Analysis
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max time kernel
120s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 04:11
Behavioral task
behavioral1
Sample
ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe
Resource
win10v2004-20241007-en
General
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Target
ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe
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Size
29KB
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MD5
61ebf96182ec63ab4fef84b570c2bef0
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SHA1
0251dd277392ac53c61e73469b605428a074c968
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SHA256
ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001
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SHA512
f81e237ffaa70229a570c4add3971868b26b35852fe47758c7f9be20fad6bf4205c6e142cbfb902d57da4afaba536b1ac58143428082fa707df8f2b8ec6d9df3
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/j:AEwVs+0jNDY1qi/qL
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2192-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2192-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2192-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2192-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2192-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2192-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2724 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" ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2192-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016c89-8.dat upx behavioral1/memory/2724-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2192-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2192-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2724-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2724-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2724-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2724-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2724-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2724-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2192-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2724-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0031000000016689-54.dat upx behavioral1/memory/2192-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2724-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2192-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2724-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2192-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2724-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2724-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2192-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2724-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe File opened for modification C:\Windows\java.exe ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe File created C:\Windows\java.exe ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.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 ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2192 wrote to memory of 2724 2192 ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe 30 PID 2192 wrote to memory of 2724 2192 ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe 30 PID 2192 wrote to memory of 2724 2192 ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe 30 PID 2192 wrote to memory of 2724 2192 ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe"C:\Users\Admin\AppData\Local\Temp\ef05f89d3d5b92a270efe2f99dc9013ffb3b6e567a430ab2447cf54eda9be001N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192 -
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:2724
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD56b1b4ce605dca1c7ab058e5c234dd632
SHA1a67dbff1c5c2c75bd0baef08f4cb4d2382d7274b
SHA256b3737840ff154c0fbb18a47c0cd82fe4ae12344419544b4cab5af5343509df9c
SHA512c6f5c40899494703d750142d6c004d79b2b40849463f1ebde5cd45d029fd5daa3bf363dcc202467c5b0d7a1502165d55def805004ffaa547e622578d73e0ef3c
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Filesize
320B
MD5337401bcf8789c437094a35d0c117523
SHA1441655286f184436414579695a32aa3749fea89e
SHA2568f6a68c66fc39dfcc2664bafef9ea96b32d99735ea9b859d44aced2133d394d1
SHA51221e75ad93060acdd5e769d35b237bbe7339b6b2831228bcee05d90f89276e69c3f94e6bb5495c491b312f8c749dc6c5913858fa4cdfde17854fdc4ad17136a9a
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2