Analysis Overview
Threat Level: Likely malicious
The file https://www.reytorogroup.com/r/?cmFuZDE9Ulc1TFNVeFpUVGx4UVE9PSZzdj1vMzY1XzExX3NwJnJhbmQyPU5XWllaSE5SUTNkNmVRPT0mdWlkPVVTRVIyNjA1MjAyNFVOSVFVRTExMzEwNTI2MTQyMDI0MjAyNDA1MjYzMTExMTQmcmFuZDM9V1VjMlZ6RjBObTB3Umc9PQ==N0123Nmichael@Hkcpas.com 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 SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-29 19:02
Signatures
A potential corporate email address has been identified in the URL: [email protected]
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-29 19:02
Reported
2024-05-29 19:03
Platform
win10v2004-20240426-en
Max time kernel
70s
Max time network
66s
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 |
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 |
| 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://www.reytorogroup.com/r/?cmFuZDE9Ulc1TFNVeFpUVGx4UVE9PSZzdj1vMzY1XzExX3NwJnJhbmQyPU5XWllaSE5SUTNkNmVRPT0mdWlkPVVTRVIyNjA1MjAyNFVOSVFVRTExMzEwNTI2MTQyMDI0MjAyNDA1MjYzMTExMTQmcmFuZDM9V1VjMlZ6RjBObTB3Umc9PQ==N0123Nmichael@Hkcpas.com
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,0x100,0x104,0xd8,0x108,0x7fff561b46f8,0x7fff561b4708,0x7fff561b4718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,7631044950135617095,9957659460025777809,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2132 /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=2124,7631044950135617095,9957659460025777809,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /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=2124,7631044950135617095,9957659460025777809,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2768 /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=2124,7631044950135617095,9957659460025777809,131072 --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=3348 /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=2124,7631044950135617095,9957659460025777809,131072 --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=3364 /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\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=2124,7631044950135617095,9957659460025777809,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /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=2124,7631044950135617095,9957659460025777809,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /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=2124,7631044950135617095,9957659460025777809,131072 --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=5600 /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=2124,7631044950135617095,9957659460025777809,131072 --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=5616 /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=2124,7631044950135617095,9957659460025777809,131072 --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=3408 /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=2124,7631044950135617095,9957659460025777809,131072 --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=5736 /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=2124,7631044950135617095,9957659460025777809,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6140 /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=2124,7631044950135617095,9957659460025777809,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3620 /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=2124,7631044950135617095,9957659460025777809,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1976 /prefetch:1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.reytorogroup.com | udp |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 208.109.58.44:443 | www.reytorogroup.com | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | f53207a5ca2ef5c7e976cbb3cb26d870 |
| SHA1 | 49a8cc44f53da77bb3dfb36fc7676ed54675db43 |
| SHA256 | 19ab4e3c9da6d9cedda7461efdba9a2085e743513ab89f1dd0fd5a8f9486ad23 |
| SHA512 | be734c7e8afda19f445912aef0d78f9941add29baebd4a812bff27f10a1d78b52aeb11c551468c8644443c86e1a2a6b2e4aead3d7f81d39925e3c20406ac1499 |
\??\pipe\LOCAL\crashpad_2696_NCSGAMMLAORIEDCQ
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | ae54e9db2e89f2c54da8cc0bfcbd26bd |
| SHA1 | a88af6c673609ecbc51a1a60dfbc8577830d2b5d |
| SHA256 | 5009d3c953de63cfd14a7d911156c514e179ff07d2b94382d9caac6040cb72af |
| SHA512 | e3b70e5eb7321b9deca6f6a17424a15b9fd5c4008bd3789bd01099fd13cb2f4a2f37fe4b920fb51c50517745b576c1f94df83efd1a7e75949551163985599998 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 430ba26549e2748bafc78f39921eee9b |
| SHA1 | 504172e719192e250baa589b2e1ad109e52d8cf4 |
| SHA256 | 132cb67ee98cd32dd9dc2eedfaed6b956bfebad03c77e0342246a425f7ad948e |
| SHA512 | b761e75fe75a4c042fb8453360d6972321df637bcc9f4fc253e1dda5164f58eaf2b57077ae456eba3b8f02c5dce147747eb468d7877f5bd5be47d0fc4050476b |
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 | 510b5d50280a2576edd4aeb76269edd7 |
| SHA1 | 11e2fd23a9f04f7f0abd5be8f5b665de4e64dfec |
| SHA256 | d19cce74831f97439228299289542d143cd34f4311c551be28157ffcf4617d82 |
| SHA512 | 886f9b3859edb4a07c1d3cb31b81cb8219be9d9dd00917a9a78ec7b373e9faa85ccb0166deaef73a42071a0df2f7012a6c118c728ec8fc79c2411dac816834f4 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 9a454accc152dd2d9e1ff79a02f65c2e |
| SHA1 | 35fe323f3c82cfb08be313084ac191d7033bc793 |
| SHA256 | eed82a342a2cdd7d0901625a73e6b531c195bebd423c6afa0f5988241421b37c |
| SHA512 | 245d162a5a4068507d13a14594e3bfc3fc1e7215b10565153be047ed272472a8fbc4a39ca1a40280c87f5077c496a07d45091db17be130b8786b22df6c202e63 |