Analysis

  • max time kernel
    34s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 19:31

General

  • Target

    0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe

  • Size

    274KB

  • MD5

    f34219d4ae83bb81763240b87fd51b8b

  • SHA1

    40d9ce70c733641837b39824186b4e8282998023

  • SHA256

    0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1

  • SHA512

    594eac4c41a52e33950ba384bf86ad650c363b23c7565588f71ac406850feb1751cda1b877b552bda3d1061bd678001e0568b2b0c9983761c2c871e94ae1f002

  • SSDEEP

    6144:k9ZeUjrk4Td+ng/pYA/J0QlaMo0vLpuuhLr:8eUHPUGAuaE9uCLr

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 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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe
    "C:\Users\Admin\AppData\Local\Temp\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.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:552
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe"
      2⤵
      • Executes dropped EXE
      PID:5112

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\0d7e1457bad15f7f8eb178936ac15b8e62d5562dee85dbbb938a10958f9a21c1.exe

    Filesize

    233KB

    MD5

    11c1644206c1886486f3c7ae259280cd

    SHA1

    0866f4b9402d4175e5385e0760be6a5144a6ff71

    SHA256

    9efec0c31ccd2afa441610f7a38009a8c1c284495b948234f226cd3a51aedd53

    SHA512

    65380a148f8b53f4f7ef6fe551f4dfa7d0781849ce63501c52c7d3ce514e9479a6b17066fdcaac493eb399b9c28c43377d6372640aeabb38786ec2d2532db3ea

  • memory/552-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/552-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/552-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB