Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 01:48
Behavioral task
behavioral1
Sample
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe
Resource
win10v2004-20241007-en
General
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Target
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe
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Size
29KB
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MD5
1d98d81b68d72bee7e29ea22677c4946
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SHA1
c229c98bceb3a3b15268d23d8bdf319c5cc17a8e
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SHA256
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8
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SHA512
2fc456e77ba638102fab0ac8792ce4df7ca5d0c524388c5882ba466ad0601bafd885393b3345f891f92dd761c9ed7ced18f934a022be355a64270fb2a856572d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6:AEwVs+0jNDY1qi/qS
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2472-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2472-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2472-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2472-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2472-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2472-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2324 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" a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2472-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2472-4-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/files/0x000800000001878c-10.dat upx behavioral1/memory/2324-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2324-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2324-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-61-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-72.dat upx behavioral1/memory/2324-80-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2324-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2324-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-86-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe File opened for modification C:\Windows\java.exe a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe File created C:\Windows\java.exe a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.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 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2472 wrote to memory of 2324 2472 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe 30 PID 2472 wrote to memory of 2324 2472 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe 30 PID 2472 wrote to memory of 2324 2472 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe 30 PID 2472 wrote to memory of 2324 2472 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe"C:\Users\Admin\AppData\Local\Temp\a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472 -
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:2324
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5b858824a1312e4ccc03f822f120d6f54
SHA11d314dd70f29ea957a8bdf18b5ea08e9cdb476cb
SHA256d023288d8bdc9598ceb9269305b72576524922ae130e52774737e44ba07361ba
SHA5126c0e23460cede0da0e090b5fcf1cd0a373578e0d9d215fbf390a5f9e770eac3189bb0ff0b30963bc1b1b5ad32da81e88df7b2990b49ab08a058ba4ccd4a728ce
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Filesize
320B
MD5b720bad8059449674f7eceba4325caf7
SHA1baa3849259e840efc58f6d0ee678f2182f33e0d9
SHA25671041691d91636b34a6277c8008c070860d380e141a61ce1b04a1cdc10a2a2a8
SHA51217791828e9dfbddf2da81e352416549a6afc4abeb1ef1d0820f8e0b32272229124919a35a2feb4d36e3f314c2a23acb3da4203e50c708e8519dafc068c660604
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2