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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10/01/2025, 22:33
Behavioral task
behavioral1
Sample
46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe
Resource
win10v2004-20241007-en
General
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Target
46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe
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Size
29KB
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MD5
39d62b3c55d8991aef0ecd972a1549f0
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SHA1
59f8e1e67e97c325f528092f39174581ba2fdd85
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SHA256
46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331b
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SHA512
c3a22c450ae8b8d9f6b95e5e154542fa250d5fa2247cf778d3c993552466fb1af509b8dcedb0eb2e7f40962baae783f7c1359c425e37b3a3b23f3de3d1f08db5
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/bh3:AEwVs+0jNDY1qi/qzV
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/1752-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2112 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" 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1752-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1752-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000700000001867d-9.dat upx behavioral1/memory/2112-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2112-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2112-61-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe File opened for modification C:\Windows\java.exe 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe File created C:\Windows\java.exe 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.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 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1752 wrote to memory of 2112 1752 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe 30 PID 1752 wrote to memory of 2112 1752 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe 30 PID 1752 wrote to memory of 2112 1752 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe 30 PID 1752 wrote to memory of 2112 1752 46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe"C:\Users\Admin\AppData\Local\Temp\46948fa0341e0982037030e0a2a1879b3eade9cb4d1d951fac38b96b87ef331bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752 -
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:2112
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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