Analysis

  • max time kernel
    93s
  • 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
    25-11-2024 01:07

General

  • Target

    8a38b69579c1cca469dc7bb8aaae7f2966ee1bc80fc97c690cd10dc63102bf8c.exe

  • Size

    2.4MB

  • MD5

    d0ea74e0f353729d7b12c58854c10bc2

  • SHA1

    846f3286110dab91dd978c53a3afbf7567f64211

  • SHA256

    8a38b69579c1cca469dc7bb8aaae7f2966ee1bc80fc97c690cd10dc63102bf8c

  • SHA512

    9a03627e0d68aa87d19664e4ba1d77c94043a55a4c70e2979ea42244c4e027c20bd42b5bc5ccfbd7bda9a668fbe9616a23011b7b0925bda8325af9d6c4207fed

  • SSDEEP

    49152:6pnObMdAX2n/Gu1SoPdVoXiOgU+FtibXbu:kn/FSoPdVaKU+FtGu

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a38b69579c1cca469dc7bb8aaae7f2966ee1bc80fc97c690cd10dc63102bf8c.exe
    "C:\Users\Admin\AppData\Local\Temp\8a38b69579c1cca469dc7bb8aaae7f2966ee1bc80fc97c690cd10dc63102bf8c.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:1388
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8a38b69579c1cca469dc7bb8aaae7f2966ee1bc80fc97c690cd10dc63102bf8c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8a38b69579c1cca469dc7bb8aaae7f2966ee1bc80fc97c690cd10dc63102bf8c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2024

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\8a38b69579c1cca469dc7bb8aaae7f2966ee1bc80fc97c690cd10dc63102bf8c.exe

    Filesize

    2.4MB

    MD5

    d7d91935dbdacd0d2424d4cc0688053b

    SHA1

    c98dcb8349eb6eeedb735a31d5c8606fbbca7870

    SHA256

    66047d7ffce0e1b684baeb3415ddbcc67a6576048f1c1090d835812f36b9c815

    SHA512

    6d5219543aec3c497a4d7a9d798df855564818c5a041bdbf1d3263f87eb64e047c5a9fe0511180f6a7b2f3e147da1e32ae5c961f95cfcd1c8fc4cd0fb86081cb

  • memory/1388-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1388-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1388-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB