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
04-01-2025 12:25
Behavioral task
behavioral1
Sample
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe
Resource
win10v2004-20241007-en
General
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Target
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe
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Size
29KB
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MD5
9a607f1b789d8d819a8fd99ded657ca0
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SHA1
ec45754230dfdfee08aea8461ec9abfd5ac7c74f
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SHA256
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480b
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SHA512
7466a12ff47a530dc6a95b1b1fc01dc4fdee89749f453df9fd04896361bed7e00c7cf528491b7399a549d048a1491d038c1eb3f057a68d11ad704965fbc3fcb4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/qw:AEwVs+0jNDY1qi/qD
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1088-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1088-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1088-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1088-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1088-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2712 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" de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1088-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016c89-6.dat upx behavioral1/memory/2712-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1088-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1088-18-0x0000000000260000-0x0000000000268000-memory.dmp upx behavioral1/memory/2712-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2712-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2712-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2712-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2712-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2712-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1088-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2712-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2712-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0030000000016689-51.dat upx behavioral1/memory/2712-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1088-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2712-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1088-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2712-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1088-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2712-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe File opened for modification C:\Windows\java.exe de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe File created C:\Windows\java.exe de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.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 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1088 wrote to memory of 2712 1088 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe 30 PID 1088 wrote to memory of 2712 1088 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe 30 PID 1088 wrote to memory of 2712 1088 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe 30 PID 1088 wrote to memory of 2712 1088 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe"C:\Users\Admin\AppData\Local\Temp\de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1088 -
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:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD56e712aaef2100fedf77af01db7194bae
SHA16ef49bd8d1b4205a7c24f8138f2b3aa89acc48c9
SHA256fa844556a01282c03c78db999c25dcc2cc2cc97c7cf65cb5a386434d003682db
SHA51253c7dc720b8366202bfd6065108eaec94f79bb6a749e592fa245f98db9f2999578478b7eb356278f11ddfeaa1ff8320730970b46478c6571b1b1ec6361e242b9
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Filesize
352B
MD5bca2a72e885397789d0b0d5c04107675
SHA131e4b7465c99632e094855a1d0d26dd62abd2871
SHA256717db52e2ff82b0d34001dc89752adf7849335852b93e36ec1b8bdc548f066a8
SHA5120d1055019e7c93073e908a3b57c567333bf64fd5022d6fd55259cbbd32cff8662e4cc8f577bc390ce8587f353c634f39fc38dd40dcafd22288ccc17425c1122e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2