Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-06-2024 01:32
Behavioral task
behavioral1
Sample
d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe
Resource
win7-20240221-en
General
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Target
d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe
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Size
922KB
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MD5
2f3d6c45b5c428d17471d1c4d1c066a6
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SHA1
ef3ae75ab3bbef79f8e56ce313f2813e096f2bb7
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SHA256
d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0
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SHA512
417a9fdbf7006c0b09386b75ac8ed24be44eda2a7e3263c093e0dd2eb109a2f167ac2ac8168f709c06abccee03e9de97456d03a3afa6852e278b49af1e342502
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SSDEEP
24576:21j4MROxnFi3xs4rrcI0AilFEvxHPuooyX:2iMioK4rrcI0AilFEvxHP
Malware Config
Extracted
orcus
Blumhack
192.168.1.69:10134
92734687817a427285a117577619b55d
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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
Blumhack
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023416-22.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/3956-1-0x0000000000210000-0x00000000002FC000-memory.dmp orcus behavioral2/files/0x0007000000023416-22.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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation Orcus.exe Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation OrcusWatchdog.exe -
Executes dropped EXE 4 IoCs
pid Process 4964 Orcus.exe 3252 Orcus.exe 4956 OrcusWatchdog.exe 2828 OrcusWatchdog.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe File created C:\Program Files (x86)\Orcus\Orcus.exe d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.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 4964 Orcus.exe 4964 Orcus.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 2828 OrcusWatchdog.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe 4964 Orcus.exe 2828 OrcusWatchdog.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4964 Orcus.exe Token: SeDebugPrivilege 4956 OrcusWatchdog.exe Token: SeDebugPrivilege 2828 OrcusWatchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4964 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4964 Orcus.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4964 Orcus.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3956 wrote to memory of 4964 3956 d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe 83 PID 3956 wrote to memory of 4964 3956 d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe 83 PID 3956 wrote to memory of 4964 3956 d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe 83 PID 4964 wrote to memory of 4956 4964 Orcus.exe 87 PID 4964 wrote to memory of 4956 4964 Orcus.exe 87 PID 4964 wrote to memory of 4956 4964 Orcus.exe 87 PID 4956 wrote to memory of 2828 4956 OrcusWatchdog.exe 88 PID 4956 wrote to memory of 2828 4956 OrcusWatchdog.exe 88 PID 4956 wrote to memory of 2828 4956 OrcusWatchdog.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe"C:\Users\Admin\AppData\Local\Temp\d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3956 -
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:4964 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4964 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4964 "/protectFile"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828
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C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"1⤵
- Executes dropped EXE
PID:3252
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
922KB
MD52f3d6c45b5c428d17471d1c4d1c066a6
SHA1ef3ae75ab3bbef79f8e56ce313f2813e096f2bb7
SHA256d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0
SHA512417a9fdbf7006c0b09386b75ac8ed24be44eda2a7e3263c093e0dd2eb109a2f167ac2ac8168f709c06abccee03e9de97456d03a3afa6852e278b49af1e342502
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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
MD5e88de07fc968460e6e9251e1b0a3d35b
SHA1572af1188e404c5711862dc29211f2d9d1b0f8a8
SHA2563c27da86da2e7df28eb98ee30cefe5e3059184742098ccb9252b7c35bfb95910
SHA51250db9babb8007cc1f37b13d0b2e3d57f94231b43c7c3a09d044e00a3ac30b438cfccaf7b7e0ad35b50f3773f1f1c49a7d457305ab9e1913472611c29c2cf406a