Analysis

  • max time kernel
    112s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 02:58

General

  • Target

    f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4N.exe

  • Size

    3.1MB

  • MD5

    83bc6873a7977706a187a72d43538370

  • SHA1

    9f9f8cac87edcfb3f5c64ccbea4d9340efc0d798

  • SHA256

    f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4

  • SHA512

    cb7172da9dc701ce3d14919af9003ae1f3b29fc22c60846f0886ea6ef445a04312f39e9c29782808d69121f754e904e6b6213ae3b72d18ceeef3569cb14c0965

  • SSDEEP

    49152:Otub5iT64321IMNRt3piRD2Lr22P6gkX+h8g9HAvdD:OtuS64321IMHCCXPbkOegZch

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

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://shineugler.biz/api

Extracted

Family

lumma

C2

https://shineugler.biz/api

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Lumma Stealer, LummaC

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

  • Lumma 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 3 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.

  • 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
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4N.exe
    "C:\Users\Admin\AppData\Local\Temp\f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4N.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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • 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:3004
      • C:\Users\Admin\AppData\Local\Temp\1015894001\98d8a0a1c9.exe
        "C:\Users\Admin\AppData\Local\Temp\1015894001\98d8a0a1c9.exe"
        3⤵
        • 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:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1015894001\98d8a0a1c9.exe

    Filesize

    1.7MB

    MD5

    6c1d0dabe1ec5e928f27b3223f25c26b

    SHA1

    e25ab704a6e9b3e4c30a6c1f7043598a13856ad9

    SHA256

    92228a0012605351cf08df9a2ad4b93fa552d7a75991f81fb80f1ae854a0e57d

    SHA512

    3a3f7af4f6018fcbd8c6f2871270504731cf269134453c9a146351c3e4a5c89165ecccafb3655d8b39c1ff1ec68f06e1851c0abd66d47602e1f0f8e36d4acfe9

  • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

    Filesize

    3.1MB

    MD5

    83bc6873a7977706a187a72d43538370

    SHA1

    9f9f8cac87edcfb3f5c64ccbea4d9340efc0d798

    SHA256

    f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4

    SHA512

    cb7172da9dc701ce3d14919af9003ae1f3b29fc22c60846f0886ea6ef445a04312f39e9c29782808d69121f754e904e6b6213ae3b72d18ceeef3569cb14c0965

  • memory/1680-1-0x00000000777B0000-0x00000000777B2000-memory.dmp

    Filesize

    8KB

  • memory/1680-2-0x00000000008B1000-0x0000000000919000-memory.dmp

    Filesize

    416KB

  • memory/1680-3-0x00000000008B0000-0x0000000000BC4000-memory.dmp

    Filesize

    3.1MB

  • memory/1680-4-0x00000000008B0000-0x0000000000BC4000-memory.dmp

    Filesize

    3.1MB

  • memory/1680-9-0x00000000008B0000-0x0000000000BC4000-memory.dmp

    Filesize

    3.1MB

  • memory/1680-16-0x00000000008B0000-0x0000000000BC4000-memory.dmp

    Filesize

    3.1MB

  • memory/1680-0-0x00000000008B0000-0x0000000000BC4000-memory.dmp

    Filesize

    3.1MB

  • memory/1680-17-0x00000000008B1000-0x0000000000919000-memory.dmp

    Filesize

    416KB

  • memory/2092-50-0x00000000012E0000-0x000000000176B000-memory.dmp

    Filesize

    4.5MB

  • memory/2092-43-0x00000000012E0000-0x000000000176B000-memory.dmp

    Filesize

    4.5MB

  • memory/3004-18-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-51-0x0000000005CD0000-0x000000000615B000-memory.dmp

    Filesize

    4.5MB

  • memory/3004-22-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-39-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-20-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-42-0x0000000005CD0000-0x000000000615B000-memory.dmp

    Filesize

    4.5MB

  • memory/3004-40-0x0000000005CD0000-0x000000000615B000-memory.dmp

    Filesize

    4.5MB

  • memory/3004-44-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-46-0x0000000000F81000-0x0000000000FE9000-memory.dmp

    Filesize

    416KB

  • memory/3004-48-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-19-0x0000000000F81000-0x0000000000FE9000-memory.dmp

    Filesize

    416KB

  • memory/3004-23-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-52-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-53-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-54-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-55-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-56-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-57-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-58-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-59-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-60-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB

  • memory/3004-61-0x0000000000F80000-0x0000000001294000-memory.dmp

    Filesize

    3.1MB