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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/01/2025, 07:59
Behavioral task
behavioral1
Sample
b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe
Resource
win10v2004-20241007-en
General
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Target
b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe
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Size
29KB
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MD5
ca41380fc5600f70218c4e2c5052abc9
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SHA1
2653e606f1d95dccd207e2bdbd8b3f2cd2fb8329
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SHA256
b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208
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SHA512
6d68d8ef9b96c31c083174703747c665ef05c53bcf7aa875215b1b4e5709e0ebacf663766c38ed05d0dd847e56a22b82f21059bcb382e4830c47fbccb242f29f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/RQ:AEwVs+0jNDY1qi/qC
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2756-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2756-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2756-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2756-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2756-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2756-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2792 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" b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2756-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2756-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000015d7e-7.dat upx behavioral1/memory/2792-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2792-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2792-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2792-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000013d08-65.dat upx behavioral1/memory/2756-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2792-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2792-75-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe File opened for modification C:\Windows\java.exe b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe File created C:\Windows\java.exe b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2756 wrote to memory of 2792 2756 b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe 30 PID 2756 wrote to memory of 2792 2756 b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe 30 PID 2756 wrote to memory of 2792 2756 b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe 30 PID 2756 wrote to memory of 2792 2756 b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe"C:\Users\Admin\AppData\Local\Temp\b78e566bbb90b1d3bf8da73a8eff49fdb4594bfdb4d71c4c62f7f5550c065208.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756 -
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:2792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD54856719c3a2922a87eac846d7043da47
SHA1a8675be9f9a20656e316040bf63960b870fd9cef
SHA256d7d8cf814afd4ea61c17b7f4199013b070150112672844e4c71788ec0bbdd4a8
SHA5125e341e872d6fecc2ca4c0296b89d5f7b515b66999cd8883828b1696e9d30de95ba0652261093715feeaeb1a70e1c579763fa78d507a3a5786cb577e0d84e5f36
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Filesize
352B
MD525ea364c37bfa9503f14e85f1bf547b4
SHA19c1aa97957bb213d25f4969edae71e137dcdce5a
SHA2562cd72893a100926126a824e9985043c3d29ccd0b010a729da8d930ea3947474a
SHA5126e43e477b4a8ddfdc9305121ddd1e1785aec964173d7cfd34bfcfc5972aadf37014ee8023750c6f80d6beb4431d47d1c9bd1c1037fd4082e42e83cad332010ef
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2