Analysis

  • max time kernel
    96s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 09:05

General

  • Target

    874b0f1a65f7e319aff7eed4f566dbf9e022e2bdc66da9e185fc6abd51c5d688N.exe

  • Size

    5.0MB

  • MD5

    1611da9208cafe474e34385212d9cd00

  • SHA1

    e30e734246ebf3cd69d16284a837eb050441ae2e

  • SHA256

    874b0f1a65f7e319aff7eed4f566dbf9e022e2bdc66da9e185fc6abd51c5d688

  • SHA512

    55e630d301ee27613a5c694fdafbc5b168665772346dffe62063c730abe819150589b74989aa453b5d370b3347271759a29b29573aafb80c7e90d1f22fbdbead

  • SSDEEP

    49152:l6uWEaeVsDOfqKedepZJ3PgrbeSYLJP/c6rlSwrZ3MXhheGoPYNnyDdTsL536n3H:9WEaSAOfqLKhq3Y1PE6FD5MwCvy

Malware Config

Signatures

  • Detect Neshta payload 4 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 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\874b0f1a65f7e319aff7eed4f566dbf9e022e2bdc66da9e185fc6abd51c5d688N.exe
    "C:\Users\Admin\AppData\Local\Temp\874b0f1a65f7e319aff7eed4f566dbf9e022e2bdc66da9e185fc6abd51c5d688N.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:3796
    • C:\Users\Admin\AppData\Local\Temp\3582-490\874b0f1a65f7e319aff7eed4f566dbf9e022e2bdc66da9e185fc6abd51c5d688N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\874b0f1a65f7e319aff7eed4f566dbf9e022e2bdc66da9e185fc6abd51c5d688N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\874b0f1a65f7e319aff7eed4f566dbf9e022e2bdc66da9e185fc6abd51c5d688N.exe

    Filesize

    5.0MB

    MD5

    4121b5d5ff506c072be4d06199d6118d

    SHA1

    46986ee0e5040b68c2e185f62e63792b33cf826f

    SHA256

    ed07203be81812aff1777ba05327bf315b3f9aabff2ba486eedbb4334fb53cb2

    SHA512

    a31672dcb4919bc0f8892ed26232afb4dc990ea9ed427e06ed0b28231f37b36f39d51186d90213dd38e818423ac621c7777083abfe975f16829f848776dec0b4

  • memory/3796-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3796-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3796-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB