Analysis Overview
SHA256
4fcaede2ca7b6ac97d4d9896b10c16f45e9f57d39a60a6bc597d7e8882841adb
Threat Level: Known bad
The file afawefwfwf.exe was found to be: Known bad.
Malicious Activity Summary
Orcurs Rat Executable
Orcus main payload
Orcus
Orcus family
Orcurs Rat Executable
Executes dropped EXE
Checks computer location settings
Drops desktop.ini file(s)
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-22 13:31
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 13:31
Reported
2023-12-22 13:34
Platform
win10v2004-20231215-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Orcus
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Orcus\Orcus.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
| File created | C:\Program Files\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
| File created | C:\Program Files\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4852 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe |
| PID 4852 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe |
| PID 4784 wrote to memory of 2780 | N/A | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe |
| PID 4784 wrote to memory of 2780 | N/A | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe |
| PID 4852 wrote to memory of 3700 | N/A | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | C:\Program Files\Orcus\Orcus.exe |
| PID 4852 wrote to memory of 3700 | N/A | C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe | C:\Program Files\Orcus\Orcus.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe
"C:\Users\Admin\AppData\Local\Temp\afawefwfwf.exe"
C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3F4C.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC3F4B.tmp"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\_7gofuvi.cmdline"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| DE | 84.145.55.225:5061 | tcp | |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| DE | 84.145.55.225:5061 | tcp | |
| DE | 84.145.55.225:5061 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| DE | 84.145.55.225:5061 | tcp | |
| DE | 84.145.55.225:5061 | tcp | |
| DE | 84.145.55.225:5061 | tcp | |
| DE | 84.145.55.225:5061 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| DE | 84.145.55.225:5061 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| DE | 84.145.55.225:5061 | tcp | |
| US | 8.8.8.8:53 | udp | |
| DE | 84.145.55.225:5061 | tcp | |
| DE | 84.145.55.225:5061 | tcp | |
| DE | 84.145.55.225:5061 | tcp |
Files
memory/4852-1-0x0000000001960000-0x0000000001970000-memory.dmp
memory/4852-6-0x000000001BF00000-0x000000001BF0E000-memory.dmp
memory/4852-3-0x00007FFA82A10000-0x00007FFA833B1000-memory.dmp
memory/4852-8-0x000000001C950000-0x000000001C9EC000-memory.dmp
memory/4852-7-0x000000001C3E0000-0x000000001C8AE000-memory.dmp
memory/4852-2-0x000000001BD00000-0x000000001BD5C000-memory.dmp
memory/4852-0-0x00007FFA82A10000-0x00007FFA833B1000-memory.dmp
\??\c:\Users\Admin\AppData\Local\Temp\_7gofuvi.cmdline
| MD5 | ff4d17ccefd824ca838405f662f639ed |
| SHA1 | f7d5b7eb219d124099e49030809db9ce362c1131 |
| SHA256 | ae667f0598920400e2fe4435f5ca5500f521772a3e6cb45abd10a4eed1847741 |
| SHA512 | 0ea06ce7191b2443a35dcb04c57f492ad41debe971fb5ba2f5c1a5f96ecd085059aa559314212216d43d0e0ccc6ce6316c13cc8c365925856c29f2f02ab62c46 |
memory/4784-14-0x0000000000AE0000-0x0000000000AF0000-memory.dmp
memory/4852-22-0x000000001D010000-0x000000001D026000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_7gofuvi.dll
| MD5 | 6e01ee3765789932025c051bcdc7de8c |
| SHA1 | 29f8c74df84ab126c7d14ea20d24c31a191e0225 |
| SHA256 | f683d7a1ae2e4c3940f8f6e0e0485df62cc8490f239616461957e8bc550356d8 |
| SHA512 | 26ea5191bdd84d8f4970788580d764c556ea35972e0f39e4e7e9e76eb823ea53b304cea7390ad84678220917f209ee40dcfb40a565828c50c9bc067d0a1e232a |
C:\Users\Admin\AppData\Local\Temp\RES3F4C.tmp
| MD5 | e7a4cf4b70da1a21a1bdddd0ec47e784 |
| SHA1 | 78980da17c74e955bad70db04e4f386302769227 |
| SHA256 | 40c0cea81f09a045581a4c45b6840d7c7d1480edcaf8a028386bef2d5115d8bb |
| SHA512 | cf6cebd82d54c93b8ea5be972d626afb55622b7a3b4bbf1f0c1d830b5323c1421f53ccc2ffe13957656d7afec95dc7be1d4123e220c99fb1a6cf1745a6885c07 |
memory/4852-24-0x0000000001910000-0x0000000001922000-memory.dmp
\??\c:\Users\Admin\AppData\Local\Temp\CSC3F4B.tmp
| MD5 | e2d03861b85dc58c37a7b6ec35cf39bb |
| SHA1 | 9b5784e9653e874f726d00f4058a6131147799b9 |
| SHA256 | 61398304a249d247c1958340d9a8ef3ecb784dca8892a582c4b3007b55c595ec |
| SHA512 | 4f87842c1447d3afee418a7ad7685298d8384dcf5538a05223aea5d70b0828cca551ea0f7d030a271210bb742da33479c42e09767a0945d6921b22ee5793ef74 |
C:\Program Files\Orcus\Orcus.exe
| MD5 | 3a1805303ae012a619c81c7a7e9d4ad7 |
| SHA1 | b6273513ddd844a5efe11804a84a7394181ec888 |
| SHA256 | ee1c36bb37f306371f1c38040a29e05ce1c0863302af95208bdd4a8554caee56 |
| SHA512 | 4e142f89b7ffc2f1b69a1390dd963249806c0eed094c273a53206547af114eb98599ed67271bd66bd780d3e33f1717c7b390e524d707a33e88f8ae34ed458aba |
memory/4852-40-0x00007FFA82A10000-0x00007FFA833B1000-memory.dmp
memory/3700-41-0x00007FFA7F770000-0x00007FFA80231000-memory.dmp
memory/3700-42-0x000000001B220000-0x000000001B230000-memory.dmp
memory/3700-39-0x0000000000440000-0x0000000000528000-memory.dmp
memory/3700-44-0x00000000027C0000-0x00000000027D8000-memory.dmp
memory/3700-45-0x0000000000E00000-0x0000000000E10000-memory.dmp
memory/3700-43-0x0000000000E10000-0x0000000000E22000-memory.dmp
C:\Program Files\Orcus\Orcus.exe
| MD5 | f42314248fba99edf4140849f11bfa14 |
| SHA1 | 12d05c4499045715c8f6c2892a39051aab32b13c |
| SHA256 | f74cee7d55f870af442299183b50ab8fcae8b5301740ba8cf5aadb195008bd07 |
| SHA512 | 9b2914958ea3986a380ed7c33065224a0da98ac59fc0529aabe0268ca4cbcab42e9d61b259df6a7775335aea445efc31964f171ff8e03e388746e117d76ad98c |
C:\Program Files\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
C:\Program Files\Orcus\Orcus.exe
| MD5 | d6747f3ba10a59b188d6efb0a3f6c9c3 |
| SHA1 | c0290ffad0767dbe544d1dbfe5d84e151522a12a |
| SHA256 | 1c182ab4ea8cd06f408c07c0b63ffdbbc7bb48b9eb373e3a8da7b18f1627bcc5 |
| SHA512 | 1396114466dc811deda5c056b9badb909a87838237a38628a1495c5172089b39c35d0b101af8a223cea91a72933c384099cf45b0219b305bd62fa9cba10746cd |
\??\c:\Users\Admin\AppData\Local\Temp\_7gofuvi.0.cs
| MD5 | 7e833977120b5f0776fe190d300b4ced |
| SHA1 | 713bbf0f154a24799138e0af680063e8cec94d2e |
| SHA256 | 7dd8e3132d67841092e21cbcfa17c77cde1c3dab98026ad27bc385a458a3d2f7 |
| SHA512 | 78ab423968801cc68a6460c3cf9bb207ce22cb35e7a84c55a68702d8f4904f82077ce5b1d1e7224db4fd4c5689ae485fa703a928beeb803535b0f1132f0201c8 |
memory/3700-46-0x00007FFA7F770000-0x00007FFA80231000-memory.dmp