Overview

overview

10

Static

static

10

2025-03-30...ta.exe

windows7-x64

10

2025-03-30...ta.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    105s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2025, 08:59

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General

  • Target

    2025-03-30_d94a3dd2c188a8221b35c924bf7cc886_black-basta_cobalt-strike_neshta.exe

  • Size

    507KB

  • MD5

    d94a3dd2c188a8221b35c924bf7cc886

  • SHA1

    e76af78b735c4fdce1ef5de7c56e40bf95e58b3e

  • SHA256

    60e8d431b54e554743196fbcdb31e73346a98625e109005ee7a7c437f47043f7

  • SHA512

    8421e565b6b76ec955a4e79776b3505613fe8ecb1a4fd3bed6cc9fcd0cb460ecba2cc5a355b02b9921c7628bea27f2b0cbd5a6ad790d111fb7804df2851e72c9

  • SSDEEP

    12288:CjgAtAHM+vetZxF5EWry8AJGy0X2X+t44CX:CZWs+OZVEWry8AF804W

Score
10/10
neshtadiscoverypersistencespywarestealer

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.

    persistencespywareneshta
  • Neshta family
    neshta
  • 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
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-30_d94a3dd2c188a8221b35c924bf7cc886_black-basta_cobalt-strike_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_d94a3dd2c188a8221b35c924bf7cc886_black-basta_cobalt-strike_neshta.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:1456
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-03-30_d94a3dd2c188a8221b35c924bf7cc886_black-basta_cobalt-strike_neshta.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-03-30_d94a3dd2c188a8221b35c924bf7cc886_black-basta_cobalt-strike_neshta.exe"
      2⤵
      • Executes dropped EXE
      PID:5600

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

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-03-30_d94a3dd2c188a8221b35c924bf7cc886_black-basta_cobalt-strike_neshta.exe
    Filesize

    466KB

    MD5

    db71d04851d60cc0aaa32de4327c875b

    SHA1

    ba18b9cb15af75526f66a4dae553da91e52be102

    SHA256

    8e18e5c27985828fde8ffe2c8dc950007775a558b0ce369309bdc091b042f3c3

    SHA512

    a5467117c6d815d35ffe3c87be86b2d62a9c178d4ecd490d3912618039d64892e0258d2503f3cb1d08188f383656cd95dab9466be157d2759248c852307be10f

    Download Submit

  • memory/1456-142-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/1456-143-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/1456-145-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download