Analysis

  • max time kernel
    141s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 02:54

General

  • Target

    46ed6a8df27da6eeb92298a77ec1162e6e67884e7f07020b23c06137768506ae.exe

  • Size

    3.1MB

  • MD5

    3d808f3a657c3db4bdff5f4f60121711

  • SHA1

    3b1c1d0df4201a56988e020201836f8f581351d3

  • SHA256

    46ed6a8df27da6eeb92298a77ec1162e6e67884e7f07020b23c06137768506ae

  • SHA512

    31df54b32c6cac3869b9c2dc06c3cf080f218354c6b3a74517e879bf2acd391f22bb013847b7c445dd801b8e4e2d308278f8acc9684c0ae8ceffdfa45bd8ccb5

  • SSDEEP

    98304:r8wl6E5d5IcRsYtD0EDYUGKFdu9CwJsv6ti6i:r10E5nRsYtjGKFdu9CwJsv6tiR

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:2452
    • 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:528
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 1264
        3⤵
        • Program crash
        PID:388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 528 -ip 528
    1⤵
      PID:448

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\㜴䘸㐷㡑㡑䝺兺圴
      Filesize

      38KB

      MD5

      3992f464696b0eeff236aef93b1fdbd5

      SHA1

      8dddabaea6b342efc4f5b244420a0af055ae691e

      SHA256

      0d1a8457014f2eb2563a91d1509dba38f6c418fedf5f241d8579d15a93e40e14

      SHA512

      27a63b43dc50faf4d9b06e10daa15e83dfb3f3be1bd3af83ea6990bd8ae6d3a6a7fc2f928822db972aaf1305970f4587d768d68cd7e1124bc8f710c1d3ee19a6

    • memory/528-6-0x0000000000400000-0x000000000063C000-memory.dmp
      Filesize

      2.2MB

    • memory/528-7-0x0000000000400000-0x000000000063C000-memory.dmp
      Filesize

      2.2MB

    • memory/528-2-0x0000000000400000-0x000000000063C000-memory.dmp
      Filesize

      2.2MB

    • memory/528-8-0x0000000000400000-0x000000000063C000-memory.dmp
      Filesize

      2.2MB

    • memory/528-9-0x0000000000400000-0x000000000063C000-memory.dmp
      Filesize

      2.2MB