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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15/10/2024, 05:36
Behavioral task
behavioral1
Sample
db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe
Resource
win10v2004-20241007-en
General
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Target
db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe
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Size
29KB
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MD5
948dda535041626edb8b11e6b73a4517
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SHA1
e9263538016829441548295cbe935010177410e2
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SHA256
db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c
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SHA512
f0c99d6c089310648a25a1c9f8d28ffaab5ee6a0b0080915271a8841775a87a321c1f431fb912d1eee126c479558e6d07b97654912409cd9a636138f1cb3819c
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/sj:AEwVs+0jNDY1qi/qUj
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2088-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2088-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2088-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2088-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2088-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2100 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" db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2088-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x00080000000173a9-10.dat upx behavioral1/memory/2100-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2088-18-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2100-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x000e000000018676-71.dat upx behavioral1/memory/2100-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2100-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2100-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-87-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe File opened for modification C:\Windows\java.exe db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe File created C:\Windows\java.exe db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.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 db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2088 wrote to memory of 2100 2088 db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe 30 PID 2088 wrote to memory of 2100 2088 db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe 30 PID 2088 wrote to memory of 2100 2088 db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe 30 PID 2088 wrote to memory of 2100 2088 db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe"C:\Users\Admin\AppData\Local\Temp\db9e43f94895af6bdbdc3bac9fc54d68b0f23f6807e05eb0f5b79a2580c1df7c.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088 -
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:2100
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5051e5cf2b443a889705c9cb2870c6cf0
SHA1591f128636b9cef253abe96aa260737d52b75db6
SHA2568101cd093ceb1177dc666f2df65bb0d2d3ef440c3d91e173dc8f0c38a32ca997
SHA512cfd3fbff7d00801d801fecc9363b1821e322b35cbb0771b856e896022cd3e1ae1e391adc9b696a210eed76aa1e7ef58d8ffc7df5cbbd862fe7bffe1c8a84a571
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Filesize
384B
MD5a7b1b36e75bc08694047341746a7a822
SHA1b1fb8ba61ea26db5aafa98b0fdc3f165c9a3e4e1
SHA25676da68377a9046f1cb4ad9eea4438f8b44b1edb804f68af155ac507541a2fd29
SHA512862919dfd4b9ed3326227606a3b3ee732f2fbb82b7a08a0aa63bc6c2df77114d1b7d4ca40a9f802a34165603cd032ce5c3123f823726233a1b9c4ac5101b2fee
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2