Overview

overview

10

Static

static

3

3510bc95a4...dc.exe

windows7-x64

10

3510bc95a4...dc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 19:08

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General

  • Target

    3510bc95a4412145e1754f931893aefcf01b70ff5e9796ba4bfa67ef0ab2c7dc.exe

  • Size

    2.0MB

  • MD5

    fb736c61598ff32032e63d91e1e0cf71

  • SHA1

    a887e4453d10b80859f0d8e6b8c5dcdc86140949

  • SHA256

    3510bc95a4412145e1754f931893aefcf01b70ff5e9796ba4bfa67ef0ab2c7dc

  • SHA512

    18dcaed4ea648ff86f215490e0317eb16f801af45dd76b83275e3906da44ace101e229a757ec8627c02e23a6705e67f5d1dd5f1cb804278bc9ecffa5f8ac5c76

  • SSDEEP

    49152:7rYfTp7RtZGwLJhZIh5vLo1xl0nc0UHTXE2B:7Sd30wVhZIjLo1xVdzXN

Score
10/10
stealctalecredential_accessdiscoveryevasionspywarestealer

Malware Config

Extracted

Family

stealc

Botnet

tale

C2

http://185.215.113.206

Attributes
  • url_path

    /6c4adf523b719729.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

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

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

    evasion
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3510bc95a4412145e1754f931893aefcf01b70ff5e9796ba4bfa67ef0ab2c7dc.exe
    "C:\Users\Admin\AppData\Local\Temp\3510bc95a4412145e1754f931893aefcf01b70ff5e9796ba4bfa67ef0ab2c7dc.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\3510bc95a4412145e1754f931893aefcf01b70ff5e9796ba4bfa67ef0ab2c7dc.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\chrome.dll
    Filesize

    676KB

    MD5

    eda18948a989176f4eebb175ce806255

    SHA1

    ff22a3d5f5fb705137f233c36622c79eab995897

    SHA256

    81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

    SHA512

    160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

    Download Submit

  • memory/4036-0-0x0000000000E10000-0x0000000001535000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/4036-1-0x0000000077AA4000-0x0000000077AA6000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4036-2-0x0000000000E11000-0x0000000000E79000-memory.dmp

    Filesize

    416KB

    Download

  • memory/4036-3-0x0000000000E10000-0x0000000001535000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/4036-9-0x0000000000E10000-0x0000000001535000-memory.dmp

    Filesize

    7.1MB

    Download