Analysis Overview
Threat Level: Known bad
The file https://cdn.discordapp.com/attachments/1221895306933833802/1221914989120458845/Client-built.rar?ex=66145003&is=6601db03&hm=24212dc7c96b732376241577ae870f3f6f7b9f236eae7b76935274d9191d84ad& was found to be: Known bad.
Malicious Activity Summary
Discord RAT
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Modifies registry class
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 22:00
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 22:00
Reported
2024-03-25 22:01
Platform
win10v2004-20231215-en
Max time kernel
39s
Max time network
46s
Command Line
Signatures
Discord RAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Downloads\Client-built\Client-built.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 |
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-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings | 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 |
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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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\Client-built\Client-built.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://cdn.discordapp.com/attachments/1221895306933833802/1221914989120458845/Client-built.rar?ex=66145003&is=6601db03&hm=24212dc7c96b732376241577ae870f3f6f7b9f236eae7b76935274d9191d84ad&
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,0x100,0x104,0xd8,0x108,0x7ffef72146f8,0x7ffef7214708,0x7ffef7214718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2080,11052250527587708319,11657193756688792422,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2088 /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=2080,11052250527587708319,11657193756688792422,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /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=2080,11052250527587708319,11657193756688792422,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2908 /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=2080,11052250527587708319,11657193756688792422,131072 --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=3300 /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=2080,11052250527587708319,11657193756688792422,131072 --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=3308 /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=2080,11052250527587708319,11657193756688792422,131072 --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=3040 /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=2080,11052250527587708319,11657193756688792422,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5156 /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=2080,11052250527587708319,11657193756688792422,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5532 /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=2080,11052250527587708319,11657193756688792422,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5532 /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=2080,11052250527587708319,11657193756688792422,131072 --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=3444 /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=2080,11052250527587708319,11657193756688792422,131072 --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=3412 /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=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2080,11052250527587708319,11657193756688792422,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5264 /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=2080,11052250527587708319,11657193756688792422,131072 --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=5816 /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=quarantine.mojom.Quarantine --field-trial-handle=2080,11052250527587708319,11657193756688792422,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5564 /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:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\Client-built\" -spe -an -ai#7zMap18663:86:7zEvent8204
C:\Users\Admin\Downloads\Client-built\Client-built.exe
"C:\Users\Admin\Downloads\Client-built\Client-built.exe"
C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /C wininit
C:\Windows\system32\wininit.exe
wininit
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | cdn.discordapp.com | udp |
| US | 162.159.135.233:443 | cdn.discordapp.com | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 233.135.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gateway.discord.gg | udp |
| US | 162.159.130.234:443 | gateway.discord.gg | tcp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 234.130.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geolocation-db.com | udp |
| DE | 159.89.102.253:443 | geolocation-db.com | tcp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 233.128.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 253.102.89.159.in-addr.arpa | udp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 4d6e17218d9a99976d1a14c6f6944c96 |
| SHA1 | 9e54a19d6c61d99ac8759c5f07b2f0d5faab447f |
| SHA256 | 32e343d2794af8bc6f2f7c905b5df11d53db4ad8922b92ad5e7cc9c856509d93 |
| SHA512 | 3fa166b3e2d1236298d8dda7071a6fcf2bde283f181b8b0a07c0bb8ba756d6f55fa8a847ca5286d4dbabc6dace67e842a118866320ac01bd5f93cccd3a032e47 |
\??\pipe\LOCAL\crashpad_3520_MNLSXVSQGMZCDXKM
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | caa9a6b75a867ca89e77af292e1287e6 |
| SHA1 | 14275c8cffe2c298a0b0a064d6d11895270d2ed5 |
| SHA256 | 1c6ff9fe05b26de703f1e77283846b2f1424ae4b25a50d9aa7f81d593e27e12e |
| SHA512 | 5891415203508bf9b69246bd36c2d5ed4327c960aefecbc6b9e0548de5c1eeb1c046a14ed42445a8db543709d4a4d67bb12e0079b29fb126dced8d61ddf492dd |
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\Downloads\Client-built.rar
| MD5 | 1b853a76dbca28e6198953dae89d9062 |
| SHA1 | 8b69fed569fa7678d700ad1a4a3de1ffee90f016 |
| SHA256 | 4d132dac82e1a92dce6556db07d25af1536e0c848401fd6a76226eb9a043c502 |
| SHA512 | b15cd9532a72ab918cd5f7b11461822c1601a4cb6ea5a1e5bfc1996232b197060cc0ac09d52b2e854d1d6312ba4e35f4eae8956735de8ffcd26d3c0d5b226813 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | 09efae0378562fb0b414c1803b292435 |
| SHA1 | 37d0fe870ca27a1ea3e4f586395d6f5b53daa3bb |
| SHA256 | a256f820ef8cf16e864e52e6f9d6fb1f7898487da2072b26cc5bfbc3f59eb0e8 |
| SHA512 | ccf7cdd5dd2248ddbcadae3a3bc4940ee5e8e068905f2d59253f329b6fa9c842ec4ffb942171cffb8e5091124d0966b7b9c6ad312b4f889113438bd23cbd371a |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | edbe81ad81daa3cb879e666dc0f1b128 |
| SHA1 | 0ba0e7c2b8812473e7766f75a5073e07548fd5fa |
| SHA256 | 323a63a1687b8d642030cca0d8507fdb40985d9fab2e1de988262a19982650fd |
| SHA512 | af141d42cd8f3709ba5e345487ea1927211cf423992c7358049622e646ce83742bc82bfdfb67f935588dbe4c98d2991daa8487fdb4da954f15e4c61370910cc3 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
| MD5 | 285252a2f6327d41eab203dc2f402c67 |
| SHA1 | acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6 |
| SHA256 | 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026 |
| SHA512 | 11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
| MD5 | c2ef1d773c3f6f230cedf469f7e34059 |
| SHA1 | e410764405adcfead3338c8d0b29371fd1a3f292 |
| SHA256 | 185450d538a894e4dcf55b428f506f3d7baa86664fbbc67afd6c255b65178521 |
| SHA512 | 2ef93803da4d630916bed75d678382fd1c72bff1700a1a72e2612431c6d5e11410ced4eaf522b388028aeadb08e8a77513e16594e6ab081f6d6203e4caa7d549 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | c6cfe83d447a43eceae29f768529c417 |
| SHA1 | b08b424af4be149b0418ae2a9e08e7527a21bcf3 |
| SHA256 | 82d35c400dab40d8556401910c3bb29b51dd4a7338080218800d731214f99a21 |
| SHA512 | ed2bb16d4d35c8b909c35bbeb8d76431d801b1360216dbdccf1a584e78035e466b85d2a09433eb8dcc48ba2c457e32972034be41ab593dadf07ba12c19172903 |
C:\Users\Admin\Downloads\Client-built\Client-built.exe
| MD5 | 6c0def2fa807c96b64833f6f9372cacd |
| SHA1 | 3a02b8bb4426a979d1946fe601700a8afb920e05 |
| SHA256 | 493cee2ab73ae407d1f4b68ebefc960d5b8a4941de451f3dfb6de820d35c8b7c |
| SHA512 | 893826eba777279ae09344a50d532f38047d42419f7dae1badf9a0ef3996feef163d5091bb1b17641929cf859853dd0b5ef0ef9d8f9a1f68a3245c5affe62697 |
memory/2772-101-0x00000239D4C10000-0x00000239D4C28000-memory.dmp
memory/2772-102-0x00000239EF230000-0x00000239EF3F2000-memory.dmp
memory/2772-103-0x00007FFEE3D40000-0x00007FFEE4801000-memory.dmp
memory/2772-104-0x00000239EF1F0000-0x00000239EF200000-memory.dmp
memory/2772-105-0x00000239F06B0000-0x00000239F0BD8000-memory.dmp