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
    01-01-2025 14:26

General

  • Target

    2dbe4b460740593d308056ab76d2a5cde91dc8d526727f12ec1872617e28701aN.exe

  • Size

    241KB

  • MD5

    2edf3851ab10493219535a5afcc46df0

  • SHA1

    b3265f9cd4b05e93c7ff91a3e5c2cc2313874dd4

  • SHA256

    2dbe4b460740593d308056ab76d2a5cde91dc8d526727f12ec1872617e28701a

  • SHA512

    f68bf86b1ea1184e4cf99d6e01c8262d96da0499ba259d25e62786b7e11501c8bf05ac87472c89da1c00f6af829d5a107c689caff723adf00a58ba3cfe437c4a

  • SSDEEP

    6144:k9aLoIDlI+9uMawuhpklIf4TPZjEVztpz+:JLoIDAMvYklIATPy1a

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.

  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2dbe4b460740593d308056ab76d2a5cde91dc8d526727f12ec1872617e28701aN.exe
    "C:\Users\Admin\AppData\Local\Temp\2dbe4b460740593d308056ab76d2a5cde91dc8d526727f12ec1872617e28701aN.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:4048
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2dbe4b460740593d308056ab76d2a5cde91dc8d526727f12ec1872617e28701aN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2dbe4b460740593d308056ab76d2a5cde91dc8d526727f12ec1872617e28701aN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:468

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\2dbe4b460740593d308056ab76d2a5cde91dc8d526727f12ec1872617e28701aN.exe

    Filesize

    201KB

    MD5

    8ab66bc02144ea424414e07c43d350af

    SHA1

    ded03b793910c9cd4b34644acbcb662956a8661d

    SHA256

    8af960f43d4be39c8b497cb906f94a1c17418a4696b5e6fd88d87f23a22c1ee5

    SHA512

    35e3a8af95babe0b702c22117c67e33721e77be02d170c59ec65a67f58c4735e492826ae00c00eeac36eacae374c05d41703e2fee25c06b974a4fbc290f88141

  • memory/4048-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4048-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4048-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB