Analysis

  • max time kernel
    119s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08-02-2025 12:48

General

  • Target

    845f79a7b30edf97aafb682109eb1b5cd205859c2b10f786480920112a278b9c.exe

  • Size

    1.7MB

  • MD5

    b9c972302e3b1e12da876f169ab11ecb

  • SHA1

    99504a9da2b9d64c20254c19ae6a9ec73cb3c763

  • SHA256

    845f79a7b30edf97aafb682109eb1b5cd205859c2b10f786480920112a278b9c

  • SHA512

    1289c13a39c7314741f20f00a8937dbcbe40139e8575897d0011fce3a502a7fb2921993bd17fd9500e108897febc86886864e1d31d2a6b38f3d9c1233553c3be

  • SSDEEP

    49152:I3U7sUy61ZW12DJT9WZCpq+amN8uyGzWV/6f5zGwbvDMcov:B7sUy6vWYhPpq8zzVGwbvDpM

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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\845f79a7b30edf97aafb682109eb1b5cd205859c2b10f786480920112a278b9c.exe
    "C:\Users\Admin\AppData\Local\Temp\845f79a7b30edf97aafb682109eb1b5cd205859c2b10f786480920112a278b9c.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
    • Suspicious behavior: EnumeratesProcesses
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2736-0-0x0000000000830000-0x0000000000EAA000-memory.dmp

    Filesize

    6.5MB

  • memory/2736-1-0x00000000777D0000-0x00000000777D2000-memory.dmp

    Filesize

    8KB

  • memory/2736-3-0x0000000000831000-0x0000000000848000-memory.dmp

    Filesize

    92KB

  • memory/2736-2-0x0000000000830000-0x0000000000EAA000-memory.dmp

    Filesize

    6.5MB