Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 14:10
Behavioral task
behavioral1
Sample
8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe
Resource
win10v2004-20241007-en
General
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Target
8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe
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Size
29KB
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MD5
0572f61898004105ec39694af0869124
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SHA1
c5f1474fb3d801cdf7e59dc9ceea44a6779ccfdf
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SHA256
8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea
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SHA512
7697ab91764990b433802f5cc51756b05526e9211f6d0640080f556a481c98728d1177998e5686efe0134c69ec23567e25a9ef4c647a108ed2a4e787ecf92194
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/yp:AEwVs+0jNDY1qi/qKp
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2184-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-41-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2780 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" 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2184-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2184-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2780-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000700000001956c-9.dat upx behavioral1/memory/2184-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2780-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2184-41-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2780-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00340000000194e9-52.dat upx behavioral1/memory/2184-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2780-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2184-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2780-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2184-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2780-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-80-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2184-79-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe File opened for modification C:\Windows\java.exe 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe File created C:\Windows\java.exe 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.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 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2780 2184 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe 30 PID 2184 wrote to memory of 2780 2184 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe 30 PID 2184 wrote to memory of 2780 2184 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe 30 PID 2184 wrote to memory of 2780 2184 8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe"C:\Users\Admin\AppData\Local\Temp\8a338da831f73f1451fb6e426e33af5907fa8f79b0878a6c2644a14da87374ea.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
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:2780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5a7dd6d66995166be13a3ff24db6b3468
SHA1e0d7e5a90c6bdc06eae2e0018ad9f7f0189cbf7e
SHA25690b7f7c21d3f5c72534e7bd364d3e5dc4baf9d8e428b773f2553d76b770bccf9
SHA5128e76b5977e2dbf8f3f8e49f2abe2f9984c42c92a0de228e613c73f901a79278656e1885180e2f3e853ce883dea08fc2251dfbabd2a27d91c1b23488f2c054a7b
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Filesize
352B
MD58797a95d57238098926df915e591cca8
SHA162c5825fde3f4db625ca9d1fbc71ef1af08eca31
SHA2560f0b994a585b0fdf98b9eff6651b8f56560908bb65d175c441b408c4f7bb0be5
SHA512b33139454d28c1aa12933dc5d8d4ffe289148d4994e0caaf69edf9d3b31c2067b727c3b2588434af5d82bf7155879bccdc3aead9cd3632c4cdb562defef1774d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2