Analysis

  • max time kernel
    92s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 20:43

General

  • Target

    306fc3584fe9c2c47c6e9a585c79d407c808f4f5db430ff7db7b7f0e7a0807c0.exe

  • Size

    1012KB

  • MD5

    0d88601a914dcc3d73f701cd67385a93

  • SHA1

    fdfa80aeb580a75a1ff91ff9f9ab7f8316545239

  • SHA256

    306fc3584fe9c2c47c6e9a585c79d407c808f4f5db430ff7db7b7f0e7a0807c0

  • SHA512

    c443d9fb71a5a837e4fe03a9c220e4efcebd462bce3c28b51a96fe60db5b368fe18fb86c1600e32ceb97fb6243ea444b4ba70b26de38e31d8c284b5595849f62

  • SSDEEP

    24576:3VfSJcVvRkctg11qYIxQz99Tb3bxkY6NcMDVgH2Fym:NSJcjg3BIxQz91rxyNcMDVgH2f

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 use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\306fc3584fe9c2c47c6e9a585c79d407c808f4f5db430ff7db7b7f0e7a0807c0.exe
    "C:\Users\Admin\AppData\Local\Temp\306fc3584fe9c2c47c6e9a585c79d407c808f4f5db430ff7db7b7f0e7a0807c0.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:1848
    • C:\Users\Admin\AppData\Local\Temp\3582-490\306fc3584fe9c2c47c6e9a585c79d407c808f4f5db430ff7db7b7f0e7a0807c0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\306fc3584fe9c2c47c6e9a585c79d407c808f4f5db430ff7db7b7f0e7a0807c0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1040

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\306fc3584fe9c2c47c6e9a585c79d407c808f4f5db430ff7db7b7f0e7a0807c0.exe

    Filesize

    972KB

    MD5

    98fcb61b2ec7a828843244e51a3f3fe5

    SHA1

    0c5bfdb0e533c3f3604ed7ca15c19f5e70331fbb

    SHA256

    a8df5118ec7e1cc6ddcbceea71677c4b77c8716bbdb77b77b69f8fd6bd4144cc

    SHA512

    3a6c4af590af826e29115632016f508b5cc9096a6c6b550abb41eef8e68308092cad7c6d87eb26ff84ba5c7b9c8fbeeebdac728a6fab350ba4f3bf285d6cbff5

  • memory/1040-26-0x0000000002330000-0x0000000002331000-memory.dmp

    Filesize

    4KB

  • memory/1848-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1848-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1848-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB