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 22:37
Behavioral task
behavioral1
Sample
4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe
Resource
win10v2004-20241007-en
General
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Target
4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe
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Size
29KB
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MD5
70dcffebdc81edd1a2fedb29d5431eb4
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SHA1
6d30b2cca8623929fcb0a067eb5e9c2198730014
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SHA256
4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f
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SHA512
4f37af7f168a4002e2d5e9cab0009220f352f82fbd401d11bb413a554f57b048c2095ccd1946dc73cc1a47228d30e8ef0eefd769aee288e44a2af0c0f0dddaf1
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/PhY:AEwVs+0jNDY1qi/qXi
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/228-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/228-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/228-110-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/228-171-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/228-173-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4816 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" 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/228-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023cba-4.dat upx behavioral2/memory/4816-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/228-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4816-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/228-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4816-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000705-60.dat upx behavioral2/memory/228-110-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4816-127-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/228-171-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4816-172-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/228-173-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4816-174-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4816-178-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe File opened for modification C:\Windows\java.exe 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe File created C:\Windows\java.exe 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.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 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 228 wrote to memory of 4816 228 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe 82 PID 228 wrote to memory of 4816 228 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe 82 PID 228 wrote to memory of 4816 228 4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe"C:\Users\Admin\AppData\Local\Temp\4b42c48f58095de311016acc730d6daed25baf296e7dc9415a0e384133285a0f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:228 -
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:4816
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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
MD5df012ca10b4916168c583b4625861ae5
SHA19693fa90579094fab20e075df89fc2f65d7230c7
SHA256ae39697f3d2764393fc9bf0b87c44a626e56bceb107eb6692beb859c14ebe42b
SHA512bcc5ca94fcd9b8fac893853b34ccb252fdb7653499506bf9a340db03d3dee7b07ed4c87451bf113f01d9a7bd8ff0cb45820e17a5105be64177be01f42764793c
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Filesize
320B
MD5f8de5f73e8dfdddc1654c8278423c186
SHA14f16eab6ab9f6ebdda7ec721ca3df1819929ab07
SHA25662f632b81874744f84fbc527b0c816baf7e5d85538f5d50af99c9d3854f58d1c
SHA51290d0d0212f0f3f069dc939f7d5156748df97b0ed0738bb310d6e5f65901239f39c70ce7056936d523f000808432dfc9dce5cc2383988ddcd3d865b51cba9df4a
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Filesize
320B
MD5ed612a75394e019461079d47b3e88fa0
SHA1977858e569936ba0111fb72fb2b742b78f8b7fbc
SHA2564aa27651559be33cc036b503cb8d59daebfb2a4f2f832d979614e8cb22c83ca5
SHA512bf1085890f30d5ce9565d37d6425fe2b3a5406fd3e7c842fc7117e81d191742e9a1a493cb36f66b8bf851084d1ef170226829fd5edeb85beca620b390e9cc2f2
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2