Analysis

  • max time kernel
    150s
  • 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
    24/10/2024, 22:56

General

  • Target

    489dea417e7caacc0dae42d653a88a658d200eee4bee8fe40617c5fc8a8218b3.exe

  • Size

    469KB

  • MD5

    9dcc53ccf0284802768b8ca958b43c89

  • SHA1

    14e0a19a6b67fb69c8ce79e8c524266cb7156496

  • SHA256

    489dea417e7caacc0dae42d653a88a658d200eee4bee8fe40617c5fc8a8218b3

  • SHA512

    5a698c887f8e14c026791970b0a3a7278d59a9c5c83c88cb62f297d37bd4225019ba28d39a94fce1a01c084eef5d47dc2d5bc259f0021e3126f671bad32a74aa

  • SSDEEP

    3072:sr85C18TXROLdW5m4mUR59OOG/0klzK4pAwALczkitvo4BpYN/6mBPr/:k91/N2lOOiyLA4NCmBPr/

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 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\489dea417e7caacc0dae42d653a88a658d200eee4bee8fe40617c5fc8a8218b3.exe
    "C:\Users\Admin\AppData\Local\Temp\489dea417e7caacc0dae42d653a88a658d200eee4bee8fe40617c5fc8a8218b3.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:2876
    • C:\Users\Admin\AppData\Local\Temp\3582-490\489dea417e7caacc0dae42d653a88a658d200eee4bee8fe40617c5fc8a8218b3.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\489dea417e7caacc0dae42d653a88a658d200eee4bee8fe40617c5fc8a8218b3.exe"
      2⤵
      • Executes dropped EXE
      PID:4176

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\489dea417e7caacc0dae42d653a88a658d200eee4bee8fe40617c5fc8a8218b3.exe

    Filesize

    428KB

    MD5

    c685a4bef861e638a705d84fab8e6fc7

    SHA1

    f105e8c50a927f15d381d9d740575aac639f2c49

    SHA256

    dd24886838899897fdc5e4df10568849542a3b10a7daea0a5d14e89fa85bc4b7

    SHA512

    82bc2dbad35f0fb08cf2f3cc7595b61566a0af69477c2cba999926019635ba0dc2a6a03035fd5e280757ffd35295d8cede91574168b29a4c8ea93254213e759b

  • memory/2876-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2876-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2876-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB