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
    02-01-2025 04:59

General

  • Target

    ab019a7468ddacaa3acd6dbee5f14d12db9b0b83e98b2d3ecfc605e68cd22c9dN.exe

  • Size

    2.9MB

  • MD5

    2f7baf5d479813d22f2800dfc2006c70

  • SHA1

    950c236e8e56091dca60572ad71528be87fc640a

  • SHA256

    ab019a7468ddacaa3acd6dbee5f14d12db9b0b83e98b2d3ecfc605e68cd22c9d

  • SHA512

    0eed81192548b3a3767e0651cf15e7478689cdff0201ef78e5ee7056a8b199887de881cf565e7e746d343d4d144fc3f5e6d9515f49531e41aa0c6432e3ce177c

  • SSDEEP

    49152:2JwSihjOb6GLb4SKEs3DyOMC2DlUt0+yO3A32ASNTvuuL:OwSi0b67zeCzt0+yO3kST

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.

  • 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).

  • 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\ab019a7468ddacaa3acd6dbee5f14d12db9b0b83e98b2d3ecfc605e68cd22c9dN.exe
    "C:\Users\Admin\AppData\Local\Temp\ab019a7468ddacaa3acd6dbee5f14d12db9b0b83e98b2d3ecfc605e68cd22c9dN.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:3012
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ab019a7468ddacaa3acd6dbee5f14d12db9b0b83e98b2d3ecfc605e68cd22c9dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ab019a7468ddacaa3acd6dbee5f14d12db9b0b83e98b2d3ecfc605e68cd22c9dN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:396

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\ab019a7468ddacaa3acd6dbee5f14d12db9b0b83e98b2d3ecfc605e68cd22c9dN.exe

    Filesize

    2.9MB

    MD5

    9786a1deffe0f62741e0d26e4f7ea276

    SHA1

    c122465506d5ccae32a337568a19718d6229c9a2

    SHA256

    3f024cd40c229bc635bc284984d1ec8bac6457cb82e5d591a4a06deba11ff038

    SHA512

    690eb61f10a6090e255ea8612fd6b1d7a172a18ea0a0cdbb3efcb78b1652ecd374764ce407578b00d1d32ee7e16c3ed286b1d96109f938fd0c0cc06ab39eee32

  • memory/396-11-0x00000000027E0000-0x00000000027E1000-memory.dmp

    Filesize

    4KB

  • memory/396-96-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/3012-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3012-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3012-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3012-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB