Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
07-12-2024 22:56
Behavioral task
behavioral1
Sample
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
Resource
win10v2004-20241007-en
General
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Target
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
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Size
29KB
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MD5
98ee09ed253193dfd7820aac0bfb4dca
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SHA1
3b479fe57b4cd1985c6fe241273d216bfc68d772
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SHA256
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13
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SHA512
53aee154193afb387c4a6d66f10396a1056b8b5749e0a527586207dd3eb7a36c0c9ed6713a6a86988e2e626aa05b0480208fe29dc50dac2bcf0f52c8dd3fd38b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/hh1:AEwVs+0jNDY1qi/q5P
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2324-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-80-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2324-85-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2028 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" 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2324-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2324-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016875-10.dat upx behavioral1/memory/2324-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2028-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2028-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2028-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2028-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2028-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2028-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2028-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2028-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2028-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2028-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-65.dat upx behavioral1/memory/2028-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2028-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2324-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2028-79-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-80-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2028-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2324-85-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2028-86-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe File opened for modification C:\Windows\java.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe File created C:\Windows\java.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.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 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2324 wrote to memory of 2028 2324 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 30 PID 2324 wrote to memory of 2028 2324 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 30 PID 2324 wrote to memory of 2028 2324 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 30 PID 2324 wrote to memory of 2028 2324 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe"C:\Users\Admin\AppData\Local\Temp\5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324 -
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:2028
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD50c6ea837c79a7bff599d08ed85ea3cf0
SHA1dccd8899a7c5f0be1e8def16adf23a2bb225b58f
SHA2565d36d2256f29d3a279709ea4c406416af1a345cd091b7ca327e2dfe1f7e3831e
SHA512640190b48d176262404b470dabd7c043016ccb2b3af7aaea30da4485bf500f34efad29ba2155d7948da81082d285190e02384d93458e2344732a2d57c0657f31
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Filesize
320B
MD50d741b0d6ae1c45e93b0d747b7afe1c3
SHA1d996274a119e4ab938945f9a8e75aeac789ee28a
SHA25656e5db082705871a2621489a12de4ad544b97569626af9d2fc7e010fa67d73e5
SHA51246a9b7693b988c59d74281e4d1768b6376f995b4b0e064534b969448093de81f16a610a9ba68ac183834a37e53e2646c3c19f14f467971e93e4fd6743a3d58c3
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2