -
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,0x100,0x104,0xd8,0x108,0x7ffabd6946f8,0x7ffabd694708,0x7ffabd6947182⤵PID:4508
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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=2140,17227480648252786702,8028798233871161017,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:22⤵PID:400
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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=2140,17227480648252786702,8028798233871161017,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2240 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:3476
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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=2140,17227480648252786702,8028798233871161017,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2800 /prefetch:82⤵PID:4272
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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=2140,17227480648252786702,8028798233871161017,131072 --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:12⤵PID:4680
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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=2140,17227480648252786702,8028798233871161017,131072 --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=3320 /prefetch:12⤵PID:4780
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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=2140,17227480648252786702,8028798233871161017,131072 --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=5036 /prefetch:12⤵PID:4000
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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=2140,17227480648252786702,8028798233871161017,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5328 /prefetch:82⤵PID:4412
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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=2140,17227480648252786702,8028798233871161017,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5328 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:1448
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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=2140,17227480648252786702,8028798233871161017,131072 --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=5324 /prefetch:12⤵PID:3848
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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=2140,17227480648252786702,8028798233871161017,131072 --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=5468 /prefetch:12⤵PID:4028
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4552
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4872
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5f35bb0615bb9816f562b83304e456294
SHA11049e2bd3e1bbb4cea572467d7c4a96648659cb4
SHA25605e80abd624454e5b860a08f40ddf33d672c3fed319aac180b7de5754bc07b71
SHA512db9100f3e324e74a9c58c7d9f50c25eaa4c6c4553c93bab9b80c6f7bef777db04111ebcd679f94015203b240fe9f4f371cae0d4290ec891a4173c746ff4b11c1
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Filesize
152B
MD51eb86108cb8f5a956fdf48efbd5d06fe
SHA17b2b299f753798e4891df2d9cbf30f94b39ef924
SHA2561b53367e0041d54af89e7dd59733231f5da1393c551ed2b943c89166c0baca40
SHA512e2a661437688a4a01a6eb3b2bd7979ecf96b806f5a487d39354a7f0d44cb693a3b1c2cf6b1247b04e4106cc816105e982569572042bdddb3cd5bec23b4fce29d
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Filesize
6KB
MD5de30f9acabf4678ed57881a1d848b1de
SHA1ecaf20806b36171ce62b6b8d52541845648eb364
SHA25697319aafbedbfe1e29845f01aa732c760a257d5629160a6c8538a31f3f034f27
SHA5122939174f6d0b0948348801753dd3c5ed7c9413a87771afdf2a2d7365a9936c896c3e8fab21a3a393982441bc10938388735be973f7e36df604ec3e33ff139fd6
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389