Analysis
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max time kernel
151s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 10:11
Static task
static1
Behavioral task
behavioral1
Sample
000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe
Resource
win10v2004-20220812-en
General
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Target
000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe
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Size
462KB
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MD5
de8e42d6fcf6317889264fd8ac46331d
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SHA1
94d2f603504332f7330cc4032adea18d93bc2ee3
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SHA256
000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e
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SHA512
a31ca15e31f56cb0110a11821cde008da58ce62a5a4f6c7c742867987d42b7426ea63bb609632eacedb0b744152d3ab914bdeeeb287cfddff41801d3ed92b50a
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SSDEEP
12288:MHX57zl29a/kCGZ+qFZhWUB3eTq3s0BFBs2:m57x29AujWUBj3TBFB
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Explorer.exepid process 744 Explorer.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
Explorer.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7d31449cc24545e5baf7b7e98c5e61d9.exe Explorer.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7d31449cc24545e5baf7b7e98c5e61d9.exe Explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\7d31449cc24545e5baf7b7e98c5e61d9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Explorer.exe\" .." Explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7d31449cc24545e5baf7b7e98c5e61d9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Explorer.exe\" .." Explorer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 24 IoCs
Processes:
000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exeExplorer.exepid process 2020 000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe 744 Explorer.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exeExplorer.exedescription pid process Token: SeDebugPrivilege 2020 000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe Token: SeDebugPrivilege 744 Explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exeExplorer.exedescription pid process target process PID 2020 wrote to memory of 744 2020 000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe Explorer.exe PID 2020 wrote to memory of 744 2020 000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe Explorer.exe PID 2020 wrote to memory of 744 2020 000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe Explorer.exe PID 744 wrote to memory of 772 744 Explorer.exe netsh.exe PID 744 wrote to memory of 772 744 Explorer.exe netsh.exe PID 744 wrote to memory of 772 744 Explorer.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe"C:\Users\Admin\AppData\Local\Temp\000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Roaming\Explorer.exe"C:\Users\Admin\AppData\Roaming\Explorer.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\system32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Explorer.exe" "Explorer.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:772
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
462KB
MD5de8e42d6fcf6317889264fd8ac46331d
SHA194d2f603504332f7330cc4032adea18d93bc2ee3
SHA256000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e
SHA512a31ca15e31f56cb0110a11821cde008da58ce62a5a4f6c7c742867987d42b7426ea63bb609632eacedb0b744152d3ab914bdeeeb287cfddff41801d3ed92b50a
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Filesize
462KB
MD5de8e42d6fcf6317889264fd8ac46331d
SHA194d2f603504332f7330cc4032adea18d93bc2ee3
SHA256000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e
SHA512a31ca15e31f56cb0110a11821cde008da58ce62a5a4f6c7c742867987d42b7426ea63bb609632eacedb0b744152d3ab914bdeeeb287cfddff41801d3ed92b50a