Analysis Overview
Threat Level: Likely benign
The file https://aka.ms/AAb9ysg was found to be: Likely benign.
Malicious Activity Summary
Detected potential entity reuse from brand microsoft.
Browser Information Discovery
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-13 09:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-13 09:32
Reported
2024-08-13 09:35
Platform
win10v2004-20240802-en
Max time kernel
145s
Max time network
138s
Command Line
Signatures
Detected potential entity reuse from brand microsoft.
Browser Information Discovery
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/AAb9ysg
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,0x100,0x104,0xd8,0x108,0x7ffe661546f8,0x7ffe66154708,0x7ffe66154718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
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=2140,11635148403245191234,7615147037635982150,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2368 /prefetch:3
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=2140,11635148403245191234,7615147037635982150,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2828 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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=3336 /prefetch:1
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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=5008 /prefetch:1
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=2140,11635148403245191234,7615147037635982150,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3524 /prefetch:8
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=2140,11635148403245191234,7615147037635982150,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3524 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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=5200 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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=5228 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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=3488 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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=4160 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,11635148403245191234,7615147037635982150,131072 --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=5444 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aka.ms | udp |
| IE | 2.19.62.62:443 | aka.ms | tcp |
| US | 8.8.8.8:53 | krs.microsoft.com | udp |
| US | 13.107.246.64:443 | krs.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 8.8.8.8:53 | play-lh.googleusercontent.com | udp |
| NL | 172.217.168.246:443 | play-lh.googleusercontent.com | tcp |
| GB | 184.25.193.234:443 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 62.62.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.246.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.s-microsoft.com | udp |
| GB | 184.26.57.234:443 | c.s-microsoft.com | tcp |
| US | 8.8.8.8:53 | 246.168.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.193.25.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.57.26.184.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 983cbc1f706a155d63496ebc4d66515e |
| SHA1 | 223d0071718b80cad9239e58c5e8e64df6e2a2fe |
| SHA256 | cc34b8f8e3f4bfe4c9a227d88f56ea2dd276ca3ac81df622ff5e9a8ec46b951c |
| SHA512 | d9cf2ca46d9379902730c81e615a3eb694873ffd535c6bb3ded2dc97cdbbfb71051ab11a07754ed6f610f04285605b702b5a48a6cfda3ee3287230c41c9c45cd |
\??\pipe\LOCAL\crashpad_728_SMEKRRQZRKEWSKQY
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 111c361619c017b5d09a13a56938bd54 |
| SHA1 | e02b363a8ceb95751623f25025a9299a2c931e07 |
| SHA256 | d7be4042a1e3511b0dbf0ab5c493245e4ac314440a4ae0732813db01a21ef8bc |
| SHA512 | fc16a4ad0b56899b82d05114d7b0ca8ee610cdba6ff0b6a67dea44faf17b3105109335359b78c0a59c9011a13152744a7f5d4f6a5b66ea519df750ef03f622b2 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 4d85e40ffc2586758339c2ffd2c8c888 |
| SHA1 | 346976da91a46c1756e621e5b313f020f643bf87 |
| SHA256 | 2e5a33fc9587fee41b0c91113dade44b43b5adbb3d30de57345ca22a88a76c8e |
| SHA512 | 0ae8fb38c08ddc3830dfad80b237ea3cb2f18a7e6ac0550e1338645e85cbfe0123c35ceeb9bfaf3b616a510e435ecb127ff7878b42ad1faca22c77c65ee25e48 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
| MD5 | 6752a1d65b201c13b62ea44016eb221f |
| SHA1 | 58ecf154d01a62233ed7fb494ace3c3d4ffce08b |
| SHA256 | 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd |
| SHA512 | 9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | bd73af51af56ba33620c5826fd5f5476 |
| SHA1 | f6c81105d27ec9645242ffdc229db488f64daac5 |
| SHA256 | 9804536020fb1e240757d1da534b1b01f364d2fba94ee3759601ea0988c22da6 |
| SHA512 | 238c39c79d998e9f718eff112590ed0aed82bcd8035551580efb759ccb25afc42b337699baa5628acb9a2a826a483e8d0a73f754e9363ddc35184c8e0318e2de |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\b21cf2d0-ac6e-4901-ba17-657a962790b6.tmp
| MD5 | 131548529879a5620fe100fbaede7880 |
| SHA1 | 44c894ed06bb7f26912e53896c459b2d88218103 |
| SHA256 | 40c85929a1238caf75617db4d8fc1063f8e72ba70d31e0e9d9bcd53d82342361 |
| SHA512 | a7f3ee4631737f837520e71bb9e99b02da775512eff4df61e1afea09d3c8d831c64a6145dadb853caaf658514e711692257277c6c25bd505ace80fe9903ad18d |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
| MD5 | 4f954023e9aab35a91479682ea0b1202 |
| SHA1 | d5cc0609db9b64be7424ad5afa68189f4c3039a4 |
| SHA256 | ff873bbf0a10aa07a09199ffdadbf6d0964055c57c857b3795b68912977c8bf4 |
| SHA512 | b4e3d11a059ea613e3d79b0b1a75ce1ac8b56d68bc15fe021de128631746cac9be58a9d8ab8803556d582a458acd5be8e5c69bce30623ae923647f06a4f803f2 |