Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08-02-2024 01:08
Behavioral task
behavioral1
Sample
2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe
Resource
win7-20231215-en
General
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Target
2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe
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Size
1.1MB
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MD5
34b6450b9e4e3b3727ff9d7e9c790d34
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SHA1
edbbd2c236ac2fe7402b938199b70f3510c2c58c
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SHA256
2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c
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SHA512
65349b6632615201537f9f1791f52de07d1ee101edddc1696916dfb02b320c45272be95286b25c4a743cf6b8889489f6e7b93c774ded6c46b98a74337748da38
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SSDEEP
24576:H884MROxnFE3ci3rrcI0AilFEvxHPpoot:HGMiuv3rrcI0AilFEvxHP
Malware Config
Extracted
orcus
0.tcp.eu.ngrok.io:12187
f78b25f6477f429680c2e1eadc9b201c
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autostart_method
TaskScheduler
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enable_keylogger
false
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install_path
%programfiles%\svchost\svchost.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\svchost.exe
Signatures
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x0006000000023221-49.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/3488-1-0x00000000003A0000-0x00000000004CC000-memory.dmp orcus behavioral2/files/0x0006000000023221-49.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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation svchost.exe Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 6 IoCs
pid Process 4940 WindowsInput.exe 3232 WindowsInput.exe 1392 svchost.exe 3928 svchost.exe 4604 svchost.exe 3352 svchost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 31 0.tcp.eu.ngrok.io 59 0.tcp.eu.ngrok.io -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe.config 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe File created C:\Windows\SysWOW64\WindowsInput.exe 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\svchost\svchost.exe 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe File opened for modification C:\Program Files (x86)\svchost\svchost.exe 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe File created C:\Program Files (x86)\svchost\svchost.exe.config 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.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 3352 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 1392 svchost.exe 3352 svchost.exe 1392 svchost.exe 3352 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1392 svchost.exe Token: SeDebugPrivilege 4604 svchost.exe Token: SeDebugPrivilege 3352 svchost.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3488 wrote to memory of 4940 3488 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 85 PID 3488 wrote to memory of 4940 3488 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 85 PID 3488 wrote to memory of 1392 3488 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 87 PID 3488 wrote to memory of 1392 3488 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 87 PID 3488 wrote to memory of 1392 3488 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 87 PID 1392 wrote to memory of 4604 1392 svchost.exe 92 PID 1392 wrote to memory of 4604 1392 svchost.exe 92 PID 1392 wrote to memory of 4604 1392 svchost.exe 92 PID 4604 wrote to memory of 3352 4604 svchost.exe 93 PID 4604 wrote to memory of 3352 4604 svchost.exe 93 PID 4604 wrote to memory of 3352 4604 svchost.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe"C:\Users\Admin\AppData\Local\Temp\2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:4940
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C:\Program Files (x86)\svchost\svchost.exe"C:\Program Files (x86)\svchost\svchost.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Program Files (x86)\svchost\svchost.exe" 13923⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Program Files (x86)\svchost\svchost.exe" 13924⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3352
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:3232
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C:\Program Files (x86)\svchost\svchost.exe"C:\Program Files (x86)\svchost\svchost.exe"1⤵
- Executes dropped EXE
PID:3928
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD534b6450b9e4e3b3727ff9d7e9c790d34
SHA1edbbd2c236ac2fe7402b938199b70f3510c2c58c
SHA2562ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c
SHA51265349b6632615201537f9f1791f52de07d1ee101edddc1696916dfb02b320c45272be95286b25c4a743cf6b8889489f6e7b93c774ded6c46b98a74337748da38
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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
MD5a0e6e1e1451442634a481991a2802101
SHA1ed0d32696b6511b2c363a910dcce94c012863b2f
SHA256415b08c9be736b62f2a61eb1e73f1786c012944c4b8ee81a12d201586e7cf745
SHA5128c1b40b2d07073f7d0e3bdd30603b54e8fa9b34b409df8a281f9b6260c5e8a3b1424c8ef89c9dc10969a266fb42f6a009e05138938e6e34be7ee6b60726ca901
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad