Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 01:01

General

  • Target
    5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe
  • Size 777KB
  • Sample240715-bc8rastbna
  • SHA256 5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8
  • 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).

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe
    "C:\Users\Admin\AppData\Local\Temp\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:928
    • 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\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eiVfWxqyEFoV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eiVfWxqyEFoV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB863.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3512
    • C:\Users\Admin\AppData\Local\Temp\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe
      "C:\Users\Admin\AppData\Local\Temp\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe"
      2⤵
        PID:1288
      • C:\Users\Admin\AppData\Local\Temp\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe
        "C:\Users\Admin\AppData\Local\Temp\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe"
        2⤵
        • Checks computer location settings
        • Modifies system executable filetype association
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        PID:1676

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 4bab5e4f88b0fe76bc49a2bfb2fa4de5a0c7b0f97800c8197a933db2b1d004d8
          • MD5 SHA1 SHA512 SSDEEP

          5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3582-490\5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8.exe
          • Size 737KB
          • SHA256 88e7bc60f163ebd944e422155a0ec359e4ed493342fe3a94324ae549e543d69a
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_rauafjz4.qql.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rauafjz4.qql.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmpB863.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpB863.tmp
          • Size 1KB
          • SHA256 82344290366c3e080ec892e3bdd182fa153840c258a27e31fdff45ea6409442c
          • MD5 SHA1 SHA512

          EIVFWX~1.EXE

          • Path C:\Users\Admin\AppData\Roaming\EIVFWX~1.EXE
          • Size 777KB
          • SHA256 5ae5659de5b65e4f2c1352cfa09798c791c22a310e1aa438d0901c9eec501fc8
          • MD5 SHA1 SHA512 SSDEEP

          svchost.com

          • Path C:\Windows\svchost.com
          • Size 40KB
          • SHA256 f78457214e117dbcd8ee7afa47360b82de3141e7771077c653d4b8e847697043
          • MD5 SHA1 SHA512 SSDEEP

          memory/928-7-0x00000000064E0000-0x00000000064E8000-memory.dmp

          memory/928-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

          memory/928-9-0x0000000006550000-0x00000000065DE000-memory.dmp

          memory/928-10-0x00000000091B0000-0x000000000924C000-memory.dmp

          memory/928-6-0x0000000006CB0000-0x0000000006CC2000-memory.dmp

          memory/928-0-0x000000007517E000-0x000000007517F000-memory.dmp

          memory/928-8-0x00000000064F0000-0x00000000064FE000-memory.dmp

          memory/928-2-0x0000000005720000-0x0000000005CC4000-memory.dmp

          memory/928-50-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/928-4-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/928-1-0x0000000000770000-0x0000000000838000-memory.dmp

          memory/928-3-0x0000000005220000-0x00000000052B2000-memory.dmp

          memory/1676-46-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/1676-47-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/3376-161-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/3376-57-0x0000000006270000-0x000000000628E000-memory.dmp

          memory/3376-45-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/3376-59-0x0000000006300000-0x000000000634C000-memory.dmp

          memory/3376-78-0x00000000716B0000-0x00000000716FC000-memory.dmp

          memory/3376-24-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/3376-19-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/4076-16-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/4076-40-0x0000000005420000-0x0000000005774000-memory.dmp

          memory/4076-21-0x0000000004A30000-0x0000000004A52000-memory.dmp

          memory/4076-22-0x0000000005150000-0x00000000051B6000-memory.dmp

          memory/4076-63-0x0000000006990000-0x00000000069C2000-memory.dmp

          memory/4076-64-0x00000000716B0000-0x00000000716FC000-memory.dmp

          memory/4076-74-0x0000000006970000-0x000000000698E000-memory.dmp

          memory/4076-75-0x0000000006A10000-0x0000000006AB3000-memory.dmp

          memory/4076-76-0x0000000007380000-0x00000000079FA000-memory.dmp

          memory/4076-77-0x0000000006D40000-0x0000000006D5A000-memory.dmp

          memory/4076-23-0x00000000051C0000-0x0000000005226000-memory.dmp

          memory/4076-88-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

          memory/4076-89-0x0000000006FC0000-0x0000000007056000-memory.dmp

          memory/4076-90-0x0000000006F40000-0x0000000006F51000-memory.dmp

          memory/4076-105-0x0000000006F70000-0x0000000006F7E000-memory.dmp

          memory/4076-106-0x0000000006F80000-0x0000000006F94000-memory.dmp

          memory/4076-107-0x0000000007080000-0x000000000709A000-memory.dmp

          memory/4076-108-0x0000000007060000-0x0000000007068000-memory.dmp

          memory/4076-155-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/4076-25-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/4076-18-0x0000000075170000-0x0000000075920000-memory.dmp

          memory/4076-17-0x0000000004B20000-0x0000000005148000-memory.dmp

          memory/4076-15-0x00000000044B0000-0x00000000044E6000-memory.dmp