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
    26-11-2024 02:49

General

  • Target

    47e2ec4013e78d42cac6fb8e29e01dcdbfba392e5b7c29623dd282feb7c8625fN.exe

  • Size

    146KB

  • MD5

    52168345d3fa91096e50ca9abee197c0

  • SHA1

    8f0b48196d62f2a5cd35cc64d2b26f773a6baff8

  • SHA256

    47e2ec4013e78d42cac6fb8e29e01dcdbfba392e5b7c29623dd282feb7c8625f

  • SHA512

    db4d38f44f2aa34e6c12476e90e3ba1aa0387a30733b29cf4e5c2cf73f6c320e038ac0beec3ff28ddf05ec608888abb2ac7725ed675411da96df2c5d3af6cb72

  • SSDEEP

    3072:sr85CkkbAYn2GgYlBYN2fHYTo+tMt8wDSRUTT:k9xbAMpgY3gTW8DRUTT

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\47e2ec4013e78d42cac6fb8e29e01dcdbfba392e5b7c29623dd282feb7c8625fN.exe
    "C:\Users\Admin\AppData\Local\Temp\47e2ec4013e78d42cac6fb8e29e01dcdbfba392e5b7c29623dd282feb7c8625fN.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:4804
    • C:\Users\Admin\AppData\Local\Temp\3582-490\47e2ec4013e78d42cac6fb8e29e01dcdbfba392e5b7c29623dd282feb7c8625fN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\47e2ec4013e78d42cac6fb8e29e01dcdbfba392e5b7c29623dd282feb7c8625fN.exe"
      2⤵
      • Executes dropped EXE
      PID:3312

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\47e2ec4013e78d42cac6fb8e29e01dcdbfba392e5b7c29623dd282feb7c8625fN.exe

    Filesize

    105KB

    MD5

    36aacffa8a3f15f5880e5f3e871e1359

    SHA1

    f85d724b23ba8a1502626e6935486c4faf49693e

    SHA256

    8bea16dc3e9e7ac3f7b828dfad2e5fc0a8d70ef7286a880b349f78ac3c0c5ffd

    SHA512

    bd0da4dc09b4988145109adf31c50f0b12c225a96c87c5fc73fdd9616e57ef9a747fbcdaeba1f773f0544eecdf8e3813c42a13750e3b6e0412cfb6498e8e226a

  • memory/4804-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4804-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4804-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB