Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 23:42

General

  • Target

    f000e16cdac8fe0a19fa2fb4982686a3314bd51ef0f3c39035fda0a86bbb5851N.exe

  • Size

    207KB

  • MD5

    58bc7e5c926f98984c8ef96239189860

  • SHA1

    80ff3e8c1d600620b55788edc633d12d6951fd5c

  • SHA256

    f000e16cdac8fe0a19fa2fb4982686a3314bd51ef0f3c39035fda0a86bbb5851

  • SHA512

    ccfaf932df9dee6271bebfda0388741ec1f9aa1711d84861197862329a5d551e02f32af3ba8c2d33259463c7af3ff1cead0b3c88c2ce6495b88fa7ba1d0a4dbf

  • SSDEEP

    3072:sr85CeaMkr+K3+GuIcen5i/B8DAptm7B8DApFEqfd:k9zMkad/8Dx98DKJ

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • 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 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f000e16cdac8fe0a19fa2fb4982686a3314bd51ef0f3c39035fda0a86bbb5851N.exe
    "C:\Users\Admin\AppData\Local\Temp\f000e16cdac8fe0a19fa2fb4982686a3314bd51ef0f3c39035fda0a86bbb5851N.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:2224
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f000e16cdac8fe0a19fa2fb4982686a3314bd51ef0f3c39035fda0a86bbb5851N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f000e16cdac8fe0a19fa2fb4982686a3314bd51ef0f3c39035fda0a86bbb5851N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 2008
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\f000e16cdac8fe0a19fa2fb4982686a3314bd51ef0f3c39035fda0a86bbb5851N.exe

    Filesize

    167KB

    MD5

    196f878d234c56e437806f6a8eca0591

    SHA1

    687522c7fd8a3034dfb7b1313075545de6b29293

    SHA256

    d3249f647f3f86fb4b00ff950892e0ac97dadf70c3cd7d16b7e8537be3bf54af

    SHA512

    aee56bb03f47c3bd8f089ad3e4836066a41d6abf6a9385b464209417bb2a27a3cb5b990db4392a1a4a97581a97fbfec5517fba90cc634ba6b8ca400a6df8fccf

  • memory/964-12-0x00000000733F2000-0x00000000733F3000-memory.dmp

    Filesize

    4KB

  • memory/964-13-0x00000000733F0000-0x00000000739A1000-memory.dmp

    Filesize

    5.7MB

  • memory/964-14-0x00000000733F0000-0x00000000739A1000-memory.dmp

    Filesize

    5.7MB

  • memory/964-71-0x00000000733F0000-0x00000000739A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2224-122-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2224-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2224-124-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2224-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB