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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2025, 10:25

General

  • Target

    e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe

  • Size

    1.8MB

  • MD5

    a17a6e5e1265ab35806fec867326aa8f

  • SHA1

    60b6ae5b5a0783a2ed92ab434436cbb6d01ab826

  • SHA256

    e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5

  • SHA512

    3923c843b594a170bcf7e91da0eb61e290a861fd99157f30fc6ae544cd5734e18ef563e03bacaeb7b230a7a0ecb25ffc8862d0dc934a0c8d724638f902e54fa2

  • SSDEEP

    49152:wDtsAsSYw8BWpMZnizw0VA7kEm4Om/up+:wJKWpIik0EmxP4

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe
    "C:\Users\Admin\AppData\Local\Temp\e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 928
      2⤵
      • Program crash
      PID:1056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2240-0-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-2-0x0000000001311000-0x0000000001328000-memory.dmp

    Filesize

    92KB

  • memory/2240-1-0x0000000077720000-0x0000000077722000-memory.dmp

    Filesize

    8KB

  • memory/2240-3-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-4-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-5-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-6-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-7-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-8-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-9-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-10-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB

  • memory/2240-11-0x0000000001310000-0x00000000019BC000-memory.dmp

    Filesize

    6.7MB