Analysis Overview
Threat Level: Known bad
The file https://cdn.discordapp.com/attachments/1254334525543288915/1254336947875217519/solarabootstraper.exe?ex=667bc2d0&is=667a7150&hm=9e37d9feda8ac823db279851a858c2d999a629b641924f99d34c335af2ab7d6e& was found to be: Known bad.
Malicious Activity Summary
Discord RAT
Downloads MZ/PE file
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious use of SendNotifyMessage
NTFS ADS
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-25 16:36
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-25 16:36
Reported
2024-06-25 16:37
Platform
win11-20240508-en
Max time kernel
41s
Max time network
54s
Command Line
Signatures
Discord RAT
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Downloads\solarabootstraper.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
Enumerates physical storage devices
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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000_Classes\Local Settings | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
NTFS ADS
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Downloads\Unconfirmed 182637.crdownload:SmartScreen | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| File opened for modification | C:\Users\Admin\Downloads\solarabootstraper.exe:Zone.Identifier | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\SCHTASKS.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\90.0.818.66\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
| 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 |
| 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 WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://cdn.discordapp.com/attachments/1254334525543288915/1254336947875217519/solarabootstraper.exe?ex=667bc2d0&is=667a7150&hm=9e37d9feda8ac823db279851a858c2d999a629b641924f99d34c335af2ab7d6e&
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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff80f013cb8,0x7ff80f013cc8,0x7ff80f013cd8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1856 /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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2380 /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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2504 /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=1808,2750101162689822614,2211953320382719245,131072 --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=3224 /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=1808,2750101162689822614,2211953320382719245,131072 --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=3236 /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\90.0.818.66\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5356 /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=1808,2750101162689822614,2211953320382719245,131072 --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=5400 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5816 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5816 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6008 /prefetch:8
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\Downloads\solarabootstraper.exe
"C:\Users\Admin\Downloads\solarabootstraper.exe"
C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe"
C:\Windows\SYSTEM32\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77test.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe'" /sc onlogon /rl HIGHEST
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cdn.discordapp.com | udp |
| US | 162.159.130.233:443 | cdn.discordapp.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 162.159.133.234:443 | gateway.discord.gg | tcp |
| US | 162.159.138.232:443 | discord.com | tcp |
| DE | 159.89.102.253:443 | geolocation-db.com | tcp |
| US | 162.159.138.232:443 | discord.com | tcp |
| US | 162.159.138.232:443 | discord.com | tcp |
| US | 162.159.138.232:443 | discord.com | tcp |
| US | 162.159.138.232:443 | discord.com | tcp |
Files
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 23da8c216a7633c78c347cc80603cd99 |
| SHA1 | a378873c9d3484e0c57c1cb6c6895f34fee0ea61 |
| SHA256 | 03dbdb03799f9e37c38f6d9d498ad09f7f0f9901430ff69d95aa26cae87504d3 |
| SHA512 | d34ae684e8462e3f2aba2260f2649dee01b4e2138b50283513c8c19c47faf039701854e1a9cbf21d7a20c28a6306f953b58ffb9144ead067f5f73650a759ff17 |
\??\pipe\LOCAL\crashpad_1604_PHEGOIWTRAVBHMGB
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | a8e4bf11ed97b6b312e938ca216cf30e |
| SHA1 | ff6b0b475e552dc08a2c81c9eb9230821d3c8290 |
| SHA256 | 296db8c9361efb62e23be1935fd172cfe9fbcd89a424f34f347ec3cc5ca5afad |
| SHA512 | ce1a05df2619af419ed3058dcbd7254c7159d333356d9f1d5e2591c19e17ab0ac9b6d3e625e36246ad187256bee75b7011370220ef127c4f1171879014d0dd76 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 3a2dabb54ea9b4f4517881e92dd77b63 |
| SHA1 | 478e42b82b3b68627363aecb939551c386e929fc |
| SHA256 | 897c75479c8cd0abd55173cb0ba0a5d3f1e137b58c2f6509b28b6b2aa093cc9c |
| SHA512 | a73b6a0eba56a0da3bafc7e6318407a446d0c31486a4d6f1b39a61dd50ed36734a732a0300bbe5c59b2ba4e755ffc592c8a7328024ea59af54933e390d5f0534 |
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\Downloads\Unconfirmed 182637.crdownload
| MD5 | 48258af1b1134dffa388c6f2590325c3 |
| SHA1 | e2fa6a4351d7b358e6b20e9194b63b54751458d4 |
| SHA256 | d0452f63e207ead4ba0828fba9cd46d54c08906ac3f35f1c0b27dda2d60fbc83 |
| SHA512 | 1eeceefb8843f72b55e1b517039ab53cd72af3bb294fe9b06ce0a6207749506bf299cd913a4a1088ffa002069821d346ec3fc045fa701014110beec03d7d208c |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | 754b9a63bc08f84ffc4bbf21f3397556 |
| SHA1 | 3f01c210d860c5a9281479304efbadf543b50d09 |
| SHA256 | 6f3fef9f4562dfc9a08380ff591ef7a5a6395d83bdbd8dad9667e08cae5c1a5c |
| SHA512 | 32a65bdac36acf966e3f237d35638368b6d29e4f79ebfb2e5b1418970201ac09f461d9d4f03645dfd4a34d4ae0961b0af3e3b87e4f909454072b86b75a3ebafb |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | fc4f194621d8837c314f93a43ff80ea4 |
| SHA1 | 87682f1d85ff5af60cbb6fd1a459d99906b05eba |
| SHA256 | 6eea96649109f0bcdc7882bcdc31393abcf7de6c7f82fabf44ba96fe9254c1fc |
| SHA512 | 91ad899c363c614e87c37cd518cfc1d6bbe75c6aba8e370bf8e76813fb64501c3a2a12bd72dc631bf812fa8de18b804acca5827dcfe70f8963239b820192435a |
C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe
| MD5 | cd0398fb5a04ce43be2b1183e7dfad06 |
| SHA1 | e1e9ac1f1f2533f3bfec802cae2cbeeeac65c181 |
| SHA256 | c4fb94399b109d19585a03233be7663000aae8c7c7f8661ce744c59bfa8ced08 |
| SHA512 | 50bfd2614078082fd83e43e61a36b086eae0fec2399fae5655c6442a474ffb7c25cabe43b4c484c85acc4fac72c2f2613dc00e85045242dfcdd91093519699bc |
memory/940-96-0x0000021348290000-0x00000213482A8000-memory.dmp
memory/940-97-0x00000213628F0000-0x0000021362AB2000-memory.dmp
memory/940-98-0x00000213630F0000-0x0000021363618000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | be6eb3d4c033a8702d905afae18a5f87 |
| SHA1 | 669aab92d92bdf80e48809a05cbc864eaefe61aa |
| SHA256 | b78ca11790ae1e63c758309b071edd692ad9e5ca033d41554dc3cb1b2239f797 |
| SHA512 | 56c0ead5d71b922765eefc0cc11cbb4a37ebc12855f1c1c1671693dced2b88c3520cf68edf5e2b4e6677db13d60d9638d3e911b5c8e947184e4453a81d2ca29d |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | eae4285984655415c93c8089929db201 |
| SHA1 | 43f78ab62088822daae8917e2952d9697ab4dd88 |
| SHA256 | 89e6c309f20127176afeeec396d43f7fd89d776f52c72fef7ef4ae48c5b7fa1f |
| SHA512 | 52f33078ef5717f439323db1be7295d016f5fbf7a55b06f07cbef82dc73eeca9b48e89fd32be3103e3c8592062aade5c66782d17215584997f1c2ca531011479 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
| MD5 | 094ab275342c45551894b7940ae9ad0d |
| SHA1 | 2e7ce26fe2eb9be641ae929d0c9cc0dfa26c018e |
| SHA256 | ef1739b833a1048ee1bd55dcbac5b1397396faca1ad771f4d6c2fe58899495a3 |
| SHA512 | 19d0c688dc1121569247111e45de732b2ab86c71aecdde34b157cfd1b25c53473ed3ade49a97f8cb2ddc4711be78fa26c9330887094e031e9a71bb5c29080b0d |