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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2024, 22:45

General

  • Target

    1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe

  • Size

    3.5MB

  • MD5

    0c55d8379c59e8f644d1a80f7990a2e6

  • SHA1

    aa4354820ae30f392917bad28bb6de63c137f5b0

  • SHA256

    1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00

  • SHA512

    accaf40ff5c27138d1c136f3ec2e52c9d88c8fd0696bf4a749b083ed46c60acffb63cc1643994bcec9c3fa15e9281a5b8fa22f818e6f5ad6788c1333e3f1afc1

  • SSDEEP

    49152:57j46kEtX1+V/Hq0FxMTa2C1kaHUToUXMX2zGJ4C6D:5kPi08TAVX5GC8

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
  • Loads dropped DLL 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe
    "C:\Users\Admin\AppData\Local\Temp\1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe"
    1⤵
    • Loads dropped DLL
    • 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:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    e0f2257e0ad4b04429c932673ead4884

    SHA1

    352fcc1fe1019cd069ab52b409b31bbd0a08ea9a

    SHA256

    6e11a49479c1d2b35f15901b0700e307712338f343e1c03fcfe715946fab5969

    SHA512

    d77e790e63b1b2307df2ef0bb774bcbfa5cdc716764050dfa055a23449cffa5c6f61759b0819712f3e3be06037cbc3469082ba2b02af990017f28658f0103763

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2956-0-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2956-81-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2956-82-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2956-85-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB