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
19-12-2024 05:04
Behavioral task
behavioral1
Sample
7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
Resource
win10v2004-20241007-en
General
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Target
7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
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Size
29KB
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MD5
3a6060e3a86fa2483c7c451d1d877430
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SHA1
8103fc7fcfd11671970dd048fd6b48d94149ad1f
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SHA256
7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04d
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SHA512
4e933765640ed8191a3895ade2b62babf77f20e2e9315cf456cad1c5e939c1c251d2b35fa3085a802a9adbdaaf15b9ae0007bcc73fbeb95b16acb8ddcbc51706
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Nh+:AEwVs+0jNDY1qi/qVQ
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/1420-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1420-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1420-80-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2744 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" 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1420-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1420-3-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000019441-7.dat upx behavioral1/memory/2744-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1420-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2744-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1420-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2744-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2744-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00380000000193e1-69.dat upx behavioral1/memory/1420-80-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2744-81-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe File opened for modification C:\Windows\java.exe 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe File created C:\Windows\java.exe 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.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 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1420 wrote to memory of 2744 1420 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe 30 PID 1420 wrote to memory of 2744 1420 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe 30 PID 1420 wrote to memory of 2744 1420 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe 30 PID 1420 wrote to memory of 2744 1420 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe"C:\Users\Admin\AppData\Local\Temp\7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420 -
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:2744
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD527b7fb6a0a77b54d4ebf91a846e0ff88
SHA14063a9b8ffc4ccdb8e64ad763574fe9483c277c8
SHA2563516a55e2343c7ed3bc7be5011ec23505f9b9027e966e7e5f322ef3d2a9088c2
SHA512f66b1798c70f14943a9aa36f106f35bc4cd91ed529d1cb44244239f6f43cacd740fd45d042c449bf3ea9b0c0506a07fbe3e6b6d063e5697f20ad2527899a7396
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Filesize
320B
MD527fe53b955e01e0bb627b3f4661d2b79
SHA1775ab7f8dd7c068a0db08939b2c917bb48755ed8
SHA2563f7cce4f06cea453da8bd07ef659db9c23bdf9e215d09681d1f8cde17061687a
SHA51262206bc552a06640a24d39bc24f4b9f0d841913b1987aaeade92b4488f05bf700ebb5b140362e99c28fb22925e91a3ba61c577660154584a1d6bc264e961a6b8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2