Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 04:03
Behavioral task
behavioral1
Sample
29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe
Resource
win10v2004-20241007-en
General
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Target
29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe
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Size
29KB
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MD5
abc7d926857ba28faae8d70d6772dba0
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SHA1
c92fc25fdda34c35860af237a3c0d7898a6f06c5
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SHA256
29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8
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SHA512
6e65010a73c51541752493d7de650f572cff8d26d4cbf6cf4bdb4f06f2e59f6cd80671da5e9b62a9d9637633864012145670fe3d0195a09a31499799e3a993fd
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/JK:AEwVs+0jNDY1qi/q0
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2876-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2876-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2704 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" 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2876-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2876-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016d63-9.dat upx behavioral1/memory/2704-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2876-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2704-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2704-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2876-60-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe File created C:\Windows\services.exe 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe File opened for modification C:\Windows\java.exe 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.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 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2876 wrote to memory of 2704 2876 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe 30 PID 2876 wrote to memory of 2704 2876 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe 30 PID 2876 wrote to memory of 2704 2876 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe 30 PID 2876 wrote to memory of 2704 2876 29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe"C:\Users\Admin\AppData\Local\Temp\29e9c3a6cbf0ec70e0d1abeb8050e801445aa248bf0e521f2b25a8f5ce876db8N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876 -
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:2704
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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