Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-11-2024 02:09
Behavioral task
behavioral1
Sample
6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe
Resource
win10v2004-20241007-en
General
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Target
6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe
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Size
28KB
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MD5
ca91f6768ca4024dd0e08a3078d3a920
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SHA1
178fe04ad2669eacb6b5fbb107808fd76fa9048c
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SHA256
6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4f
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SHA512
0a2f64b0afedaf1affb51c07e0061b400c821776bef9cbc6ccf229972fc60431224c0e93a7680937a1478497acba87d0ca8db24cf63c7855ae2c8c2758135fd4
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNk:Dv8IRRdsxq1DjJcqfb
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/1848-2-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1848-17-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1848-18-0x0000000000400000-0x0000000000408000-memory.dmp family_mydoom behavioral1/memory/1848-50-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1848-74-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1848-76-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1848-81-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2084 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" 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1848-2-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x000800000001662e-8.dat upx behavioral1/memory/2084-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1848-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2084-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1848-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1848-50-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2084-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000013d08-61.dat upx behavioral1/memory/2084-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1848-74-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1848-76-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2084-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1848-81-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2084-82-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe File opened for modification C:\Windows\java.exe 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe File created C:\Windows\java.exe 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.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 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1848 wrote to memory of 2084 1848 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe 30 PID 1848 wrote to memory of 2084 1848 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe 30 PID 1848 wrote to memory of 2084 1848 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe 30 PID 1848 wrote to memory of 2084 1848 6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe"C:\Users\Admin\AppData\Local\Temp\6f87e8073d666df3cefb36bc68cccec0f8f29d4d6cbffa3942a598ab52ee8d4fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848 -
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:2084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5940444af8a0bd10c5cd4c45f01e0b878
SHA1d7dec7752105adb6696f907b3b0e722b2668231b
SHA2564da141d7cf4c241ed6b7940a848fa609de931de45a8f5eda65ebde9bd7381972
SHA5127e49351bda366a591de29dc2438bbecd380c2c6e47add62527d2f528ce9ad260bd4ba8cad7db61ea92f7566607bdaae5ec6fb038e57024a5adb14317589178a5
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Filesize
1KB
MD54264dc706c41f7db265d585ead81deb1
SHA15dd13ddb7b44c4188b0c4d3db9b55ba6961f36d9
SHA256e5e6584478bfb250fabb062ebc6566d53fb8bf061a3e306bc82b4e7d1edf6acf
SHA512f5e8ed2d7b1ff9dffa7219fc446d67dfe527a55d99a22c6103a27eed506b5435f51bfff58a1dcda84b04977349129ed21143d8d700e396169da08a8d6528d895
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2