Analysis
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max time kernel
120s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 05:14
Behavioral task
behavioral1
Sample
c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe
Resource
win10v2004-20241007-en
General
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Target
c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe
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Size
29KB
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MD5
9670af3c1d265a93ae2bd480fad03c30
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SHA1
71ee1ec8448bd1a7c15581448e393c76f8027977
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SHA256
c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268
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SHA512
3f66ae114745027b8f9fec7148d437863cde73a942271b3817e5b1af775de12d50d205ad60194cad090b82ffd9c60e957e3f8226689c77ad3b37b9354203cc86
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/O:AEwVs+0jNDY1qi/qW
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4800-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4800-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4800-115-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4800-162-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4800-164-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4800-169-0x0000000000500000-0x0000000000510200-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\JavaVM = "C:\\Windows\\java.exe" c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4800-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c93-4.dat upx behavioral2/memory/2376-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4800-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2376-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2376-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2376-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2376-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2376-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2376-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2376-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4800-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2376-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021ea9-53.dat upx behavioral2/memory/4800-115-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2376-116-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4800-162-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2376-163-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4800-164-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2376-165-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4800-169-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2376-170-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe File opened for modification C:\Windows\java.exe c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe File created C:\Windows\java.exe c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.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 c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4800 wrote to memory of 2376 4800 c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe 85 PID 4800 wrote to memory of 2376 4800 c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe 85 PID 4800 wrote to memory of 2376 4800 c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe"C:\Users\Admin\AppData\Local\Temp\c137a59bd7a9950b7b0c9fdc5a5b94e1c06d665cf24c866267f6364ffef08268N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4800 -
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
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD53dce2dcc800326fc789dc1c3881eaec9
SHA1d729568db6b22ef06f580769e45c87fc77d0ece9
SHA256e24201442498b5fe98de633b54dba1defa6b1dbf183e6573a2647e8286d4367a
SHA512a156acd4b32d2e857172826009052b4cb81b4153966d7f176d98487254e3952f5717f3a3acfad337f52a6a69799b96f6faa0cbb70c0e04234478a17d99161e62
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Filesize
320B
MD516df119532e9011c31bb0841a6e7e534
SHA1febd4c970bc55cdfcf80d15b7548e3589da989eb
SHA25695068a6868f487a877cda96774ac541e622c6ebf4d065007f47d230e96c18ebb
SHA51252cc747325731031897c7b57018d6564b577e926fbee5bb0b531af0208ca6bde91ce6bf0737bfe0b297d15a914a396ddc2d1af9cdf1d9716f34265f74d3c1a7b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2