Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12-04-2024 01:39
Behavioral task
behavioral1
Sample
c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe
Resource
win7-20240221-en
General
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Target
c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe
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Size
3.0MB
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MD5
fb9c101e7ee4206d46e76123f639194c
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SHA1
5e83980f211ed8882cdbda90b374689d582e6cda
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SHA256
c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d
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SHA512
60c3f32a31ed8d83aa1d915ed0ee0accffe8a6e3e88accc5037334f499e0ce02313a20dba9236261ab1fbe56c6c5836cdab51545c0d7668b941af27f6031ca74
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SSDEEP
49152:yldN8QFUwqYZeM9/ZzzBjMkPUayX82+YXAypQxb9ndo9JnCmGWncFf0I74gu3AM:y90wGGzBjryX82uypSb9ndo9JCm
Malware Config
Extracted
orcus
loocarpoint.duckdns.org:4782
cc0d0b196e424f1bb95d117665f988e0
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autostart_method
Disable
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enable_keylogger
false
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install_path
%programfiles%\Orcus\Orcus.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\kate_is_famous_holy_fuck
Signatures
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Orcurs Rat Executable 2 IoCs
Processes:
resource yara_rule behavioral2/memory/5012-0-0x0000016D21710000-0x0000016D21A0A000-memory.dmp orcus C:\Program Files\Orcus\Orcus.exe orcus -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe -
Executes dropped EXE 1 IoCs
Processes:
Orcus.exepid process 1684 Orcus.exe -
Drops file in Program Files directory 3 IoCs
Processes:
c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exedescription ioc process File created C:\Program Files\Orcus\Orcus.exe c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe File opened for modification C:\Program Files\Orcus\Orcus.exe c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe File created C:\Program Files\Orcus\Orcus.exe.config c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
Processes:
Orcus.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\Local Settings Orcus.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 2548 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exedescription pid process target process PID 5012 wrote to memory of 1684 5012 c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe Orcus.exe PID 5012 wrote to memory of 1684 5012 c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe Orcus.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe"C:\Users\Admin\AppData\Local\Temp\c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Program Files\Orcus\Orcus.exe"C:\Program Files\Orcus\Orcus.exe"2⤵
- Executes dropped EXE
- Modifies registry class
PID:1684
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2548
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.0MB
MD5fb9c101e7ee4206d46e76123f639194c
SHA15e83980f211ed8882cdbda90b374689d582e6cda
SHA256c9e013f2006038b22d258f6d487afab62029c5d0c71a7ce8af85ae4ac00a444d
SHA51260c3f32a31ed8d83aa1d915ed0ee0accffe8a6e3e88accc5037334f499e0ce02313a20dba9236261ab1fbe56c6c5836cdab51545c0d7668b941af27f6031ca74
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad