Analysis

  • max time kernel
    94s
  • 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
    02-01-2025 11:23

General

  • Target

    c18f83f4f64cced72b819a36a540553b07dcf492643b153cd6bbebf2dd63388e.exe

  • Size

    2.8MB

  • MD5

    3532b91591a39829a2763f924c7649d8

  • SHA1

    ff34534c52241bdafcb875109bd350b50850eff3

  • SHA256

    c18f83f4f64cced72b819a36a540553b07dcf492643b153cd6bbebf2dd63388e

  • SHA512

    178c97f912421567a9fe835e6cc5cffd73c19149f38efafd80eba3eb9b0a5bd5c5651395b357bb976246715f5145f757424dc51c1ac1f0a2fd6af97a3cbf19f0

  • SSDEEP

    49152:EjP1oGx8BdRt3H/Nm2EYwfgq9UWrV88J2Erosn7uaszeq6UHb6Xy//vbB:0kDwJPkyasn76QBCnN

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\c18f83f4f64cced72b819a36a540553b07dcf492643b153cd6bbebf2dd63388e.exe
    "C:\Users\Admin\AppData\Local\Temp\c18f83f4f64cced72b819a36a540553b07dcf492643b153cd6bbebf2dd63388e.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:4780

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\c18f83f4f64cced72b819a36a540553b07dcf492643b153cd6bbebf2dd63388e.exe

    Filesize

    2.8MB

    MD5

    eccf605a0760891ae8cc355e2833df50

    SHA1

    3d9daccf53a27b8c5041f477bca5e2f0c545401c

    SHA256

    61e48c6c9b6f6ef3f4a15082f7e3b0c32ff3b51625f5fbdf163f621305a3e266

    SHA512

    b55cf4782847411bc0174bcd529f399cfe1a6657848628b0debe1112056dda6701db84a67a73df1528338de4be06b4064417dc09e3b80ce1be87bee77948a679

  • memory/4780-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4780-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4780-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB