Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 23:52
Behavioral task
behavioral1
Sample
bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe
Resource
win10v2004-20241007-en
General
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Target
bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe
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Size
29KB
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MD5
cafedb8be2ac78baaff4934dc18d1d10
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SHA1
eb8628053065ddc402859a71651487cb7c1f2af8
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SHA256
bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926
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SHA512
4bbd0ed943218ab9aca8e3679c8763eaac9c70d8b4ae34f95f1b4a47b294f44c1dc2e49ccc633c6555c86c0ec04d4df43a8ded80ac30b8578edee4bcaf298410
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ahp:AEwVs+0jNDY1qi/qyT
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2324-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2348 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" bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2324-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2324-3-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/files/0x0008000000016875-7.dat upx behavioral1/memory/2348-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-64.dat upx behavioral1/memory/2324-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-74-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe File opened for modification C:\Windows\java.exe bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe File created C:\Windows\java.exe bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.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 bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2324 wrote to memory of 2348 2324 bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe 30 PID 2324 wrote to memory of 2348 2324 bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe 30 PID 2324 wrote to memory of 2348 2324 bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe 30 PID 2324 wrote to memory of 2348 2324 bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe"C:\Users\Admin\AppData\Local\Temp\bbf2a89394646f64a79e72ea061fac60c2842488bfcdb462632557f189acd926N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324 -
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:2348
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD577282cfe41e937171877a83a6e640e24
SHA11d9addce0d491041c254e3e9c815aa69a9961c60
SHA256794372579f93867d450a3343b554ca31ba9e933dc594d4bb21fc5010dd61cbb0
SHA512ee6a39e518613315885b8c88ff45d76e69bb4e506c352f07a23cfcfcedb2ac6234a9a109c9df983165e97fe5cc71e07da004fee8a801a7c0b58cf4ff52560d4c
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Filesize
320B
MD5890243d7303a4ffbadeefa5a55bcad4e
SHA14cf2b210c5312d6a73ebb93ceba46170abe3826a
SHA2569e163f034e79f74723b049053080ea0284e41f501b9948e388c8ba8ffabb964b
SHA512fc1195b32ffb5ba1033fc47127a4576571dfe7d64feb7ddd7818d6d38fdf2d1fd661c84c120f4dc833905b8c4871cb932fc095c22f51dd81c68379e17db42200
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Filesize
320B
MD5e5c82c62e28b612fd92c3e4411ea713f
SHA17a353c71d30c7ac492155be687e16382bd1adbd6
SHA2561fe2aba122c36483514b69ffe3b95f8fd953c323d238710f72416e48e2a6cee0
SHA512c88f751375f0ac8bbda796cf46e627d5954dcea1af6bdb024e02bc200f17bf48c61d444ee7c28071182f62a80a5932d12d52c371e2158415ae95d2bf2ad76252
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2