Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2024 01:10
Behavioral task
behavioral1
Sample
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
Resource
win7-20241023-en
General
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Target
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
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Size
915KB
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MD5
ada039644e59df9cb31e9bb1051d57ec
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SHA1
921eaf597d36694b70ffd4dee6cb2c134e25e8c0
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SHA256
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f
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SHA512
2f946ea34c4569d5dfc9760426a4827e1ee47ce32a00896b0c1bea9e70d675c81246461aabe6b228cc619e63c59634182a253aa4893f71983b8df9ec3542a64e
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SSDEEP
24576:mmHR4MROxnFi3IsFrrcI0AilFEvxHPQook:JuMioNFrrcI0AilFEvxHP
Malware Config
Extracted
orcus
192.168.0.103:6969
12557aa19bb544ccb6c16b1f84c08d29
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\Orcus\Orcus.exe
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reconnect_delay
10000
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registry_keyname
System322
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
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Orcus family
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Orcus main payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x000a000000023b99-22.dat family_orcus -
Orcurs Rat Executable 2 IoCs
Processes:
resource yara_rule behavioral2/memory/316-1-0x0000000000880000-0x000000000096A000-memory.dmp orcus behavioral2/files/0x000a000000023b99-22.dat orcus -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exeOrcus.exeOrcusWatchdog.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation Orcus.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation OrcusWatchdog.exe -
Executes dropped EXE 4 IoCs
Processes:
Orcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exepid Process 4448 Orcus.exe 3596 Orcus.exe 3380 OrcusWatchdog.exe 3264 OrcusWatchdog.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Orcus.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System322 = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\"" Orcus.exe -
Drops file in Program Files directory 3 IoCs
Processes:
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exedescription ioc Process File created C:\Program Files (x86)\Orcus\Orcus.exe 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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:
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exeOrcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OrcusWatchdog.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Orcus.exeOrcusWatchdog.exepid Process 4448 Orcus.exe 4448 Orcus.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 3264 OrcusWatchdog.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe 4448 Orcus.exe 3264 OrcusWatchdog.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Orcus.exeOrcusWatchdog.exeOrcusWatchdog.exedescription pid Process Token: SeDebugPrivilege 4448 Orcus.exe Token: SeDebugPrivilege 3380 OrcusWatchdog.exe Token: SeDebugPrivilege 3264 OrcusWatchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
Orcus.exepid Process 4448 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
Orcus.exepid Process 4448 Orcus.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Orcus.exepid Process 4448 Orcus.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exeOrcus.exeOrcusWatchdog.exedescription pid Process procid_target PID 316 wrote to memory of 4448 316 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe 85 PID 316 wrote to memory of 4448 316 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe 85 PID 316 wrote to memory of 4448 316 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe 85 PID 4448 wrote to memory of 3380 4448 Orcus.exe 87 PID 4448 wrote to memory of 3380 4448 Orcus.exe 87 PID 4448 wrote to memory of 3380 4448 Orcus.exe 87 PID 3380 wrote to memory of 3264 3380 OrcusWatchdog.exe 88 PID 3380 wrote to memory of 3264 3380 OrcusWatchdog.exe 88 PID 3380 wrote to memory of 3264 3380 OrcusWatchdog.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe"C:\Users\Admin\AppData\Local\Temp\5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- 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:4448 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4448 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4448 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3264
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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:3596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
915KB
MD5ada039644e59df9cb31e9bb1051d57ec
SHA1921eaf597d36694b70ffd4dee6cb2c134e25e8c0
SHA2565f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f
SHA5122f946ea34c4569d5dfc9760426a4827e1ee47ce32a00896b0c1bea9e70d675c81246461aabe6b228cc619e63c59634182a253aa4893f71983b8df9ec3542a64e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
1KB
MD507097d3b37aab8d9dab8973a4afff3fb
SHA18c4bcf973d9bc0ace5ced4734d318a71b0c009e3
SHA256b30433546c4a201bb1cc60c843c96d79d93700cb778de5736b40640f848e9049
SHA51225f6dc874c8ea60f110a84451e5c08391a01ca1912041bf49b6509401d4527ccfa781ba253937bcb67a6a4010d8a58b1396172e851e3f162433f788ab6ac2d8a