Analysis Overview
Threat Level: Known bad
The file https://cdn.discordapp.com/attachments/1200490891303993404/1207368226460139530/Discord-1.rar?ex=65df6449&is=65ccef49&hm=e2ba926edeaf452bb7dd0db903029a0109ea7e265c57b3521fef7754ca6804d7& was found to be: Known bad.
Malicious Activity Summary
Orcus main payload
Orcus
Orcurs Rat Executable
Executes dropped EXE
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of SendNotifyMessage
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-14 16:53
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-14 16:53
Reported
2024-02-14 16:55
Platform
win10-20231215-en
Max time kernel
111s
Max time network
120s
Command Line
Signatures
Orcus
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Downloads\Discord-1.exe | N/A |
| N/A | N/A | C:\Users\Admin\Downloads\Discord-1.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Users\Admin\Downloads\Discord-1.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\Downloads\Discord-1.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\Downloads\Discord-1.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\Downloads\Discord-1.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\Downloads\Discord-1.exe | 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\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133524032363737976" | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://cdn.discordapp.com/attachments/1200490891303993404/1207368226460139530/Discord-1.rar?ex=65df6449&is=65ccef49&hm=e2ba926edeaf452bb7dd0db903029a0109ea7e265c57b3521fef7754ca6804d7&
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffbc28f9758,0x7ffbc28f9768,0x7ffbc28f9778
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2000 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1576 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2056 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2936 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2928 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4852 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5344 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4852 --field-trial-handle=1740,i,10994527151506904569,17217156524293539444,131072 /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\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Downloads\Discord-1.rar"
C:\Users\Admin\Downloads\Discord-1.exe
"C:\Users\Admin\Downloads\Discord-1.exe"
C:\Users\Admin\Downloads\Discord-1.exe
"C:\Users\Admin\Downloads\Discord-1.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
C:\Users\Admin\Downloads\Discord-1.exe
"C:\Users\Admin\Downloads\Discord-1.exe"
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 |
| US | 8.8.8.8:53 | 233.130.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| N/A | 172.21.64.4:8443 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:8443 | tcp | |
| N/A | 172.21.64.4:8443 | tcp | |
| N/A | 127.0.0.1:8443 | tcp |
Files
\??\pipe\crashpad_3200_CLBTNHGSGDFDZDUI
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
| MD5 | 99914b932bd37a50b983c5e7c90ae93b |
| SHA1 | bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f |
| SHA256 | 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a |
| SHA512 | 27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd |
C:\Users\Admin\Downloads\Discord-1.rar.crdownload
| MD5 | 922288a7a77a43282480787c833839c1 |
| SHA1 | 2d688bea93a7b1252918fe0d0175154e8f6d6bf7 |
| SHA256 | 1611de9f99af8620206bbd0279e1daf2be066d7f25d4177f6e7566ed23479b1e |
| SHA512 | 6a66f739d7e17bdd23ff71c6ad388e8dbc02a9209baa1834d79aa5a22872621f266dacda9495b7809123d4788f4986396b9fee347938bd6bcc154e186e1710e2 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | 06f565098fe461d9e0c36b83b7e4eb28 |
| SHA1 | d85063daceca0b33bea4bd24ba2fbf096d96f2a8 |
| SHA256 | cb9e1238a4e9ec857a13fc02a1d31877f7dacf48dc57e816a2cf3c7be5fc2e91 |
| SHA512 | bd0696caf83cc7c85d46e8657a9726f61f7e993be7894c753fe179e371a403912e879ca1874abdaae2114badd4e4602d84713097f9fedbf99e15ac98b024fa81 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | f29f3f7f700d66c89e660f0614286a2d |
| SHA1 | 6491d27518ca288c5e826cf26e503cd9787aaaa8 |
| SHA256 | d0553b01b6157576792fe9ee4b1b582843d3a36c4ad013a64c906790c9e19c04 |
| SHA512 | d1957f310737ec10edc1d7ea9a5fa14ebd652b0a3c7ee32e62663511d4cd3af8be3e409765a24edb08e4a7d91808c22d21b48de9f3022adf0f83f6aa812b2b6a |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | ed88f7fb87fed701a712abc37b751def |
| SHA1 | ec8a69495a8b819ff1884cba9416e2ebba05fec1 |
| SHA256 | 45411c83c2df018cde5b1a6947e25d22e32fcba6964e9d5e8dc25393f0a2ef96 |
| SHA512 | c2624c72834df1beda459934ca72743848f04c6309530c182093c255bd89127a7f18c436b7c4ac1be4e53996ff34f322e7196d6102a6ae28ce487bc90181053e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | 774b6a769a35e318021e37a018916934 |
| SHA1 | 13e36b95e41f4619881940ffa5f9eaf84bff4c93 |
| SHA256 | b10fc33df39b40e77d6fda6244a1362ff4439dac5c446835807a59e946d07b02 |
| SHA512 | a29473970eba16ec47dcbeb4274d95bbf4500c5d919456900570b55b28358aa5234c5bda16d68ed91577dcf77d29d001ed466f73f20e53a73c170dee62a2cb22 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
| MD5 | f60e90c56f04d7c89c3e057c2dcdbfb2 |
| SHA1 | 8b21fa0d27f9d35bdcefdba49d7ae5558d3f9588 |
| SHA256 | 56ed0926de6ccbffdb28279f8ba73b5f788364ba7e4fb4006ae2df22c16ea27f |
| SHA512 | 156ce57daee4421dca25ff8caf5971894f01f754af5598c10291410508bc814825c79ea4b44a34f745f1ed3c446db6f07ff92b55253d43d66bf9404bd7ca830d |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |
C:\Users\Admin\Downloads\Discord-1.exe
| MD5 | 173c7854f3d0a240dcd0a3fcc4588e31 |
| SHA1 | 29338d42238662239ab6bd946a2213a0b460cb95 |
| SHA256 | 4c11dd771dc0bc2fd8b2852314da64b130618b157166546803fa3ff8b394c2f0 |
| SHA512 | d0cfd80b3afad4d6c97bf9c388675e80e94515204724595522e5408f6673ec99de75bf7a9fb4c8dc282aac142ca03d62cebedf2c533240caa8d6a9e624e5a4f9 |
memory/2436-135-0x0000000073B50000-0x000000007423E000-memory.dmp
memory/2876-134-0x0000000000730000-0x000000000085E000-memory.dmp
memory/2876-136-0x0000000073B50000-0x000000007423E000-memory.dmp
memory/2436-137-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/2876-138-0x0000000001110000-0x0000000001120000-memory.dmp
memory/2876-139-0x0000000001100000-0x000000000110E000-memory.dmp
memory/2876-140-0x0000000005090000-0x00000000050EC000-memory.dmp
memory/2876-141-0x0000000005710000-0x0000000005C0E000-memory.dmp
memory/2876-142-0x0000000005210000-0x00000000052A2000-memory.dmp
memory/2876-143-0x00000000051E0000-0x00000000051F2000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/1828-152-0x0000000073B50000-0x000000007423E000-memory.dmp
memory/2876-153-0x0000000073B50000-0x000000007423E000-memory.dmp
memory/1828-154-0x0000000005550000-0x0000000005560000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Discord-1.exe.log
| MD5 | ffd902e08e4e54268965cefe27b84f6f |
| SHA1 | 41b40fc6a6a6bb39b6f76aeb15458dc138239e2b |
| SHA256 | 447edcc4add6e5b511db6ae45799031da4df6d573be2e14c3e43385326307075 |
| SHA512 | bdfebe3bd42db65f54a00e23a9f32910f2c4bf4883c2b150aea7c8300488f3ea8903c21cfd6167f231085375d6a3622646ed77c4dd4dee9ea7c8bdda00fc3832 |
memory/2436-156-0x0000000073B50000-0x000000007423E000-memory.dmp
memory/1828-157-0x0000000005C30000-0x0000000005C48000-memory.dmp
memory/1828-158-0x00000000063B0000-0x00000000063C0000-memory.dmp
memory/1828-159-0x0000000006690000-0x000000000669A000-memory.dmp
memory/1828-160-0x0000000073B50000-0x000000007423E000-memory.dmp
memory/1828-161-0x0000000005550000-0x0000000005560000-memory.dmp
memory/4352-163-0x0000000073B50000-0x000000007423E000-memory.dmp
memory/4352-164-0x0000000005410000-0x0000000005420000-memory.dmp
memory/4352-165-0x0000000073B50000-0x000000007423E000-memory.dmp