Analysis

  • max time kernel
    96s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 14:09

General

  • Target

    b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe

  • Size

    1.8MB

  • MD5

    9f66aacf7a94a3dd7f2c5355cd466834

  • SHA1

    f1dad7d27c8d99766eb7fe7d1faab49a2fd3668b

  • SHA256

    b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253

  • SHA512

    7ca05b5835b128041c5986bb4f20760782e425dc0b568649e47a05f064bf0b9464a0a0720654ec01e463d9e8f84dc4243f2af2532029373ca859973782da6f90

  • SSDEEP

    49152:XAVrz3vWHc/P7SELe3yDiB1xLGcvqaeQ799A:XAVrz6cuEM1hGcSQ74

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\b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
    "C:\Users\Admin\AppData\Local\Temp\b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.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:5012
    • C:\Users\Admin\AppData\Local\Temp\0GT1XSQFOW79HCYZ2T4BG34R.exe
      "C:\Users\Admin\AppData\Local\Temp\0GT1XSQFOW79HCYZ2T4BG34R.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:1576
    • C:\Users\Admin\AppData\Local\Temp\KQIO63ACV5FODSLXY4.exe
      "C:\Users\Admin\AppData\Local\Temp\KQIO63ACV5FODSLXY4.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:720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\0GT1XSQFOW79HCYZ2T4BG34R.exe

    Filesize

    2.6MB

    MD5

    f86c08a75747002a2a7cd3fbc5fe05c8

    SHA1

    7b9776338fe3a06350c16bc62e927f5ba6490723

    SHA256

    5b4d3426cd705909f38f2a136e2a5a1e593fd66a68c01b0e715f533d20a4218a

    SHA512

    2b8ab4cb0d7aba429f5835462a1c16dd4d0bc1a13c40c5ddf27a900295ca3c168dba79b8af97b26f80017755514e43f71120f1c309dece1fabd41d9147e63790

  • C:\Users\Admin\AppData\Local\Temp\KQIO63ACV5FODSLXY4.exe

    Filesize

    1.7MB

    MD5

    e33dc32f04e77bc26482baccb87b9795

    SHA1

    e4a57ead636bd006cecb7d9ec5e9aa36432e1372

    SHA256

    b2ecbacaf99db2c41066c1914b8b3116b5e25683e6552802a24b08d00d563431

    SHA512

    13d735438d20b0d352719c6e32584ed6abfaad6092ff9124393b3f1c6d6aa4314d0ce27c16cc654583973369572ec823423be9be04e34c50184976c0a35c96cf

  • memory/720-29-0x0000000000F80000-0x0000000001615000-memory.dmp

    Filesize

    6.6MB

  • memory/720-26-0x0000000000F80000-0x0000000001615000-memory.dmp

    Filesize

    6.6MB

  • memory/1576-34-0x0000000000180000-0x0000000000430000-memory.dmp

    Filesize

    2.7MB

  • memory/1576-30-0x0000000000180000-0x0000000000430000-memory.dmp

    Filesize

    2.7MB

  • memory/1576-20-0x0000000000180000-0x0000000000430000-memory.dmp

    Filesize

    2.7MB

  • memory/1576-19-0x0000000000180000-0x0000000000430000-memory.dmp

    Filesize

    2.7MB

  • memory/1576-17-0x0000000000180000-0x0000000000430000-memory.dmp

    Filesize

    2.7MB

  • memory/5012-6-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-0-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-12-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-13-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-9-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-8-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-7-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-10-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-21-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-5-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-4-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-28-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-3-0x00000000003D0000-0x0000000000864000-memory.dmp

    Filesize

    4.6MB

  • memory/5012-2-0x00000000003D1000-0x00000000003F6000-memory.dmp

    Filesize

    148KB

  • memory/5012-1-0x0000000077A14000-0x0000000077A16000-memory.dmp

    Filesize

    8KB