Analysis

  • max time kernel
    100s
  • max time network
    102s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/04/2025, 04:53

General

  • Target

    2025-04-19_49ec5219c84f445dbace71ff737a96a6_black-basta_elex_neshta_ngrbot_skypams.exe

  • Size

    5.3MB

  • MD5

    49ec5219c84f445dbace71ff737a96a6

  • SHA1

    1152ca6103bcf5c9c1aae44600e6417dcd3b7e75

  • SHA256

    4fa578e238c515dab44911153286bbf7ca84d1152c53cca1cb662ea1f1ec86cf

  • SHA512

    3cb6e7d280f1c1bede1b0f062a4cfab20fb88300c5184beddf61acda3cd97b89eb783c74999cbe21850427c04431dc6ea8b5751723bc4dcf91b2e825d6184102

  • SSDEEP

    98304:6anVKTpTxzqMqGkBAgjJ3U/c+PLHV0ZNyxo:/wtx2MRkBTjJ+5DHWZNyW

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax family
  • Ardamax main executable 1 IoCs
  • 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
  • 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-19_49ec5219c84f445dbace71ff737a96a6_black-basta_elex_neshta_ngrbot_skypams.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-19_49ec5219c84f445dbace71ff737a96a6_black-basta_elex_neshta_ngrbot_skypams.exe"
    1⤵
    • 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:6020
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-19_49ec5219c84f445dbace71ff737a96a6_black-basta_elex_neshta_ngrbot_skypams.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-19_49ec5219c84f445dbace71ff737a96a6_black-basta_elex_neshta_ngrbot_skypams.exe"
      2⤵
      • Executes dropped EXE
      PID:800

Network

MITRE ATT&CK Enterprise v16

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\2025-04-19_49ec5219c84f445dbace71ff737a96a6_black-basta_elex_neshta_ngrbot_skypams.exe

    Filesize

    5.2MB

    MD5

    9b09560cfca09812fbcfbbc782a7d23d

    SHA1

    f37ef07bedc692be08ab164f60cb8d287b35a2be

    SHA256

    771a44f95c7c94ec4c458b9162c798f10bf5c137b09425f14a21fd3b2a1f87da

    SHA512

    fe80dc8ef5db3ee04a4f6b00c03bad3c50ee18721a538deea29465fde12bfebefba660ceee8ccedeb7d8cbdc23ccc0717b4350189b4e3baedd3b1e1be67e3160

  • memory/6020-130-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/6020-131-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/6020-133-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB