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Analysis

  • max time kernel
    137s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2023, 12:59

General

  • Target

    NEAS.53de52681666c9f76258224aac7e94e0.exe

  • Size

    222KB

  • MD5

    53de52681666c9f76258224aac7e94e0

  • SHA1

    1f27f8e818e14008f400b795fa70a9793d82bfcb

  • SHA256

    eb54dab9a40c3f156794c2c4294e04a44e25232e32602d38882ff59057d223ca

  • SHA512

    e7b22b80c3b7a34c33e48b2c1f0b8c9dc298c32ee5c565cc898e63ddf300dd38ebd4f9a0f1708cbfa587264354ab9edebdb228934218c9ebbc51511f38b54600

  • SSDEEP

    3072:9Gfxo/K9iTrBKshNLRO1TRPx9fKqEw9/DQdH2sFip1NLg67ACLYOLjguk:98oVrBKV1tPz9NJp1N868BOLEv

Malware Config

Extracted

Family

stealc

C2

http://howardwood.top

Attributes
  • url_path

    /e9c345fc99a4e67e.php

rc4.plain

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Checks installed software on the system 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.53de52681666c9f76258224aac7e94e0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.53de52681666c9f76258224aac7e94e0.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 1156
      2⤵
      • Program crash
      PID:2032
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1076 -ip 1076
    1⤵
      PID:3372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1076-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

      Filesize

      1024KB

    • memory/1076-2-0x0000000000890000-0x00000000008AB000-memory.dmp

      Filesize

      108KB

    • memory/1076-3-0x0000000000400000-0x00000000007C0000-memory.dmp

      Filesize

      3.8MB

    • memory/1076-4-0x0000000000400000-0x00000000007C0000-memory.dmp

      Filesize

      3.8MB

    • memory/1076-5-0x00000000008E0000-0x00000000009E0000-memory.dmp

      Filesize

      1024KB

    • memory/1076-6-0x0000000000890000-0x00000000008AB000-memory.dmp

      Filesize

      108KB

    • memory/1076-7-0x0000000000400000-0x00000000007C0000-memory.dmp

      Filesize

      3.8MB