Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-01-2025 11:01
Behavioral task
behavioral1
Sample
bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe
Resource
win10v2004-20241007-en
General
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Target
bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe
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Size
28KB
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MD5
77dbcbca59520dd5898c0b2234c4f990
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SHA1
299fb2ff0222c01c71c4c399f72d9c08127f7e65
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SHA256
bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ec
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SHA512
4832c93ef30309d6415c00ac2e618e05d32df485c042740d393b87e14d5e3ad2dc547cebce62dd29b76d43aa01925c8a1d3f49531d70f13e9d1a0c177b4f7ba3
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNFA5:Dv8IRRdsxq1DjJcqfWi
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2676-2-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2676-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2676-35-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2676-53-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2676-55-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2676-60-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2676-67-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2676-72-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2716 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe -
resource yara_rule behavioral1/memory/2676-2-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2676-4-0x00000000002A0000-0x00000000002A8000-memory.dmp upx behavioral1/files/0x0008000000015f4e-9.dat upx behavioral1/memory/2716-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2676-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2716-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2676-35-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2716-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-46.dat upx behavioral1/memory/2676-53-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2716-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2676-55-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2716-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2676-60-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2716-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2676-67-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2716-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2676-72-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2716-73-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe File opened for modification C:\Windows\java.exe bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe File created C:\Windows\java.exe bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.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 bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2676 wrote to memory of 2716 2676 bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe 31 PID 2676 wrote to memory of 2716 2676 bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe 31 PID 2676 wrote to memory of 2716 2676 bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe 31 PID 2676 wrote to memory of 2716 2676 bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe"C:\Users\Admin\AppData\Local\Temp\bca194ccf06f99525d5755f8bc8aae3b7f33c05080b4d7f6cb8bbe238dc124ecN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676 -
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:2716
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5188b2edcaf3eedcf3ed4155d2e659a07
SHA1422ab0c2039e7a1d655985a43af422a2e83a3f9f
SHA2567ff33f7b1b77eeec59b22357c51786bf295f8b98c4fa0717f79771ab9f2c2493
SHA5121ce9fde470c0ff20f30d10dfc6a741f0bd823c7f3cb6fd3ec2150d5e1b3ef9699820bffccdc66123f90e1263a43dd8b4597151320892b7ae1a0fb70c9c3ff62a
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Filesize
1KB
MD53aea9ef5c4b33cd11a9ec47f85c63b31
SHA1fce44d7d78a2dfb726439ecc5c470ac9c865e216
SHA256b2411e002dc3eeaf59218101fcdf9e7538d14c3c2a260c35497138e3e72fde92
SHA512a115df79cc46ae22e29a1e9d33ad0e898ff15e80bec0234da0b20b8c5103057f1695ed39a29eabbafb46cba92ba121cfb8a70897c12a1e1a703218706079e927
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2