Analysis

  • max time kernel
    95s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 21:55

General

  • Target

    4ebb0c4df2a5535e00a47cf9a89a1417929ba6b4fa89e6a52eb3f821e73360bf.exe

  • Size

    1.5MB

  • MD5

    181e68cac0b20d2c47be447e927dbeed

  • SHA1

    364971f05b25d0567a0414942fe87ea9778ffb6e

  • SHA256

    4ebb0c4df2a5535e00a47cf9a89a1417929ba6b4fa89e6a52eb3f821e73360bf

  • SHA512

    626d650764a84515e0051c7c50f2be4e788318c72cd53b9be3d870cef172944583b5ff8b9a1845adbf389020cc911940523a9ea7e0012e3a6a3456af627df30f

  • SSDEEP

    24576:EodYNebY5mypQblJpE8LBg2Dx9dbbolBQLu+DAW8YEDfkcGhNTf1AbcuYmneTivv:P9wmyYJpE8LBg2Dx9dUWwpVqqAO

Malware Config

Signatures

  • Detect Neshta payload 5 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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ebb0c4df2a5535e00a47cf9a89a1417929ba6b4fa89e6a52eb3f821e73360bf.exe
    "C:\Users\Admin\AppData\Local\Temp\4ebb0c4df2a5535e00a47cf9a89a1417929ba6b4fa89e6a52eb3f821e73360bf.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:4748
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4ebb0c4df2a5535e00a47cf9a89a1417929ba6b4fa89e6a52eb3f821e73360bf.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4ebb0c4df2a5535e00a47cf9a89a1417929ba6b4fa89e6a52eb3f821e73360bf.exe"
      2⤵
      • Executes dropped EXE
      PID:4728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\4ebb0c4df2a5535e00a47cf9a89a1417929ba6b4fa89e6a52eb3f821e73360bf.exe

    Filesize

    1.5MB

    MD5

    4482b9f69e24ab43c39b82829da833ef

    SHA1

    9e5b5952e0d979272190cb19f144c5e7885f521f

    SHA256

    850ba8e48a2a2222eaea113d03bcf79b33b71231ee384bcfe5bc2bec54a843a1

    SHA512

    3aeeb4e761b9d3d693f618064820a619e6ca6944cab216f79c2b9d650bbe9bc10f220e84db62c67c668827e00152bf4bd8c8ed6e2bfad6681933168ef7a2c561

  • memory/4748-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4748-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4748-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4748-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB