Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-01-2025 11:14
Behavioral task
behavioral1
Sample
0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe
Resource
win10v2004-20241007-en
General
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Target
0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe
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Size
29KB
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MD5
d9db6c1c0059c82b3a7d5e93d30eabe8
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SHA1
f39a9be313ece6a62dddaed055dbfcf6ddc22a55
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SHA256
0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72
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SHA512
c6c71dcf9fb889233e70a9a4841c6a535cd5bf068f834d49af90b648630c0f188d1fdb36be337e2784799298f9f6daf4470fba8b10d0a005e594c856e3d84f0a
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Mh1:AEwVs+0jNDY1qi/qEP
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/1276-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1276-9-0x0000000000220000-0x0000000000228000-memory.dmp family_mydoom behavioral1/memory/1276-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1276-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2380 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" 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1276-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1276-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/1276-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016fdf-10.dat upx behavioral1/memory/2380-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1276-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2380-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1276-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2380-61-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe File opened for modification C:\Windows\java.exe 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe File created C:\Windows\java.exe 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.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 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1276 wrote to memory of 2380 1276 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe 30 PID 1276 wrote to memory of 2380 1276 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe 30 PID 1276 wrote to memory of 2380 1276 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe 30 PID 1276 wrote to memory of 2380 1276 0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe"C:\Users\Admin\AppData\Local\Temp\0f3be9ed52f129dc626a59693026c95926b4035ae2ba795e8d175286e571ff72.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1276 -
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:2380
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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