Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 15:33

General

  • Target

    07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe

  • Size

    1.0MB

  • MD5

    f2bf7c14d662b8276fea6ffa17461610

  • SHA1

    d7a5a584d11fb59eb3a7e402aeb9b676410e7b68

  • SHA256

    07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3

  • SHA512

    fe218a26462636f9d35b49bf7bb1cba80bb3eb2bd1488ef98c5a5bc4564f1e370e6069cb2b58d0a319f461de84ea5580842d7c069e6c4c3f99f76ae2f83add7d

  • SSDEEP

    24576:DzXlKZSxpJUlwtC/jCQ6tGh91Ds9H2LUVMhmP3oRaEZ/XAs1:DzXlnAlwtCbM891YVH6/XT

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 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\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe
    "C:\Users\Admin\AppData\Local\Temp\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.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:1992
    • C:\Users\Admin\AppData\Local\Temp\3582-490\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe"
      2⤵
      • Executes dropped EXE
      PID:5040

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\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe

    Filesize

    1014KB

    MD5

    5e807b5dad1b6c81982037c714dc9aef

    SHA1

    2b818f50c0ce821cd0278c714e57cb591b89b715

    SHA256

    ac94fbb73ebd0ce13aea7c1afcba0df9a646cbe5795e804fa0c0ac4eba259e16

    SHA512

    665ea8069e8d75089ef9292dd6f07e19fa7f7fa1294d44f45d017bced0d16c8281260bca4ac7896acbb0dffb483bfb13ba4298d767a4bb1a91d9fa437d6becfe

  • memory/1992-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1992-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1992-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1992-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB