Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/11/2026, 07:29

General

  • Target
    Pe32-v4.2.2.exe
  • Size 2.6MB
  • Sample261113-jbcaps113j
  • SHA256 9602dccb00d5a14aad4cb3df5834f8af5f04330a7de7d61d2b559b1e1665fe57
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Neshta

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

  • Detect Neshta payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies file permissions 1 TTPs 20 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 1 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
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pe32-v4.2.2.exe
    "C:\Users\Admin\AppData\Local\Temp\Pe32-v4.2.2.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:3132
    • C:\Users\Admin\AppData\Local\Temp\3582-490\Pe32-v4.2.2.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\Pe32-v4.2.2.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:1340
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:2684
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:3700
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:3520
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:2136
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:4052
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:5736
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:3432
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:4688
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:4860
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:1080
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:6044
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:592
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:5816
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:5032
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:4016
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:4752
      • C:\Windows\system32\icacls.exe
        "icacls" C:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:5088
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /reset
        3⤵
        • Modifies file permissions
        PID:4184
      • C:\Windows\system32\icacls.exe
        "icacls" F:\PE32-KEY\context.pe32c /inheritance:r /grant MJXKMXFQ\Admin:F
        3⤵
        • Modifies file permissions
        PID:4216

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        context.pe32c

        • Path C:\PE32-KEY\context.pe32c
        • Size 2KB
        • SHA256 b218d40fc72a6260538860c5f51b200a27e0cb7201614aa330c70377eda3ff28
        • MD5 SHA1 SHA512 TLSH

        context.pe32c

        • Path C:\PE32-KEY\context.pe32c
        • Size 4KB
        • SHA256 4402c24e1cd6c76bd4e9f4b32545075b3389ceb9cd667779f70f7f5ca225870b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        context.pe32c

        • Path C:\PE32-KEY\context.pe32c
        • Size 6KB
        • SHA256 28a9a38902690ebee14cd777231642c34a1475fa6490d2cad93ab918176463a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        context.pe32c

        • Path C:\PE32-KEY\context.pe32c
        • Size 8KB
        • SHA256 2cc6cd60511da08e3c18dda67f6d6cef4107e100ad1737125f4802397e680f9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        context.pe32c

        • Path C:\PE32-KEY\context.pe32c
        • Size 10KB
        • SHA256 eae4914ee8418723db71a4b3b51afd917500e015fcc3dc463b324c7f3f4601c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcroRd32.exe

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
        • Size 2.4MB
        • SHA256 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Pe32-v4.2.2.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\Pe32-v4.2.2.exe
        • Size 2.6MB
        • SHA256 f3cfaf8e583dfbe20d23ca8b9e41c6fb0a13d26a74099b5b93032744cd2315b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3132-152-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3132-153-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3132-155-0x0000000000400000-0x000000000041B000-memory.dmp