Analysis

  • max time kernel
    94s
  • 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
    12-10-2024 11:24

General

  • Target

    266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe

  • Size

    1.8MB

  • MD5

    e8ce528d369c041ceaa0042a3a194400

  • SHA1

    b7304945dbf6e80175532868623b414e9a60dab8

  • SHA256

    266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3

  • SHA512

    e1173bd3f84ee63278cbeec131d3431276c1f2d83fe7d9f69c9a7d824f44dc2b651499d4d50e843db991afed595640ddf09e64d4dc175200ecac467959cc9c24

  • SSDEEP

    49152:3avacdDzEQ/tRxTdUmzOHQUyb/NQYN9R9mid9oLFQNrzbyfGc7:wXdXEQ/tz6+bFQYN9R9midAF8u

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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe
    "C:\Users\Admin\AppData\Local\Temp\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.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:828
    • C:\Users\Admin\AppData\Local\Temp\3582-490\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4676

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\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe

    Filesize

    1.8MB

    MD5

    11b5ac2740564e25db4bad2cba945a6b

    SHA1

    f29eba1952f99b611790c99c6e3c2548402e5a37

    SHA256

    2b335cab7d4c4382df09922a917003800f375fd7677335257d6789a8c385abf9

    SHA512

    8ad98ec2dfac75d24d984486ee6ebb7067b54e192b9dd008781333fe566125f16206ac716a0b0944a2c5bad3b5ce25689a53ad07ba9659390958186293231ff2

  • memory/828-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/828-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/828-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB