Analysis

  • max time kernel
    112s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 20:08

General

  • Target

    9988e0cccfd9b647ae37b5859774ab39d204d651474570cd01de1550385b4f18N.exe

  • Size

    657KB

  • MD5

    6bad05e7056d8387af7f5bb5960a6e40

  • SHA1

    7ab1a86fa45d1d434cae405e032e3052058ab184

  • SHA256

    9988e0cccfd9b647ae37b5859774ab39d204d651474570cd01de1550385b4f18

  • SHA512

    1966734079c37abc32ed0f6aedd0e50a135e75e1d578523efa5497761edd5968ea61bc2d6e32e21cd026048927b9f3d2277d0901ab869095cc835fdaa76d0386

  • SSDEEP

    6144:k9f8lBfVAoZidcbqazmjyT5FFa3h0OfYKWeTIjK3LJ2sfN/+JEpx0i3:1vVPZ/Rv43hotekj2vf1Tpx0i3

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\9988e0cccfd9b647ae37b5859774ab39d204d651474570cd01de1550385b4f18N.exe
    "C:\Users\Admin\AppData\Local\Temp\9988e0cccfd9b647ae37b5859774ab39d204d651474570cd01de1550385b4f18N.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:448
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9988e0cccfd9b647ae37b5859774ab39d204d651474570cd01de1550385b4f18N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9988e0cccfd9b647ae37b5859774ab39d204d651474570cd01de1550385b4f18N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2256

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\9988e0cccfd9b647ae37b5859774ab39d204d651474570cd01de1550385b4f18N.exe

    Filesize

    616KB

    MD5

    84e72e577a8b6d7e908da0a45da2f501

    SHA1

    885d333adfb37b61636d3881eba4498376c3011c

    SHA256

    604bbfcc0e561be0e57b3463a3a0f500eb7967f069c8630a9434f1ad679153c8

    SHA512

    0c89ed03a919917a5d7c94d7b3dd72121e0411ab40bebf944691389c83229029139f3a577afefe616eb17e85b6baa0817a25bba093b26d860658cbd146fd8ab0

  • memory/448-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/448-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/448-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB