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
    24-11-2024 12:44

General

  • Target

    0f5af98f523bba6cf6170141fe222560111c4e1a6ac97f0ea5921f7465438d25N.exe

  • Size

    454KB

  • MD5

    6ddf600bdab063aee0ea084b9de27e20

  • SHA1

    c6456991b8593423e93277513959b882b37c7e52

  • SHA256

    0f5af98f523bba6cf6170141fe222560111c4e1a6ac97f0ea5921f7465438d25

  • SHA512

    1497a04f93d3fe965fcccad64763976201d3b3e7d08f22e8bf05df588a278c04328dc52b395d70926a35e6b811bef0e23a669cfa26b4f93fb93deef9dc43fcd7

  • SSDEEP

    12288:NGmZvYntO2EiwcZCuKHFcnUE9cFucYLxf35:+EizCJcnUefJ

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f5af98f523bba6cf6170141fe222560111c4e1a6ac97f0ea5921f7465438d25N.exe
    "C:\Users\Admin\AppData\Local\Temp\0f5af98f523bba6cf6170141fe222560111c4e1a6ac97f0ea5921f7465438d25N.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:2812
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0f5af98f523bba6cf6170141fe222560111c4e1a6ac97f0ea5921f7465438d25N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0f5af98f523bba6cf6170141fe222560111c4e1a6ac97f0ea5921f7465438d25N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3676

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\0f5af98f523bba6cf6170141fe222560111c4e1a6ac97f0ea5921f7465438d25N.exe

    Filesize

    414KB

    MD5

    95d237b678866be96ad6455cb0b03fc8

    SHA1

    563341d84dbc3f64fa9b0b3d3391c9e18128b075

    SHA256

    43203ae51a144e4ff92d4110c93af12b7c9525a1f5435efedfd3499dc12d16c2

    SHA512

    0be396136861d732ee1a472a4e5e0bb39088cad6161c5ef378eb738368b8e64d40601a2adb8485bd8eb0ce0b035013a8d068ce0970d2c28c72f1b3b5466ad0ca

  • memory/2812-95-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2812-96-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2812-97-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2812-99-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB