Analysis

  • max time kernel
    92s
  • max time network
    94s
  • 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 21:02

General

  • Target

    12264f8e77c70af94083f1cbd2e89407b2026816fe0db87cb91344c8323945deN.exe

  • Size

    128KB

  • MD5

    314734db13ba71d85f5cd12e67568400

  • SHA1

    9977a187116bf708f081a599ab6830dc078d7952

  • SHA256

    12264f8e77c70af94083f1cbd2e89407b2026816fe0db87cb91344c8323945de

  • SHA512

    cf06ac086716d52f3fd4d7ce9458ce617c498c53823a51b904f2ecb7f031a6a6d8e3f7e3c7f610873b03c269a40f58b451d1c7db9f47502e278fdaf2529832fa

  • SSDEEP

    3072:sr85Ceo4Dg2thyZhBEYdQti9Dg2thyZhBEYdQtid:k9ebE21li9E21lid

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 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\12264f8e77c70af94083f1cbd2e89407b2026816fe0db87cb91344c8323945deN.exe
    "C:\Users\Admin\AppData\Local\Temp\12264f8e77c70af94083f1cbd2e89407b2026816fe0db87cb91344c8323945deN.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
    PID:4784
    • C:\Users\Admin\AppData\Local\Temp\3582-490\12264f8e77c70af94083f1cbd2e89407b2026816fe0db87cb91344c8323945deN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\12264f8e77c70af94083f1cbd2e89407b2026816fe0db87cb91344c8323945deN.exe"
      2⤵
      • Executes dropped EXE
      PID:3024

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\12264f8e77c70af94083f1cbd2e89407b2026816fe0db87cb91344c8323945deN.exe

    Filesize

    87KB

    MD5

    8b40857ef17cc9a0d016b75ee9ee4e76

    SHA1

    c412b4f421befd3ee12ef5d715fe61fd44100f1d

    SHA256

    ca7cfef8c12df56225f2f37cf2f93af1b2e1dba835cd53b409c35a864f597f16

    SHA512

    16bc537a570a350199f0a88bac1b258064c44caef047d56adbb61e4b328d373b1629c337d33f56b9fc6b8b867540d72da913df178c2b772f388b5ce3e8d248ea

  • memory/4784-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4784-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4784-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB