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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
11/10/2024, 20:40
Behavioral task
behavioral1
Sample
39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe
Resource
win10v2004-20241007-en
General
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Target
39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe
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Size
41KB
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MD5
46c6a7c70fc0082dc071fb82ae7299fa
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SHA1
0ec6a66f6e939820357b7ec197e7c31455ebe239
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SHA256
39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c
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SHA512
451a23c31397b9085081678c7eb4514a273f00144a00e265bf4bbc7fd944da91176b3f3542723abc726c14752a09b433a0df1b6c60afc3fef6eb5800763ee726
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2660-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2660-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2660-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2660-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2660-88-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2700 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" 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2660-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2660-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0006000000019246-9.dat upx behavioral1/memory/2700-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2660-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2700-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2700-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2660-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2700-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0032000000018bf3-74.dat upx behavioral1/memory/2660-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2700-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2660-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2700-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2660-88-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2700-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe File opened for modification C:\Windows\java.exe 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe File created C:\Windows\java.exe 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.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 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2660 wrote to memory of 2700 2660 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe 30 PID 2660 wrote to memory of 2700 2660 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe 30 PID 2660 wrote to memory of 2700 2660 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe 30 PID 2660 wrote to memory of 2700 2660 39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe"C:\Users\Admin\AppData\Local\Temp\39aa4ff57edc5e8833dbeca55399f95b1e8822c710795dd53219df7bbe4cb38c.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660 -
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:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
41KB
MD5ef50a59a52ecc898692e98efa84747b0
SHA18cae5a29d4a64a5765e6f2ce330fe57cf43f9061
SHA25609f79d36d87c7cb7223f781b07d7dffcd3922e02fd547d0e1b57ef2750211221
SHA512d54d3fab09db63052e0c8de541e2e78a9d8b7bb3372a5501cfb5c6859f99d7ea29419dfb4e6595c3ac11f54d9f34f80be6ea25435cf1448b5bc77a27064f009d
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Filesize
192B
MD513f4c3c869f3d4a0eef68e8e229f93d3
SHA1bc4aa841989414bf978e83f8245c79e1851f1189
SHA256954618a7d257e26d1f74c8b5f3c3da22e975dcbb2cd18c14e4c44bb09817bd61
SHA51206f6e838f4fdd867eb2c4f79f58d0f76d9a7ec6d963832d843bf10f0943fe661f475202e74f99b70f0931bbe0d86a334df1047be0b237478840007922cf849bb
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2