Analysis

  • max time kernel
    92s
  • 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
    16-01-2025 16:04

General

  • Target

    6d7782ae320887e3e04ae93c0285d079243992e9e35fd824f69f078e9432b9a9N.exe

  • Size

    3.6MB

  • MD5

    8efbab57c56415590fbfc8940e1a1310

  • SHA1

    4444de9dea28bf06a1d7b6459660d8375954ecc6

  • SHA256

    6d7782ae320887e3e04ae93c0285d079243992e9e35fd824f69f078e9432b9a9

  • SHA512

    be03bc60dc5b1804687a9c6b14617ad0765c5d06b8f357a4266c53c532ef291ca1a2a6d9cdbb56c9496610faafcb805b08db8a9f2e66cf95599a733478296b67

  • SSDEEP

    98304:/KjfONIlt2Z1dASGD0DJLVz8Dq3dd84NDdzhwEooHMQBU0:/KLGhjea7JNDXDsY

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d7782ae320887e3e04ae93c0285d079243992e9e35fd824f69f078e9432b9a9N.exe
    "C:\Users\Admin\AppData\Local\Temp\6d7782ae320887e3e04ae93c0285d079243992e9e35fd824f69f078e9432b9a9N.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:4520
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6d7782ae320887e3e04ae93c0285d079243992e9e35fd824f69f078e9432b9a9N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6d7782ae320887e3e04ae93c0285d079243992e9e35fd824f69f078e9432b9a9N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2296

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\6d7782ae320887e3e04ae93c0285d079243992e9e35fd824f69f078e9432b9a9N.exe

    Filesize

    3.6MB

    MD5

    a800581ef0981cc4c89dff81020e9a2e

    SHA1

    f60e98e7401237cae99c31d51b72fc13d0bab139

    SHA256

    ce88ece908aeb575912464ca7cecaa9b05ae2c626f54d06e859250c58c5fd00c

    SHA512

    58a3a4bcc682d8c44456c4362aa6038fa79a59fd3aeb1a52f3dd8fb61ca7e41f7b950308d62e24a9ca2c22d79664dd774c97322f4b2639b8aca0a20477955b02

  • memory/4520-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4520-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4520-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB