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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
07/01/2025, 20:06
Behavioral task
behavioral1
Sample
2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe
Resource
win10v2004-20241007-en
General
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Target
2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe
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Size
28KB
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MD5
6d574d29d2d1fb5df599741287c3a400
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SHA1
d6209c694c133eaa445c28420bc6b1a51b268772
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SHA256
2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8
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SHA512
5a30286280010d278e5b16ff502fb42a4102d0509ef31e76258e8003ef40a09149c277acfdb3c1e912d74a06622db4be6586bfc62ec2f6bc2138b6736e858677
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNKP/9j:Dv8IRRdsxq1DjJcqfhH9j
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2624-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2624-31-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2624-36-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2624-60-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2624-62-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2624-67-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2624-74-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1704 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe -
resource yara_rule behavioral1/memory/2624-2-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2624-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0009000000015d2a-7.dat upx behavioral1/memory/2624-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1704-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1704-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1704-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1704-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2624-31-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1704-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2624-36-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1704-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-47.dat upx behavioral1/memory/2624-60-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1704-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2624-62-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1704-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2624-67-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1704-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1704-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2624-74-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1704-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1704-80-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe File opened for modification C:\Windows\java.exe 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe File created C:\Windows\java.exe 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.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 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2624 wrote to memory of 1704 2624 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe 30 PID 2624 wrote to memory of 1704 2624 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe 30 PID 2624 wrote to memory of 1704 2624 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe 30 PID 2624 wrote to memory of 1704 2624 2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe"C:\Users\Admin\AppData\Local\Temp\2e3f578bbb4d534b28cb4d755820de0c04733b183473f575f3d5f0d883ffa0a8N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624 -
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:1704
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD59402af26e76608026c85d1e088e2b760
SHA1321866578a06bccc069dcc17819f95f9a2dfce52
SHA256004ff66c7ce14d957b7bf2710bb50c3c72646117b256c8d67031baa5d0e001cd
SHA512a527e9afb81f56688c2d9f78d4148f13b0de6838acac9e76ec951da421c7fbf11ced997e1577775ec848c28b1b1d1f11a728a4fd6e6255f95a2573b1c2a6e536
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Filesize
1KB
MD5a8973f49d888c907fd6ae398e2a15b1c
SHA1f948842046d4dbbdf957748a564870972fd563e1
SHA2563c6aabb63eef37d9983b47c33d00fa05c7417fe5c5b2f178176ecc59ef020c05
SHA5127606fec4304a9b1dee9c21763bd5c2d6bfbc88b70b89172f514815554c1e9e72394b270af152d78fd8f8af40a747ea71c9b531655ac8d1d00b5640d95fb61a1a
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Filesize
1KB
MD5e4c3810d229e74f01fc3c34b395a6901
SHA1ad65385e3a3d7d6f463e1fec6d0de4c61ec29dee
SHA2564bd1a1e67c6b91ba578a1b6556d1babaf5da6eb869d0e8f241d54e1858afa2ce
SHA5127d33ae337c5ac23d88467e26375e139b8a89608d2144b21a7545e525280776ea8c2c3bb1366216b5a729d4f5595208a35a3f2fb4ab11b81e62a1e21776e52fb8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2