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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/02/2025, 01:07
Behavioral task
behavioral1
Sample
748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
Resource
win7-20241010-en
General
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Target
748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
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Size
924KB
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MD5
65b8b0a4be160758714c0a5844f720b7
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SHA1
9221f71daa2045ce35bc615a2595852d41984fa6
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SHA256
748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e
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SHA512
24bb5964acf9c000ead37f1329410d2e26fb0da8054ca782a104404aea199c4bbaf213b08e6f4906d560558ee6d49ec11b6df9fa0c51acfd057d6db364071a27
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SSDEEP
24576:Nzra4MROxnFE3KrXperZlI0AilFEvxHiHj:Nz1MiuQperZlI0AilFEvxHi
Malware Config
Extracted
orcus
loss-justin.gl.at.ply.gg:48331
27edce0e1a134e88b505ddd0fd2d2ad7
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autostart_method
TaskScheduler
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enable_keylogger
true
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install_path
%programfiles%\NotePad\NotePad.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
RobloxCrashHandler_19384
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watchdog_path
Temp\RobloxCrash.exe
Signatures
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Orcus family
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023b9b-64.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/files/0x000a000000023b9b-64.dat orcus behavioral2/memory/1576-76-0x00000000002A0000-0x000000000038E000-memory.dmp 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation RobloxCrash.exe Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation NotePad.exe -
Executes dropped EXE 6 IoCs
pid Process 4616 WindowsInput.exe 1008 WindowsInput.exe 1576 NotePad.exe 3636 NotePad.exe 4500 RobloxCrash.exe 2920 RobloxCrash.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File opened for modification C:\Windows\assembly\Desktop.ini 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\System32\NotePad\err_27edce0e1a134e88b505ddd0fd2d2ad7.dat 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File created C:\Windows\SysWOW64\WindowsInput.exe 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe File opened for modification C:\Windows\System32\NotePad\err_27edce0e1a134e88b505ddd0fd2d2ad7.dat NotePad.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files\NotePad\NotePad.exe 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File opened for modification C:\Program Files\NotePad\NotePad.exe 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File created C:\Program Files\NotePad\NotePad.exe.config 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File created C:\Windows\assembly\Desktop.ini 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe File opened for modification C:\Windows\assembly\Desktop.ini 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxCrash.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxCrash.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1576 NotePad.exe 1576 NotePad.exe 1576 NotePad.exe 2920 RobloxCrash.exe 2920 RobloxCrash.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe 1576 NotePad.exe 2920 RobloxCrash.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1576 NotePad.exe Token: SeDebugPrivilege 4500 RobloxCrash.exe Token: SeDebugPrivilege 2920 RobloxCrash.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1576 NotePad.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1576 NotePad.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1576 NotePad.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4080 wrote to memory of 3456 4080 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe 82 PID 4080 wrote to memory of 3456 4080 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe 82 PID 3456 wrote to memory of 3796 3456 csc.exe 84 PID 3456 wrote to memory of 3796 3456 csc.exe 84 PID 4080 wrote to memory of 4616 4080 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe 86 PID 4080 wrote to memory of 4616 4080 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe 86 PID 4080 wrote to memory of 1576 4080 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe 88 PID 4080 wrote to memory of 1576 4080 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe 88 PID 1576 wrote to memory of 4500 1576 NotePad.exe 90 PID 1576 wrote to memory of 4500 1576 NotePad.exe 90 PID 1576 wrote to memory of 4500 1576 NotePad.exe 90 PID 4500 wrote to memory of 2920 4500 RobloxCrash.exe 91 PID 4500 wrote to memory of 2920 4500 RobloxCrash.exe 91 PID 4500 wrote to memory of 2920 4500 RobloxCrash.exe 91 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe"C:\Users\Admin\AppData\Local\Temp\748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe"1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe"C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\mdjf3gic.cmdline"2⤵
- Suspicious use of WriteProcessMemory
PID:3456 -
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8686.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC8685.tmp"3⤵PID:3796
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:4616
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C:\Program Files\NotePad\NotePad.exe"C:\Program Files\NotePad\NotePad.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe"C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe" /launchSelfAndExit "C:\Program Files\NotePad\NotePad.exe" 1576 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe"C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe" /watchProcess "C:\Program Files\NotePad\NotePad.exe" 1576 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2920
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:1008
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C:\Program Files\NotePad\NotePad.exe"C:\Program Files\NotePad\NotePad.exe"1⤵
- Executes dropped EXE
PID:3636
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
924KB
MD565b8b0a4be160758714c0a5844f720b7
SHA19221f71daa2045ce35bc615a2595852d41984fa6
SHA256748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e
SHA51224bb5964acf9c000ead37f1329410d2e26fb0da8054ca782a104404aea199c4bbaf213b08e6f4906d560558ee6d49ec11b6df9fa0c51acfd057d6db364071a27
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Filesize
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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Filesize
1KB
MD5cc2622b3b617c7f5df4d6a90e736c816
SHA109a620943d0f8299ecb078444d3ae33d7c1b53f2
SHA2564daac7d22d973c033c4bcb9f62cb7449e7e31cbfb0ae44506938cbb5000bc330
SHA5129ca488e05429b79964b0de0cc00a454d811fb01bd40bf8f32b94619235bf979921c92890512f9d7843b1858ae3980cb265aa992c9a2c6216f28ace959d205cb3
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
76KB
MD56fe1304893eb183a0f85b48d916a55a6
SHA160fc35ed6b23ea8adcf733e7b8d00d6cdbdeaf2d
SHA2562b1942210973be77bdd00ee5e6ae075a4e12ff5b0d720e4a55ea9d2b45f4e6b3
SHA512172cd08440ae1ac94360541372262bc6edf45e59af36d7988e192e79fb020fdeb65b8ef8a7997820668689d057c7fbe3b41ac7c5c9d0725c99e03f0f8324e9c2
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
1KB
MD5ec75389aafcd52ff638300d9828ecef2
SHA1ec1c0e1503c1602dbab3e51504af77286524cd0b
SHA256d4f9f6594cd8ec44276d4ddfc667965ca8746d54b35fb160d5cdf38485bf2355
SHA5123619adc901addc7cc77d7fabdde8746c32742e763bd2201aefd14d24f560a7fccc7b3195ea152aff7161d7b2f21524c8c2aaa164fa7e74071c6d17a8922dabfe
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Filesize
676B
MD53f8b8ad088e47220768345fa127b418b
SHA13f080b391dbc83de7b65e7484f9ecabf02d73fc2
SHA2566eeafeaa7f03409b170f6fde33da67fd333dcba80ada2404b43c51626e91b0e4
SHA51243d856de8e17d8decd189d21063ed6fbe8dd563f9f2f608cee03bf0c6073319e7264829f71baff0a67d80133de1b9a0dacebdb3bfb2afd8579dd4e2b43ba3fda
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Filesize
208KB
MD57123c636673439fd40dfced63b0c4687
SHA190c2aba8746cc49dab01d99ca69d20b4a592524d
SHA256bdca079b093684558750c954de971b3ccec9316a7427209aece1e29f127b0bef
SHA5121266e9dafa72dd3f6314c1a9429a09f035a5367b7e01b2f99e6642f84461b16b20c69e9387d402778ded32220f641f4e4868854e346da8b225895979c6f1e0b8
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Filesize
349B
MD50fb0584f4f17ae67de811055c7bc214f
SHA16d79422528bc2fb62d5f17d9832bef898e2313e3
SHA2560d29155d6f63bab8082052829cefdb009674f2a69fa7db59effc8aebc4e10d46
SHA512099d89a1a787fbbb77d19982b7a21e1436c636e6d251dc3011b150e901a2393f58b66628fce733f06cd7e67f53731ab3743a9f0f7fe9dc2e555522e7fb0fe8e6