Analysis

  • max time kernel
    93s
  • max time network
    123s
  • 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 04:35

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:4868
    • C:\Users\Admin\AppData\Local\Temp\DY6XL3LUZS763S9L09ZHUGRX153B.exe
      "C:\Users\Admin\AppData\Local\Temp\DY6XL3LUZS763S9L09ZHUGRX153B.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:3336
    • C:\Users\Admin\AppData\Local\Temp\GF6ZD15KI4P2HGGGXI6RX0PGCR.exe
      "C:\Users\Admin\AppData\Local\Temp\GF6ZD15KI4P2HGGGXI6RX0PGCR.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:548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\DY6XL3LUZS763S9L09ZHUGRX153B.exe

    Filesize

    1.7MB

    MD5

    2bd7be5558ce4203112063f6b2c45454

    SHA1

    c0aa5acecc953e6cab2482b12c9e31ee9ce2804c

    SHA256

    be4d98eb32b36999f88fa786b3ee8d77abf2177421c04984c27e16aa8153e4aa

    SHA512

    69e472d56b45a8ce6df10725f80e20738327a4d9037894e8da910747081ce9496e5c4c59cf23a128088cea1c62a514ddf457680854a37cdcf27c22eeffe546f2

  • C:\Users\Admin\AppData\Local\Temp\GF6ZD15KI4P2HGGGXI6RX0PGCR.exe

    Filesize

    2.8MB

    MD5

    7d8e297d9b2cdcb4bfc19cb761f0abf8

    SHA1

    7c41c6737ebc85cee2b5f61fdc515606356ed262

    SHA256

    8a988b1b507d489e9627de9f397353e9713e8bdd8125686d3fbcba852ca77bf6

    SHA512

    e937f013c613a5b5ad6df0ceb78b97711328c767bb353ecdc61f29e72e64bced3dde757c5a77ae1516d902e5099f10c9b2455381610f4827d52c2b44e6d4fd41

  • memory/548-21-0x0000000000390000-0x000000000088F000-memory.dmp

    Filesize

    5.0MB

  • memory/548-19-0x0000000000390000-0x000000000088F000-memory.dmp

    Filesize

    5.0MB

  • memory/3336-11-0x0000000000170000-0x00000000005F0000-memory.dmp

    Filesize

    4.5MB

  • memory/3336-10-0x0000000000170000-0x00000000005F0000-memory.dmp

    Filesize

    4.5MB

  • memory/3336-13-0x0000000000170000-0x00000000005F0000-memory.dmp

    Filesize

    4.5MB

  • memory/3336-22-0x0000000000170000-0x00000000005F0000-memory.dmp

    Filesize

    4.5MB

  • memory/3336-26-0x0000000000170000-0x00000000005F0000-memory.dmp

    Filesize

    4.5MB

  • memory/4868-5-0x0000000000DA0000-0x000000000123B000-memory.dmp

    Filesize

    4.6MB

  • memory/4868-4-0x0000000000DA0000-0x000000000123B000-memory.dmp

    Filesize

    4.6MB

  • memory/4868-0-0x0000000000DA0000-0x000000000123B000-memory.dmp

    Filesize

    4.6MB

  • memory/4868-12-0x0000000000DA0000-0x000000000123B000-memory.dmp

    Filesize

    4.6MB

  • memory/4868-3-0x0000000000DA0000-0x000000000123B000-memory.dmp

    Filesize

    4.6MB

  • memory/4868-2-0x0000000000DA1000-0x0000000000DC6000-memory.dmp

    Filesize

    148KB

  • memory/4868-1-0x0000000077434000-0x0000000077436000-memory.dmp

    Filesize

    8KB