Analysis
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max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
29-11-2024 01:08
Behavioral task
behavioral1
Sample
b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe
Resource
win7-20241010-en
General
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Target
b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe
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Size
1.8MB
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MD5
7198068d0bacbf0fc100501e1277a12e
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SHA1
d5b6f1d6657049e22fa0afd33cd67a6da23f50d9
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SHA256
b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846
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SHA512
5fe588e906d78985dfc81241c62b8d1765bad528e4a5bcf0a43ea1e9b639a5fbba8f1dc3b7c0e9d89ad61c5ac26326aef02e8f673869ba5ef8b86a607983f0ec
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SSDEEP
49152:xeMibK7U6rrcI0AilFEvxHP4MrLocaKjGs:xeS3
Malware Config
Extracted
orcus
solara
212.15.49.233:5050
094a584ddb794dbe9ff094ec5bbdb4d1
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autostart_method
TaskScheduler
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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
SystemSettings
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taskscheduler_taskname
UserOOBEBroker
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watchdog_path
AppData\taskhostw.exe
Signatures
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Processes:
resource yara_rule behavioral1/memory/2792-23-0x0000000000660000-0x0000000000668000-memory.dmp disable_win_def -
Orcus family
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Orcus main payload 1 IoCs
Processes:
resource yara_rule behavioral1/files/0x00090000000120fe-2.dat family_orcus -
Orcurs Rat Executable 4 IoCs
Processes:
resource yara_rule behavioral1/files/0x00090000000120fe-2.dat orcus behavioral1/memory/2744-11-0x0000000000400000-0x00000000005C8000-memory.dmp orcus behavioral1/memory/2792-15-0x0000000000840000-0x000000000093C000-memory.dmp orcus behavioral1/memory/588-51-0x0000000000110000-0x000000000020C000-memory.dmp orcus -
Executes dropped EXE 9 IoCs
Processes:
UserAccountControlSettings.exeBootstrapperV1.22.exeWindowsInput.exeWindowsInput.exeOrcus.exeOrcus.exetaskhostw.exetaskhostw.exepid Process 2792 UserAccountControlSettings.exe 2912 BootstrapperV1.22.exe 1188 1524 WindowsInput.exe 2268 WindowsInput.exe 588 Orcus.exe 320 Orcus.exe 1632 taskhostw.exe 1764 taskhostw.exe -
Loads dropped DLL 11 IoCs
Processes:
b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exeUserAccountControlSettings.exeOrcus.exeWerFault.exepid Process 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 2896 2792 UserAccountControlSettings.exe 2792 UserAccountControlSettings.exe 588 Orcus.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe -
Drops file in System32 directory 3 IoCs
Processes:
UserAccountControlSettings.exeWindowsInput.exedescription ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe UserAccountControlSettings.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config UserAccountControlSettings.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe -
Drops file in Program Files directory 3 IoCs
Processes:
UserAccountControlSettings.exedescription ioc Process File created C:\Program Files (x86)\Orcus\Orcus.exe UserAccountControlSettings.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe UserAccountControlSettings.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config UserAccountControlSettings.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 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
UserAccountControlSettings.exeOrcus.exeOrcus.exetaskhostw.exetaskhostw.exeb46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UserAccountControlSettings.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Orcus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Orcus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskhostw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskhostw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid Process 2988 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
taskhostw.exeOrcus.exepid Process 1764 taskhostw.exe 1764 taskhostw.exe 1764 taskhostw.exe 588 Orcus.exe 588 Orcus.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 588 Orcus.exe 1764 taskhostw.exe 1764 taskhostw.exe 588 Orcus.exe 588 Orcus.exe 1764 taskhostw.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 588 Orcus.exe 1764 taskhostw.exe 1764 taskhostw.exe 588 Orcus.exe 588 Orcus.exe 1764 taskhostw.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe 1764 taskhostw.exe 588 Orcus.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
Orcus.exetaskhostw.exetaskhostw.exeWMIC.exeBootstrapperV1.22.exedescription pid Process Token: SeDebugPrivilege 588 Orcus.exe Token: SeDebugPrivilege 1632 taskhostw.exe Token: SeDebugPrivilege 1764 taskhostw.exe Token: SeIncreaseQuotaPrivilege 2964 WMIC.exe Token: SeSecurityPrivilege 2964 WMIC.exe Token: SeTakeOwnershipPrivilege 2964 WMIC.exe Token: SeLoadDriverPrivilege 2964 WMIC.exe Token: SeSystemProfilePrivilege 2964 WMIC.exe Token: SeSystemtimePrivilege 2964 WMIC.exe Token: SeProfSingleProcessPrivilege 2964 WMIC.exe Token: SeIncBasePriorityPrivilege 2964 WMIC.exe Token: SeCreatePagefilePrivilege 2964 WMIC.exe Token: SeBackupPrivilege 2964 WMIC.exe Token: SeRestorePrivilege 2964 WMIC.exe Token: SeShutdownPrivilege 2964 WMIC.exe Token: SeDebugPrivilege 2964 WMIC.exe Token: SeSystemEnvironmentPrivilege 2964 WMIC.exe Token: SeRemoteShutdownPrivilege 2964 WMIC.exe Token: SeUndockPrivilege 2964 WMIC.exe Token: SeManageVolumePrivilege 2964 WMIC.exe Token: 33 2964 WMIC.exe Token: 34 2964 WMIC.exe Token: 35 2964 WMIC.exe Token: SeIncreaseQuotaPrivilege 2964 WMIC.exe Token: SeSecurityPrivilege 2964 WMIC.exe Token: SeTakeOwnershipPrivilege 2964 WMIC.exe Token: SeLoadDriverPrivilege 2964 WMIC.exe Token: SeSystemProfilePrivilege 2964 WMIC.exe Token: SeSystemtimePrivilege 2964 WMIC.exe Token: SeProfSingleProcessPrivilege 2964 WMIC.exe Token: SeIncBasePriorityPrivilege 2964 WMIC.exe Token: SeCreatePagefilePrivilege 2964 WMIC.exe Token: SeBackupPrivilege 2964 WMIC.exe Token: SeRestorePrivilege 2964 WMIC.exe Token: SeShutdownPrivilege 2964 WMIC.exe Token: SeDebugPrivilege 2964 WMIC.exe Token: SeSystemEnvironmentPrivilege 2964 WMIC.exe Token: SeRemoteShutdownPrivilege 2964 WMIC.exe Token: SeUndockPrivilege 2964 WMIC.exe Token: SeManageVolumePrivilege 2964 WMIC.exe Token: 33 2964 WMIC.exe Token: 34 2964 WMIC.exe Token: 35 2964 WMIC.exe Token: SeDebugPrivilege 2912 BootstrapperV1.22.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exeBootstrapperV1.22.execmd.exeUserAccountControlSettings.exetaskeng.exeOrcus.exetaskhostw.execmd.exedescription pid Process procid_target PID 2744 wrote to memory of 2792 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 30 PID 2744 wrote to memory of 2792 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 30 PID 2744 wrote to memory of 2792 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 30 PID 2744 wrote to memory of 2792 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 30 PID 2744 wrote to memory of 2912 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 31 PID 2744 wrote to memory of 2912 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 31 PID 2744 wrote to memory of 2912 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 31 PID 2744 wrote to memory of 2912 2744 b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe 31 PID 2912 wrote to memory of 2812 2912 BootstrapperV1.22.exe 33 PID 2912 wrote to memory of 2812 2912 BootstrapperV1.22.exe 33 PID 2912 wrote to memory of 2812 2912 BootstrapperV1.22.exe 33 PID 2812 wrote to memory of 2988 2812 cmd.exe 35 PID 2812 wrote to memory of 2988 2812 cmd.exe 35 PID 2812 wrote to memory of 2988 2812 cmd.exe 35 PID 2792 wrote to memory of 1524 2792 UserAccountControlSettings.exe 37 PID 2792 wrote to memory of 1524 2792 UserAccountControlSettings.exe 37 PID 2792 wrote to memory of 1524 2792 UserAccountControlSettings.exe 37 PID 2792 wrote to memory of 1524 2792 UserAccountControlSettings.exe 37 PID 2792 wrote to memory of 588 2792 UserAccountControlSettings.exe 39 PID 2792 wrote to memory of 588 2792 UserAccountControlSettings.exe 39 PID 2792 wrote to memory of 588 2792 UserAccountControlSettings.exe 39 PID 2792 wrote to memory of 588 2792 UserAccountControlSettings.exe 39 PID 1792 wrote to memory of 320 1792 taskeng.exe 41 PID 1792 wrote to memory of 320 1792 taskeng.exe 41 PID 1792 wrote to memory of 320 1792 taskeng.exe 41 PID 1792 wrote to memory of 320 1792 taskeng.exe 41 PID 588 wrote to memory of 1632 588 Orcus.exe 42 PID 588 wrote to memory of 1632 588 Orcus.exe 42 PID 588 wrote to memory of 1632 588 Orcus.exe 42 PID 588 wrote to memory of 1632 588 Orcus.exe 42 PID 1632 wrote to memory of 1764 1632 taskhostw.exe 43 PID 1632 wrote to memory of 1764 1632 taskhostw.exe 43 PID 1632 wrote to memory of 1764 1632 taskhostw.exe 43 PID 1632 wrote to memory of 1764 1632 taskhostw.exe 43 PID 2912 wrote to memory of 1392 2912 BootstrapperV1.22.exe 44 PID 2912 wrote to memory of 1392 2912 BootstrapperV1.22.exe 44 PID 2912 wrote to memory of 1392 2912 BootstrapperV1.22.exe 44 PID 1392 wrote to memory of 2964 1392 cmd.exe 46 PID 1392 wrote to memory of 2964 1392 cmd.exe 46 PID 1392 wrote to memory of 2964 1392 cmd.exe 46 PID 2912 wrote to memory of 1540 2912 BootstrapperV1.22.exe 47 PID 2912 wrote to memory of 1540 2912 BootstrapperV1.22.exe 47 PID 2912 wrote to memory of 1540 2912 BootstrapperV1.22.exe 47
Processes
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C:\Users\Admin\AppData\Local\Temp\b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe"C:\Users\Admin\AppData\Local\Temp\b46ca3e280c9c9d86e111e56f53373336260a7cb5365d869e7d75bcfcd516846.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Users\Admin\AppData\Local\Temp\UserAccountControlSettings.exe"C:\Users\Admin\AppData\Local\Temp\UserAccountControlSettings.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install3⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:1524
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C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588 -
C:\Users\Admin\AppData\Roaming\taskhostw.exe"C:\Users\Admin\AppData\Roaming\taskhostw.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 588 /protectFile4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Roaming\taskhostw.exe"C:\Users\Admin\AppData\Roaming\taskhostw.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 588 "/protectFile"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1764
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.22.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.22.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\system32\cmd.exe"cmd" /c ipconfig /all3⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\system32\ipconfig.exeipconfig /all4⤵
- Gathers network information
PID:2988
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C:\Windows\system32\cmd.exe"cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")3⤵
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Windows\System32\Wbem\WMIC.exewmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2964
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2912 -s 11243⤵
- Loads dropped DLL
PID:1540
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:2268
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C:\Windows\system32\taskeng.exetaskeng.exe {0A50629F-A009-45FA-BE41-B8E25B08B997} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:320
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
800KB
MD52a4dcf20b82896be94eb538260c5fb93
SHA121f232c2fd8132f8677e53258562ad98b455e679
SHA256ebbcb489171abfcfce56554dbaeacd22a15838391cbc7c756db02995129def5a
SHA5124f1164b2312fb94b7030d6eb6aa9f3502912ffa33505f156443570fc964bfd3bb21ded3cf84092054e07346d2dce83a0907ba33f4ba39ad3fe7a78e836efe288
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
1KB
MD57298556cba219e9ff34cd4494f6a2c97
SHA1c25d6d978735ca055f479a7c5e128c6abedea4f9
SHA25609a3ebfee53916b66f239babd5ec3431780e140a175add1d2fc98021957d8a04
SHA5126a6f9375fd09d9ab6c093d7a980a54a9a15895a24dd092e6db40d6489e7b07d06e38b000e32c85a61de89d25dc87843022d1f39013cf452b7c4678430950466b
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
986KB
MD5f4cc5f812d038c702051b7026f67ec65
SHA1bc26685023eddc1e6a82ee6ebe52d7c1bcb14cda
SHA2567d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc
SHA512f953fe57a35d88063ac2a25e9629f6f3953bf7678b5cbdde0ac66928bdc671a2f43a0b8d81dd74ccfb01f24867456f2462f783d023da09dee72acd0f78210058
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e