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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 00:07

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    54dd56c2c79350de18dc0be27360520d

  • SHA1

    8d32085a161f172fc0c068345d1b899540029f62

  • SHA256

    4dd18eb9b199c980ea742761d2faddc7d977b7f938ba158852cc7be6d0b681b4

  • SHA512

    5116965217d3a018c8e427815b607e3d89a0a9a462480566ac7e4e2bf70e750d6e2f671ecd432565df7048dada921c7cec41e91ade210f46b3da2bcfedad9bb7

  • SSDEEP

    49152:nso3sEFO4iNDPvNrb7KnjPU4ECoK8efYTc:RFFWNbNK7Uc8Er

Malware Config

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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
    • Suspicious behavior: EnumeratesProcesses
    PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2656-0-0x0000000000B80000-0x0000000001217000-memory.dmp

    Filesize

    6.6MB

  • memory/2656-1-0x0000000077E70000-0x0000000077E72000-memory.dmp

    Filesize

    8KB

  • memory/2656-3-0x0000000000B80000-0x0000000001217000-memory.dmp

    Filesize

    6.6MB

  • memory/2656-2-0x0000000000B81000-0x0000000000B95000-memory.dmp

    Filesize

    80KB

  • memory/2656-4-0x0000000000B80000-0x0000000001217000-memory.dmp

    Filesize

    6.6MB