Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 00:29

General

  • Target

    b29cde4f1101f186c3e994f85e791567bb6440b743300f4a177920127181dcb9.exe

  • Size

    4.8MB

  • MD5

    3f223ef7d7ab594648d3a09a792885df

  • SHA1

    0e40edfeab4329d62340c21cece3adceeee87dd7

  • SHA256

    b29cde4f1101f186c3e994f85e791567bb6440b743300f4a177920127181dcb9

  • SHA512

    d9fe5a20621486b995e2a14a12a4707b7b5a5a99801ac339f58c9661133871f8b792a8040978c6f8ed10acd3d0752f76ecafea5563ddc1986827113bdcefe502

  • SSDEEP

    98304:IDESy1BP/OlsLzFmNfW6FJKxxfZA4d8aaNRQkZyZ1ARgD:jSyD8dRQk4Z1ARgD

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\b29cde4f1101f186c3e994f85e791567bb6440b743300f4a177920127181dcb9.exe
    "C:\Users\Admin\AppData\Local\Temp\b29cde4f1101f186c3e994f85e791567bb6440b743300f4a177920127181dcb9.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:4080

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\b29cde4f1101f186c3e994f85e791567bb6440b743300f4a177920127181dcb9.exe

    Filesize

    4.8MB

    MD5

    753fbc745e8a9ae7271f08c2d94ddb29

    SHA1

    ee959bf4e842d47f2d7d53a9a38f3bf8c8b1a581

    SHA256

    c88d9947277fd6d7114e0d48face50a392c8c789fe5f2963692de548f4ba7431

    SHA512

    aea96149b018f6ff20402a915aa1adb8e7b403e378286d1fe7588ddd59b956741a3075a6e758e6d481a344a1af463507e4fe07b14b44b3f9e98f85f75eacde3a

  • memory/4080-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4080-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4080-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB