Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-04-2024 22:47

General

  • Target

    76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe

  • Size

    298KB

  • MD5

    7bd55bc01d12f96f6341bf2a9af40b91

  • SHA1

    9d330ac5d1052c58da750ef0a2ed22cda65c6ac4

  • SHA256

    76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe

  • SHA512

    0bf375a4998f5d29a65958be0565eff4d8a7125f1287a7d8978db4096ecf823052dc8b3e20cabf705488192d8944438a154f004ba8d34533d68b827193444582

  • SSDEEP

    6144:w9dQklYcCQA+BTItoZvebFtUJO4KJC2ZsBla1K:BklYzR+7TEZQOK

Malware Config

Signatures

  • Detect Neshta payload 8 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe
    "C:\Users\Admin\AppData\Local\Temp\76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Users\Admin\AppData\Local\Temp\3582-490\76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe"
      2⤵
      • Executes dropped EXE
      PID:928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

  • \Users\Admin\AppData\Local\Temp\3582-490\76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe

    Filesize

    257KB

    MD5

    24b9ba271bc87c8b9fc05a688923652f

    SHA1

    32db86ed51c1992aa4b70c05b02755494a765e0b

    SHA256

    73ead84989b57c0c655f5ad89fe207db0adece935cc4a5704a890c4cc74deed1

    SHA512

    0d3c36d5c462e5cdb1f0b81401dde9da05e4bad8bc2fd5ad7f8dd5d0bb5c0d28e67d6e36cb30ff0e167220292bd2cfeb68de0bf1f88a9b0adff8c5b703127a44

  • memory/2772-0-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2772-84-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2772-85-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2772-86-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2772-87-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2772-88-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2772-90-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB