Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 04:00

General

  • Target

    fe7c9c900df7c51f53243053dcf41ee781d284206742952aea704735d8d4a198.exe

  • Size

    420KB

  • MD5

    26ceb3d9dcc1821192b39eea6832d51d

  • SHA1

    d22dae62f3d122acaec58a03550d5d99a9b7cfb4

  • SHA256

    fe7c9c900df7c51f53243053dcf41ee781d284206742952aea704735d8d4a198

  • SHA512

    2dd773c7afa7cb46c1f94d195e9b542a5e8ec150b608d8dcde0aa60f7aff15ea0fced33fe647519cca91ada905dce14576a8b2b84bc0c9ecfc6f362a3cdccda8

  • SSDEEP

    12288:+kmdgMiHbQuCIu+Sp+tXcyZpCxFzR7DB5:zmAHq+Sp+RbpCrF7V

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://92.255.57.89

Attributes
  • url_path

    /45c616e921a794b8.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe7c9c900df7c51f53243053dcf41ee781d284206742952aea704735d8d4a198.exe
    "C:\Users\Admin\AppData\Local\Temp\fe7c9c900df7c51f53243053dcf41ee781d284206742952aea704735d8d4a198.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Local\Temp\23B8.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\23B8.tmp.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\23B8.tmp.exe

    Filesize

    297KB

    MD5

    9d773e345dca0487c5654a92e6340baa

    SHA1

    6db3a6b22e452ff6ba55bb28d78dca1ea0fdea6a

    SHA256

    176ee771c395dc6748a4c973a15d53a5d68b9704989349a862714e4bdc0f9fda

    SHA512

    a8d94374d51141fd9654e960e6b1f28fc10ace788bee77db1efe01aa1a3020cb7f53230238b832be1ebadfa73076ac51157d1c18175abee0fe66566a3d6786ac

  • memory/1624-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/1624-2-0x00000000008C0000-0x0000000000925000-memory.dmp

    Filesize

    404KB

  • memory/1624-3-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB

  • memory/1624-19-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/1624-40-0x00000000008C0000-0x0000000000925000-memory.dmp

    Filesize

    404KB

  • memory/1624-39-0x0000000000400000-0x0000000000841000-memory.dmp

    Filesize

    4.3MB

  • memory/1624-42-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB

  • memory/2692-43-0x0000000000400000-0x0000000000822000-memory.dmp

    Filesize

    4.1MB

  • memory/2692-44-0x0000000000400000-0x0000000000822000-memory.dmp

    Filesize

    4.1MB

  • memory/2692-45-0x0000000000400000-0x0000000000822000-memory.dmp

    Filesize

    4.1MB

  • memory/2692-47-0x0000000000400000-0x0000000000822000-memory.dmp

    Filesize

    4.1MB