Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02/01/2025, 11:55
Behavioral task
behavioral1
Sample
ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe
Resource
win10v2004-20241007-en
General
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Target
ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe
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Size
29KB
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MD5
cfa3440519ce71dff68e98325b1848c2
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SHA1
a76e711e4da0026b87dd97b83e5032b6608662d8
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SHA256
ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a
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SHA512
323fc15840ad56fa62873cbe17d2ffa96a4759f0016b0b489f61cfca549b8e047a618d4b9c4ec035dcf04f974a04bda3d9a0976af31323cbeb86f7e2704bf583
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/X:AEwVs+0jNDY1qi/qv
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/2576-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2576-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2576-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2576-133-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2576-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2576-176-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2576-205-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3580 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" ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2576-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000c000000023b70-4.dat upx behavioral2/memory/3580-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2576-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3580-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2576-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3580-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2576-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3580-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-60.dat upx behavioral2/memory/2576-133-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3580-136-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2576-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3580-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3580-175-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2576-176-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3580-177-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2576-205-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3580-206-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe File opened for modification C:\Windows\java.exe ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe File created C:\Windows\java.exe ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.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 ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2576 wrote to memory of 3580 2576 ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe 85 PID 2576 wrote to memory of 3580 2576 ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe 85 PID 2576 wrote to memory of 3580 2576 ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe"C:\Users\Admin\AppData\Local\Temp\ef9b47e23a28bd5603fad5078a82313a4f21c10e9940a79691fb1cebf28fd92a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576 -
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:3580
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
304B
MD5cde2c6ec81201bdd39579745c69d502f
SHA1e025748a7d4361b2803140ed0f0abda1797f5388
SHA256a81000fc443c3c99e0e653cca135e16747e63bccebd5052ed64d7ae6f63f227f
SHA512de5ca6169b2bb42a452ebd2f92c23bad3a98c01845a875336d6affe7f0192c2782b1f66f149019c0b880410c836fc45b2e9157dcccc7ad0d9e5953521a2151d4
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
305B
MD5157431349a057954f4227efc1383ecad
SHA169ccc939e6b36aa1fabb96ad999540a5ab118c48
SHA2568553409a8a3813197c474a95d9ae35630e2a67f8e6f9f33b3f39ef4c78a8bfac
SHA5126405adcfa81b53980f448c489c1d13506d874d839925bffe5826479105cbf5ba194a7bdb93095585441c79c58de42f1dab1138b3d561011dc60f4b66d11e9284
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Filesize
29KB
MD5ea4151d337523627579533547569fac7
SHA1583011ed2dddd736d5f0d260553d7decc2274cc1
SHA256a9534c6ec93950a41e0aac877618cd21107434439545b0baf896901944863988
SHA5124f9a5b9727c11d54802d5b12d50c1e6e1fb7cd2af1dfd70e76558484739e89a7183f16b332d5e1b520caf0e49ca57f2d803b0dc6f22391063612c986308a68e5
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Filesize
320B
MD5986b51e4af4010d7e046685ecd72122f
SHA16df4b1561dc265be8567de3dfa226eb2bff5d94e
SHA2563da822b3ce0fd7c006a28115813c3695447bff0d02166d2abf30e7c07dbe2766
SHA51211cfe8872b6563901cd6e8c56930c45d63f3990351f19482baf7b8bee156c304b92ccc6123f33c8c8f2c629451dba6568f7d8d7356caaf4f5fb14db7bc70b934
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Filesize
320B
MD5339943ddd29263da7dee929f59ddf5af
SHA15b7b80fdb1d82edd3502a4d644a367e3fd67f7a3
SHA25665d2eea3b62603324d250add8d96008d720ba3682995466b5039a741e625060f
SHA5123b5f4c32d8aac6e22a713e7f7cfc5a9cb89d9de97d59b0cb42470e2464e1eaa9d5514556f9203e8c7356d468ad3f8d49cc6ac094955d5f6e98f896628f17ce4e
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Filesize
320B
MD5cf8eaf4269e2955c19cafba4de8369bc
SHA1d4bbc5360d7b1d95c72ed2cf982404e1f5c8e24d
SHA25666b62e2d4c470e087ae98b3f3011c3f94ab07390700634e168822ddbba6d0de4
SHA512c2a39c3473fa5615e9410992ada3737439ad6a96980fbb73c3f2a35a524aa5810d8ad3d94af823f18b3f72d2fe352ed3344c7b543176f3eec963f42a8ecc8f0e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2