Analysis
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max time kernel
136s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 15:35
Static task
static1
Behavioral task
behavioral1
Sample
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe
Resource
win10v2004-20220812-en
General
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Target
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe
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Size
288KB
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MD5
f459537efbf1f59e4e83758ca1f7bd63
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SHA1
e483ac32abdc5fa7931f092acab5fd84597b0f18
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SHA256
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463
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SHA512
1004ae317d32960b7131d8841a52d27cfbbe9d6efaec2963f6f946cc1256123d2dc54050426f28502179ad57db533a2a76de22e876b0b839afb89a6e66a16b63
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SSDEEP
6144:MRAhhJxX7bNIAROzTuft0Mt+til+XDVLaYVc3hD9sbDRPtgA6Mn9:UsAAPF0Mt+Il+zfVeethn9
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
Processes:
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4955B744-8B9A-11D5-EBA1-F78EEEEEE983} ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4955B744-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msruj32.exe" ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe -
Drops file in System32 directory 6 IoCs
Processes:
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exedescription ioc process File created C:\Windows\SysWOW64\vcl32.exe ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe File created C:\Windows\SysWOW64\msruj32.exe ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe File opened for modification C:\Windows\SysWOW64\msruj32.exe ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe File created C:\Windows\SysWOW64\concp32.exe ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe File opened for modification C:\Windows\SysWOW64\concp32.exe ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3468 4648 WerFault.exe ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe -
Modifies registry class 5 IoCs
Processes:
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4955B744-8B9A-11D5-EBA1-F78EEEEEE983} ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4955B744-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4955B744-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3 ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4955B744-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 337598ada7f68618609abbdbd79d9e70 ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exepid process 4648 ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe"C:\Users\Admin\AppData\Local\Temp\ecbf445d21e0ef7ba92872aed995697f9745f496d5eb7ec324fa90e88ce36463.exe"1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:4648 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 7122⤵
- Program crash
PID:3468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4648 -ip 46481⤵PID:4748