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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 14:52
Behavioral task
behavioral1
Sample
ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe
Resource
win10v2004-20240802-en
General
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Target
ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe
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Size
29KB
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MD5
21813a082108666cd715ed8f9dc667f0
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SHA1
bb45eeb0bea59d91d9cd95d076927e0e4a7320eb
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SHA256
ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dc
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SHA512
5a9e3889f0328e5252eabd11ba222e9ff683085ce0f8e5f3d0c28dc32c7939bd7cc679c0565e6d212fae6b7f48da42a6cae70dd0f77f6025f399463d59e9a50d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/H:AEwVs+0jNDY1qi/q/
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2076-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2076-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2004 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" ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2076-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2076-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016bfc-7.dat upx behavioral1/memory/2004-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2076-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2004-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2076-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2004-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2004-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016d11-66.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe File created C:\Windows\services.exe ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe File opened for modification C:\Windows\java.exe ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.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 ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2076 wrote to memory of 2004 2076 ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe 30 PID 2076 wrote to memory of 2004 2076 ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe 30 PID 2076 wrote to memory of 2004 2076 ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe 30 PID 2076 wrote to memory of 2004 2076 ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe"C:\Users\Admin\AppData\Local\Temp\ff6ee65726a8b753d68fba2f3b5fd3e885018031ed2f29c4f4755bdae76f81dcN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076 -
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:2004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5e613dc5c8a06d9cb4c9f59ae81294a38
SHA12e03060bfbbc0c7ad094fe3f7ecb4edadd4deb48
SHA2563cb32fd3d5bd05d4b423fd0308e378899dd8695a053b887cc3758ce95732520a
SHA51246687626699a0b9c6f6013bf5aed1bfafd421c2db5e2973a40b34b05a9fe81010f0f55745e1ef562d2c6b7ca089bb12a09d78dd3d15b4321fabee2b78c1017e3
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Filesize
320B
MD5e2f946b7334be0bb0e3a3b23bb5739e1
SHA17b0997b7c7a0f04decf8807b66cd017461e2b558
SHA256a1a2b44512b29c30a8da7260ddf3f52860a7ea84cdf9b93f506620ccc85a0d64
SHA51229e9cec85cb957e997e12638827241b7e7491d64dba1f3923b4013dda504d7d3eb882fd6db4ba7280d4ad5b034118c8db97db09c04701fb13368e97c346e6dc5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2