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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/12/2024, 20:52
Behavioral task
behavioral1
Sample
811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe
Resource
win10v2004-20241007-en
General
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Target
811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe
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Size
29KB
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MD5
752606122b054243a1cbb16eb78e85a0
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SHA1
a90ef1defba1bf9c133d82240f6737aaf1a6f8ba
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SHA256
811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468
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SHA512
bdfdac6a54e2defa0228b62d52d31fa00a6356fb4c375c69ef0414578528995348f21f4d0804d9363f747d6237ecd0b5864d981564f992d87b3d878960a81ccb
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Yy:AEwVs+0jNDY1qi/qAy
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/1528-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1528-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1528-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4200 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" 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1528-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b71-4.dat upx behavioral2/memory/4200-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1528-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4200-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4200-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1528-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4200-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-65.dat upx behavioral2/memory/1528-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4200-71-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe File opened for modification C:\Windows\java.exe 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe File created C:\Windows\java.exe 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.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 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1528 wrote to memory of 4200 1528 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe 82 PID 1528 wrote to memory of 4200 1528 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe 82 PID 1528 wrote to memory of 4200 1528 811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe"C:\Users\Admin\AppData\Local\Temp\811fbdead1857771dd8c17eba662063dd4d92847911265e74178ed348c6b4468N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1528 -
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:4200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5b4261ffb53ab293f669ca9583fd6d13d
SHA1dfdc2d65b8e464ce91ce0765d2e3960ec4479ec2
SHA256c95c7da5719c15ce81639ce52c94275828cbc643e3cf980cd89d25a03de56bbb
SHA512adbb32b15b16346ae0611aa292b8f3eaaf731d80d5c5a4693463e2a5a22e66146f92a1be2814e651da3804643fce8d198c95d3b825a688e78988bb337693ca72
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Filesize
352B
MD5213e51c2143bd38cec0fd94fcebdd186
SHA10519330a17820adeb5eba7e72c10dbd4a374b7f5
SHA256fb60e133cc055832030335af8f330039a847d8572f868eca0315ea6b8fcd8e6d
SHA5120d3f756f2a9df5ebae8adafc5d5cee3ffacaf3b92df7b10c63d7062eb6831faab13809605472d18aa2ca696cd0814a01ff424f717f863276e812b8a754eb77c8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2