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Analysis
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max time kernel
127s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2023, 17:07
Behavioral task
behavioral1
Sample
1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe
Resource
win7-20231023-en
General
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Target
1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe
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Size
3.0MB
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MD5
28555cdcfdfd0bf3adfe7b6d8300d663
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SHA1
2ed1f0ae3e2211e838ce696b2b8da8bbc3bce302
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SHA256
1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a
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SHA512
89c6a043207b886394edb4f4a37205702a116b2ce947821083ac5b5c655c8ab62a44be7d19ced44c2ef68871f676886da668beb0645adc538d93b12dfe41ff99
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SSDEEP
49152:O3X27p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpEu/nRFfjI7L0qb:OWHTPJg8z1mKnypSbRxo9JCm
Malware Config
Extracted
orcus
Новый тег
31.44.184.52:51799
sudo_fbeb4ugauobmve8ky88uf3znrogba97i
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autostart_method
Disable
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enable_keylogger
false
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install_path
%appdata%\externaleternalprotect\protectexternal.exe
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reconnect_delay
10000
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registry_keyname
Sudik
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taskscheduler_taskname
sudik
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watchdog_path
AppData\aga.exe
Signatures
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Orcus main payload 6 IoCs
resource yara_rule behavioral2/files/0x0007000000023202-13.dat family_orcus behavioral2/files/0x0007000000023202-19.dat family_orcus behavioral2/files/0x0007000000023202-22.dat family_orcus behavioral2/files/0x0007000000023202-28.dat family_orcus behavioral2/files/0x0007000000023202-53.dat family_orcus behavioral2/files/0x0007000000023202-57.dat family_orcus -
Orcurs Rat Executable 7 IoCs
resource yara_rule behavioral2/memory/4736-1-0x00000000007D0000-0x0000000000ACE000-memory.dmp orcus behavioral2/files/0x0007000000023202-13.dat orcus behavioral2/files/0x0007000000023202-19.dat orcus behavioral2/files/0x0007000000023202-22.dat orcus behavioral2/files/0x0007000000023202-28.dat orcus behavioral2/files/0x0007000000023202-53.dat orcus behavioral2/files/0x0007000000023202-57.dat orcus -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-433534792-1200107535-3148087551-1000\Control Panel\International\Geo\Nation 1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe -
Executes dropped EXE 4 IoCs
pid Process 864 protectexternal.exe 3492 protectexternal.exe 1160 protectexternal.exe 2380 protectexternal.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 864 set thread context of 2300 864 protectexternal.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4736 1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe 864 protectexternal.exe 864 protectexternal.exe 2300 installutil.exe 2300 installutil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4736 1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe Token: SeDebugPrivilege 864 protectexternal.exe Token: SeDebugPrivilege 2300 installutil.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4736 wrote to memory of 864 4736 1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe 91 PID 4736 wrote to memory of 864 4736 1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe 91 PID 4736 wrote to memory of 864 4736 1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe 91 PID 864 wrote to memory of 2300 864 protectexternal.exe 92 PID 864 wrote to memory of 2300 864 protectexternal.exe 92 PID 864 wrote to memory of 2300 864 protectexternal.exe 92 PID 864 wrote to memory of 2300 864 protectexternal.exe 92 PID 864 wrote to memory of 2300 864 protectexternal.exe 92 PID 864 wrote to memory of 2300 864 protectexternal.exe 92 PID 864 wrote to memory of 2300 864 protectexternal.exe 92 PID 864 wrote to memory of 2300 864 protectexternal.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe"C:\Users\Admin\AppData\Local\Temp\1e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exe"C:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2300
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C:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exeC:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exe1⤵
- Executes dropped EXE
PID:3492
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C:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exeC:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exe1⤵
- Executes dropped EXE
PID:1160
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C:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exeC:\Users\Admin\AppData\Roaming\externaleternalprotect\protectexternal.exe1⤵
- Executes dropped EXE
PID:2380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5663b8d5469caa4489d463aa9bc18124f
SHA1e57123a7d969115853ea631a3b33826335025d28
SHA2567b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8
SHA51245e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55
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Filesize
3.0MB
MD528555cdcfdfd0bf3adfe7b6d8300d663
SHA12ed1f0ae3e2211e838ce696b2b8da8bbc3bce302
SHA2561e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a
SHA51289c6a043207b886394edb4f4a37205702a116b2ce947821083ac5b5c655c8ab62a44be7d19ced44c2ef68871f676886da668beb0645adc538d93b12dfe41ff99
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Filesize
3.0MB
MD528555cdcfdfd0bf3adfe7b6d8300d663
SHA12ed1f0ae3e2211e838ce696b2b8da8bbc3bce302
SHA2561e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a
SHA51289c6a043207b886394edb4f4a37205702a116b2ce947821083ac5b5c655c8ab62a44be7d19ced44c2ef68871f676886da668beb0645adc538d93b12dfe41ff99
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Filesize
3.0MB
MD528555cdcfdfd0bf3adfe7b6d8300d663
SHA12ed1f0ae3e2211e838ce696b2b8da8bbc3bce302
SHA2561e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a
SHA51289c6a043207b886394edb4f4a37205702a116b2ce947821083ac5b5c655c8ab62a44be7d19ced44c2ef68871f676886da668beb0645adc538d93b12dfe41ff99
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Filesize
3.0MB
MD528555cdcfdfd0bf3adfe7b6d8300d663
SHA12ed1f0ae3e2211e838ce696b2b8da8bbc3bce302
SHA2561e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a
SHA51289c6a043207b886394edb4f4a37205702a116b2ce947821083ac5b5c655c8ab62a44be7d19ced44c2ef68871f676886da668beb0645adc538d93b12dfe41ff99
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Filesize
3.0MB
MD528555cdcfdfd0bf3adfe7b6d8300d663
SHA12ed1f0ae3e2211e838ce696b2b8da8bbc3bce302
SHA2561e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a
SHA51289c6a043207b886394edb4f4a37205702a116b2ce947821083ac5b5c655c8ab62a44be7d19ced44c2ef68871f676886da668beb0645adc538d93b12dfe41ff99
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Filesize
3.0MB
MD528555cdcfdfd0bf3adfe7b6d8300d663
SHA12ed1f0ae3e2211e838ce696b2b8da8bbc3bce302
SHA2561e1db2090de23f85c54c3598e7ec16682023f471d5ca63376b1f4055fbf8eb8a
SHA51289c6a043207b886394edb4f4a37205702a116b2ce947821083ac5b5c655c8ab62a44be7d19ced44c2ef68871f676886da668beb0645adc538d93b12dfe41ff99
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad