Analysis
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max time kernel
170s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 02:07
Static task
static1
Behavioral task
behavioral1
Sample
063c2aaac9dd6aebbc53f671b8c7ff31af81975d303145f967f861edd5b0608d.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
063c2aaac9dd6aebbc53f671b8c7ff31af81975d303145f967f861edd5b0608d.dll
Resource
win10v2004-20221111-en
General
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Target
063c2aaac9dd6aebbc53f671b8c7ff31af81975d303145f967f861edd5b0608d.dll
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Size
52KB
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MD5
4b55743f8af4ca72b99cd35373e25ea0
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SHA1
75e66a6c1afdb410c2242962ca4719c431650baa
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SHA256
063c2aaac9dd6aebbc53f671b8c7ff31af81975d303145f967f861edd5b0608d
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SHA512
f5434e09096e1f78679d36d44be195d2c9eaa6bcf01756cb64bd09802de9d0e74eb1cf779212593f871372d07b2e42087f52b538cd8fd2906a7de03cfe54d1da
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SSDEEP
768:UyOMccqi3TJq3kQMXrV/Jd8IqTjGqMW5B0QZhd+zPdCunTEDs6LLwhc4:Udbi3E3kvB/Jd89uQUzPdl/R1
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2656 wrote to memory of 3484 2656 rundll32.exe 82 PID 2656 wrote to memory of 3484 2656 rundll32.exe 82 PID 2656 wrote to memory of 3484 2656 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\063c2aaac9dd6aebbc53f671b8c7ff31af81975d303145f967f861edd5b0608d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\063c2aaac9dd6aebbc53f671b8c7ff31af81975d303145f967f861edd5b0608d.dll,#12⤵
- Modifies registry class
PID:3484
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1828