Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
08-01-2025 10:31
Behavioral task
behavioral1
Sample
104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe
Resource
win10v2004-20241007-en
General
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Target
104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe
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Size
28KB
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MD5
78d4a827b8046dbae59b5e7139fcd0b0
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SHA1
c65e2615f0bbd7155dd11ee3fabc09e05adc43b8
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SHA256
104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68
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SHA512
2c3b40b984a59938a35a3862070aaa9c747dbbfa9f9b29085e53221ea6bb6070d0671766da31865fecc87ffc8008e680fe2f988d697dbeb3b78b0953e168801a
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNoFlxv:Dv8IRRdsxq1DjJcqf9Xv
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/804-2-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/804-9-0x0000000000400000-0x0000000000408000-memory.dmp family_mydoom behavioral1/memory/804-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/804-55-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/804-60-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1552 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" 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/804-2-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/804-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016c23-10.dat upx behavioral1/memory/804-9-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/804-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1552-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1552-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/804-55-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1552-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/804-60-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1552-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016cd8-66.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe File opened for modification C:\Windows\java.exe 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe File created C:\Windows\java.exe 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.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 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 804 wrote to memory of 1552 804 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe 31 PID 804 wrote to memory of 1552 804 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe 31 PID 804 wrote to memory of 1552 804 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe 31 PID 804 wrote to memory of 1552 804 104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe"C:\Users\Admin\AppData\Local\Temp\104b0b735a711ff5b5fcd68a1859a32d3df281bb343041516fd392246e764d68N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804 -
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:1552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5a55d4f2b64db4ce3bab7edff958c9fbf
SHA180cc33b42115a79bcac0f1fb6ee400c40611f989
SHA25697edf6430e2b2dea71aab81fc2b01a39879d3032ad3692305c6033bde428eb8b
SHA5122114e1e8deaf9ef1b319dd05cbd3abc2bcbc0ecddf1fad45795229b433d5c1d9b750c162bc9e59d65059a94a4c933948240fa924501bf8835dbc6c75abdcd4d5
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Filesize
1KB
MD5120262622206dc1369e489bf08a83d41
SHA1cde0277fceb47587d04802fe820fdbd768b69e8f
SHA25651acf24ef1c29c4ea557f726ea7dafe797bd2f27f313ceaeb3df2d055981bd3e
SHA5129e93c923532af45e720b3a9562cfb4048473dcfdba210ffd972d7a1f27b4944937134ef79499a75b2096e8b7f60634229cf8a56d2d06e2455693842c7a960003
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2