Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2024 10:53

General

  • Target

    79cdad6bc281b647ab2665d37f8d34e241c84c6747c8f63e93de2e1294bdecb5.exe

  • Size

    1.8MB

  • MD5

    6aadbb769e00f820d2fa913de7977760

  • SHA1

    9615aa3d245030d40009df70cbe606127e4becc5

  • SHA256

    79cdad6bc281b647ab2665d37f8d34e241c84c6747c8f63e93de2e1294bdecb5

  • SHA512

    b5595815d0a47e77c06851f77c796fa39b911aa1cffeda784241546031d5dc32449fa25a5a5e81d33c18c8375185b7f5f8c3c0a12252d7b0594f64891d6805d6

  • SSDEEP

    24576:4RS6bBy5R4+/mR5fgKFaibKnS8Wne4RoUEe+3uwT+PkNm82zcJeEaN3J/4erA:lR4++ffdFkSdnfRo1h8ym+kXr/V

Malware Config

Extracted

Family

stealc

Botnet

doma

C2

http://185.215.113.37

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
  • Downloads MZ/PE file
  • 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.

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

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79cdad6bc281b647ab2665d37f8d34e241c84c6747c8f63e93de2e1294bdecb5.exe
    "C:\Users\Admin\AppData\Local\Temp\79cdad6bc281b647ab2665d37f8d34e241c84c6747c8f63e93de2e1294bdecb5.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • 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
    PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/3020-0-0x0000000000E50000-0x00000000014F2000-memory.dmp

    Filesize

    6.6MB

  • memory/3020-1-0x0000000077070000-0x0000000077072000-memory.dmp

    Filesize

    8KB

  • memory/3020-3-0x0000000000E50000-0x00000000014F2000-memory.dmp

    Filesize

    6.6MB

  • memory/3020-2-0x0000000000E51000-0x0000000000E74000-memory.dmp

    Filesize

    140KB

  • memory/3020-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3020-42-0x0000000000E50000-0x00000000014F2000-memory.dmp

    Filesize

    6.6MB

  • memory/3020-65-0x0000000000E50000-0x00000000014F2000-memory.dmp

    Filesize

    6.6MB

  • memory/3020-66-0x0000000000E50000-0x00000000014F2000-memory.dmp

    Filesize

    6.6MB