Analysis
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max time kernel
38s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 16:34
Static task
static1
Behavioral task
behavioral1
Sample
6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe
Resource
win10v2004-20220901-en
General
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Target
6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe
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Size
151KB
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MD5
84592ed9242208570f4ff6817ae1ee90
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SHA1
1591462df9274123e4a0a7a0f9ac808d61e89bc4
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SHA256
6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8
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SHA512
304f47dc418bd3ffaf3d0d5439f9b35e081a5936e52a8090a98e982707a822611e26f66f06bade0b204ceef1bc9c192ed86e735009f57b02bce401bd9e4c37f7
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SSDEEP
3072:y4kM0qrGtn3bzCYixmes29U38zbF1OSTOneRtg:y4+qiGxmesJQF1Baf
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\T: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\J: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\X: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\W: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\R: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\H: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\Z: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\O: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\N: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\L: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\K: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\I: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\F: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\E: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\Q: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\V: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\U: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\S: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\P: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\M: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\G: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened (read-only) \??\Y: 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 3936 2276 WerFault.exe 76 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2276 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe 2276 6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe"C:\Users\Admin\AppData\Local\Temp\6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2276 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 13162⤵
- Program crash
PID:3936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2276 -ip 22761⤵PID:4984
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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:3596