Analysis

  • max time kernel
    93s
  • 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
    04-12-2024 04:46

General

  • Target

    4a7b27fdc9414ef3ad71c40a3874b05a42b76048dc025f52ab161da542e3ea06.exe

  • Size

    3.0MB

  • MD5

    43e05292622d4632d050a71bca603d67

  • SHA1

    154563d7469ac6fbd6d1996cdd2982cb9927d470

  • SHA256

    4a7b27fdc9414ef3ad71c40a3874b05a42b76048dc025f52ab161da542e3ea06

  • SHA512

    a41271d8570f01fa785b95a43486d560e5f8d3330fd2c3b06c7c25428bd3ac9721022bcc64a7080d16a32063cc9eb85b3ffa9f55331078495d79dac06a784a99

  • SSDEEP

    49152:DBzyOBfJXAiXyeU5LsNi1fvlOUFm3hVChe/yB9cDt/NUOVKH3WQGMtE8qmbzy4J5:DBzyOBfKig5LsN81TyQh2yELUO0F+8P/

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\4a7b27fdc9414ef3ad71c40a3874b05a42b76048dc025f52ab161da542e3ea06.exe
    "C:\Users\Admin\AppData\Local\Temp\4a7b27fdc9414ef3ad71c40a3874b05a42b76048dc025f52ab161da542e3ea06.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:448

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\4a7b27fdc9414ef3ad71c40a3874b05a42b76048dc025f52ab161da542e3ea06.exe

    Filesize

    3.0MB

    MD5

    46acfa76c59d8c6c12cef7742a2ba4be

    SHA1

    d6485a6ea1242f7110fe25cab3d88fac8ed25420

    SHA256

    857e58a71786c6cbf36df932e340b447ca07c5cfeac88451da19f848ba9c46c2

    SHA512

    deac90e3cfdc50f8f46191a51cbaf3b154b323d854f6fcd597b1199bc3d42bf72c714c07dde3430c25ed8d136e694cf95c3f5552f5553c14ac01d9860be3ef6d

  • memory/448-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/448-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/448-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB