Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    11-02-2024 19:52

General

  • Target

    ExodusMiner.exe

  • Size

    229KB

  • MD5

    610f270e3e1354a9e9cf73268e6d3835

  • SHA1

    a5cbce545de815e3ff3ed7e2a74deb7dc059d85e

  • SHA256

    3abc7ea28aaa722243f21aa1f31ea191961e91babe16432c69fbb413d8b9e924

  • SHA512

    0ec59177be33aa54033b6f3081200500aa63e11c7df6990db9360f3d044ecd3ffb3d51370967c1e16fac03284e092cfd9bc41e04c9e76f953f786a1a54e9c55a

  • SSDEEP

    6144:dloZMPrIkd8g+EtXHkv/iD4jrwQjpaC9lop7mGzOfdb8e1mtdi:/oZIL+EP8jrwQjpaC9lop7mGzO1M0

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 2 IoCs
  • Umbral

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

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 2 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ExodusMiner.exe
    "C:\Users\Admin\AppData\Local\Temp\ExodusMiner.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ExodusMiner.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • 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⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3004
    • 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:1996
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1616
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
        PID:2728
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2100
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic" path win32_VideoController get name
        2⤵
        • Detects videocard installed
        PID:1236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6NJEMS2ZM5M5IP5D2CYJ.temp

      Filesize

      7KB

      MD5

      78a8b8f612ab4ee15d8228c5e3924f73

      SHA1

      9b65f55d0bc17e65e5cd9218588a3a5dfd95b634

      SHA256

      a0024274f4df5b75b0b59a883962a133b78dc8f964562a2eae31ce50e2e0524b

      SHA512

      3a2f08feb2d065e6aa6984973df83e65456e7862cd14ecd75c30f3cdbd33c9adafc1c0d73d9e419415f20e05b1018a095a9aa19f0f292d5520f07676d03091fa

    • memory/1996-77-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/1996-78-0x000007FEECE30000-0x000007FEED7CD000-memory.dmp

      Filesize

      9.6MB

    • memory/1996-72-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/1996-71-0x000007FEECE30000-0x000007FEED7CD000-memory.dmp

      Filesize

      9.6MB

    • memory/1996-73-0x000007FEECE30000-0x000007FEED7CD000-memory.dmp

      Filesize

      9.6MB

    • memory/1996-74-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/1996-76-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/2100-92-0x0000000002A70000-0x0000000002AF0000-memory.dmp

      Filesize

      512KB

    • memory/2100-88-0x000000001B690000-0x000000001B972000-memory.dmp

      Filesize

      2.9MB

    • memory/2100-89-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/2100-90-0x0000000002A70000-0x0000000002AF0000-memory.dmp

      Filesize

      512KB

    • memory/2100-95-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/2100-94-0x0000000002A70000-0x0000000002AF0000-memory.dmp

      Filesize

      512KB

    • memory/2100-93-0x0000000002A70000-0x0000000002AF0000-memory.dmp

      Filesize

      512KB

    • memory/2100-91-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/2616-37-0x00000000022C0000-0x00000000022C8000-memory.dmp

      Filesize

      32KB

    • memory/2616-36-0x000007FEECE30000-0x000007FEED7CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2616-41-0x0000000002840000-0x00000000028C0000-memory.dmp

      Filesize

      512KB

    • memory/2616-42-0x0000000002840000-0x00000000028C0000-memory.dmp

      Filesize

      512KB

    • memory/2616-43-0x0000000002840000-0x00000000028C0000-memory.dmp

      Filesize

      512KB

    • memory/2616-44-0x000007FEECE30000-0x000007FEED7CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2616-35-0x000000001B440000-0x000000001B722000-memory.dmp

      Filesize

      2.9MB

    • memory/2616-39-0x000007FEECE30000-0x000007FEED7CD000-memory.dmp

      Filesize

      9.6MB

    • memory/2616-38-0x0000000002840000-0x00000000028C0000-memory.dmp

      Filesize

      512KB

    • memory/2616-40-0x0000000002840000-0x00000000028C0000-memory.dmp

      Filesize

      512KB

    • memory/2656-21-0x000000001B640000-0x000000001B922000-memory.dmp

      Filesize

      2.9MB

    • memory/2656-28-0x0000000002A10000-0x0000000002A90000-memory.dmp

      Filesize

      512KB

    • memory/2656-27-0x0000000002A10000-0x0000000002A90000-memory.dmp

      Filesize

      512KB

    • memory/2656-26-0x0000000002A10000-0x0000000002A90000-memory.dmp

      Filesize

      512KB

    • memory/2656-22-0x0000000001D70000-0x0000000001D78000-memory.dmp

      Filesize

      32KB

    • memory/2656-24-0x0000000002A10000-0x0000000002A90000-memory.dmp

      Filesize

      512KB

    • memory/2656-23-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/2656-25-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/2656-29-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/2936-2-0x000000001B0B0000-0x000000001B130000-memory.dmp

      Filesize

      512KB

    • memory/2936-75-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2936-0-0x00000000003D0000-0x0000000000410000-memory.dmp

      Filesize

      256KB

    • memory/2936-1-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2936-87-0x000000001B0B0000-0x000000001B130000-memory.dmp

      Filesize

      512KB

    • memory/2936-99-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

      Filesize

      9.9MB

    • memory/3004-58-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/3004-59-0x0000000002B90000-0x0000000002C10000-memory.dmp

      Filesize

      512KB

    • memory/3004-63-0x0000000002B90000-0x0000000002C10000-memory.dmp

      Filesize

      512KB

    • memory/3004-64-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/3004-62-0x0000000002B90000-0x0000000002C10000-memory.dmp

      Filesize

      512KB

    • memory/3004-60-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

      Filesize

      9.6MB

    • memory/3004-61-0x0000000002B90000-0x0000000002C10000-memory.dmp

      Filesize

      512KB