Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 04:33

General

  • Target

    62a6e8de025e525c053e452486cbd527048bcc542768f517bb5f23185df5e8a6N.exe

  • Size

    551KB

  • MD5

    c0c55246b12f9f8fce5322a278b6b920

  • SHA1

    41296e5ca9aa702c0424609c6621f63f4a834673

  • SHA256

    62a6e8de025e525c053e452486cbd527048bcc542768f517bb5f23185df5e8a6

  • SHA512

    c9053d52cac05d2ffca68bf6827a53564f880ed3773e978a4bd82b1d7ff8701b0fd1b60a12410f8a3ce47a3f9f3804fc57389a0fbbd1b2307f5371e7cc45f007

  • SSDEEP

    12288:SDJxfRKHBxIE+Urs4wcp5Q/bP+yTkUpFzApfPhjY:SDPRKHIETrXpCT+kpFzApfPS

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.

  • 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 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\62a6e8de025e525c053e452486cbd527048bcc542768f517bb5f23185df5e8a6N.exe
    "C:\Users\Admin\AppData\Local\Temp\62a6e8de025e525c053e452486cbd527048bcc542768f517bb5f23185df5e8a6N.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:1244
    • C:\Users\Admin\AppData\Local\Temp\3582-490\62a6e8de025e525c053e452486cbd527048bcc542768f517bb5f23185df5e8a6N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\62a6e8de025e525c053e452486cbd527048bcc542768f517bb5f23185df5e8a6N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5064

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\62a6e8de025e525c053e452486cbd527048bcc542768f517bb5f23185df5e8a6N.exe

    Filesize

    510KB

    MD5

    9a8702492ac4c5082cb9f91311639461

    SHA1

    d22f835c0917a4115226c479b1cc6bf3692de119

    SHA256

    ab6c02b01ae7b437699188aeea40e5170595267b4adeeb946a54f19ea77fb43f

    SHA512

    881b9b4715340cbabc68f1d99b821f54aed15c15ba0533ddd2cc254a8d39fafb340551a72b57de0d51b98ce8e50376b5f7373fe0683c3466e3a2a1fd9dbea5b9

  • memory/1244-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1244-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1244-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB