Analysis

  • max time kernel
    140s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2023, 11:46

General

  • Target

    546a88deccac12d32cb3a91f1216e63753d3b221d8f20b63b455bc76f3601bec.exe

  • Size

    177KB

  • MD5

    6b8fb6abd4fe5a7d07dec0810d2419f6

  • SHA1

    98d0e0d1dd40beccb943368c14973e5954ebe02d

  • SHA256

    546a88deccac12d32cb3a91f1216e63753d3b221d8f20b63b455bc76f3601bec

  • SHA512

    6c5e35b44b6a27145e318e819d2506af8ffb30d0dc786e3a6da7784c066c34fe986e0bfa75f0fc68db1643aa550587333152030e81b773c74e4834bfeeaba421

  • SSDEEP

    3072:npXY6Kuc2eaCfqoV1SRjcTpXd4YhHFVUBedqQVYYdPtRT/o+:NXKt2e7fq7RkRhTUBjZiVlo

Malware Config

Extracted

Family

stealc

rc4.plain

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\546a88deccac12d32cb3a91f1216e63753d3b221d8f20b63b455bc76f3601bec.exe
    "C:\Users\Admin\AppData\Local\Temp\546a88deccac12d32cb3a91f1216e63753d3b221d8f20b63b455bc76f3601bec.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1712

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1712-1-0x0000000000880000-0x0000000000980000-memory.dmp

          Filesize

          1024KB

        • memory/1712-2-0x0000000000220000-0x000000000023B000-memory.dmp

          Filesize

          108KB

        • memory/1712-3-0x0000000000400000-0x00000000007B5000-memory.dmp

          Filesize

          3.7MB

        • memory/1712-4-0x0000000000880000-0x0000000000980000-memory.dmp

          Filesize

          1024KB

        • memory/1712-5-0x0000000000400000-0x00000000007B5000-memory.dmp

          Filesize

          3.7MB

        • memory/1712-6-0x0000000000220000-0x000000000023B000-memory.dmp

          Filesize

          108KB

        • memory/1712-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/1712-37-0x0000000000400000-0x00000000007B5000-memory.dmp

          Filesize

          3.7MB

        • memory/1712-42-0x0000000000400000-0x00000000007B5000-memory.dmp

          Filesize

          3.7MB

        • memory/1712-46-0x0000000000400000-0x00000000007B5000-memory.dmp

          Filesize

          3.7MB

        • memory/1712-51-0x0000000000400000-0x00000000007B5000-memory.dmp

          Filesize

          3.7MB