Analysis
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max time kernel
120s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2024 00:18
Behavioral task
behavioral1
Sample
65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe
Resource
win10v2004-20241007-en
General
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Target
65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe
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Size
29KB
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MD5
4666343e94fc2c581be660269b9a6b80
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SHA1
a5c23955ab413d3993f8afdf9215af19e889b324
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SHA256
65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46
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SHA512
d8e877d8460e60baf56c183aeab52c724c1abf4d5f6e1cb1a8697a7d24a0bd74606da6d68729670647cf8b8ad392e4bf4bc60654fa783cf9bb883c4ab7ae611c
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/O:AEwVs+0jNDY1qi/qW
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/3764-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3764-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1356 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" 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3764-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b7b-4.dat upx behavioral2/memory/1356-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3764-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1356-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1356-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3764-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1356-57-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe File opened for modification C:\Windows\java.exe 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe File created C:\Windows\java.exe 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.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 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3764 wrote to memory of 1356 3764 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe 83 PID 3764 wrote to memory of 1356 3764 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe 83 PID 3764 wrote to memory of 1356 3764 65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe"C:\Users\Admin\AppData\Local\Temp\65dc5e8721d7d58514db0074e307ff962d1512e8aa673a0b4f868dc98770dc46N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3764 -
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:1356
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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