Analysis

  • max time kernel
    96s
  • max time network
    97s
  • 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 13:10

General

  • Target

    c924780ffce3744922e679774a02bd4821e214f127f3093e43f369a37e116765N.exe

  • Size

    98KB

  • MD5

    1e381e2448659f5af9d38f33c8c42e20

  • SHA1

    5d58a0ac1ed2e0db6e3942fe7c995a8a37f7cbf0

  • SHA256

    c924780ffce3744922e679774a02bd4821e214f127f3093e43f369a37e116765

  • SHA512

    da15892da7c33dc9206c15c513ec816a1e32ecbcf6372b6521f4ecc75250f81f31fb1c007c60707596588b34b269422c7aa7957f122ec074c4abce3154fca0f8

  • SSDEEP

    1536:JxqjQ+P04wsmJCNQi54QDAAnxIda+6G9/++VjEtKAD+Z:sr85CNQi5pDAAxUthv8KASZ

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\c924780ffce3744922e679774a02bd4821e214f127f3093e43f369a37e116765N.exe
    "C:\Users\Admin\AppData\Local\Temp\c924780ffce3744922e679774a02bd4821e214f127f3093e43f369a37e116765N.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:4888
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c924780ffce3744922e679774a02bd4821e214f127f3093e43f369a37e116765N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c924780ffce3744922e679774a02bd4821e214f127f3093e43f369a37e116765N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1904

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\c924780ffce3744922e679774a02bd4821e214f127f3093e43f369a37e116765N.exe

    Filesize

    57KB

    MD5

    82b518d7d5f3c1d214f37d30745bd67f

    SHA1

    d47eafedbd5eb49e645bd19149efc8204638a0a6

    SHA256

    a0617ef35d7879cfe73c2125d9432412478017256c859f01a410ae1e2e689e7e

    SHA512

    fbcbf63a2f4e0128f4c6bf391e90f16e0f02802471b9e14543143b53fa19c592514c9b61d69edfa70b57638184874dcc5f08c5932177f289b12bb84454acaba5

  • memory/4888-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4888-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4888-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB