Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 04:14

General

  • Target

    869b08705b1e04401cdd55d100867f2445e691b820f3e144bd089f48e60a8b6bN.exe

  • Size

    1.1MB

  • MD5

    77888d52f5e22aa822d125c572c07ef0

  • SHA1

    215b3e13a92ff8dc29ac1a896da490627b96a4e1

  • SHA256

    869b08705b1e04401cdd55d100867f2445e691b820f3e144bd089f48e60a8b6b

  • SHA512

    5e8c15ec278168098b5acfd957d8a56e278c6ec63e02a2eb79258a9cff8e82094cf0e9f777bd98ad8e89883f6bc1bc52d6b081057d4075315108d5845ed52b69

  • SSDEEP

    24576:UJCJFkxjIeKUEnaNWY33tcxyGIHL8/6DMwdqk+69eTkPZOd819I:dfFtk+G3Od8fI

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 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\869b08705b1e04401cdd55d100867f2445e691b820f3e144bd089f48e60a8b6bN.exe
    "C:\Users\Admin\AppData\Local\Temp\869b08705b1e04401cdd55d100867f2445e691b820f3e144bd089f48e60a8b6bN.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:1884
    • C:\Users\Admin\AppData\Local\Temp\3582-490\869b08705b1e04401cdd55d100867f2445e691b820f3e144bd089f48e60a8b6bN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\869b08705b1e04401cdd55d100867f2445e691b820f3e144bd089f48e60a8b6bN.exe"
      2⤵
      • Executes dropped EXE
      PID:4340

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\Temp\3582-490\869b08705b1e04401cdd55d100867f2445e691b820f3e144bd089f48e60a8b6bN.exe

    Filesize

    1.1MB

    MD5

    38c78b4db38542df388c56c583893af7

    SHA1

    adedb8900e830b9a3934156998b8f598afe6ed10

    SHA256

    88e20dc534c6283c19bf4c42884091a42e3a9754058565d71d8efb7fb430d0f9

    SHA512

    52cf6b17e4a730882b731e4b946df4e04f954c441e282a6ce0b1183437b1671ea5bf1f2363e7a41362d5010010ea1cf3ddb2b47ecdfaa3baafec200c9b0bc56e

  • memory/1884-99-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1884-101-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1884-102-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1884-104-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4340-12-0x00007FFD857F3000-0x00007FFD857F5000-memory.dmp

    Filesize

    8KB

  • memory/4340-13-0x000001F742270000-0x000001F74238C000-memory.dmp

    Filesize

    1.1MB

  • memory/4340-15-0x00007FFD857F0000-0x00007FFD862B1000-memory.dmp

    Filesize

    10.8MB

  • memory/4340-100-0x00007FFD857F0000-0x00007FFD862B1000-memory.dmp

    Filesize

    10.8MB