Analysis

  • max time kernel
    90s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 05:56

General

  • Target

    e8adfe14ec237290bd1d09c67cccc82ddeab1709adf23fff0f65033c645e48d8.exe

  • Size

    1.7MB

  • MD5

    65676205165c0beac882ab611131a395

  • SHA1

    986b422b50dbd4edc00ae218b975d26f81f48963

  • SHA256

    e8adfe14ec237290bd1d09c67cccc82ddeab1709adf23fff0f65033c645e48d8

  • SHA512

    49a57d53466de1ede5e19294134c6112a2617d3759120523fe48771f20e79f2eec0a92c81426bcc4146535f4fd03b8f8ae400151ac21fb5ea59e71f3b0847b15

  • SSDEEP

    49152:AbwhOpn+NsUPONs0x6vmm3zT0f2km+zjzYgZfiE3NuMr:XheUsUPONsfuMT0uofiE3NX

Malware Config

Extracted

Family

stealc

Botnet

kira

C2

http://185.215.113.115

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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8adfe14ec237290bd1d09c67cccc82ddeab1709adf23fff0f65033c645e48d8.exe
    "C:\Users\Admin\AppData\Local\Temp\e8adfe14ec237290bd1d09c67cccc82ddeab1709adf23fff0f65033c645e48d8.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
    PID:3712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 1472
      2⤵
      • Program crash
      PID:500
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3712 -ip 3712
    1⤵
      PID:2988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3712-0-0x0000000000C40000-0x00000000012CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3712-1-0x00000000773D4000-0x00000000773D6000-memory.dmp

      Filesize

      8KB

    • memory/3712-2-0x0000000000C41000-0x0000000000C58000-memory.dmp

      Filesize

      92KB

    • memory/3712-3-0x0000000000C40000-0x00000000012CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3712-4-0x0000000000C40000-0x00000000012CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3712-5-0x0000000000C40000-0x00000000012CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3712-6-0x0000000000C40000-0x00000000012CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3712-7-0x0000000000C40000-0x00000000012CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3712-8-0x0000000000C40000-0x00000000012CA000-memory.dmp

      Filesize

      6.5MB