Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 07:12

General

  • Target

    1540902a2d23eb596f799897e1fde27b7096bfbecbd5c53b682474871aff354b.exe

  • Size

    458KB

  • MD5

    e514642bdb898dcf57fd725491cee08c

  • SHA1

    739ad85ca89d38503910694871ef82e9cd301a48

  • SHA256

    1540902a2d23eb596f799897e1fde27b7096bfbecbd5c53b682474871aff354b

  • SHA512

    acc6509a8315731b9ea00b82f248891691e16a0368f0cbdfd62184e920d0a337ece404a85ac386337128e8a38973165576e129ba86894948bc9162de651fc869

  • SSDEEP

    6144:k9o409Jfie7X7OWjiUh3E7ZDX4jy9wyGLIQB79cdz/XMjIzHOCSzjgv+faiJw9:F7+LccdE0+fhw9

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\1540902a2d23eb596f799897e1fde27b7096bfbecbd5c53b682474871aff354b.exe
    "C:\Users\Admin\AppData\Local\Temp\1540902a2d23eb596f799897e1fde27b7096bfbecbd5c53b682474871aff354b.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:4016

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\1540902a2d23eb596f799897e1fde27b7096bfbecbd5c53b682474871aff354b.exe

    Filesize

    417KB

    MD5

    f95194788718ec045870f608bb715d6e

    SHA1

    ec4fe6b30a583b69c8cf3f2a45faae38b0b2cb47

    SHA256

    38277c4b8c1a46c35b762a50e2670b16912f3070a1b0f6468fbd0076ec045c4f

    SHA512

    2f7429f1736e01a8f2509c64bbf4825cb4962cd1acc900fab07f45ed30016195c47e3046499214ff1ccdcf7324a4b1a8fa5daeb83ff047273030d1978ec4d215

  • memory/4016-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4016-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4016-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB