Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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 03:06

General

  • Target

    5d2b5f0d8b9fbfb231b99678bb332bee9cfef9aa6c2ed7e994dbabbb83639004.exe

  • Size

    1.8MB

  • MD5

    9b88afc4511d0fe8aca6080d34f2dd66

  • SHA1

    4d0abcc2f053e2b17d3064f65dffc171f873b043

  • SHA256

    5d2b5f0d8b9fbfb231b99678bb332bee9cfef9aa6c2ed7e994dbabbb83639004

  • SHA512

    f4e9c5bbbb27eb07c192226390833714b82b94cfa4a9fb6b0e0a75ece7b51eb009b9c2bdc3b70c2ee77a56b7496c1251c50888471cddf32a2f307eaf134b1490

  • SSDEEP

    49152:5Ir6N++PRgxCGbe4K9FTTH/e3p7IJIZ1KFvGTPeMXPgnktG:t+PHbe4qe5601ssGM/Nt

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\5d2b5f0d8b9fbfb231b99678bb332bee9cfef9aa6c2ed7e994dbabbb83639004.exe
    "C:\Users\Admin\AppData\Local\Temp\5d2b5f0d8b9fbfb231b99678bb332bee9cfef9aa6c2ed7e994dbabbb83639004.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:2348
    • C:\Users\Admin\AppData\Local\Temp\RAFTJY0LPBE3QW9QKA4.exe
      "C:\Users\Admin\AppData\Local\Temp\RAFTJY0LPBE3QW9QKA4.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:2804
    • C:\Users\Admin\AppData\Local\Temp\VUQQLFR62EVP3BMCTAKH85BD4OWW.exe
      "C:\Users\Admin\AppData\Local\Temp\VUQQLFR62EVP3BMCTAKH85BD4OWW.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:4112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RAFTJY0LPBE3QW9QKA4.exe

    Filesize

    1.6MB

    MD5

    c22653a5dec4646861e3a66a0275dbc5

    SHA1

    627a1c28de11ba6bed383a2947aa482c1cfa14e7

    SHA256

    7d70a4737819c33b2875e14f862a474910e1d8618ae4b16dc194ca9a68dae9c7

    SHA512

    e1c1add085fbf978055385288f613fe65011d8c827d7c9d73b0f06ee303df87b4877d68b30988aea0f7730c854b23db11dbfdda313f1a2a6f00ede0aaca61dac

  • C:\Users\Admin\AppData\Local\Temp\VUQQLFR62EVP3BMCTAKH85BD4OWW.exe

    Filesize

    2.8MB

    MD5

    f10511fc918f0b1648e448adabadb5ac

    SHA1

    de86f9989345f527964309965735cdaee4935ff9

    SHA256

    b60a85fbc4a8c4db17b7a02e922fa6354ed7bab533fab292fc79b6c73e17e1b4

    SHA512

    414055e0a1f1d3c625de5f36e69530bf8f3e88b77e56ec95dd64761580a0f1ac32cd42b1ad30fb8ad9ae8382d610a4ea7d8c0c368b03a615b046cfeaea22040b

  • memory/2348-13-0x0000000000620000-0x0000000000ACC000-memory.dmp

    Filesize

    4.7MB

  • memory/2348-1-0x0000000077E54000-0x0000000077E56000-memory.dmp

    Filesize

    8KB

  • memory/2348-2-0x0000000000621000-0x0000000000646000-memory.dmp

    Filesize

    148KB

  • memory/2348-3-0x0000000000620000-0x0000000000ACC000-memory.dmp

    Filesize

    4.7MB

  • memory/2348-4-0x0000000000620000-0x0000000000ACC000-memory.dmp

    Filesize

    4.7MB

  • memory/2348-5-0x0000000000620000-0x0000000000ACC000-memory.dmp

    Filesize

    4.7MB

  • memory/2348-0-0x0000000000620000-0x0000000000ACC000-memory.dmp

    Filesize

    4.7MB

  • memory/2804-12-0x00000000002D0000-0x0000000000726000-memory.dmp

    Filesize

    4.3MB

  • memory/2804-11-0x00000000002D0000-0x0000000000726000-memory.dmp

    Filesize

    4.3MB

  • memory/2804-10-0x00000000002D0000-0x0000000000726000-memory.dmp

    Filesize

    4.3MB

  • memory/2804-21-0x00000000002D0000-0x0000000000726000-memory.dmp

    Filesize

    4.3MB

  • memory/2804-25-0x00000000002D0000-0x0000000000726000-memory.dmp

    Filesize

    4.3MB

  • memory/4112-18-0x0000000000360000-0x0000000000864000-memory.dmp

    Filesize

    5.0MB

  • memory/4112-20-0x0000000000360000-0x0000000000864000-memory.dmp

    Filesize

    5.0MB