Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 22:15
Behavioral task
behavioral1
Sample
3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe
Resource
win10v2004-20241007-en
General
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Target
3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe
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Size
29KB
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MD5
673ea35455b2cf6936c9f426b031f94b
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SHA1
b8b791c5603ed69e817ab63daa3b1ac150b38f5c
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SHA256
3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e
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SHA512
516acae722fe1af2b9cbd5e9b5f9ed4bf12fa61f96cfb6bbe6e187256395fcc79bbba77f96a46ba456a8ec50807b38d21ab92910264f3a19abbf5df131e13acd
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/lhp:AEwVs+0jNDY1qi/qdT
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2100-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-88-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2468 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" 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2100-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2100-4-0x0000000000230000-0x0000000000238000-memory.dmp upx behavioral1/files/0x0008000000016d66-7.dat upx behavioral1/memory/2468-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2468-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2468-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2468-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2468-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000017021-66.dat upx behavioral1/memory/2100-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2468-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2468-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2468-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-88-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2468-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe File opened for modification C:\Windows\java.exe 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe File created C:\Windows\java.exe 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.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 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2468 2100 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe 30 PID 2100 wrote to memory of 2468 2100 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe 30 PID 2100 wrote to memory of 2468 2100 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe 30 PID 2100 wrote to memory of 2468 2100 3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe"C:\Users\Admin\AppData\Local\Temp\3c4a9399347db288ae6cc5f5d547ec1c4a4f823e851f199d70bb974e1f409f3e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
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:2468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD544ab0e99d49dc65bc45200d457c41c3d
SHA1eb1b08a2d9fcd6bc30b6a281c8a95bb1ae68d081
SHA2562de1502a5883255d097f1bb75e6abb3f4359cbb06ba9cd2ab012fd48b84f8485
SHA512bc78a7a368b7b1a27f80b2735cd31a7f0c994606092a1128161192aeae4ae10c8d4aefbd9d62bfc7e0d606047a15fa4dfd8ec92a195a3c6a7a919ce1221b1bbb
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Filesize
320B
MD5f28cb6b222f3eac914f18dc1d8e3707b
SHA1525d387d699fa6825cf1869db5d207d3223ad162
SHA256809a50a754a8c3b98e8c995235d24edcdc973ab9c4d43c0a04561d06802da61d
SHA512b879666dcb1eede5a4d70e6292d4ee22dc0d816c396fbb72be006d16d96f013808e8c31cfb077cc3b3d06cd28a97e104f9d60233322b592cb77b06cc7e846a21
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2