Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2025 14:06
Behavioral task
behavioral1
Sample
9E01A75033D1B6A32628E48F855E8D38.exe
Resource
win7-20240903-en
General
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Target
9E01A75033D1B6A32628E48F855E8D38.exe
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Size
995KB
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MD5
9e01a75033d1b6a32628e48f855e8d38
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SHA1
468634240b604340bbbb5b921df925c3f395fcf9
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SHA256
de0abb05a3ab58a6d7347837f219f7dbc84814d553eb2e28a393a2ebac90b565
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SHA512
a9b3473359edb262d3a6d6cef8d2b2e8744e8a2ad6fc29cc0d003646d58a50a0c5cdf912699ee8bf1ba898f6b52ab117386d0bcc26ac837fe5b6d5c2cd204356
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SSDEEP
24576:0NCnod4Mp+xnFN3Fs33SCarsvIENFIUHj/r1g:EOzM6zFs3CCarsvIENFIUHbrW
Malware Config
Signatures
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Orcus family
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x000400000001e4e1-14.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/2304-1-0x0000000000AF0000-0x0000000000BEA000-memory.dmp orcus behavioral2/files/0x000400000001e4e1-14.dat orcus -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 9E01A75033D1B6A32628E48F855E8D38.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Network.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Watchdog.exe -
Executes dropped EXE 4 IoCs
pid Process 2460 Network.exe 4720 Network.exe 3328 Watchdog.exe 2396 Watchdog.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Server = "\"C:\\Program Files (x86)\\Server\\Network.exe\"" Network.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\Server\Network.exe 9E01A75033D1B6A32628E48F855E8D38.exe File opened for modification C:\Program Files (x86)\Server\Network.exe 9E01A75033D1B6A32628E48F855E8D38.exe File created C:\Program Files (x86)\Server\Network.exe.config 9E01A75033D1B6A32628E48F855E8D38.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Network.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Watchdog.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Watchdog.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9E01A75033D1B6A32628E48F855E8D38.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Network.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2460 Network.exe 2460 Network.exe 2460 Network.exe 2396 Watchdog.exe 2396 Watchdog.exe 2396 Watchdog.exe 2396 Watchdog.exe 2460 Network.exe 2460 Network.exe 2396 Watchdog.exe 2396 Watchdog.exe 2460 Network.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2396 Watchdog.exe 2460 Network.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2460 Network.exe 2396 Watchdog.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2396 Watchdog.exe 2460 Network.exe 2460 Network.exe 2396 Watchdog.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2460 Network.exe Token: SeDebugPrivilege 3328 Watchdog.exe Token: SeDebugPrivilege 2396 Watchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2460 Network.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2460 Network.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2304 wrote to memory of 2460 2304 9E01A75033D1B6A32628E48F855E8D38.exe 85 PID 2304 wrote to memory of 2460 2304 9E01A75033D1B6A32628E48F855E8D38.exe 85 PID 2304 wrote to memory of 2460 2304 9E01A75033D1B6A32628E48F855E8D38.exe 85 PID 2460 wrote to memory of 3328 2460 Network.exe 87 PID 2460 wrote to memory of 3328 2460 Network.exe 87 PID 2460 wrote to memory of 3328 2460 Network.exe 87 PID 3328 wrote to memory of 2396 3328 Watchdog.exe 88 PID 3328 wrote to memory of 2396 3328 Watchdog.exe 88 PID 3328 wrote to memory of 2396 3328 Watchdog.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\9E01A75033D1B6A32628E48F855E8D38.exe"C:\Users\Admin\AppData\Local\Temp\9E01A75033D1B6A32628E48F855E8D38.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Program Files (x86)\Server\Network.exe"C:\Program Files (x86)\Server\Network.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 WriteProcessMemory
PID:2460 -
C:\Users\Admin\AppData\Roaming\Watchdog.exe"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Server\Network.exe" 2460 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Users\Admin\AppData\Roaming\Watchdog.exe"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /watchProcess "C:\Program Files (x86)\Server\Network.exe" 2460 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2396
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C:\Program Files (x86)\Server\Network.exe"C:\Program Files (x86)\Server\Network.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
995KB
MD59e01a75033d1b6a32628e48f855e8d38
SHA1468634240b604340bbbb5b921df925c3f395fcf9
SHA256de0abb05a3ab58a6d7347837f219f7dbc84814d553eb2e28a393a2ebac90b565
SHA512a9b3473359edb262d3a6d6cef8d2b2e8744e8a2ad6fc29cc0d003646d58a50a0c5cdf912699ee8bf1ba898f6b52ab117386d0bcc26ac837fe5b6d5c2cd204356
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33