Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/06/2024, 01:14

General

  • Target
    46ed6a8df27da6eeb92298a77ec1162e6e67884e7f07020b23c06137768506ae.exe
  • Size 3.1MB
  • Sample240621-blqbbavaje
  • SHA256 46ed6a8df27da6eeb92298a77ec1162e6e67884e7f07020b23c06137768506ae
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • default

C2
  • http://5.42.104.211

Attributes
  • url_path

    /94903f819d758732.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46ed6a8df27da6eeb92298a77ec1162e6e67884e7f07020b23c06137768506ae.exe
    "C:\Users\Admin\AppData\Local\Temp\46ed6a8df27da6eeb92298a77ec1162e6e67884e7f07020b23c06137768506ae.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\㜴䘸㐷㡑㡑䝺兺圴
      "C:\Users\Admin\AppData\Local\Temp\㜴䘸㐷㡑㡑䝺兺圴"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1212
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 800
        3⤵
        • Program crash
        PID:4140
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1212 -ip 1212
    1⤵
      PID:3992

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          㜴䘸㐷㡑㡑䝺兺圴

          • Path C:\Users\Admin\AppData\Local\Temp\㜴䘸㐷㡑㡑䝺兺圴
          • Size 38KB
          • SHA256 0d1a8457014f2eb2563a91d1509dba38f6c418fedf5f241d8579d15a93e40e14
          • MD5 SHA1 SHA512 SSDEEP

          memory/1212-6-0x0000000000400000-0x000000000063C000-memory.dmp

          memory/1212-7-0x0000000000400000-0x000000000063C000-memory.dmp

          memory/1212-2-0x0000000000400000-0x000000000063C000-memory.dmp

          memory/1212-8-0x0000000000400000-0x000000000063C000-memory.dmp

          memory/1212-9-0x0000000000400000-0x000000000063C000-memory.dmp