Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 13:52

General

  • Target

    92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe

  • Size

    7.0MB

  • MD5

    b2e8626b9c464940c199f257d17913d0

  • SHA1

    e341775837951fbcaf4d1883b6bb069132414d3a

  • SHA256

    92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0

  • SHA512

    14e57d5c89f51aef8a20b8284ee81079eaa8d1c8278d3e96dcf49345d2abef2eb2ca870f63b11e45f41b34d124aa0a21d6070930afa5d29504e4cdbbf3288c35

  • SSDEEP

    98304:cA+2LWamCm7fXxMLEO1s4lJ1okbGCz2AEpmRQvFLXDlfseNHK:g6v1hG/AEpmavFLXesHK

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 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\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.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:1088
    • C:\Users\Admin\AppData\Local\Temp\3582-490\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5008

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\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe

    Filesize

    7.0MB

    MD5

    55bdca35bcf6f38c475086e3b3540e8c

    SHA1

    84450bcbb564a2762ae43e83f6bb7b71e38593ba

    SHA256

    62c0fd4d1f7f53ea2e987949af7218e3acd0f492344fb4b22bccf25a734dd021

    SHA512

    8cf7110f3f9bf9c8cbc6089783cd1ad42a4144425defc8a31e818633cc28fc42590e2db81d67dbdd6cde27fd77e4dc4c8e5e4c0d1dd1a5acf79251d7f6f4ec88

  • memory/1088-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1088-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1088-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB