Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-01-2025 23:19
Behavioral task
behavioral1
Sample
3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe
Resource
win10v2004-20241007-en
General
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Target
3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe
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Size
29KB
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MD5
7a7b07e67c713318b30e859cd66d00bc
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SHA1
bb95ee9df584db2e6cb3b37a0a50e11239a5590e
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SHA256
3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1
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SHA512
59614a466e005cb52ecfc7a477d082711e1d665b41d31d12db9397cfd0d62678758b7b9e112f60a878a2a69757bb5f185e1ea14ffe43473f8532a5cad235b0ba
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Hhe:AEwVs+0jNDY1qi/qPA
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4704-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4704-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4704-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4704-200-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4704-203-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4724 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" 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4704-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0007000000023cbf-4.dat upx behavioral2/memory/4704-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4704-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4704-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-70.dat upx behavioral2/memory/4704-200-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-201-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4704-203-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-204-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-209-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe File opened for modification C:\Windows\java.exe 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe File created C:\Windows\java.exe 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.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 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4704 wrote to memory of 4724 4704 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe 83 PID 4704 wrote to memory of 4724 4704 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe 83 PID 4704 wrote to memory of 4724 4704 3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe"C:\Users\Admin\AppData\Local\Temp\3dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4704 -
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:4724
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
153KB
MD5fa3934f689faf6f32374f08e890e7bbc
SHA174051009369f1cae7d9f4b9ef865c706f62af620
SHA2563766fdd79714b170164d23abe6a2f741f3a8de1e66e0eb6ca75ff6721b8b884b
SHA512fd328b2f7d6a55ed3a54a06a988ebded983783b56af7ba50df9a18964255b3e8d1e30dbc273cc757b3b8b278113db7eb0d9d33e8d51ffa7308ce0d0f1c255d93
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Filesize
29KB
MD57a7b07e67c713318b30e859cd66d00bc
SHA1bb95ee9df584db2e6cb3b37a0a50e11239a5590e
SHA2563dc723c663e31df26f85cd919381c0e37eea12b77f93471075edd9018c2ebcd1
SHA51259614a466e005cb52ecfc7a477d082711e1d665b41d31d12db9397cfd0d62678758b7b9e112f60a878a2a69757bb5f185e1ea14ffe43473f8532a5cad235b0ba
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Filesize
320B
MD53118f73d7a0918a550db4781ff898d0d
SHA15b854f7f1e7ed1792c2bc0b3c852fce3ac650770
SHA256524c0aa2af97954c0885e990f94057f55ee74bed57ce9e9757c5c18074a78a97
SHA512f35a37b42e03c668cfea8dd9c2f6ec6066daf76df9d23f1839586fb00102c42931ce4609f80322cf0d5a6df4049e24b846c0996e41fb238a84d2598f835949e4
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2