Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 09:28

General

  • Target

    dd4e21566ddf915bb233a1eeeecf85860e9ba223fc31dab1b0bd829455352cde.exe

  • Size

    424KB

  • MD5

    853637d460f58430e7bf092e17cfefce

  • SHA1

    ea6b974a95c60edc9c5888b5614114fca95f44ea

  • SHA256

    dd4e21566ddf915bb233a1eeeecf85860e9ba223fc31dab1b0bd829455352cde

  • SHA512

    4f98577fddd1cafbb3898d5b088bbbbafc93a20dbb3611cd99bb47aa27fbed6fa9fb9b1b5c6f64ac1e3f53179464ee1a81d8778379dd1d35c067c47ff26dda57

  • SSDEEP

    6144:k9CBo+xVhuXXM3wQ9pOFSe9xnxvozk3mlDxAyT4VsG9:HLxVhuXXg7+SevR+PS

Malware Config

Signatures

  • Detect Neshta payload 5 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\dd4e21566ddf915bb233a1eeeecf85860e9ba223fc31dab1b0bd829455352cde.exe
    "C:\Users\Admin\AppData\Local\Temp\dd4e21566ddf915bb233a1eeeecf85860e9ba223fc31dab1b0bd829455352cde.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:4224
    • C:\Users\Admin\AppData\Local\Temp\3582-490\dd4e21566ddf915bb233a1eeeecf85860e9ba223fc31dab1b0bd829455352cde.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\dd4e21566ddf915bb233a1eeeecf85860e9ba223fc31dab1b0bd829455352cde.exe"
      2⤵
      • Executes dropped EXE
      PID:1000

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\dd4e21566ddf915bb233a1eeeecf85860e9ba223fc31dab1b0bd829455352cde.exe

    Filesize

    383KB

    MD5

    e1a463203b3f6ca53c0ceffe033d8366

    SHA1

    eafca425dfc81295e2469b899e144b156f69109c

    SHA256

    21197e205b385b9e0fcfa44d66e7e6e9ae4736a7bf03e0660946c4a79b20023a

    SHA512

    8975a09b08cd8c5d66a6f466fbc7fa39e9bc38280df51690be6abf10783915934c5a90f24099be76b9e1775db69ef774e0bb789a747813ea60e51a8aee38d001

  • memory/4224-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4224-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4224-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4224-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB