Analysis

  • max time kernel
    136s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 05:50

General

  • Target

    e1eda042de4b7978c70c03ffdc48ffe9e2ee9eb5c7a178b9733fc85692a30af6.exe

  • Size

    223KB

  • MD5

    acded267a37a9f4290219995a8be03f1

  • SHA1

    2355cc4498b487e5efa37758042769b05b098bb3

  • SHA256

    e1eda042de4b7978c70c03ffdc48ffe9e2ee9eb5c7a178b9733fc85692a30af6

  • SHA512

    e0a0e20d7aa03eaacd1c5aa8f8e9cdf683718177502a80ffa1f4081d9f8ecf694c063678eeaed1564f8c1dd6eee5257346555126111409a720d2166844f620ae

  • SSDEEP

    3072:sr85CkChrKSVODFVpAhwqrbF9Zc7IlDBVlWfRp9g78+XL3qSULzYOr85CI9:k9kChrKpDAVPbScXVluRt+WSUHj9I9

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\e1eda042de4b7978c70c03ffdc48ffe9e2ee9eb5c7a178b9733fc85692a30af6.exe
    "C:\Users\Admin\AppData\Local\Temp\e1eda042de4b7978c70c03ffdc48ffe9e2ee9eb5c7a178b9733fc85692a30af6.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:3384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e1eda042de4b7978c70c03ffdc48ffe9e2ee9eb5c7a178b9733fc85692a30af6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e1eda042de4b7978c70c03ffdc48ffe9e2ee9eb5c7a178b9733fc85692a30af6.exe"
      2⤵
      • Executes dropped EXE
      PID:4744

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\e1eda042de4b7978c70c03ffdc48ffe9e2ee9eb5c7a178b9733fc85692a30af6.exe

    Filesize

    182KB

    MD5

    e3c80d9228e133115d290281e836e1c5

    SHA1

    9b75abb1e09213c1f405f704d0fe48a692740cff

    SHA256

    c2696201d27b854069d614a74ff9a8b0d1940eab9d4a52bfefb7ba07a5651eb4

    SHA512

    4483aa6559e1c57437aab31b0f4139c7179b952d01e664067e078dad06f3e67dd2173c27134c260eb142e77b18bd3f7cd8c34bc43fd700c47e98420e4120c641

  • memory/3384-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3384-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3384-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3384-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB