Analysis
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max time kernel
120s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 11:49
Behavioral task
behavioral1
Sample
7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe
Resource
win10v2004-20241007-en
General
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Target
7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe
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Size
29KB
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MD5
26c8e8591e667af07d7ee889106fb6e8
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SHA1
3ab67f69757ef76e5606fdd7d1b1e3fd37f2d38b
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SHA256
7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca
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SHA512
7df27a59a3f57e5cac9dd2ec602d0d917004a14599e0e40811032746bf21a118c2a89ae348cdc1b0b55c8ca6a9414d38501adc4af2184094e59fd4f45901a3fd
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Hd:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/1776-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1776-41-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1776-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1776-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1776-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1776-65-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1776-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2280 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" 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1776-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1776-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0009000000016b47-9.dat upx behavioral1/memory/2280-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1776-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2280-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1776-41-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2280-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1776-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0004000000004ed7-48.dat upx behavioral1/memory/2280-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1776-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2280-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1776-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2280-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1776-65-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2280-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1776-70-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe File opened for modification C:\Windows\java.exe 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe File created C:\Windows\java.exe 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1776 wrote to memory of 2280 1776 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe 30 PID 1776 wrote to memory of 2280 1776 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe 30 PID 1776 wrote to memory of 2280 1776 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe 30 PID 1776 wrote to memory of 2280 1776 7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe"C:\Users\Admin\AppData\Local\Temp\7f36ae187322f000ca7172cd3d7135e9ccdd383594d926c61694a8cbf6fa47ca.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1776 -
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:2280
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5b2ca3ea73f22ecfe8a4f9c980bdcf490
SHA18f30041fe8d4401dc35919eb05cca7d22be36691
SHA256be3ed5ab675f2cc171411674c2c09cab99de21ad890608d3b28893803fda6c21
SHA512985153da98aa57a12003124aa27389f9159c7ad0606f2a4a4a2b54763293ad392eddb8a94a4b073c11148cd6d6ac8a8eb74c0f969a7cb4e47a826e0ee0b93a36
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Filesize
384B
MD55d8c7b9286bee317b546f000ab22bf21
SHA16fb1f84b2c1941fb023d94e22a54172585100170
SHA256654c739867f642dc981f145cd95712edbdf605284783a189e7482a990ea07e55
SHA512faedfe6f734f9575bcea150b7884e6fca9963b2a167982ba31c68e3a1b9ddd2e4ef6c39b904a51e472fa5b87261981d52b850d8041f93931e3a70df19f6f2c5e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2