Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-11-2024 02:50
Behavioral task
behavioral1
Sample
f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe
Resource
win10v2004-20241007-en
General
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Target
f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe
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Size
29KB
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MD5
a640015cb23ad329495e2fffcb1d67a0
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SHA1
f32c662bbbb1f8223e8249d58c18495734179824
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SHA256
f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938c
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SHA512
f4d1a0bd217703a6d30c3d4170c4d71362eaa673b273fd9700e66d563c2bdd54bf3e2898c418cdcc114142c6578d82672ebf5391dd91b9c4ed61a62a3c4a6ee0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Y:AEwVs+0jNDY1qi/qg
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2568-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2568-45-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2568-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2568-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2568-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2376 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" f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe -
resource yara_rule behavioral1/memory/2568-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00090000000162e4-8.dat upx behavioral1/memory/2568-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2568-45-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-64.dat upx behavioral1/memory/2568-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2568-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2568-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-82-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe File opened for modification C:\Windows\java.exe f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe File created C:\Windows\java.exe f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.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 f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2568 wrote to memory of 2376 2568 f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe 30 PID 2568 wrote to memory of 2376 2568 f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe 30 PID 2568 wrote to memory of 2376 2568 f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe 30 PID 2568 wrote to memory of 2376 2568 f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe"C:\Users\Admin\AppData\Local\Temp\f157c773e8bfc43ae44ce9cc78582d016a4d6b8cb1faba850c33667de53d938cN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568 -
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:2376
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD53ddcccc63c4789978c44d8e69a4507f9
SHA1b5f3ec736231fea9533833f215cab4e8bad2d38e
SHA256bcaaa7aa82fc52d5ac48d11f7833d8c1684da12cfcbac2374b5521e8f29b527c
SHA5120bbd2cf140ff822d43e69779a509b0d305d9de3b518f97ffbf7b9340b0611f065be045d1be047ed0adb2467f806e10864d667511a81af47823b5ea502170fc46
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Filesize
288B
MD5e734bb68db127dbbdca36fcdb889b5ca
SHA1fdad5f1527fe68e62e1f2e9b85b507d7466e93a9
SHA256f25ea56088124a0e2ba98f0b8fce9e60be89cb94b40a07f73ed6477801658f37
SHA512d1d70615eb939cc656c4c68a866e00f5101c6d964016a9d647a8ec1b2699b786b131af6fe34a7fe6ba1d0a33ad6b39d406064ca702bacf15153204d828779c47
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2