Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/07/2024, 01:32

General

  • Target
    7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91.exe
  • Size 204KB
  • Sample240731-bx71hatfpd
  • SHA256 7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91
  • 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.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • 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.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Kills process with taskkill 4 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91.exe
    "C:\Users\Admin\AppData\Local\Temp\7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91.exe"
    1⤵
    • 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
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1620
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:956
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Users\Admin\AppData\Roaming\BOTKIL~1.EXE"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4408
        • C:\Users\Admin\AppData\Roaming\BOTKIL~1.EXE
          C:\Users\Admin\AppData\Roaming\BOTKIL~1.EXE
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1864
          • C:\Windows\SysWOW64\TASKKILL.exe
            TASKKILL /F /IM wscript.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3888
          • C:\Windows\SysWOW64\TASKKILL.exe
            TASKKILL /F /IM cmd.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1172

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        AcroRd32.exe

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
        • Size 2.4MB
        • SHA256 bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a
        • MD5 SHA1 SHA512 SSDEEP

        7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\7ec25d04e1d0a9c9482018473509d14dded166514af2b3351fcdc0af8ad56a91.exe
        • Size 163KB
        • SHA256 1adf26633c17278c9b930529b164637a8942cbb1f3267afafec63b56de51dd96
        • MD5 SHA1 SHA512 SSDEEP

        tmp5023.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5023.tmp
        • Size 8B
        • SHA256 6fc97030e414940bc1f523e66163a955d72dfe420a528f293aceb6931b91a2c0
        • MD5 SHA1 SHA512

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 d60208f3894f4556caae5ed2297c0ef1593a4a66f5af8f3f2e44a8f2896bbf8e
        • MD5 SHA1 SHA512 SSDEEP

        memory/2336-123-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2336-105-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2336-121-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4408-124-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4408-127-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/5044-12-0x0000000073520000-0x0000000073AD1000-memory.dmp

        memory/5044-120-0x0000000073520000-0x0000000073AD1000-memory.dmp

        memory/5044-11-0x0000000073520000-0x0000000073AD1000-memory.dmp

        memory/5044-10-0x0000000073522000-0x0000000073523000-memory.dmp