Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 01:13

General

  • Target
    16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe
  • Size 756KB
  • Sample240724-blhapszapp
  • SHA256 16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies registry class 1 IoCs
  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe
    "C:\Users\Admin\AppData\Local\Temp\16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3016
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qwyxUYwZbCeXJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3500
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qwyxUYwZbCeXJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8BC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4356
    • C:\Users\Admin\AppData\Local\Temp\16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe
      "C:\Users\Admin\AppData\Local\Temp\16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe"
      2⤵
      • Checks computer location settings
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 2d7e7ab04a8d4005c922fa7d496fc00d7c8f743e427c63cee35d64c0c01bed0d
        • MD5 SHA1 SHA512 SSDEEP

        16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31.exe
        • Size 716KB
        • SHA256 9343e70417d6d5d6db49c9fa263337c953183ec07f3ee524a43e6d3976cf5dd3
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_0j0ybage.3iw.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0j0ybage.3iw.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpD8BC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpD8BC.tmp
        • Size 1KB
        • SHA256 d11f094ec510083ac5f1de11862aeabfbef788a9f5ee2959c50145c8a0e6ec5a
        • MD5 SHA1 SHA512

        QWYXUY~1.EXE

        • Path C:\Users\Admin\AppData\Roaming\QWYXUY~1.EXE
        • Size 756KB
        • SHA256 16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31
        • MD5 SHA1 SHA512 SSDEEP

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 88a5de78b70d1164451d38d1415bbba1e374ffca345c089701e6a750212960f6
        • MD5 SHA1 SHA512 SSDEEP

        memory/2056-46-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2056-47-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3016-90-0x0000000007790000-0x0000000007E0A000-memory.dmp

        memory/3016-103-0x00000000073D0000-0x0000000007466000-memory.dmp

        memory/3016-16-0x0000000004FE0000-0x0000000005608000-memory.dmp

        memory/3016-17-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/3016-15-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/3016-182-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/3016-19-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/3016-162-0x0000000007470000-0x0000000007478000-memory.dmp

        memory/3016-28-0x0000000005700000-0x0000000005766000-memory.dmp

        memory/3016-27-0x0000000004F00000-0x0000000004F66000-memory.dmp

        memory/3016-155-0x0000000007490000-0x00000000074AA000-memory.dmp

        memory/3016-152-0x0000000007390000-0x00000000073A4000-memory.dmp

        memory/3016-20-0x0000000004E60000-0x0000000004E82000-memory.dmp

        memory/3016-34-0x0000000005970000-0x0000000005CC4000-memory.dmp

        memory/3016-151-0x0000000007380000-0x000000000738E000-memory.dmp

        memory/3016-106-0x0000000007350000-0x0000000007361000-memory.dmp

        memory/3016-14-0x0000000002510000-0x0000000002546000-memory.dmp

        memory/3016-102-0x00000000071C0000-0x00000000071CA000-memory.dmp

        memory/3016-91-0x0000000007150000-0x000000000716A000-memory.dmp

        memory/3016-75-0x0000000006FF0000-0x0000000007093000-memory.dmp

        memory/3016-64-0x00000000752F0000-0x000000007533C000-memory.dmp

        memory/3016-59-0x0000000005E10000-0x0000000005E2E000-memory.dmp

        memory/3016-62-0x0000000005EB0000-0x0000000005EFC000-memory.dmp

        memory/3016-63-0x0000000006400000-0x0000000006432000-memory.dmp

        memory/3016-74-0x00000000063E0000-0x00000000063FE000-memory.dmp

        memory/3500-92-0x00000000752F0000-0x000000007533C000-memory.dmp

        memory/3500-186-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/3500-21-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/3500-36-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/5068-35-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/5068-6-0x0000000005C40000-0x0000000005CDC000-memory.dmp

        memory/5068-7-0x0000000008650000-0x0000000008660000-memory.dmp

        memory/5068-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

        memory/5068-4-0x00000000059D0000-0x00000000059DA000-memory.dmp

        memory/5068-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

        memory/5068-8-0x0000000006BC0000-0x0000000006BCE000-memory.dmp

        memory/5068-9-0x0000000006C00000-0x0000000006C8E000-memory.dmp

        memory/5068-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

        memory/5068-18-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

        memory/5068-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

        memory/5068-1-0x0000000000ED0000-0x0000000000F94000-memory.dmp

        memory/5068-56-0x0000000074A40000-0x00000000751F0000-memory.dmp