Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-05-2024 17:00

General

  • Target

    f9a5372461b4ce7f98dff43d9c69102b1d7ddf8bc571e9a2f8847c350ad58c4c.exe

  • Size

    213KB

  • MD5

    8a8489ca6f5fac3f011b3f35ed013f74

  • SHA1

    a2a35801a675270b6bcbe857f4d9f7d7e1ec9e2f

  • SHA256

    f9a5372461b4ce7f98dff43d9c69102b1d7ddf8bc571e9a2f8847c350ad58c4c

  • SHA512

    d0e9d568fdb4ec0d824f13a67b1b5bd4fdfeee3715b71214d6778d1ac14a6340704350a956d2185038ea407cede470985c8bbab7a5427ea9bb73b179efec975e

  • SSDEEP

    3072:sVkb/HqEy6oMVZXp++d0t48mccSaU1sjBo74Nps5rRpodup:iG/HqgoS+KccSaUuBPjdu

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

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\f9a5372461b4ce7f98dff43d9c69102b1d7ddf8bc571e9a2f8847c350ad58c4c.exe
    "C:\Users\Admin\AppData\Local\Temp\f9a5372461b4ce7f98dff43d9c69102b1d7ddf8bc571e9a2f8847c350ad58c4c.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 1356
      2⤵
      • Program crash
      PID:4876
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4612 -ip 4612
    1⤵
      PID:1588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4612-3-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/4612-2-0x0000000002E60000-0x0000000002E87000-memory.dmp

      Filesize

      156KB

    • memory/4612-1-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

      Filesize

      1024KB

    • memory/4612-4-0x0000000000400000-0x0000000002AF2000-memory.dmp

      Filesize

      38.9MB

    • memory/4612-6-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

      Filesize

      1024KB

    • memory/4612-7-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/4612-8-0x0000000000400000-0x0000000002AF2000-memory.dmp

      Filesize

      38.9MB

    • memory/4612-10-0x0000000000400000-0x0000000002AF2000-memory.dmp

      Filesize

      38.9MB

    • memory/4612-12-0x0000000000400000-0x0000000002AF2000-memory.dmp

      Filesize

      38.9MB

    • memory/4612-14-0x0000000000400000-0x0000000002AF2000-memory.dmp

      Filesize

      38.9MB

    • memory/4612-18-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB