Analysis Overview
Threat Level: Likely malicious
The file http://www.welcorp.com/broadcasts/optout.asp?BID=69470940&DistID=1&[email protected] was found to be: Likely malicious.
Malicious Activity Summary
A potential corporate email address has been identified in the URL: [email protected]
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-06 23:21
Signatures
A potential corporate email address has been identified in the URL: [email protected]
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 23:21
Reported
2024-06-06 23:28
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
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 http://www.welcorp.com/broadcasts/optout.asp?BID=69470940&DistID=1&[email protected]
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,0x100,0x104,0xd8,0x108,0x7ffc6f0146f8,0x7ffc6f014708,0x7ffc6f014718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,14124951837717902044,12745771094704459814,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /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=2104,14124951837717902044,12745771094704459814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2220 /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=2104,14124951837717902044,12745771094704459814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2684 /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=2104,14124951837717902044,12745771094704459814,131072 --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=3284 /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=2104,14124951837717902044,12745771094704459814,131072 --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=3244 /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=2104,14124951837717902044,12745771094704459814,131072 --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=4128 /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=2104,14124951837717902044,12745771094704459814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4120 /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=2104,14124951837717902044,12745771094704459814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4120 /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=2104,14124951837717902044,12745771094704459814,131072 --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=5256 /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=2104,14124951837717902044,12745771094704459814,131072 --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=5244 /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=2104,14124951837717902044,12745771094704459814,131072 --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=5092 /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=2104,14124951837717902044,12745771094704459814,131072 --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=5076 /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=2104,14124951837717902044,12745771094704459814,131072 --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=4928 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.welcorp.com | udp |
| AU | 119.252.77.44:80 | www.welcorp.com | tcp |
| AU | 119.252.77.44:80 | www.welcorp.com | tcp |
| AU | 119.252.77.44:80 | www.welcorp.com | tcp |
| US | 8.8.8.8:53 | welcorp.com | udp |
| AU | 119.252.77.44:443 | welcorp.com | tcp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.77.252.119.in-addr.arpa | udp |
| AU | 119.252.77.44:443 | welcorp.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.192.11.51.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 612a6c4247ef652299b376221c984213 |
| SHA1 | d306f3b16bde39708aa862aee372345feb559750 |
| SHA256 | 9d8e24c91cff338e56b518a533cb2e49a2803356bbf6e04892fb168a7ce2844a |
| SHA512 | 34a14d63abb1e3fe0f9927a94393043d458fe0624843e108d290266f554018e6379cba924cb5388735abdd6c5f1e2e318478a673f3f9b762815a758866d10973 |
\??\pipe\LOCAL\crashpad_2364_CMBZGDXQHOTPCLCT
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 56641592f6e69f5f5fb06f2319384490 |
| SHA1 | 6a86be42e2c6d26b7830ad9f4e2627995fd91069 |
| SHA256 | 02d4984e590e947265474d592e64edde840fdca7eb881eebde3e220a1d883455 |
| SHA512 | c75e689b2bbbe07ebf72baf75c56f19c39f45d5593cf47535eb722f95002b3ee418027047c0ee8d63800f499038db5e2c24aff9705d830c7b6eaa290d9adc868 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 1d49178593e894472aceb74e0260a47a |
| SHA1 | 600bc160f7ca4ece44062d5f6831cb629e9d5703 |
| SHA256 | f065081a873dbb3e022ebb8076d95f941337f885108885d6b94420ff2fafec99 |
| SHA512 | 2993c761c488bbbc9b49e23197ad863d305786530dd37644b1d55dcbbe6a5d47be55718dfe6c237787a92a680c23a13d8092df9536367a2322f56d4b0bb8ca2d |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
| MD5 | 46295cac801e5d4857d09837238a6394 |
| SHA1 | 44e0fa1b517dbf802b18faf0785eeea6ac51594b |
| SHA256 | 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443 |
| SHA512 | 8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
| MD5 | 206702161f94c5cd39fadd03f4014d98 |
| SHA1 | bd8bfc144fb5326d21bd1531523d9fb50e1b600a |
| SHA256 | 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167 |
| SHA512 | 0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | f32f7715ecf743caf2da317f962dd4a7 |
| SHA1 | 16668d62ab01fc51df230c6e4b2424a5939a4de0 |
| SHA256 | 9a52d4c6cea0fb6b468498d0e72e32ec4f08bfd9ea7e5ae2ffb393ebcd316888 |
| SHA512 | d39e553c9ef8a9847f001fe554079a4f7843522fae94683566046f330900942a463b31948e175456c7271bbf59fd10e15b3301c969db816d727e2d92aa4d5674 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | abdf145d6a2e8b137ac96c9f826050b2 |
| SHA1 | e61f0daca5471150af7ddc1c4be4bfa38275bea7 |
| SHA256 | 60fa298b83edd6e5bc7c3180c7111198abab876c5757d1ae629eccb8e596a2fd |
| SHA512 | a59e5b13a6a46d19d4a75a51e0d6f0774c312d1ca70e0f5d3b7244bb138317b6ac3544b08c0aec4275af812be32e6b90c7678396dcde9d16b13fc6af96ad7b58 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
| MD5 | 807419ca9a4734feaf8d8563a003b048 |
| SHA1 | a723c7d60a65886ffa068711f1e900ccc85922a6 |
| SHA256 | aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631 |
| SHA512 | f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | dbc46249390eeac698c68fb53c37b4ed |
| SHA1 | 588171ee64926e51ea497e24f8c655ca9dceaa3d |
| SHA256 | f3de03c4f9bff84538cf48061f08680d7f2d90d785a6d2e584527405e0d75904 |
| SHA512 | b8b8e98ad1a54242c5831fec290fc1dc21af3a05046f4f2580277abcebde3dfdd4245cd7f2da89421b4b20869b7f0ab6d567ba431b36faaa49c8622a5551675a |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
| MD5 | ec5c4987d6a379feacbacd797d2b1691 |
| SHA1 | a7bd71700d3caa83fb5cb62b79c6d78b7c807acb |
| SHA256 | 16509b7817450ef65a5ab7e3b28ad443b10890ebe54099a30e4b12cef549d592 |
| SHA512 | 64dec8568a2983a50d4a420e11b3020b4a3bf641af7d8018652eb3ca80d2dd308e5d2f20779bdb8569ae862802f04a764b52aaba3197b9f71ce4a071211184f0 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe57d62c.TMP
| MD5 | be95e62c6e763f6a890c5d63a706b009 |
| SHA1 | 88c3d7b03f15cda4d5e4114fb99f4bee36f9cb3b |
| SHA256 | 75d96a6de1c475258e632ba3e6972be587ede60a06d58bb806c33c3be2555ecb |
| SHA512 | 6e8b9231a7189e6047c25e3e512fb205c17577c2eed257e47fa76da570b4c83c9f8f63faefd7ca5e146bf260d27b0b9ebffd59c7e12af320d4feb665141c7775 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
| MD5 | 754c4d8d16c397294fe2d5e3524fbaad |
| SHA1 | e3d70d71b0e1e1e22138ae256988784d17d960b8 |
| SHA256 | 36020b399fddff3c94cec075de9630d7686f5560b9738d0e116309e2bfdc75c7 |
| SHA512 | 8b34a658630a320614735c3c3620c57d81d5fe746a72a30aff66ead2742e012cc78cb7a72d9ffac410f8bd1daf859a63fff55833e2651ce5407a6b473911e5b0 |