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Analysis
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max time kernel
120s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 19:43
Behavioral task
behavioral1
Sample
3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe
Resource
win10v2004-20240802-en
General
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Target
3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe
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Size
29KB
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MD5
1076cbd36498e5bd225b1af07b2903f0
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SHA1
dab02c5c453cb5c80219fbf8959368f44e1e6169
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SHA256
3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85
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SHA512
72fce885143edbf9b02d164f3803f81df9c32db85b5d5c0c12d22fd378e83734406b36c8741409362b92a0da2897ce80bc4f2f181f88c4011aa1fd45e9aa11e5
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Y:AEwVs+0jNDY1qi/qQ
Malware Config
Signatures
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Detects MyDoom family 9 IoCs
resource yara_rule behavioral1/memory/2084-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-36-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-47-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-65-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2084-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2344 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" 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2084-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2084-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016398-9.dat upx behavioral1/memory/2084-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2344-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2344-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2344-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2344-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-36-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-45.dat upx behavioral1/memory/2084-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-65-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2344-71-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe File opened for modification C:\Windows\java.exe 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe File created C:\Windows\java.exe 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.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 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2084 wrote to memory of 2344 2084 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe 30 PID 2084 wrote to memory of 2344 2084 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe 30 PID 2084 wrote to memory of 2344 2084 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe 30 PID 2084 wrote to memory of 2344 2084 3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe"C:\Users\Admin\AppData\Local\Temp\3344dce5f77ad9e9ada567f85e87f557ea9b101af48d92050b46eedf2b33ee85N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
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:2344
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5fd81e15bad8150fbdaa01dd901013bc2
SHA144ce117913734cb9e5da75d43eddd35ab55552d1
SHA256e3598fa2902388180b15edee7bad1543c785871aa5cfd59155251889691a80fd
SHA51233f7eb21473f655cf2398c62a14f4a64fbc5e9da5570dc92717a7af75e09208ef865df9466d5068c2bfe5bad9f148a66070be117e07de3689ba033dc53344c50
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Filesize
320B
MD50a2bd992f7fb767e966d43affd0e66a7
SHA1fbdf654c8178fa776d4e97322d645afc21f14cc0
SHA256b6238e34ff51e368ad79fceec463fbc34713898da8d13b835692c2588f89ad24
SHA5129f18a9aca871b05ccf51800b970a7be782de9aae9c78dd313d76bc85686dc131cc91385c58cf442950ca241fb3a8e22d61d6e42fe92ab511636f9b4b5678c02c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2