Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 14:01

General

  • Target

    6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe

  • Size

    1.8MB

  • MD5

    cd0ac63bd2ece29fe4ab3ae30df60d15

  • SHA1

    a9e3659ed1d331406a9bd7826b334df47b7a39e1

  • SHA256

    6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210

  • SHA512

    9e14a59a590378a854c0262ccc34883583fb8176f71fb843ad05e18fab340e0957b73b83357630a9112d150253ac9f187e3edc56d2e1e58f80aea6e1dde5d941

  • SSDEEP

    24576:NQLO6ijXHg33UUyRRc6EAARJmWRURspriuai9cbmMo612OZpAIgrUMGfUN/yNNfb:NcLWi3UN/v0URQiuncYROZvKgEe1n

Malware Config

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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.

  • Loads dropped DLL 4 IoCs
  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
    "C:\Users\Admin\AppData\Local\Temp\6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\U8RY5A2B70QYMC8JJETICA9JML5JU.exe
      "C:\Users\Admin\AppData\Local\Temp\U8RY5A2B70QYMC8JJETICA9JML5JU.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:2892
    • C:\Users\Admin\AppData\Local\Temp\NOGDTUZ50E4GOCKDV4LSGAM3EHZ0X4H.exe
      "C:\Users\Admin\AppData\Local\Temp\NOGDTUZ50E4GOCKDV4LSGAM3EHZ0X4H.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:320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\NOGDTUZ50E4GOCKDV4LSGAM3EHZ0X4H.exe

    Filesize

    2.8MB

    MD5

    c47457332bef2f7d538492e41dbe426a

    SHA1

    cc41dc3d77ed516fdcb22a90415303cd5f1da6ef

    SHA256

    462feb1108da3f8026d92bc28fb4fb61d964b578c33f1f85cb4a026766dc2395

    SHA512

    26cd29c30e9d0664960518a87d0e6abf7b1212f5522edd868260b14c1e53dd3400c38f9e9ee5f71aeac56fc952a488b2ddebf8850f34bd1b19c72d246b039ad8

  • \Users\Admin\AppData\Local\Temp\U8RY5A2B70QYMC8JJETICA9JML5JU.exe

    Filesize

    1.7MB

    MD5

    7cbf44cce3192be728af21ab4631de68

    SHA1

    150dcf70ac86a64f731e9d382d907cfe8864bb34

    SHA256

    ac345b4397b11b35b1726e14806b43abf3c6b241b44721dc848eee9d671fc3d5

    SHA512

    39ea9a1c0bb9ad7b9abfcd47f605218508ef93ba30dd07ec86af1e7b69fb0d7c43ec35f7853842b6e6e428af0bfcd186e1d97c8ded61386d4b92f08690a4e99b

  • memory/320-35-0x00000000003A0000-0x0000000000897000-memory.dmp

    Filesize

    5.0MB

  • memory/320-34-0x00000000003A0000-0x0000000000897000-memory.dmp

    Filesize

    5.0MB

  • memory/2032-5-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2032-2-0x0000000000321000-0x0000000000346000-memory.dmp

    Filesize

    148KB

  • memory/2032-6-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2032-7-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2032-8-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2032-4-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2032-18-0x0000000006260000-0x00000000066D0000-memory.dmp

    Filesize

    4.4MB

  • memory/2032-17-0x0000000006260000-0x00000000066D0000-memory.dmp

    Filesize

    4.4MB

  • memory/2032-1-0x0000000077A50000-0x0000000077A52000-memory.dmp

    Filesize

    8KB

  • memory/2032-31-0x0000000006260000-0x0000000006757000-memory.dmp

    Filesize

    5.0MB

  • memory/2032-32-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2032-3-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2032-33-0x0000000006260000-0x0000000006757000-memory.dmp

    Filesize

    5.0MB

  • memory/2032-0-0x0000000000320000-0x00000000007C7000-memory.dmp

    Filesize

    4.7MB

  • memory/2892-21-0x0000000000FA0000-0x0000000001410000-memory.dmp

    Filesize

    4.4MB

  • memory/2892-20-0x0000000000FA0000-0x0000000001410000-memory.dmp

    Filesize

    4.4MB

  • memory/2892-19-0x0000000000FA0000-0x0000000001410000-memory.dmp

    Filesize

    4.4MB

  • memory/2892-38-0x0000000000FA0000-0x0000000001410000-memory.dmp

    Filesize

    4.4MB