Analysis Overview
SHA256
9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa
Threat Level: Known bad
The file 9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus main payload
Orcurs Rat Executable
Orcus
Orcurs Rat Executable
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-07 01:08
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
2024-12-07 01:08
Reported
2024-12-07 01:10
Platform
win7-20240903-en
Max time kernel
128s
Max time network
127s
Command Line
Signatures
Orcus
Orcus family
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 |
| 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 |
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2540 set thread context of 2816 | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe
"C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
"C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {AAB0BF0A-5526-44F2-889A-66B5427F0F4C} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 10903.client.sudorat.top | udp |
| RU | 185.37.62.158:10903 | 10903.client.sudorat.top | tcp |
| N/A | 127.0.0.1:1111 | tcp |
Files
memory/2148-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp
memory/2148-1-0x00000000010B0000-0x00000000013AE000-memory.dmp
memory/2148-2-0x0000000000270000-0x000000000027E000-memory.dmp
memory/2148-4-0x00000000009A0000-0x00000000009FC000-memory.dmp
memory/2148-3-0x0000000074C90000-0x000000007537E000-memory.dmp
memory/2148-5-0x00000000003C0000-0x00000000003D2000-memory.dmp
\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
| MD5 | 13949e90af2cb2cbcfac0717fb80eaa6 |
| SHA1 | 672e14cb2e0016cd2c1c0afb77217c61895adb08 |
| SHA256 | 9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa |
| SHA512 | 35e26dccbdaee5a1247c29be279d94d20eaa219c507178c0a5abc561efe4800b8c915bc529fd9b7eeab7bd344c95c1092cfa78474f3a90bb6896933f7f70f63a |
memory/2540-17-0x0000000074C90000-0x000000007537E000-memory.dmp
memory/2540-18-0x0000000000350000-0x000000000064E000-memory.dmp
memory/2540-19-0x0000000074C90000-0x000000007537E000-memory.dmp
memory/2148-16-0x0000000074C90000-0x000000007537E000-memory.dmp
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2540-20-0x0000000004F00000-0x0000000004F4E000-memory.dmp
memory/2816-22-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/2816-24-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/2816-28-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/2816-33-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/2816-32-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/2540-34-0x0000000074C90000-0x000000007537E000-memory.dmp
memory/2816-31-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/2816-30-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2816-26-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/2816-35-0x00000000007C0000-0x00000000007D8000-memory.dmp
memory/2816-36-0x0000000000A50000-0x0000000000A60000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabCC94.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
memory/2912-54-0x0000000000CD0000-0x0000000000FCE000-memory.dmp
memory/1340-56-0x0000000000090000-0x000000000038E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-07 01:08
Reported
2024-12-07 01:10
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Orcus
Orcus family
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3680 set thread context of 4424 | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe |
| PID 3184 set thread context of 4608 | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe |
| PID 2640 set thread context of 3404 | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe
"C:\Users\Admin\AppData\Local\Temp\9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
"C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10903.client.sudorat.top | udp |
| RU | 185.37.62.158:10903 | 10903.client.sudorat.top | tcp |
| US | 8.8.8.8:53 | 158.62.37.185.in-addr.arpa | udp |
| N/A | 127.0.0.1:1111 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/1356-0-0x00000000747EE000-0x00000000747EF000-memory.dmp
memory/1356-1-0x0000000000190000-0x000000000048E000-memory.dmp
memory/1356-2-0x0000000000EC0000-0x0000000000ECE000-memory.dmp
memory/1356-3-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/1356-4-0x00000000028D0000-0x000000000292C000-memory.dmp
memory/1356-5-0x0000000005800000-0x0000000005DA4000-memory.dmp
memory/1356-6-0x0000000005250000-0x00000000052E2000-memory.dmp
memory/1356-7-0x0000000005140000-0x0000000005152000-memory.dmp
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe
| MD5 | 13949e90af2cb2cbcfac0717fb80eaa6 |
| SHA1 | 672e14cb2e0016cd2c1c0afb77217c61895adb08 |
| SHA256 | 9e1e739176da69d496f757cf46491652cd2fa29b8b86279468e0b788d8c3b6aa |
| SHA512 | 35e26dccbdaee5a1247c29be279d94d20eaa219c507178c0a5abc561efe4800b8c915bc529fd9b7eeab7bd344c95c1092cfa78474f3a90bb6896933f7f70f63a |
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\publicdefault.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/3680-24-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/1356-23-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/3680-25-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/3680-26-0x00000000054E0000-0x00000000054F2000-memory.dmp
memory/3680-27-0x0000000005B20000-0x0000000005B6E000-memory.dmp
memory/3680-28-0x0000000006480000-0x000000000651C000-memory.dmp
memory/4424-32-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/3680-31-0x00000000747E0000-0x0000000074F90000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\publicdefault.exe.log
| MD5 | 663b8d5469caa4489d463aa9bc18124f |
| SHA1 | e57123a7d969115853ea631a3b33826335025d28 |
| SHA256 | 7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8 |
| SHA512 | 45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55 |
memory/4424-39-0x00000000060F0000-0x0000000006108000-memory.dmp
memory/4424-40-0x0000000006A90000-0x0000000006AA0000-memory.dmp
memory/4424-41-0x0000000006DB0000-0x0000000006DBA000-memory.dmp
memory/4424-44-0x0000000007650000-0x00000000076B6000-memory.dmp
memory/4424-47-0x0000000007CE0000-0x00000000082F8000-memory.dmp
memory/4424-48-0x0000000007760000-0x0000000007772000-memory.dmp
memory/4424-49-0x00000000077C0000-0x00000000077FC000-memory.dmp
memory/4424-50-0x0000000007800000-0x000000000784C000-memory.dmp
memory/4424-51-0x0000000007990000-0x0000000007A9A000-memory.dmp
memory/4424-52-0x0000000008300000-0x00000000084C2000-memory.dmp
memory/4424-53-0x00000000747E0000-0x0000000074F90000-memory.dmp