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Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2024, 18:24

General

  • Target

    660f2fd461e26a19542f871ed9ce18140664ffd6a333e52d94d28aea9a7d86e0.exe

  • Size

    1.7MB

  • MD5

    6dbfdba0448a51292ada5decef1adf4f

  • SHA1

    0572bb902c6ed27ce0bb05aebcc5f259631387fe

  • SHA256

    660f2fd461e26a19542f871ed9ce18140664ffd6a333e52d94d28aea9a7d86e0

  • SHA512

    24cf9412c43ea2f780fa296ff60268aab22e93e598ff05d59d5a0693878f10779c11a352c176e3d0938b405dcefa78313ff196afa1bde7aa1687b04875e4b91e

  • SSDEEP

    24576:M+9ZjQBYJ6mnedcTxsshksN9lOJDpBkjsVc2ot4+EN6VEJg1:M+Dt+shkYqJXkjsVc2ot4+EN68a

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.

  • 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\660f2fd461e26a19542f871ed9ce18140664ffd6a333e52d94d28aea9a7d86e0.exe
    "C:\Users\Admin\AppData\Local\Temp\660f2fd461e26a19542f871ed9ce18140664ffd6a333e52d94d28aea9a7d86e0.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:1536

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\660f2fd461e26a19542f871ed9ce18140664ffd6a333e52d94d28aea9a7d86e0.exe

    Filesize

    1.7MB

    MD5

    f4610b54d4762e69f7457259c822ee7c

    SHA1

    21866f7b7a8a28510a7dbb7f71ccf060667ae3eb

    SHA256

    f8becc9bf20e753c7fbfdc75070052b55d21f2a366fd65fe9c3ddc85495b6ee4

    SHA512

    745b3f7e7064e13b1286bae55c5fcb94c51ad2e3e2d0e0b3026d13a36ba5e719e1e5ac2e585217aaf88ec89effbca5957e5a6c00c2dfed79ecef9df5c1edb27f

  • memory/1536-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1536-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1536-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB