Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 15:44

General

  • Target

    1f8b73b9a494525297c68d6a958bb3ec56db79e0a4ea31c51789edaae1ce200c.exe

  • Size

    150KB

  • MD5

    c6d4ebc79863d03968c5eead6828b3cd

  • SHA1

    4b320bb1d8c7a4ef05dbdc5027b88a538acd1a00

  • SHA256

    1f8b73b9a494525297c68d6a958bb3ec56db79e0a4ea31c51789edaae1ce200c

  • SHA512

    d9d523a06288dc90d1f186d54017b2389db8bbf91ace1faa8d5b58fa21b77d5e81730ec38a596c30750a3d3e458df2fa914cd1570c01ba0f1cf977fbd2de887d

  • SSDEEP

    1536:JxqjQ+P04wsmJCh4wZzFtO79SrT8+tgpdhXW9ySQf1M03fR/Livh0:sr85ChNFSSPY8YSWu03fR/e0

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\1f8b73b9a494525297c68d6a958bb3ec56db79e0a4ea31c51789edaae1ce200c.exe
    "C:\Users\Admin\AppData\Local\Temp\1f8b73b9a494525297c68d6a958bb3ec56db79e0a4ea31c51789edaae1ce200c.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:3364

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\1f8b73b9a494525297c68d6a958bb3ec56db79e0a4ea31c51789edaae1ce200c.exe

    Filesize

    109KB

    MD5

    d6d11f9ddfe1cf729c00de65d309e3dc

    SHA1

    757f192573cb2a34a1fa9b0a28dc5dc04b796115

    SHA256

    3c54e76561e71e0a3b44574830afb4e22f8e5dbc3a0a7eb89275d12da81e0968

    SHA512

    bc7a05546e8375b0cd1cbdf6d26f49eaa444d53a8cde1d6928d2ac96857d4be53cf625330510994a388ece381a220beab81a60750acaa9123c0e166eeebbba15

  • memory/3364-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3364-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3364-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB