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Analysis
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max time kernel
120s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 19:07
Behavioral task
behavioral1
Sample
4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe
Resource
win10v2004-20240802-en
General
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Target
4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe
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Size
29KB
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MD5
74bb143d2e99cc4f6abb958a3f325630
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SHA1
0d1be95b30dfe4c4102a912205a8606386773b47
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SHA256
4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2
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SHA512
817bdc6633a064b05c64258033cd2703cf1e83571cc735956176c2be8effddc1fcbe0c06d4159cdca1a782774980835fc1e51e1e39cba63943eb30cbbc9c40a5
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/h:AEwVs+0jNDY1qi/qp
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/2748-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2748-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2136 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" 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2748-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2136-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000800000002347a-4.dat upx behavioral2/memory/2748-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2136-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2136-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2748-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2136-57-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe File created C:\Windows\services.exe 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe File opened for modification C:\Windows\java.exe 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.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 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2748 wrote to memory of 2136 2748 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe 84 PID 2748 wrote to memory of 2136 2748 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe 84 PID 2748 wrote to memory of 2136 2748 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe"C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748 -
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:2136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2