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Analysis
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max time kernel
144s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2022, 17:08
Static task
static1
Behavioral task
behavioral1
Sample
f3b89d206767bfc1c734b7af93a8caafc5b48c7797516237af2d6ba45ad282b3.dll
Resource
win10-20220901-en
5 signatures
150 seconds
General
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Target
f3b89d206767bfc1c734b7af93a8caafc5b48c7797516237af2d6ba45ad282b3.dll
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Size
712KB
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MD5
38e9c920298c5efbddd9890f9f5daa4f
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SHA1
9606da8026c4db33b299ba45fd1453054dfdb371
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SHA256
f3b89d206767bfc1c734b7af93a8caafc5b48c7797516237af2d6ba45ad282b3
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SHA512
81ebc516e793a3f34d06424d6a3425a7a60c44a5e12d77f03241fffd125274b736ff1dbe2793d05452c237557dcd032df4b55c7ffa8153a79ca311cd08f2a8d4
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SSDEEP
12288:Jm3ryg7+tKkrxfIoAGA8YHrKreJkca011br+0MACwlg6WggbE/A4:JuryW+5rNIoJZYHrKreeBjWCN4
Score
10/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XVkWLo.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\EbTTwkOpSSAM\\XVkWLo.dll\"" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1644 regsvr32.exe 1644 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1644 regsvr32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1644 wrote to memory of 5072 1644 regsvr32.exe 67 PID 1644 wrote to memory of 5072 1644 regsvr32.exe 67
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f3b89d206767bfc1c734b7af93a8caafc5b48c7797516237af2d6ba45ad282b3.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\EbTTwkOpSSAM\XVkWLo.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:5072
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