Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-12-2024 04:54
Behavioral task
behavioral1
Sample
c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe
Resource
win10v2004-20241007-en
General
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Target
c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe
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Size
29KB
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MD5
8dd67b3c36b761a5085153694ba31601
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SHA1
80572cef4c31aa01a479bde9c3a2cad7bfc09bf3
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SHA256
c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211
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SHA512
c8bdda3434babb0a2d1b25c1ae158f6e37c1a8ac5a2085add19e1b85063cfb7e14fd226c00c9841184249cf0c4d123ed906144d638a89694cdcfc81e8f948b31
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/H:AEwVs+0jNDY1qi/qf
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/1688-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-80-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-84-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-91-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1128 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe -
resource yara_rule behavioral1/memory/1688-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1688-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016cf0-7.dat upx behavioral1/memory/1128-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1128-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1128-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000c000000016cab-72.dat upx behavioral1/memory/1128-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-80-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1688-84-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1128-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1128-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1688-91-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1128-92-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe File created C:\Windows\java.exe c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe File created C:\Windows\services.exe c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.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 c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1688 wrote to memory of 1128 1688 c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe 30 PID 1688 wrote to memory of 1128 1688 c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe 30 PID 1688 wrote to memory of 1128 1688 c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe 30 PID 1688 wrote to memory of 1128 1688 c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe"C:\Users\Admin\AppData\Local\Temp\c9538335efea0850c8c0d7ac5352557b75d379e1986cd3edf6f3aa98445d7211.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688 -
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:1128
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5444582b0ebf57ef05ba26f5f9a6a87b0
SHA19d3d4d983a14716a3fa4489424eff07d1888b481
SHA25643ce8f4474faa9d945d6aa92ccd3abf7b4d326341b0b1735c914c5b7ba017ba2
SHA5121940259177073c957dd0d3fbc44e234fe134ba147e18e739142319fd6fc41e7fc5e600ffeaa237f22a01f6b0d2475f1bae26017e446d495d849437c9303f57ff
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Filesize
320B
MD5f049dc2dd8ebc2fab177c5b4995384bb
SHA12f3c6ab20607b4cfb78a3d1449e1a7da550f0a13
SHA2568c8689bd92cf68fc26f7421d348e3aa63a991415ae1b943f7cc88b50ad12ed41
SHA5121da426edf2484aac6fb53e906597013a9279e44487c4fa61bdf725b823cff8df569019a0bacddbe8cb9790c8e192aea473a1fb23a351c1ee625142e326ec8502
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2