Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 21:51

General

  • Target

    f8fc244ae4f60dc81882a032fffe52ac2e908077456ff40a76017286ffae5448.exe

  • Size

    1.3MB

  • MD5

    5d9c08c7233fa9184e5aacc93aca8123

  • SHA1

    9f51442cba78630ca4d7af6e2a20230453a1e1a9

  • SHA256

    f8fc244ae4f60dc81882a032fffe52ac2e908077456ff40a76017286ffae5448

  • SHA512

    990864643b0643287eb82cae61f3b768dee2028b1a212f69f05b311ff5fb7c8c65603f56d5aa1388f47ef8358daaf6cb3b37f47e7def97392f2b061099b24581

  • SSDEEP

    24576:fT29Y8Hasfku/oUbWJE/+595N/D3ET7YN2W2sN4:fWLNoguz59j/D3ZjN4

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\f8fc244ae4f60dc81882a032fffe52ac2e908077456ff40a76017286ffae5448.exe
    "C:\Users\Admin\AppData\Local\Temp\f8fc244ae4f60dc81882a032fffe52ac2e908077456ff40a76017286ffae5448.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:3940

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\f8fc244ae4f60dc81882a032fffe52ac2e908077456ff40a76017286ffae5448.exe

    Filesize

    1.3MB

    MD5

    89ba16ed72dfd8727c4e8fd31afd3152

    SHA1

    6fd769c2b5853e3f6342982e3762b48da8999063

    SHA256

    380733803cdd6128f07a3944d316936a7f1c3f5bc5d5d5cffdcf11a745ae4899

    SHA512

    351b6b19e9494a04a243721986ca9c91608edd7f8360a369ccd33079152115de651891335999ab412061f57c0b3b6bc30d92fa59f0b7624400690d3a0902caf5

  • memory/3940-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3940-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3940-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB