Analysis
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max time kernel
18s -
max time network
26s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 03:29
Behavioral task
behavioral1
Sample
4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe
Resource
win10v2004-20241007-en
General
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Target
4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe
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Size
29KB
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MD5
9c01845e7213b78366608d7e05d684e1
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SHA1
140e12d802b6c6893b8bf05825f9143309c7e426
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SHA256
4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522
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SHA512
870288314113dfcb0d67950231b1ea090556fb0a9d0dcdb105ca378102a9fd6280d15cb29fa47991265bc9653b3cbfb07b3571452b1999587392562a25f394eb
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/N:AEwVs+0jNDY1qi/ql
Malware Config
Signatures
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Detects MyDoom family 1 IoCs
resource yara_rule behavioral2/memory/4496-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3516 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4496-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c9c-4.dat upx behavioral2/memory/3516-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4496-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3516-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3516-16-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe File opened for modification C:\Windows\java.exe 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe File created C:\Windows\java.exe 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe -
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 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4496 wrote to memory of 3516 4496 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe 82 PID 4496 wrote to memory of 3516 4496 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe 82 PID 4496 wrote to memory of 3516 4496 4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe"C:\Users\Admin\AppData\Local\Temp\4549cb6030892b3b17ce2e87517bd4fa6b3d9a5f86728cb40b590a08bfbd1522.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2