Analysis

  • max time kernel
    94s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 15:24

General

  • Target

    cce6c6f51a01ff3662b263cd464e41b163db9590453603e2c8b5dee39d5f94d0.exe

  • Size

    1.8MB

  • MD5

    1d13d83ba0b9e54307060da3ad2c16bf

  • SHA1

    45fe957170c36b1704c25ff65d59dd8bbe6894cd

  • SHA256

    cce6c6f51a01ff3662b263cd464e41b163db9590453603e2c8b5dee39d5f94d0

  • SHA512

    803e1b9587fc7aab36c96d52fe901fa6dbe0523aa46da23afb0bd50f7ebcbe5bfd9793ac61cbdd4d228159786d240d5161ff80a5e445eaa00fc77cdf455eb526

  • SSDEEP

    24576:ujGFRFajDFCy++ZmOo3Ku3nMTpvvVxgjvS0CrhHnDvutPCisiQR5gCdcd3:ujeFmD/+Go3Ku3evVxquNrmPCwu

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 3 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • 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 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cce6c6f51a01ff3662b263cd464e41b163db9590453603e2c8b5dee39d5f94d0.exe
    "C:\Users\Admin\AppData\Local\Temp\cce6c6f51a01ff3662b263cd464e41b163db9590453603e2c8b5dee39d5f94d0.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
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\E9ER0WY8P3GYEWTL.exe
      "C:\Users\Admin\AppData\Local\Temp\E9ER0WY8P3GYEWTL.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Windows security modification
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1012
    • C:\Users\Admin\AppData\Local\Temp\SBE3UU1GVSC3SBN49.exe
      "C:\Users\Admin\AppData\Local\Temp\SBE3UU1GVSC3SBN49.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\E9ER0WY8P3GYEWTL.exe

    Filesize

    1.7MB

    MD5

    f2cf677babadbcf66be5b6925d970476

    SHA1

    e0a0af7b241ec576068d796336c4c6e7717981a0

    SHA256

    07e62cbe2492d263158762c413cfe0dc1ff7e9da26074c4b28c6a506c9253ff1

    SHA512

    7264dc65b8522f3bf43083aeb2faf684424a73eb1b030be44314982abe34ec9f23f168cb326054508a9dbff87f11a849578bab9b65c832c47adff438bb979def

  • C:\Users\Admin\AppData\Local\Temp\SBE3UU1GVSC3SBN49.exe

    Filesize

    2.8MB

    MD5

    84061ff2b02888f350dd0d0ede0479d7

    SHA1

    9d59578251487b20994b35fa711cb5e672de47b1

    SHA256

    b5607eabc939ebf86a0efd6d4fa534bcd9f275a350a137079cf2e298c1751911

    SHA512

    1e24c7bd9390aee22e017bef0e07e2d9e4291f8cef0508afaed2b6347fca0f9cf8752c76a4531b81a20c011d8b57345c3ace6e6b3c05b2099fef4e7a74f467e1

  • memory/608-13-0x0000000000290000-0x000000000072B000-memory.dmp

    Filesize

    4.6MB

  • memory/608-1-0x0000000077054000-0x0000000077056000-memory.dmp

    Filesize

    8KB

  • memory/608-2-0x0000000000291000-0x00000000002B6000-memory.dmp

    Filesize

    148KB

  • memory/608-3-0x0000000000290000-0x000000000072B000-memory.dmp

    Filesize

    4.6MB

  • memory/608-4-0x0000000000290000-0x000000000072B000-memory.dmp

    Filesize

    4.6MB

  • memory/608-5-0x0000000000290000-0x000000000072B000-memory.dmp

    Filesize

    4.6MB

  • memory/608-18-0x0000000000290000-0x000000000072B000-memory.dmp

    Filesize

    4.6MB

  • memory/608-0-0x0000000000290000-0x000000000072B000-memory.dmp

    Filesize

    4.6MB

  • memory/1012-11-0x0000000000590000-0x00000000009E8000-memory.dmp

    Filesize

    4.3MB

  • memory/1012-12-0x0000000000590000-0x00000000009E8000-memory.dmp

    Filesize

    4.3MB

  • memory/1012-10-0x0000000000590000-0x00000000009E8000-memory.dmp

    Filesize

    4.3MB

  • memory/1012-23-0x0000000000590000-0x00000000009E8000-memory.dmp

    Filesize

    4.3MB

  • memory/1012-26-0x0000000000590000-0x00000000009E8000-memory.dmp

    Filesize

    4.3MB

  • memory/4512-19-0x0000000000720000-0x0000000000C1C000-memory.dmp

    Filesize

    5.0MB

  • memory/4512-21-0x0000000000720000-0x0000000000C1C000-memory.dmp

    Filesize

    5.0MB