Analysis

  • max time kernel
    93s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 10:07

General

  • Target

    86d8dd1c17dc48ed3ff7ac483617190d32f2ed816b20330c05ff11145cd73bad.exe

  • Size

    710KB

  • MD5

    23564d61a51959205b48cf5a7df71b3c

  • SHA1

    cb8247ed741217397ea703154881c96043f099c3

  • SHA256

    86d8dd1c17dc48ed3ff7ac483617190d32f2ed816b20330c05ff11145cd73bad

  • SHA512

    cc70d55f766fad0a38d7ced2214c29624753aa56617b96ee0ff0128cb57f5f0f2c6ef78524c9dcc95fa3be8b06a9562722b6606c5c251e46474f1e8941b1fb23

  • SSDEEP

    12288:QrkWEUIjAYljG6UdhtchNErjS+6y6KTIbIbjoPk/ekotv8IfZGtpHy/:ShYljLGh6hNErjS+6y6KWZ

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.

  • 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 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\86d8dd1c17dc48ed3ff7ac483617190d32f2ed816b20330c05ff11145cd73bad.exe
    "C:\Users\Admin\AppData\Local\Temp\86d8dd1c17dc48ed3ff7ac483617190d32f2ed816b20330c05ff11145cd73bad.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
    PID:1660

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\86d8dd1c17dc48ed3ff7ac483617190d32f2ed816b20330c05ff11145cd73bad.exe

    Filesize

    669KB

    MD5

    acfeea1bba1c74e8386dc4cfc1a223c1

    SHA1

    405c31fe11cdb8a7475c0275812cddfe0688b346

    SHA256

    dd662e78173195c72ed29beb4a930dcbdbe6b05a1edf4c0c214612e723f3f01d

    SHA512

    14cda3a00bc60b352d661c725aceb9ec6093f034135d9ac6ebc055ffc4b2cfb1e7761cde2800ffb5e51cd15db48de13ef5bfb356dec4262033cc5988577d1798

  • memory/1660-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1660-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1660-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB