Analysis

  • max time kernel
    94s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 08:02

General

  • Target

    c3f4e8bc30d3996bf33dd018ec35770423e06f78293d1d87dffc682db2903aa0.exe

  • Size

    1.2MB

  • MD5

    cc1d84e5ea2546be97f8dc2e6bafd462

  • SHA1

    316dba4436e30161a3365bd44eb0d8302900709d

  • SHA256

    c3f4e8bc30d3996bf33dd018ec35770423e06f78293d1d87dffc682db2903aa0

  • SHA512

    30cd7d410eaf48c2ae4b1c247f80d30a279d7afdcbdc8c2ef68c53ce7da4ab1c4e6c7b8c42f0873968f10fc85e28203985c28182dcfc2965d2ab47141baaa244

  • SSDEEP

    24576:ojSFltv+l2d1fjtZCqaw+dRKPG3hjD7S4lwBlwp:aSwl2tZg9KPanXmBmp

Malware Config

Signatures

  • 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\c3f4e8bc30d3996bf33dd018ec35770423e06f78293d1d87dffc682db2903aa0.exe
    "C:\Users\Admin\AppData\Local\Temp\c3f4e8bc30d3996bf33dd018ec35770423e06f78293d1d87dffc682db2903aa0.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:4528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\c3f4e8bc30d3996bf33dd018ec35770423e06f78293d1d87dffc682db2903aa0.exe

    Filesize

    1.2MB

    MD5

    dbe536a7521453a138cb2c2c4a843ce9

    SHA1

    28a7feb4e306d236b90d7228a9d9e7f4dc7f7493

    SHA256

    a5930bb532fa629dd229d258c01e4a53ae80517086c67890b890da2e92a6aab4

    SHA512

    436b5256a2ed1b54da9e1d46b3108b34e628a8dc14f456260fb0b9dd8547126bd8a9b0c15a2ea52b5946f043355120b33b0a9c5bff94bf00459f1afd1451a687

  • memory/4528-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4528-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4528-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4528-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB