Analysis
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max time kernel
120s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-01-2025 12:20
Behavioral task
behavioral1
Sample
4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe
Resource
win10v2004-20241007-en
General
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Target
4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe
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Size
28KB
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MD5
66627d38a138ab36bbde492e028ad745
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SHA1
c5077499321256a789a80e7cf65d157cac7e3db8
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SHA256
4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce
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SHA512
a0c7132afb5250f1dcd2c8f093bc917b00ede5b1940b68443b5405347c2de6cec48d57d4875c2ec6317ce4fcbf5c7baa3b2ef2ebdd2a8825a1995e3f5a451a47
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNGCANy:Dv8IRRdsxq1DjJcqfbG
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4240-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4240-39-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4240-112-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4240-159-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4240-161-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4240-166-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1044 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" 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4240-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000b000000023b87-6.dat upx behavioral2/memory/1044-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4240-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1044-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1044-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1044-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1044-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1044-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1044-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1044-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4240-39-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1044-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021ea9-53.dat upx behavioral2/memory/4240-112-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1044-113-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4240-159-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1044-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4240-161-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1044-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4240-166-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1044-167-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe File opened for modification C:\Windows\java.exe 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe File created C:\Windows\java.exe 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.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 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4240 wrote to memory of 1044 4240 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe 83 PID 4240 wrote to memory of 1044 4240 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe 83 PID 4240 wrote to memory of 1044 4240 4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe"C:\Users\Admin\AppData\Local\Temp\4d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240 -
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:1044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
28KB
MD566627d38a138ab36bbde492e028ad745
SHA1c5077499321256a789a80e7cf65d157cac7e3db8
SHA2564d92f6852fd823f2b477470de3debcba683623a9fe321841e322564b21d970ce
SHA512a0c7132afb5250f1dcd2c8f093bc917b00ede5b1940b68443b5405347c2de6cec48d57d4875c2ec6317ce4fcbf5c7baa3b2ef2ebdd2a8825a1995e3f5a451a47
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Filesize
1KB
MD54649d57662b54b137fe265c66e5afb75
SHA10a0af044c6683220dc24ba70d87efe6898f8b148
SHA2560e0fbebe3be41240f6c287019b4ff0d783ebbbdba9b897c91fe814eadbe8b4fe
SHA512eb7f08a1235f9ad2e8271b72b92076943c5183ed4c9ed14d08abe29105247257b90523da37ed1ecfa673376872c671af558b751101d421f09702d483e46efceb
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2