Analysis
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max time kernel
154s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23-06-2024 01:02
Behavioral task
behavioral1
Sample
68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe
Resource
win10v2004-20240226-en
General
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Target
68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe
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Size
924KB
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MD5
b9941c3d4dbe7b3a7a74517ca5577e81
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SHA1
ac5d234b16377491c3891dec2a628d2f13a5b6c5
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SHA256
68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2
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SHA512
01aed78d3b15e49c723a5c09caf8003d548d6fbc166fec989b0795f2723868d75c3a1bcd936115f0163d7750d50ec8c297a7b784851556c419b4869e178afc25
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SSDEEP
12288:e0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNC7JsLdn487Rhp2sxuw7dG1lFlWK:bJ14MROxnFE3sFrrcI0AilFEvxHjUQf
Malware Config
Extracted
orcus
147.185.221.229:56094
2e76dc04b91f4090b8ce38a21dda6ce7
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\svhost\svhost.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\svhost.exe
Signatures
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023260-40.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/3328-1-0x0000000000230000-0x000000000031E000-memory.dmp orcus behavioral2/files/0x0007000000023260-40.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation svhost.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation svhost.exe -
Executes dropped EXE 6 IoCs
pid Process 5116 WindowsInput.exe 4948 WindowsInput.exe 4908 svhost.exe 3420 svhost.exe 3724 svhost.exe 808 svhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files\\svhost\\svhost.exe\"" svhost.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe.config 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe File created C:\Windows\SysWOW64\WindowsInput.exe 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files\svhost\svhost.exe 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe File created C:\Program Files\svhost\svhost.exe.config 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe File created C:\Program Files\svhost\svhost.exe 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.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 808 svhost.exe 808 svhost.exe 4908 svhost.exe 4908 svhost.exe 4908 svhost.exe 4908 svhost.exe 808 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe 4908 svhost.exe 808 svhost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4908 svhost.exe Token: SeDebugPrivilege 3724 svhost.exe Token: SeDebugPrivilege 808 svhost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4908 svhost.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3328 wrote to memory of 5116 3328 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe 92 PID 3328 wrote to memory of 5116 3328 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe 92 PID 3328 wrote to memory of 4908 3328 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe 94 PID 3328 wrote to memory of 4908 3328 68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe 94 PID 4908 wrote to memory of 3724 4908 svhost.exe 96 PID 4908 wrote to memory of 3724 4908 svhost.exe 96 PID 4908 wrote to memory of 3724 4908 svhost.exe 96 PID 3724 wrote to memory of 808 3724 svhost.exe 100 PID 3724 wrote to memory of 808 3724 svhost.exe 100 PID 3724 wrote to memory of 808 3724 svhost.exe 100 -
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\68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe"C:\Users\Admin\AppData\Local\Temp\68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:5116
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C:\Program Files\svhost\svhost.exe"C:\Program Files\svhost\svhost.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Users\Admin\AppData\Roaming\svhost.exe"C:\Users\Admin\AppData\Roaming\svhost.exe" /launchSelfAndExit "C:\Program Files\svhost\svhost.exe" 4908 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Users\Admin\AppData\Roaming\svhost.exe"C:\Users\Admin\AppData\Roaming\svhost.exe" /watchProcess "C:\Program Files\svhost\svhost.exe" 4908 "/protectFile"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:808
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:4948
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C:\Program Files\svhost\svhost.exe"C:\Program Files\svhost\svhost.exe"1⤵
- Executes dropped EXE
PID:3420
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3672 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:81⤵PID:4496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
924KB
MD5b9941c3d4dbe7b3a7a74517ca5577e81
SHA1ac5d234b16377491c3891dec2a628d2f13a5b6c5
SHA25668c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2
SHA51201aed78d3b15e49c723a5c09caf8003d548d6fbc166fec989b0795f2723868d75c3a1bcd936115f0163d7750d50ec8c297a7b784851556c419b4869e178afc25
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
1KB
MD5d701c56dd6f27d37b1f431815163e06b
SHA1a9498a7215cb3f3ec0820a63f1debfa1c0fee882
SHA2568fee74f1adbf26308f231e3efd8cd52c0a7619b92e9d4e0e9ff3289e86aced9f
SHA51294537e669cce528628f5dfae56f28d7cd9441b0427f18383e72c18d1b441ecf623b76132f19f21e1ad8c5098fd825f0c466f5d426ce07266d28b4f8f66802686
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad