Analysis
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max time kernel
153s -
max time network
56s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-08-2022 10:17
Static task
static1
Behavioral task
behavioral1
Sample
b5930c6fbf0ecde4de2ba77415b97e18.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b5930c6fbf0ecde4de2ba77415b97e18.exe
Resource
win10v2004-20220812-en
General
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Target
b5930c6fbf0ecde4de2ba77415b97e18.exe
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Size
37KB
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MD5
b5930c6fbf0ecde4de2ba77415b97e18
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SHA1
67cab99dc14822289f9b8d1f0fb0e9d73ff45825
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SHA256
fe2a9057323a5a5d47a4ab3cf9f4f9f86037b395c440da7bfb1e4164bc10abc3
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SHA512
63140881d7b03db395608b1fe095b0989aa2d87d017ae63eea34c8b3e04c3274ccc7ee31a4505c8334af1300844c4aec30a6a25dc692a34ec699b728a85620ea
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SSDEEP
384:O9kt7+7uIb00ERLA6m8KXAX3H3JGm9bN1v5N9EJqgxWUrxMKQ4XyY:vNTIcI8tX9B55gqgxWFKQiH
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
b5930c6fbf0ecde4de2ba77415b97e18.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Amkufwqq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zsiicjamy\\Amkufwqq.exe\"" b5930c6fbf0ecde4de2ba77415b97e18.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b5930c6fbf0ecde4de2ba77415b97e18.exedescription pid process target process PID 916 set thread context of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI InstallUtil.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI InstallUtil.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeb5930c6fbf0ecde4de2ba77415b97e18.exeInstallUtil.exepid process 1272 powershell.exe 916 b5930c6fbf0ecde4de2ba77415b97e18.exe 336 InstallUtil.exe 336 InstallUtil.exe 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 1216 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
InstallUtil.exepid process 336 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b5930c6fbf0ecde4de2ba77415b97e18.exepowershell.exedescription pid process Token: SeDebugPrivilege 916 b5930c6fbf0ecde4de2ba77415b97e18.exe Token: SeDebugPrivilege 1272 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
b5930c6fbf0ecde4de2ba77415b97e18.exedescription pid process target process PID 916 wrote to memory of 1272 916 b5930c6fbf0ecde4de2ba77415b97e18.exe powershell.exe PID 916 wrote to memory of 1272 916 b5930c6fbf0ecde4de2ba77415b97e18.exe powershell.exe PID 916 wrote to memory of 1272 916 b5930c6fbf0ecde4de2ba77415b97e18.exe powershell.exe PID 916 wrote to memory of 1272 916 b5930c6fbf0ecde4de2ba77415b97e18.exe powershell.exe PID 916 wrote to memory of 600 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 600 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 600 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 600 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 600 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 600 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 600 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe PID 916 wrote to memory of 336 916 b5930c6fbf0ecde4de2ba77415b97e18.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5930c6fbf0ecde4de2ba77415b97e18.exe"C:\Users\Admin\AppData\Local\Temp\b5930c6fbf0ecde4de2ba77415b97e18.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1272 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵PID:600
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:336