Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 02:35
Behavioral task
behavioral1
Sample
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe
Resource
win7-20241010-en
General
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Target
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe
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Size
3.0MB
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MD5
0d50990c94c65cd0646cb9f193e86d70
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SHA1
5adaa981de0a2528db967b3e6349518a010580b8
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SHA256
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8
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SHA512
7f55b6241cdaaae05205cd12e5e59db2516d2b27b00e58fdb3929641cb344da4ce40d51ea196d53ca5181b73f3f7f3d8f827decdcf73533d86e512722d3e51d8
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SSDEEP
49152:O3X27p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpEu/nRFfjI7L0qb:OWHTPJg8z1mKnypSbRxo9JCm
Malware Config
Extracted
orcus
newreborn
31.44.184.52:10903
sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery
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autostart_method
Disable
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enable_keylogger
false
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install_path
%appdata%\dlejavascriptgenerator\javascripteternal.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 family
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Orcus main payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x0007000000023cce-13.dat family_orcus -
Orcurs Rat Executable 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2204-1-0x0000000000C10000-0x0000000000F0E000-memory.dmp orcus behavioral2/files/0x0007000000023cce-13.dat orcus -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe -
Executes dropped EXE 3 IoCs
Processes:
javascripteternal.exejavascripteternal.exejavascripteternal.exepid Process 1788 javascripteternal.exe 444 javascripteternal.exe 1864 javascripteternal.exe -
Loads dropped DLL 6 IoCs
Processes:
regasm.exepid Process 1388 regasm.exe 1388 regasm.exe 1388 regasm.exe 1388 regasm.exe 1388 regasm.exe 1388 regasm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
javascripteternal.exedescription pid Process procid_target PID 1788 set thread context of 1388 1788 javascripteternal.exe 89 -
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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exejavascripteternal.exejavascripteternal.exeregasm.exejavascripteternal.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language javascripteternal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language javascripteternal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language javascripteternal.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exejavascripteternal.exeregasm.exepid Process 2204 9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe 1788 javascripteternal.exe 1788 javascripteternal.exe 1788 javascripteternal.exe 1788 javascripteternal.exe 1788 javascripteternal.exe 1788 javascripteternal.exe 1788 javascripteternal.exe 1788 javascripteternal.exe 1388 regasm.exe 1388 regasm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exejavascripteternal.exeregasm.exedescription pid Process Token: SeDebugPrivilege 2204 9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe Token: SeDebugPrivilege 1788 javascripteternal.exe Token: SeDebugPrivilege 1388 regasm.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exejavascripteternal.exedescription pid Process procid_target PID 2204 wrote to memory of 1788 2204 9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe 84 PID 2204 wrote to memory of 1788 2204 9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe 84 PID 2204 wrote to memory of 1788 2204 9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe 84 PID 1788 wrote to memory of 1160 1788 javascripteternal.exe 86 PID 1788 wrote to memory of 1160 1788 javascripteternal.exe 86 PID 1788 wrote to memory of 1160 1788 javascripteternal.exe 86 PID 1788 wrote to memory of 740 1788 javascripteternal.exe 87 PID 1788 wrote to memory of 740 1788 javascripteternal.exe 87 PID 1788 wrote to memory of 740 1788 javascripteternal.exe 87 PID 1788 wrote to memory of 1892 1788 javascripteternal.exe 88 PID 1788 wrote to memory of 1892 1788 javascripteternal.exe 88 PID 1788 wrote to memory of 1892 1788 javascripteternal.exe 88 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89 PID 1788 wrote to memory of 1388 1788 javascripteternal.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe"C:\Users\Admin\AppData\Local\Temp\9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe"C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"3⤵PID:1160
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"3⤵PID:740
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"3⤵PID:1892
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
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C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exeC:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:444
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C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exeC:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1864
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
MD50d50990c94c65cd0646cb9f193e86d70
SHA15adaa981de0a2528db967b3e6349518a010580b8
SHA2569af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8
SHA5127f55b6241cdaaae05205cd12e5e59db2516d2b27b00e58fdb3929641cb344da4ce40d51ea196d53ca5181b73f3f7f3d8f827decdcf73533d86e512722d3e51d8
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\lib_sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery\DirectoryInfoEx.dll
Filesize224KB
MD5314955d214bb02847e7f8607a16ec550
SHA1c471e2948d0cd1d4a11902a134735f00cd78c0c1
SHA25682fd40348eb630313d5032910d021ebd982fdde086fbe73ba8947a6d2cb40357
SHA5120ea2457db279159c1983455eee50a69305a151c012b9948950d038c101efc08a00da1f456a76a4351770684783c2e01a536ea194bb7f586865865d90d6dbb8de
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C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\lib_sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery\ICSharpCode.SharpZipLib.dll
Filesize196KB
MD5c8164876b6f66616d68387443621510c
SHA17a9df9c25d49690b6a3c451607d311a866b131f4
SHA25640b3d590f95191f3e33e5d00e534fa40f823d9b1bb2a9afe05f139c4e0a3af8d
SHA51244a6accc70c312a16d0e533d3287e380997c5e5d610dbeaa14b2dbb5567f2c41253b895c9817ecd96c85d286795bbe6ab35fd2352fddd9d191669a2fb0774bc4
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C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\lib_sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery\ShellLibrary.dll
Filesize64KB
MD520aa983bd64aa1f8a37d9e61961eabec
SHA148dfd92883f6b60252ab01e57f8de75d21edf173
SHA256ace8dc565164e7612ed3f964a5d16bdcdda0aac7185ba3639b3b7c6064ca1124
SHA51227560fc2983cde678bc3367563c05452004db9dc2523e30ed43ecc413e1ead0eb5d77152f17bd17c58dfe48b2ff7c1c413b6b4da483a664bab3167e74dc3486d