Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 23:48
Behavioral task
behavioral1
Sample
760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe
Resource
win10v2004-20241007-en
General
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Target
760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe
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Size
29KB
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MD5
a9b68e1edba064b8564b87dfcb119b5e
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SHA1
493be1533f23889c854215f1f967652d3be03f4b
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SHA256
760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30
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SHA512
f3d2c0e1d7565d03112f3f88518d62b60593c1d9589b8c1f1d316958ccfcc1fd9c2d4c20f5d055a80d7040b641c1947b2f99195377e06e2000fe1d837a46cf10
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/+hQ:AEwVs+0jNDY1qi/q2m
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4736-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4736-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4736-105-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4736-150-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4736-160-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3620 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" 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4736-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b60-4.dat upx behavioral2/memory/3620-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4736-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4736-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-69.dat upx behavioral2/memory/4736-105-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-106-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4736-150-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-151-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4736-160-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-161-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe File opened for modification C:\Windows\java.exe 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe File created C:\Windows\java.exe 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.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 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4736 wrote to memory of 3620 4736 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe 85 PID 4736 wrote to memory of 3620 4736 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe 85 PID 4736 wrote to memory of 3620 4736 760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe"C:\Users\Admin\AppData\Local\Temp\760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4736 -
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:3620
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5a9b68e1edba064b8564b87dfcb119b5e
SHA1493be1533f23889c854215f1f967652d3be03f4b
SHA256760028c26751f8d7006ab277505c70ac6ea18af295e02c698ece69ae11aace30
SHA512f3d2c0e1d7565d03112f3f88518d62b60593c1d9589b8c1f1d316958ccfcc1fd9c2d4c20f5d055a80d7040b641c1947b2f99195377e06e2000fe1d837a46cf10
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Filesize
320B
MD51667202c46bb130a7c5e4b82cd8fd583
SHA103fd20bf381e9b0436d17db6e5540704d76bec15
SHA25694f3d82c33c612cce55697b40f1f82c5834e72cf0001eb47604027af1054c262
SHA512b3a0c205fe55b1ee85d8d023e30bc2ea1624a99d0ec9cc6853d2af179ae301212560b9143754037126a12e294739bfab66170f17fb9049e1c9b9bdfb2c242188
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Filesize
320B
MD554715d7990ae6c54d63fb0c7c53f7eac
SHA171e9231dcb98da05b9c5cc37d507837796f910bc
SHA256013e6edae826b914628ba09cb81592f61e2037b98f0e682828255102b8f4c1b2
SHA5125be7a6c4146da8cb4a1d627889e6279c4adcd4f09684c18f3cca964216efe434e5b93aaa55b3e884adedd19278cf539a25467863524d438ced990cbe8b758b66
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2