Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
07-12-2024 01:04
General
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Target
7e5af014d000b8f289f758666ec44efc8e5b65475248944cd439433af0ff187e.exe
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Size
5.0MB
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MD5
14fb495cc853da2b1bab0ef9ad8ea15f
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SHA1
b6d6589a7a5638c50cbd6cf6482c31db3f941fec
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SHA256
7e5af014d000b8f289f758666ec44efc8e5b65475248944cd439433af0ff187e
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SHA512
a97cf03fe6c59fb334d57c6dc3f5aca28f80ab3d3b3a89ec9d1f5e08d856ca0d5da8e8eedbe469c31d0a9d3aba8a5a90772d76abf386951d402bab94124b8081
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SSDEEP
24576:nEu4MROxnFe3idtrrcI0AilFEvxHPfmoo6:nIMiwkrrcI0AilFEvxHP
Malware Config
Extracted
orcus
Test Hack
127.0.0.1:10134
de4e6099f84e48d89e40ea74092aa6a9
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\HDAudioDriver\HDAudioDriver.exe
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reconnect_delay
10000
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registry_keyname
Realtek_audio_driver
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taskscheduler_taskname
Orcus
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watchdog_path
Temp\chrome.exe
Signatures
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Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
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Orcus family
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Orcus main payload 1 IoCs
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Orcurs Rat Executable 2 IoCs
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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops file in Program Files directory 3 IoCs
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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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of SendNotifyMessage 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7e5af014d000b8f289f758666ec44efc8e5b65475248944cd439433af0ff187e.exe"C:\Users\Admin\AppData\Local\Temp\7e5af014d000b8f289f758666ec44efc8e5b65475248944cd439433af0ff187e.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\HDAudioDriver\HDAudioDriver.exe"C:\Program Files (x86)\HDAudioDriver\HDAudioDriver.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
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C:\Users\Admin\AppData\Local\Temp\chrome.exe"C:\Users\Admin\AppData\Local\Temp\chrome.exe" /launchSelfAndExit "C:\Program Files (x86)\HDAudioDriver\HDAudioDriver.exe" 3984 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\chrome.exe"C:\Users\Admin\AppData\Local\Temp\chrome.exe" /watchProcess "C:\Program Files (x86)\HDAudioDriver\HDAudioDriver.exe" 3984 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5.0MB
MD514fb495cc853da2b1bab0ef9ad8ea15f
SHA1b6d6589a7a5638c50cbd6cf6482c31db3f941fec
SHA2567e5af014d000b8f289f758666ec44efc8e5b65475248944cd439433af0ff187e
SHA512a97cf03fe6c59fb334d57c6dc3f5aca28f80ab3d3b3a89ec9d1f5e08d856ca0d5da8e8eedbe469c31d0a9d3aba8a5a90772d76abf386951d402bab94124b8081
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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
MD5d1dc14cf97a4c6135bd96eb847637c4a
SHA100f8650501e4a45bce03e8cfc673e3ae6ee2d367
SHA2561b8dadb9abfc3283f024582cc053fb8c76633faeb1718efc38f8b57228a21968
SHA512fc733c8a0a26dfb5cfd97496bb461ceb7b9bd0ab4d38c701e3deebc336705edb3e32173fde749931fdc75981254ba54bb096a4613bbdcdb7e4ec61dca8d55f4a
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Filesize
32KB
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Filesize
56KB
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Filesize
72KB
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Filesize
4KB
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Filesize
408KB
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Filesize
6.1MB
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Filesize
72KB
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Filesize
240KB
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Filesize
304KB
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Filesize
1.0MB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
936KB
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Filesize
584KB
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Filesize
368KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
1.8MB
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Filesize
64KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
72KB
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Filesize
96KB
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Filesize
312KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB