Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23-11-2024 20:06
Behavioral task
behavioral1
Sample
7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe
Resource
win10v2004-20241007-en
General
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Target
7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe
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Size
29KB
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MD5
5e3a55a964304f2294936f6f4f2ac6d0
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SHA1
473ba92d6c03e56ecfed41d643ef3d3b39481fbd
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SHA256
7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9
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SHA512
0c725cefc0be127c21a1f0e2f16bf8625260502ee7de065319c778e009a27ae5e19a14c124e17596533d56e4d100536493ffd7219dae3e415a79ef059f537f77
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/r:AEwVs+0jNDY1qi/qz
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/840-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/840-38-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/840-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/840-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/840-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/840-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/840-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2540 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" 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/840-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016241-10.dat upx behavioral1/memory/2540-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-38-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0006000000004ed7-57.dat upx behavioral1/memory/840-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe File opened for modification C:\Windows\java.exe 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe File created C:\Windows\java.exe 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.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 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 840 wrote to memory of 2540 840 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe 30 PID 840 wrote to memory of 2540 840 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe 30 PID 840 wrote to memory of 2540 840 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe 30 PID 840 wrote to memory of 2540 840 7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe"C:\Users\Admin\AppData\Local\Temp\7d83ebb465fd6988f1b42804701a618cb68a179f7fbc375c929bd4d5ddcf66f9N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:840 -
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:2540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5945e12fbfd8c162c52743033f31b4401
SHA19a1f1b42d6489375bee1c0b6fe48aedc8300d67d
SHA256ff12276a05a6f77cef4734795de1eec5bceb5e2ca5cda89d483b2abf05979fc0
SHA5123a52b397674c1ae57a7ce7734c84f5102a30a3ab747a5fd72febcd34f4572f93c945b48a692cf01d2ea155e1a1d72f29f0b3743c4b6a3b7bd12c65a8491c0210
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Filesize
288B
MD581e2f5316a453aaed6efd5e955664669
SHA18f8df16af7ba1854562487642fb393d5bc5a9915
SHA25652b60aac1420bf523b7d6c1035473a41c871a8802aca7dfa3db3ff7e5bcfc35b
SHA512f583130d8e0839c2a4f028b5c6be38a7d08ccf87ae5f2a7c223eadea769f51f090ed59a58f5b88079ad431512e897d9251d45f3029da9b8053465243bb2345ce
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2