Analysis

  • max time kernel
    93s
  • max time network
    95s
  • 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 13:20

General

  • Target

    e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe

  • Size

    4.0MB

  • MD5

    7d2b8d6f85c00168562f5eb9ded39500

  • SHA1

    198801ce21ba4243cf58c9dbefc319580ea3b81c

  • SHA256

    e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998

  • SHA512

    93a226904bbac1954c90c94e9624c7bc0214bc9f76de23ee8fad76c258b69de76c2f11623c335e2db8f43cf73ae34c9957af52d90fb9edb25d8d4f3dd7b51bcd

  • SSDEEP

    98304:7KCGgRNiPGkpfymQiRRwrGi0Csn6lNGBLSpng8NJAtmlwc8:OCgtcYwo6lULSpng8f8

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 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 33 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe
    "C:\Users\Admin\AppData\Local\Temp\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.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:4240
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2068

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

    c324431305861add7ddf9186a9221bd9

    SHA1

    61855e1f81606f3cb336f842a1cdd697c7a40912

    SHA256

    f331213f5bcfed2a6dba0dc0c97b5b309c00b013dc47bdb4726d51cf2c274570

    SHA512

    4b532b2bf6eaf3f618bb08b0a6f7af88ce23d76df146b2d007d5a8224ea0463525a86aacc996468cd3a513404aa66cbc516ed27aa9bd142e46492b160d411dc8

  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe

    Filesize

    1.6MB

    MD5

    f9c13b6d68e5a55a26af78bd05a2293c

    SHA1

    1c8acb7a1639043fbe326236b7040acdad6f3286

    SHA256

    ca87ca6d8b3b8f784d7db9cd60043cf061d5f91371f10c6cdb2072bb47fe4cba

    SHA512

    5b259e613c2be2551fdb3a6047f97bb4916809c229dda849cbaba69df62290d724831e5ad5385d0c0a06c16d3b5c582c86129e662808c355b5d94ab25d832429

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe

    Filesize

    4.0MB

    MD5

    5936b36e45fe2bd89bfbdffa1071cebf

    SHA1

    3f59a8f53bf5c001667192db3cb6bcdb56696f34

    SHA256

    0ea4c224bb9f058761993db64fe486b362e2ff49924839771ae03b92b66b9c10

    SHA512

    2995033c6e09e6ad52941d87451b1547ff492506f448f958146e3e1cca76f02b6ec49b3fb6a01c7a1f09d01d69ce378492ecfcf227463b0c39b5d62dcb50d80e

  • memory/2068-94-0x0000000073D10000-0x0000000073D49000-memory.dmp

    Filesize

    228KB

  • memory/2068-105-0x0000000073D10000-0x0000000073D49000-memory.dmp

    Filesize

    228KB

  • memory/4240-98-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4240-100-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4240-101-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4240-103-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB