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Analysis

  • max time kernel
    92s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 14:53

General

  • Target

    6113d465bdcfdb68db907ea3ca6ef14dbd3b166e7554bab271dc3aa2b3488621N.exe

  • Size

    1.1MB

  • MD5

    9121f55122a8bbf443163a6a215825c0

  • SHA1

    bc13f94f222fafae220dba7f49d1f3accdacd028

  • SHA256

    6113d465bdcfdb68db907ea3ca6ef14dbd3b166e7554bab271dc3aa2b3488621

  • SHA512

    f5b465d2da5395b1cf971a8c53b42da618c2b9bd03967c5e8e5b8e99066c8c6f0094dc9e97e355263ee639236f4b3bcfab585d00c9e35afb4b1770e4fb102ae4

  • SSDEEP

    12288:QZieLSoEq4rgwdMJSP81JFuJTtukZJyVqQnWSXho78tftKxKtsjWgcmIQwPNHtTl:neLSoMQStVZEgQt2QtFKWsjumbaNHNl

Malware Config

Signatures

  • 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 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 2 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6113d465bdcfdb68db907ea3ca6ef14dbd3b166e7554bab271dc3aa2b3488621N.exe
    "C:\Users\Admin\AppData\Local\Temp\6113d465bdcfdb68db907ea3ca6ef14dbd3b166e7554bab271dc3aa2b3488621N.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
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6113d465bdcfdb68db907ea3ca6ef14dbd3b166e7554bab271dc3aa2b3488621N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6113d465bdcfdb68db907ea3ca6ef14dbd3b166e7554bab271dc3aa2b3488621N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\6113d465bdcfdb68db907ea3ca6ef14dbd3b166e7554bab271dc3aa2b3488621N.exe

    Filesize

    1.1MB

    MD5

    6ff0a7f391f8a2538214656c87a04c3f

    SHA1

    01017ae8501db93d6a51bd5d3ff4bb0613b7e6ce

    SHA256

    cc6291460a4dfd8b708b5a2a3ea09f0ad56c52c70a374b0130ca9dece77a8e61

    SHA512

    c6f33dcecdff09cc6aa40789599c51916ed228a4508c51cea0ba769a38056ce7062614734a7e9362076a984b4f252d68e2b7f0688d94bac4ecf0866fb3860bd9

  • memory/1972-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1972-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1972-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB