Analysis

  • max time kernel
    92s
  • max time network
    151s
  • 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, 20:51

General

  • Target

    116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe

  • Size

    3.9MB

  • MD5

    df3d7b493f00a483a806217ff5005c90

  • SHA1

    b08234402472ec6d27330743caf6868c2ea663bb

  • SHA256

    116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0

  • SHA512

    5c687b7b192266179a231e1e15c6fb1ea419ef37c8bee726d302ba42c320a2cfc02966bb216ae3ced91429350d0a09526df4c2695d28b55a4fa3d25be80793ce

  • SSDEEP

    49152:Mcyvc/j0aExFdNpTznTgMl5iSaHNvYfdEbLmq:fUc/idNpT78MwWAmq

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\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.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:2016
    • C:\Users\Admin\AppData\Local\Temp\3582-490\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1008

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\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe

    Filesize

    3.9MB

    MD5

    70ed801c97eaae0c46b0b3d35508f430

    SHA1

    d6353510afb05bd07750b955035dc90300709d97

    SHA256

    0fb2c84a0b0417471e0408fea41580a59a87070cfe7e1af4146f5c6bbcbe1dae

    SHA512

    9fad8b134e1d50950ba1cb582e774bd46d44f3b2c87f5751190986e54b2eb7c66ba1effaf5004d5ea05762afd0bddb8cdbf030948c336a9ec520bc271c6d602e

  • memory/1008-11-0x00000000025A0000-0x00000000025A1000-memory.dmp

    Filesize

    4KB

  • memory/1008-12-0x0000000000400000-0x00000000007EB000-memory.dmp

    Filesize

    3.9MB

  • memory/2016-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2016-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2016-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB