Analysis

  • max time kernel
    94s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 21:10

General

  • Target

    2a01065cefe6fcdfe432a47d6c7fd4287efe83009ff8dc11e4dc9a666d043f84.exe

  • Size

    561KB

  • MD5

    18319d06c2b6f0e710acc8265eea0896

  • SHA1

    2430125fd8c7bac8fca928a588fded72f738e3fd

  • SHA256

    2a01065cefe6fcdfe432a47d6c7fd4287efe83009ff8dc11e4dc9a666d043f84

  • SHA512

    cd1e53d4a13d96fc7872be31e5d9ce772a3df51405f95df718491c1629e662e220b3bbf7f8474df7481fae09f5c6f9afdaa6cab8e1727ae4ee5272d2cc884d25

  • SSDEEP

    12288:L0sjursYCYQeSnyZJiqlEbXSb9NtCGOF2O27MVzUBjvrEH7NRnZH:o4YenGJiKEbXWtfOkUerEH7NL

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.

  • 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 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a01065cefe6fcdfe432a47d6c7fd4287efe83009ff8dc11e4dc9a666d043f84.exe
    "C:\Users\Admin\AppData\Local\Temp\2a01065cefe6fcdfe432a47d6c7fd4287efe83009ff8dc11e4dc9a666d043f84.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:2992
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2a01065cefe6fcdfe432a47d6c7fd4287efe83009ff8dc11e4dc9a666d043f84.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2a01065cefe6fcdfe432a47d6c7fd4287efe83009ff8dc11e4dc9a666d043f84.exe"
      2⤵
      • Executes dropped EXE
      PID:1348

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\2a01065cefe6fcdfe432a47d6c7fd4287efe83009ff8dc11e4dc9a666d043f84.exe

    Filesize

    521KB

    MD5

    028d4b26d2b62c49f0ba26c55be3acb3

    SHA1

    54c45194459626e34eed53d4fbf24ac542f1a97a

    SHA256

    99bfd912c067c323f42e02ed78c4f3c54d694389ccce4efc4c3d531ccef7af7a

    SHA512

    bca2b370b5ecb571a7964c1fdb64bd74635908b57c1f786c83842340186cd77499c6446361a76b7780c1ed436887f295759cade3b4ff5f3c3d242b225ed25dc4

  • memory/2992-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2992-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2992-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB