Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
24-04-2024 01:42
Behavioral task
behavioral1
Sample
29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
Resource
win7-20240221-en
General
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Target
29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
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Size
917KB
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MD5
8cfb9da9582d67319cbffb3d57c83d5c
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SHA1
e452572577424d9740b07b3119c9442d46208a55
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SHA256
29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6
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SHA512
fa92188051c9ff9720ca9ff4c9fd7b8672c192921f19aad956ad6253d3366b0f7c3379ea2b0b439fcaea301166644aab148528f338bbe74e52035fbefd55820f
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SSDEEP
24576:W554MROxnFH3WIBM4irrcI0AilFEvxHPnTooe:WQMihWeirrcI0AilFEvxHPn
Malware Config
Extracted
orcus
Lesha
127.0.0.1:1268
1be714c0b4c0462db71afc6acd175bfc
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autostart_method
TaskScheduler
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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
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023412-41.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/1912-0-0x00000000006A0000-0x000000000078C000-memory.dmp orcus behavioral2/files/0x0008000000023412-41.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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation Orcus.exe Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation OrcusWatchdog.exe -
Executes dropped EXE 6 IoCs
pid Process 3928 WindowsInput.exe 3292 WindowsInput.exe 1052 Orcus.exe 3040 Orcus.exe 916 OrcusWatchdog.exe 2256 OrcusWatchdog.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\Orcus\Orcus.exe 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1052 Orcus.exe 1052 Orcus.exe 1052 Orcus.exe 1052 Orcus.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe 1052 Orcus.exe 2256 OrcusWatchdog.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1052 Orcus.exe Token: SeDebugPrivilege 916 OrcusWatchdog.exe Token: SeDebugPrivilege 2256 OrcusWatchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1052 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1052 Orcus.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1052 Orcus.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1912 wrote to memory of 3928 1912 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe 88 PID 1912 wrote to memory of 3928 1912 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe 88 PID 1912 wrote to memory of 1052 1912 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe 92 PID 1912 wrote to memory of 1052 1912 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe 92 PID 1912 wrote to memory of 1052 1912 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe 92 PID 1052 wrote to memory of 916 1052 Orcus.exe 98 PID 1052 wrote to memory of 916 1052 Orcus.exe 98 PID 1052 wrote to memory of 916 1052 Orcus.exe 98 PID 916 wrote to memory of 2256 916 OrcusWatchdog.exe 100 PID 916 wrote to memory of 2256 916 OrcusWatchdog.exe 100 PID 916 wrote to memory of 2256 916 OrcusWatchdog.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe"C:\Users\Admin\AppData\Local\Temp\29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:3928
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C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 1052 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 1052 "/protectFile"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2256
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:3292
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C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"1⤵
- Executes dropped EXE
PID:3040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
917KB
MD58cfb9da9582d67319cbffb3d57c83d5c
SHA1e452572577424d9740b07b3119c9442d46208a55
SHA25629a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6
SHA512fa92188051c9ff9720ca9ff4c9fd7b8672c192921f19aad956ad6253d3366b0f7c3379ea2b0b439fcaea301166644aab148528f338bbe74e52035fbefd55820f
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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
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad