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
    12/10/2024, 07:23

General

  • Target

    c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe

  • Size

    159KB

  • MD5

    2dc4cffe7be63c3e5c7fec2b73d1c860

  • SHA1

    3291b6cea84c818b881e95a99690ac4052bca4b9

  • SHA256

    c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697

  • SHA512

    2e82f5243b42915db1ae4a8b3485986214f9b662bbca815b4e63f478b2f852e51cfc5c8f18cc4d98bed60ad1a0f6fc07ff546bbe60ff7657f26ac5927d4b332c

  • SSDEEP

    3072:sr85CeoUcCKYsl/B8DAptmhB8DApszTHfN:k998DpD8DL

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.

  • 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe
    "C:\Users\Admin\AppData\Local\Temp\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.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:3996
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1984
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3912

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\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe

    Filesize

    119KB

    MD5

    5c7625350871a26263ac368e3e4ac9f1

    SHA1

    1732ae1fe9886fc49dd523a5e27f3c765e43d22f

    SHA256

    6278925a22dadc59429d1abfe92763222893b2595c19c5b0c5bf3adac16afeb2

    SHA512

    4d0e12732d057b336b6ccc417a39a4d8c4fc7b896c8b90dae30e9b7820e9ca259d59dc144d52217aa41d46b5f98327bf81fbf4c3178dae9bd508764d1c7fd3f7

  • memory/3536-12-0x0000000073322000-0x0000000073323000-memory.dmp

    Filesize

    4KB

  • memory/3536-13-0x0000000073320000-0x00000000738D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3536-14-0x0000000073320000-0x00000000738D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3536-89-0x0000000073320000-0x00000000738D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3996-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3996-124-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3996-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB