Analysis

  • max time kernel
    95s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 23:22

General

  • Target

    2024-12-25_363514d5d3b4266020a6c9a25be53b78_lockergoga_luca-stealer_neshta.exe

  • Size

    1.4MB

  • MD5

    363514d5d3b4266020a6c9a25be53b78

  • SHA1

    149b31cd0f62915be4ee9075d46d07293106c935

  • SHA256

    35bcf8a6b513d25014079a7294bd831b728c651cfe1878dcd4bcdc753d7749a0

  • SHA512

    ee2f5cb690c368af4d9775111de85a4e16ddb730e6b1f4502b4678394214f105f8516c509ae9c00436e06a6683ab3f8b967033b90da3f4407af3b0d530ad8fff

  • SSDEEP

    24576:GsVoJa7u+g2u2S7UmjcWdsooekbLSLr8kEsiZEEskkW8w0pMwbO9Hf4aFh6Z71GN:Gsisxd0EsiZE9k26wvaFh6918OOnX

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\2024-12-25_363514d5d3b4266020a6c9a25be53b78_lockergoga_luca-stealer_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-25_363514d5d3b4266020a6c9a25be53b78_lockergoga_luca-stealer_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:2428
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2024-12-25_363514d5d3b4266020a6c9a25be53b78_lockergoga_luca-stealer_neshta.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2024-12-25_363514d5d3b4266020a6c9a25be53b78_lockergoga_luca-stealer_neshta.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2572

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\2024-12-25_363514d5d3b4266020a6c9a25be53b78_lockergoga_luca-stealer_neshta.exe

    Filesize

    1.4MB

    MD5

    281d39e3edc5289e83098d4c153b7e6a

    SHA1

    ee62ca01569f24516d574aa3308ecad4ef03c496

    SHA256

    f06158acac42647e8f09d84104e8ee0ce699450366d47624eec526833aa3ba8b

    SHA512

    8d2f3f0dba578f5379526aecc432e5e3d5d93e9b76bed7bb5ec2f94c02647e944b3aa51fc3b10e64ce8d6f86e6311bfd166d581bb11f61cf88ce2be7ce992bf0

  • memory/2428-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2428-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2428-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB