Analysis Overview
Threat Level: Known bad
The file https://shorturl.at/us7lS was found to be: Known bad.
Malicious Activity Summary
Discord RAT
Executes dropped EXE
Loads dropped DLL
Checks processor information in registry
Modifies registry class
NTFS ADS
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-03 20:50
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 20:50
Reported
2024-06-03 20:51
Platform
win11-20240508-en
Max time kernel
67s
Max time network
69s
Command Line
Signatures
Discord RAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Downloads\release\Release\Discord rat.exe | N/A |
| N/A | N/A | C:\Users\Admin\Downloads\release\builder.exe | N/A |
| N/A | N/A | C:\Users\Admin\Downloads\release\Client-built.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Downloads\release\builder.exe | N/A |
| N/A | N/A | C:\Users\Admin\Downloads\release\builder.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\Local Settings | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
NTFS ADS
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\Downloads\release.zip:Zone.Identifier | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
| Token: 35 | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Downloads\release\Release\Discord rat.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Downloads\release\Client-built.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
| N/A | N/A | C:\Program Files\Mozilla Firefox\firefox.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://shorturl.at/us7lS"
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://shorturl.at/us7lS
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.0.1888269553\239651528" -parentBuildID 20230214051806 -prefsHandle 1740 -prefMapHandle 1732 -prefsLen 22074 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {0c1d65d5-75f9-40f9-92c1-8a8fe251c062} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 1832 2467ac0b958 gpu
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.1.1494917607\1643861216" -parentBuildID 20230214051806 -prefsHandle 2348 -prefMapHandle 2336 -prefsLen 22925 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8a8318fa-db9d-4efc-8613-0f28ce4848c6} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 2376 2466e086b58 socket
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.2.1557989565\2114495583" -childID 1 -isForBrowser -prefsHandle 3232 -prefMapHandle 3240 -prefsLen 22963 -prefMapSize 235121 -jsInitHandle 1364 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b33a1e98-6f39-4b9e-8216-290f000f7ccd} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 3236 2467dd2bb58 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.3.511991495\709457882" -childID 2 -isForBrowser -prefsHandle 3408 -prefMapHandle 3424 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 1364 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e49c735a-b4fb-4ce2-bbdf-dcff8ed2bcf3} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 3400 2466e076e58 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.4.2054886368\1808533223" -childID 3 -isForBrowser -prefsHandle 5228 -prefMapHandle 5212 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 1364 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {eed1246d-ab06-4b7e-a16a-66a864f59cca} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 5184 24682149858 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.5.1536926321\51918635" -childID 4 -isForBrowser -prefsHandle 3136 -prefMapHandle 3008 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 1364 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {40b2fc06-53bf-4ad2-baa4-d4df17d1d0f9} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 3092 2468362e858 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.6.1244569555\1376185794" -childID 5 -isForBrowser -prefsHandle 5588 -prefMapHandle 5592 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 1364 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5fe723aa-333e-447d-9172-5ca86f6c8fe7} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 5580 2468362bb58 tab
C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2316.7.1611172782\1597628075" -childID 6 -isForBrowser -prefsHandle 5772 -prefMapHandle 5776 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 1364 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ac976937-4846-442e-93bc-b8f5ff3746de} 2316 "\\.\pipe\gecko-crash-server-pipe.2316" 4812 2468362eb58 tab
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\release\" -ad -an -ai#7zMap24022:76:7zEvent17155
C:\Users\Admin\Downloads\release\Release\Discord rat.exe
"C:\Users\Admin\Downloads\release\Release\Discord rat.exe"
C:\Users\Admin\Downloads\release\builder.exe
"C:\Users\Admin\Downloads\release\builder.exe"
C:\Users\Admin\Downloads\release\Client-built.exe
"C:\Users\Admin\Downloads\release\Client-built.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:49723 | tcp | |
| US | 8.8.8.8:53 | shorturl.at | udp |
| US | 8.8.8.8:53 | contile.services.mozilla.com | udp |
| US | 8.8.8.8:53 | spocs.getpocket.com | udp |
| US | 8.8.8.8:53 | getpocket.cdn.mozilla.net | udp |
| US | 8.8.8.8:53 | content-signature-2.cdn.mozilla.net | udp |
| US | 8.8.8.8:53 | shavar.services.mozilla.com | udp |
| US | 8.8.8.8:53 | push.services.mozilla.com | udp |
| US | 44.237.98.207:443 | shavar.services.mozilla.com | tcp |
| US | 104.26.8.129:443 | www.shorturl.at | tcp |
| US | 34.120.5.221:443 | prod.pocket.prod.cloudops.mozgcp.net | tcp |
| US | 34.160.144.191:443 | prod.content-signature-chains.prod.webservices.mozgcp.net | tcp |
| US | 34.117.188.166:443 | contile.services.mozilla.com | udp |
| US | 34.117.188.166:443 | contile.services.mozilla.com | udp |
| US | 34.117.188.166:443 | contile.services.mozilla.com | tcp |
| US | 34.149.100.209:443 | firefox.settings.services.mozilla.com | tcp |
| US | 34.107.243.93:443 | push.services.mozilla.com | tcp |
| US | 34.107.243.93:443 | push.services.mozilla.com | tcp |
| US | 104.26.8.129:443 | www.shorturl.at | tcp |
| GB | 20.26.156.215:443 | github.com | tcp |
| US | 34.107.243.93:443 | push.services.mozilla.com | tcp |
| US | 34.149.100.209:443 | firefox.settings.services.mozilla.com | tcp |
| US | 185.199.111.154:443 | github.githubassets.com | tcp |
| US | 185.199.111.154:443 | github.githubassets.com | tcp |
| US | 185.199.111.154:443 | github.githubassets.com | tcp |
| US | 185.199.111.154:443 | github.githubassets.com | tcp |
| US | 185.199.111.154:443 | github.githubassets.com | tcp |
| US | 185.199.111.154:443 | github.githubassets.com | tcp |
| US | 185.199.108.133:443 | avatars.githubusercontent.com | tcp |
| US | 140.82.113.22:443 | collector.github.com | tcp |
| US | 140.82.113.22:443 | collector.github.com | tcp |
| GB | 20.26.156.210:443 | api.github.com | tcp |
| N/A | 127.0.0.1:49729 | tcp | |
| US | 185.199.109.133:443 | avatars.githubusercontent.com | tcp |
| US | 162.159.133.234:443 | gateway.discord.gg | tcp |
| US | 162.159.133.234:443 | gateway.discord.gg | tcp |
Files
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\dpu1uz4v.default-release\activity-stream.discovery_stream.json.tmp
| MD5 | 3dd04d7050d1d8718cd5afe93d1bc0c3 |
| SHA1 | d4a47999f055d51be69d6a8008134f40f3e536ce |
| SHA256 | 3d7786d244aab54df6e49ce31ccf7f27adb79749a87feec784cb175b214a5781 |
| SHA512 | 17fca4b9ed0bb3a4069a3e721072ff81629018232e027df2dd98a1947ec0d5929ccf0bfd3bbdf4137ad48f590d31dee80b8d191c145e6c2e2dfe118d7e5070c8 |
C:\Users\Admin\Downloads\release.oRSdGBeC.zip.part
| MD5 | d678cd12dbebff98f3ec7fda0a384f28 |
| SHA1 | 4fc2ebf50f156c8c8c979b80de501299eabe3386 |
| SHA256 | 68e60c074e827632e78c8644f0b86000279163b44213cc7a3245f1e200b9f120 |
| SHA512 | edb00e32a1ac8e1b451c2425d5b323776cc2f6b2e8446e07e2621972bf23d86d49cccae746528d86ac5c4aecac36d7af565cea29af712a9206064f84e08ed50d |
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dpu1uz4v.default-release\sessionstore-backups\recovery.jsonlz4
| MD5 | e3b3f822bab6d44e9bf4afa82e26d0bd |
| SHA1 | 2beb91ec4076bb5e5e5c7edb90759669fb770f66 |
| SHA256 | 8ae54bf6d6edbb21592d8444f4214fc3f92819de8546b0099feb1967c81a3604 |
| SHA512 | be1a98059e21c0a048b5878d0ad13a502e8512cb3e8ccab22b0d9f68710f54b88d7b7bece18823ba6a93556cd775f3bf29a9e0c850f37000d8ed483fdb287d2e |
C:\Users\Admin\Downloads\release.zip
| MD5 | 06a4fcd5eb3a39d7f50a0709de9900db |
| SHA1 | 50d089e915f69313a5187569cda4e6dec2d55ca7 |
| SHA256 | c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97 |
| SHA512 | 75e5f637fd3282d088b1c0c1efd0de8a128f681e4ac66d6303d205471fe68b4fbf0356a21d803aff2cca6def455abad8619fedc8c7d51e574640eda0df561f9b |
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dpu1uz4v.default-release\prefs-1.js
| MD5 | 1e42d8674e7e825c361113e24f55a016 |
| SHA1 | 4576244a37aa5f63f7aae2125d13c066c94c6ee7 |
| SHA256 | 29a9f314ebfdafe1bb3dae9fcab7e4c1874fe7cc8c3a11887a6069f428206efb |
| SHA512 | 74b8cadfd6ac4832fc5483b34dc98ca09a044890732504870e58bf678d7ef21caf3cc77a01585f86042fa53199f2bc1e357fcd1a2d2a57abd987b86dcf1f2567 |
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dpu1uz4v.default-release\sessionstore-backups\recovery.jsonlz4
| MD5 | 6d303b675eed5732ffee6cc830d6d197 |
| SHA1 | 9c63809251314859cd66afb73f371fa2921b3b4a |
| SHA256 | 299090e64b91c0808aa5d2230107f27355c21216f711f95781b7f9f53b4cd95d |
| SHA512 | 3381b6226af85264295460a82752d4614952017c39c6588741e878285ec08d12442eb7b0aa29a9b1d2c5fa3a65d805534c451fa684a133c82dbc3477643cd1a5 |
C:\Users\Admin\Downloads\release\Release\Discord rat.exe
| MD5 | d13905e018eb965ded2e28ba0ab257b5 |
| SHA1 | 6d7fe69566fddc69b33d698591c9a2c70d834858 |
| SHA256 | 2bd631c6665656673a923c13359b0dc211debc05b2885127e26b0dce808e2dec |
| SHA512 | b95bfdebef33ac72b6c21cdf0abb4961222b7efd17267cd7236e731dd0b6105ece28e784a95455f1ffc8a6dd1d580a467b07b3bd8cb2fb19e2111f1a864c97cb |
memory/2556-224-0x00007FFED8AC3000-0x00007FFED8AC5000-memory.dmp
memory/2556-225-0x000001F0F1C80000-0x000001F0F1C98000-memory.dmp
memory/2556-226-0x000001F0F4300000-0x000001F0F44C2000-memory.dmp
memory/2556-227-0x00007FFED8AC0000-0x00007FFED9582000-memory.dmp
memory/2556-228-0x000001F0F4B50000-0x000001F0F5078000-memory.dmp
C:\Users\Admin\Downloads\release\builder.exe
| MD5 | 4f04f0e1ff050abf6f1696be1e8bb039 |
| SHA1 | bebf3088fff4595bfb53aea6af11741946bbd9ce |
| SHA256 | ded51c306ee7e59fa15c42798c80f988f6310ea77ab77de3d12dc01233757cfa |
| SHA512 | 94713824b81de323e368fde18679ef8b8f2883378bffd2b7bd2b4e4bd5d48b35c6e71c9f8e9b058ba497db1bd0781807e5b7cecfd540dad611da0986c72b9f12 |
memory/2348-231-0x0000000000690000-0x0000000000698000-memory.dmp
memory/2348-232-0x0000000005640000-0x0000000005BE6000-memory.dmp
memory/2348-233-0x0000000005090000-0x0000000005122000-memory.dmp
memory/2348-234-0x0000000005010000-0x000000000501A000-memory.dmp
C:\Users\Admin\Downloads\release\dnlib.dll
| MD5 | 508ccde8bc7003696f32af7054ca3d97 |
| SHA1 | 1f6a0303c5ae5dc95853ec92fd8b979683c3f356 |
| SHA256 | 4758c7c39522e17bf93b3993ada4a1f7dd42bb63331bac0dcd729885e1ba062a |
| SHA512 | 92a59a2e1f6bf0ce512d21cf4148fe027b3a98ed6da46925169a4d0d9835a7a4b1374ba0be84e576d9a8d4e45cb9c2336e1f5bd1ea53e39f0d8553db264e746d |
memory/2348-242-0x0000000006640000-0x0000000006762000-memory.dmp
C:\Users\Admin\Downloads\release\Client-built.exe
| MD5 | 5fa78b19ae158350ead3ef50feb6a7a2 |
| SHA1 | 57d57ca525968fd9d5a9ee38e783e288896caa01 |
| SHA256 | 1d4914ee768fbaf1b82a860ace972a01338c12a05ff7dbdde42bfab43b21a4d5 |
| SHA512 | c0d0803b5ceaa4c3013132ead8d8a95faae4a01933c41cb4c998572c2a31c971faab5bb2c488aee8d73a16a0037a78e09130e1ecd2804c40f0665399c404c00e |
memory/3124-258-0x000001CCAA6F0000-0x000001CCAA708000-memory.dmp
memory/2556-259-0x00007FFED8AC3000-0x00007FFED8AC5000-memory.dmp
memory/2556-260-0x00007FFED8AC0000-0x00007FFED9582000-memory.dmp