Analysis Overview
Threat Level: Likely malicious
The file https://dff.koreacyro.com/[email protected] was found to be: Likely malicious.
Malicious Activity Summary
A potential corporate email address has been identified in the URL: [email protected]
Detected potential entity reuse from brand microsoft.
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 Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-07 01:18
Signatures
A potential corporate email address has been identified in the URL: [email protected]
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 01:18
Reported
2024-06-07 01:21
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Detected potential entity reuse from brand microsoft.
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| 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 |
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 |
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://dff.koreacyro.com/[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,0x100,0x104,0xd8,0x108,0x7ffa088046f8,0x7ffa08804708,0x7ffa08804718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,3492884464993200648,3433272275935692604,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2096 /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=2100,3492884464993200648,3433272275935692604,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2172 /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=2100,3492884464993200648,3433272275935692604,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2632 /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=2100,3492884464993200648,3433272275935692604,131072 --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=3144 /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=2100,3492884464993200648,3433272275935692604,131072 --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: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=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2100,3492884464993200648,3433272275935692604,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4580 /prefetch:8
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4c8 0x2f8
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=2100,3492884464993200648,3433272275935692604,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5224 /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=2100,3492884464993200648,3433272275935692604,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5224 /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=2100,3492884464993200648,3433272275935692604,131072 --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=5752 /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=2100,3492884464993200648,3433272275935692604,131072 --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=5768 /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=2100,3492884464993200648,3433272275935692604,131072 --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=5692 /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=2100,3492884464993200648,3433272275935692604,131072 --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=3352 /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=2100,3492884464993200648,3433272275935692604,131072 --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=3044 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dff.koreacyro.com | udp |
| NL | 94.156.69.226:443 | dff.koreacyro.com | tcp |
| US | 8.8.8.8:53 | 226.69.156.94.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | ff099d12-621c84c0.koreacyro.com | udp |
| US | 8.8.8.8:53 | c89969eb-621c84c0.koreacyro.com | udp |
| NL | 94.156.69.226:443 | c89969eb-621c84c0.koreacyro.com | tcp |
| NL | 94.156.69.226:443 | c89969eb-621c84c0.koreacyro.com | tcp |
| NL | 94.156.69.226:443 | c89969eb-621c84c0.koreacyro.com | tcp |
| US | 8.8.8.8:53 | l1ve.koreacyro.com | udp |
| NL | 94.156.69.226:443 | l1ve.koreacyro.com | tcp |
| US | 8.8.8.8:53 | 2cd04cff-621c84c0.koreacyro.com | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wwwms.koreacyro.com | udp |
| US | 8.8.8.8:53 | 53ab4a12-621c84c0.koreacyro.com | udp |
| US | 8.8.8.8:53 | 885c34ca-621c84c0.koreacyro.com | udp |
| US | 8.8.8.8:53 | 49ac25e3-621c84c0.koreacyro.com | udp |
| US | 8.8.8.8:53 | f1885af2-621c84c0.koreacyro.com | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.71.105.51.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_2136_EWCOBIGIFBIIYMEQ
| 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 | c8b8bf6149d9274851160efdbaad9713 |
| SHA1 | 0f624385e1ff4b696e058df25f01a012bfbef5d3 |
| SHA256 | 61131ef4e01ef0301cdbcc38719a4fbd798049d3f96df41a1d52aeddb71eb47f |
| SHA512 | 3e58bfbdccc8c6b88437abbf5c9079445a1125180bb90487a59e7cf4cdb51472060fdce343f696e2b0ae6fae525ae5027ed3e2dcb6af4e226b67c0a25ec2ca9d |
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 | 6ae4c1c6f57445873f919d68c6368f60 |
| SHA1 | 5dc0c0745bf61d2a577f28efd7502c807efba1e3 |
| SHA256 | a4c74ad4fea424844f29f38ebbf879ab50b966ba4549bb802c45ce77ae567919 |
| SHA512 | b0c70a6e17f9829e2c64c2338f79c74dec7fab3323b8aacce66701ee4b8eb157e45b09cdc83990f55366280e1330f70df7ee0af1aae0a0917157b062cb46ad7f |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | ab2dc05dbaf4fc7644cb246ab42b83ae |
| SHA1 | 3f73499073345e3732546bbb3a961f0ce6aa1128 |
| SHA256 | ebeac4cec947476286b4ce5aa4d4004ce851dfd9e43219001881120cb6eaeb35 |
| SHA512 | 8c8553581dbb6a6533f878c73728c0d0e06cfe5fcfd044c2f80cdb611c6e32c41bede67bd2b41d362164583bdb88072af26bee754f90a613173b2e7690bc0021 |
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\Code Cache\js\index-dir\the-real-index
| MD5 | 9e4be14dcd4d92d144e69c07f29c8ee0 |
| SHA1 | f1cadfdb09bc13f6371af764cf4291abfb03e416 |
| SHA256 | 44be7349c0dbfc3f2777cd9a00d589701d42be7e4a83556b87ccc213c24e106c |
| SHA512 | 95be74fb1256119445d07ddeb05b45de9505ca04845c2ed995f8b011bc3563678f5df8495af893b20f43c5d05efac996799744d2c13829b7ad1fa080827dab60 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 4b1f37929987f779a6db55d81c066754 |
| SHA1 | 410695efaf260936e2ae481f3a4d252f3d72ddc4 |
| SHA256 | c5aaf1e41685c20afc0937be7fc8ad8906cd2704e5e9e45d9a4a65b5199ad8d6 |
| SHA512 | f391d948259d80615fa96d4a4d02dcabd44cde26cd420ab5d419aa767dfffff6fa2ae3c62c0ea3c54a06f9303944b503b405a91fe351605feb0d00ef3d948ba5 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
| MD5 | ac19fbf314727ad7202607238f3b4ef2 |
| SHA1 | 8c62134a89b2b8eb676abc31e97ee9a440e02d5c |
| SHA256 | 190b417a12798009ec3dc4e588f663ca8dfbb2dc917047ecdb24b3b18aca1a08 |
| SHA512 | 9c88e97281219014256d1202f44aebab5741593b76aef34098ad46d8034641491aa8dbb765e7f619c0773fc01eeda3ee1214e0c39363bb8f8138ca6d43824cb2 |