Analysis

  • max time kernel
    94s
  • 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
    18-12-2024 04:38

General

  • Target

    a1eefbdee31b478fe02e0ff2a879855ed0f91d974bbb13cf3c2f122fd93085af.exe

  • Size

    9.5MB

  • MD5

    c7b5dd98a0d93e1b09584861df01ac28

  • SHA1

    0d00a2e800bdd6f183ffe440e4a6f2f981c081a7

  • SHA256

    a1eefbdee31b478fe02e0ff2a879855ed0f91d974bbb13cf3c2f122fd93085af

  • SHA512

    35b363493d13af16e8dd78f6216c315a484d8c82f3e1f27cd969e2db74691df4085c5951f191995e98d475a6c1a32af05058918e2a8ac16ff07a231ed8c663d5

  • SSDEEP

    196608:jSxCXFu0XtVa4c1kOcbx8+CwTVlj0Ovq8EccovnaW6f8WnsLt+H:9XFxI4c10TTzIh8EcZE8WnC4

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\a1eefbdee31b478fe02e0ff2a879855ed0f91d974bbb13cf3c2f122fd93085af.exe
    "C:\Users\Admin\AppData\Local\Temp\a1eefbdee31b478fe02e0ff2a879855ed0f91d974bbb13cf3c2f122fd93085af.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:4236

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\a1eefbdee31b478fe02e0ff2a879855ed0f91d974bbb13cf3c2f122fd93085af.exe

    Filesize

    9.5MB

    MD5

    61d9b3f42eef314d8cd8fb85b3cf77e9

    SHA1

    b86adffd3e61d13d07a1d78bb70f2eaf7dafc374

    SHA256

    1de33e2524389e6e82bfe81d1f3dde57e037e41f0e486428cd9f5eee6afbe820

    SHA512

    4a8ac2c98df78362d1d4a161e5a62640fb8083d2e5c88d917e9f0dc099ce6d2c8a75f1e12ec15986db826ea835945157a36a3a7968e15a6b49729826fe48ee25

  • memory/4236-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4236-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4236-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB