Analysis

  • max time kernel
    148s
  • 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
    25-01-2025 03:26

General

  • Target

    9380ef44e444ccd3c382cfb7f4ba9f4c874445f250725bc471ccbfaaa9cbccaa.exe

  • Size

    92KB

  • MD5

    316757449e065397bd00644bc7ad2434

  • SHA1

    c1598fd96d81db167a27634f7f9c6223b01b085d

  • SHA256

    9380ef44e444ccd3c382cfb7f4ba9f4c874445f250725bc471ccbfaaa9cbccaa

  • SHA512

    0d4616a1920374f010863fdb01a8ec223853e808bbd78d723de8d28b8da77dfbf891625168e40fc8a2ee3dfc1b9c6db4323441e874b0a38baa3d9e1e6b77345b

  • SSDEEP

    1536:JxqjQ+P04wsmJCe7WbCF2/8Fei0MxIWBxDfkrsuLyPBGzut:sr85Ce7WbCF2/8kjWBVsIuLAGzut

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.

  • 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 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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9380ef44e444ccd3c382cfb7f4ba9f4c874445f250725bc471ccbfaaa9cbccaa.exe
    "C:\Users\Admin\AppData\Local\Temp\9380ef44e444ccd3c382cfb7f4ba9f4c874445f250725bc471ccbfaaa9cbccaa.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:4688
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9380ef44e444ccd3c382cfb7f4ba9f4c874445f250725bc471ccbfaaa9cbccaa.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9380ef44e444ccd3c382cfb7f4ba9f4c874445f250725bc471ccbfaaa9cbccaa.exe"
      2⤵
      • Executes dropped EXE
      PID:432

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\9380ef44e444ccd3c382cfb7f4ba9f4c874445f250725bc471ccbfaaa9cbccaa.exe

    Filesize

    52KB

    MD5

    d89b7e1ddb0b7146a936381cfac9d654

    SHA1

    196a1fc6ea2577cead6efa387aa9d85617d86593

    SHA256

    0bd20828b8c064d7bdf378a8bd12811bbcf1cbb403af8ebaed0b990d72e25cb2

    SHA512

    b3e0a014ba349561b0500f7964ec0f18390c4da539bd2f089593f4b5dba1dba8d22e90afae1e464434a8b2e27b6596ab2b906191ed421b0907b1e79c28ef1552

  • memory/4688-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4688-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4688-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB