Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 00:47
Behavioral task
behavioral1
Sample
83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
Resource
win10v2004-20241007-en
General
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Target
83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
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Size
29KB
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MD5
b767d0fbe9a8a85af9d9410280979e6d
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SHA1
2fa2a182bbc5564dd8277b0b2bde3cb6c91c2e5c
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SHA256
83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a
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SHA512
dbfc73f9000e2d301fd0c6c445210fdd6e9db6a9422dedd7c9d62f687f3befc234f32d278e2bbc46c89b09abbd271caef03a8366682159a6ab0329e517838f5d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/quu:AEwVs+0jNDY1qi/qU
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/3052-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3052-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3052-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3052-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3052-84-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3052-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2216 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" 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/3052-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3052-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/3052-10-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0006000000019389-9.dat upx behavioral1/memory/3052-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2216-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3052-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2216-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3052-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2216-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-66.dat upx behavioral1/memory/3052-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2216-80-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3052-84-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2216-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3052-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2216-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2216-92-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe File opened for modification C:\Windows\java.exe 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe File created C:\Windows\java.exe 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.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 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3052 wrote to memory of 2216 3052 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe 31 PID 3052 wrote to memory of 2216 3052 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe 31 PID 3052 wrote to memory of 2216 3052 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe 31 PID 3052 wrote to memory of 2216 3052 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe"C:\Users\Admin\AppData\Local\Temp\83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052 -
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:2216
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD589cb63cde7ea59cacbcf3e032d6993e8
SHA19300c21c8c1101310a731b0d6dab33e29d233368
SHA256be3adcf68ac6b4931e35dcbb2182c225fab74b90fbaf464dab47a9ca435f5aa9
SHA512ca20d77d56a3392e120cc0cd885e94346b95182d68eed6c5028f6ae662a276517d6a28dd32525253486b001f5f307bb544af03e857ff29578d87ffbfb23cf42c
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Filesize
352B
MD56a25790ff6843dfe96476efeaf557db4
SHA18e5bae97045a2e149c597961b0bc254a38781f80
SHA2566e1b045455f10fdbbfdfdda4a252ebf469403303ba7e8b2041f98c1e9d597949
SHA512b2b8486bf5cf767487b27a6bef5e59af4e85ad0d827f90a53344b8a9bef58a66d70e034a9d40960955575bcac62c045d9973c7122f1fce80956f0b135fdb081c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2