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Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2025, 21:16

General

  • Target

    2c0059ed9882d237d1f5f53333a682c6d0cfd7375e3cf98daa411e1c4a5babd1.exe

  • Size

    210KB

  • MD5

    0264b44dbcf6d4441e12e240598a57b9

  • SHA1

    a78c6402b0ddd23912439dd2636e314ab9852a45

  • SHA256

    2c0059ed9882d237d1f5f53333a682c6d0cfd7375e3cf98daa411e1c4a5babd1

  • SHA512

    6b289bd198acae969839e207877d810317c0eaeef0af86f2ddabfcbf427bce8d4ab8496e4be467d71619412db201a51d040a562ee581e54fbda727b9185ce7e4

  • SSDEEP

    3072:sr85CprE/kSjt5WvtocBs+sP4sUZeHrsvHFPHQX:k9pw/kSjvWvtVBszPvUsHr8lPHI

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c0059ed9882d237d1f5f53333a682c6d0cfd7375e3cf98daa411e1c4a5babd1.exe
    "C:\Users\Admin\AppData\Local\Temp\2c0059ed9882d237d1f5f53333a682c6d0cfd7375e3cf98daa411e1c4a5babd1.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:4216
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2c0059ed9882d237d1f5f53333a682c6d0cfd7375e3cf98daa411e1c4a5babd1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2c0059ed9882d237d1f5f53333a682c6d0cfd7375e3cf98daa411e1c4a5babd1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 2196
        3⤵
        • Program crash
        PID:4088
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 2244
        3⤵
        • Program crash
        PID:3036
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1572 -ip 1572
    1⤵
      PID:2424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1572 -ip 1572
      1⤵
        PID:2680

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

        Filesize

        86KB

        MD5

        3b73078a714bf61d1c19ebc3afc0e454

        SHA1

        9abeabd74613a2f533e2244c9ee6f967188e4e7e

        SHA256

        ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

        SHA512

        75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

      • C:\Users\Admin\AppData\Local\Temp\3582-490\2c0059ed9882d237d1f5f53333a682c6d0cfd7375e3cf98daa411e1c4a5babd1.exe

        Filesize

        170KB

        MD5

        7e6ca78146d74a0e2ed2267778f5703c

        SHA1

        d56bf5c90694cc0bb75e35e14b0ac7adb6b008ca

        SHA256

        9014715288d2d098fe82866f9ca59b81872628e916e8c71aab300cfb49f08338

        SHA512

        c6b2adca3369aeeaf10207e4772600458af64ce1bca85697ac42acc11dea70dec303680e1c56ec77361c828fecaf09e6e4069f905e5cee98e1563f3a393d110f

      • memory/1572-12-0x00000000731BE000-0x00000000731BF000-memory.dmp

        Filesize

        4KB

      • memory/1572-13-0x0000000000670000-0x000000000069E000-memory.dmp

        Filesize

        184KB

      • memory/1572-14-0x00000000731B0000-0x0000000073960000-memory.dmp

        Filesize

        7.7MB

      • memory/1572-15-0x0000000005C10000-0x0000000005C18000-memory.dmp

        Filesize

        32KB

      • memory/1572-108-0x00000000731B0000-0x0000000073960000-memory.dmp

        Filesize

        7.7MB

      • memory/4216-109-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/4216-110-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/4216-112-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB