Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 23:44
Behavioral task
behavioral1
Sample
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe
Resource
win10v2004-20241007-en
General
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Target
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe
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Size
29KB
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MD5
58a01cd7298b2e1d8411be29ad7732aa
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SHA1
3a8ac73384325eeb2b46cd0a3a8e9bc952269905
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SHA256
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9
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SHA512
9107e8edda1520e4c299c547ced99fac61a0f216bd97b54733a72ea1a85cadd86f8a190aed8101f172fede8db6107f7f2ec13aab35be031ab760b3cb6eec04e0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/OhR:AEwVs+0jNDY1qi/qGr
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2372-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-47-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-65-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 768 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" 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2372-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2372-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0006000000019490-7.dat upx behavioral1/memory/768-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/768-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/768-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-58.dat upx behavioral1/memory/2372-65-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/768-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/768-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/768-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/768-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/768-82-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe File created C:\Windows\services.exe 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe File opened for modification C:\Windows\java.exe 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.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 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2372 wrote to memory of 768 2372 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe 31 PID 2372 wrote to memory of 768 2372 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe 31 PID 2372 wrote to memory of 768 2372 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe 31 PID 2372 wrote to memory of 768 2372 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe"C:\Users\Admin\AppData\Local\Temp\841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372 -
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:768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5cf57a7462648d9b26fa6eee52fb3a6f8
SHA1df0602c093c224bc0d99d02bb33988e8ca0e0451
SHA256b04801385be352b7f95b261ac808d3107cb9421f829d8a4761454dfdb83a198c
SHA512559a5d1f3303d0d0d5d543a0ff01b8da82441ff44d0073fc7cd8276bd66614c63268a4c273e480ebf0dd504153ae1465b0a3fe7a1107efa31bc76ca2038d870e
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Filesize
320B
MD5c38c436faed50ed818b0e491d2a0edec
SHA1c5ae8caddd2b146e53f0a1ea5ea4ad87aa27f702
SHA2565a0aed66976f00ae129723b9ea249d541860ac9ddfb7994627f7fa72e6461147
SHA5128515ad12bb6349f150db0952126fe7cb2d5a7506d7bda43e4f6f7d06b4c858f32d8e333aa14cb39fe73b94b00030625dfe9f7ee9b61b47a98712a5fb71d6ddf1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2