Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 10 IoCs
  • Neshta

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

  • 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 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe
    "C:\Users\Admin\AppData\Local\Temp\76622c137db68b98079b71668b39f8bed0c61f065f95a272de4fd34e578f7afe.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1904
    • 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:2200

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

    a40427e3788637e741fb69ea8d76cd52

    SHA1

    f8c8c7ec493e32a7573d90ce400fccd79fc98f31

    SHA256

    18dcc8fae245869d02b7db0edbe22ec57a30bdd51a64090452118a79ba194052

    SHA512

    e6b688d4ad0506c74db323b50a2588472f45e66da2a3456450aea96d93882b13662f8b3bbed7773180f5bec851a31d2e45262ecb9283b425c60c8caa06d56ca2

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

    Filesize

    257KB

    MD5

    24b9ba271bc87c8b9fc05a688923652f

    SHA1

    32db86ed51c1992aa4b70c05b02755494a765e0b

    SHA256

    73ead84989b57c0c655f5ad89fe207db0adece935cc4a5704a890c4cc74deed1

    SHA512

    0d3c36d5c462e5cdb1f0b81401dde9da05e4bad8bc2fd5ad7f8dd5d0bb5c0d28e67d6e36cb30ff0e167220292bd2cfeb68de0bf1f88a9b0adff8c5b703127a44

  • memory/1904-0-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-103-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-104-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-105-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-106-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-108-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-109-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-110-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1904-112-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB