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Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14/10/2024, 17:58
Behavioral task
behavioral1
Sample
19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe
Resource
win10v2004-20241007-en
General
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Target
19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe
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Size
29KB
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MD5
470fbaf58e794e2944722593012b5930
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SHA1
0dc635f337ff2a21ca973b9b3f8abd62854533c6
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SHA256
19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387
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SHA512
67f615c976b84c8821f908dd478549ae7dffd4073985fd92d3f413b21b466e957ca79fd2f2059c72175726dbea2b2c4dc1624d1fb0c7916707e856d13bf06095
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/+Y:AEwVs+0jNDY1qi/qZ
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2404-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2404-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2592 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" 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2404-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2404-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016d15-7.dat upx behavioral1/memory/2404-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2592-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2404-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2592-60-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe File opened for modification C:\Windows\java.exe 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe File created C:\Windows\java.exe 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.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 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2404 wrote to memory of 2592 2404 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe 30 PID 2404 wrote to memory of 2592 2404 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe 30 PID 2404 wrote to memory of 2592 2404 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe 30 PID 2404 wrote to memory of 2592 2404 19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe"C:\Users\Admin\AppData\Local\Temp\19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404 -
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:2592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
256B
MD5eaf4878c38c2d239eb64e174d0ecc06f
SHA1c12bb6482862c53160ddc444a10d582fde018aeb
SHA25634ea4653540824d7d519f381ee1350bf610502cdebab466b83833a3e4337155d
SHA512272591da41b73aaaafeaed6c3fe6436acee907a2894cf580118a1834b95440a766b08968013a655f7468d158c8dfbc26d457c734637eee8c73fc1d0904b1575b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2