Analysis
-
max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2024 01:02
Behavioral task
behavioral1
Sample
0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe
Resource
win7-20240704-en
General
-
Target
0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe
-
Size
917KB
-
MD5
e9254de10333cf644c4ff9b3bd8fdd13
-
SHA1
6f8c9d2ca9e445cbbded55dac2253bae29db4d9a
-
SHA256
0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd
-
SHA512
5d0373eb8ede5d23c7b7ea9d4cb769c2f127e04e096e0a0eec95bcff938d3cbfb206ab49ac87eff8f2421fb89d570f29c7d238d2437297367cbc02babf197dcb
-
SSDEEP
24576:1IY4MROxnFi3gsxrrcI0AilFEvxHP9Fboo+:1aMioVxrrcI0AilFEvxHP
Malware Config
Extracted
orcus
192.168.0.23:6565
028d5aa3082f4fb9914e6557035ef57a
-
autostart_method
TaskScheduler
-
enable_keylogger
true
-
install_path
%programfiles%\Orcus\Orcus.exe
-
reconnect_delay
10000
-
registry_keyname
Orcus
-
taskscheduler_taskname
Yandex
-
watchdog_path
AppData\OrcusWatchdog.exe
Signatures
-
Orcus main payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x00070000000234bb-22.dat family_orcus -
Orcurs Rat Executable 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2536-1-0x00000000005E0000-0x00000000006CA000-memory.dmp orcus behavioral2/files/0x00070000000234bb-22.dat orcus -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
OrcusWatchdog.exe0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exeOrcus.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation OrcusWatchdog.exe Key value queried \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe Key value queried \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation Orcus.exe -
Executes dropped EXE 4 IoCs
Processes:
Orcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exepid Process 2928 Orcus.exe 1828 Orcus.exe 2080 OrcusWatchdog.exe 1800 OrcusWatchdog.exe -
Drops file in Program Files directory 3 IoCs
Processes:
0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exedescription ioc Process File created C:\Program Files (x86)\Orcus\Orcus.exe 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
OrcusWatchdog.exe0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exeOrcus.exeOrcus.exeOrcusWatchdog.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OrcusWatchdog.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Orcus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Orcus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OrcusWatchdog.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Orcus.exeOrcusWatchdog.exepid Process 2928 Orcus.exe 2928 Orcus.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 1800 OrcusWatchdog.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe 2928 Orcus.exe 1800 OrcusWatchdog.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Orcus.exeOrcusWatchdog.exeOrcusWatchdog.exedescription pid Process Token: SeDebugPrivilege 2928 Orcus.exe Token: SeDebugPrivilege 2080 OrcusWatchdog.exe Token: SeDebugPrivilege 1800 OrcusWatchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
Orcus.exepid Process 2928 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
Orcus.exepid Process 2928 Orcus.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Orcus.exepid Process 2928 Orcus.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exeOrcus.exeOrcusWatchdog.exedescription pid Process procid_target PID 2536 wrote to memory of 2928 2536 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe 88 PID 2536 wrote to memory of 2928 2536 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe 88 PID 2536 wrote to memory of 2928 2536 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe 88 PID 2928 wrote to memory of 2080 2928 Orcus.exe 92 PID 2928 wrote to memory of 2080 2928 Orcus.exe 92 PID 2928 wrote to memory of 2080 2928 Orcus.exe 92 PID 2080 wrote to memory of 1800 2080 OrcusWatchdog.exe 93 PID 2080 wrote to memory of 1800 2080 OrcusWatchdog.exe 93 PID 2080 wrote to memory of 1800 2080 OrcusWatchdog.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe"C:\Users\Admin\AppData\Local\Temp\0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2928 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2928 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1800
-
-
-
-
C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1828
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
917KB
MD5e9254de10333cf644c4ff9b3bd8fdd13
SHA16f8c9d2ca9e445cbbded55dac2253bae29db4d9a
SHA2560759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd
SHA5125d0373eb8ede5d23c7b7ea9d4cb769c2f127e04e096e0a0eec95bcff938d3cbfb206ab49ac87eff8f2421fb89d570f29c7d238d2437297367cbc02babf197dcb
-
Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
-
Filesize
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
-
Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
-
Filesize
1KB
MD545a5aaac5ce8cb29cde3df1ecbd0c0ee
SHA146c1b89c70ac13427e717d27a6345e476dac57b0
SHA25665dae4ac40f1f4609a046a1631d6ad299e1e789687b459b4a5b46bf267eeab1b
SHA51245e69c867f587618f222eee344a5bc898d6baf8c1bfb3063ad0c7a7c1eeb6739691936108c9f8d013d0beed3e2bdc8e582ac2e0471dd08632e48a127902a3796