Resubmissions

08-10-2024 18:12

241008-ws5pssteqb 10

Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 18:12

General

  • Target

    Aura.exe

  • Size

    2.7MB

  • MD5

    ebcea241bb72d1c541d60bef37e72db2

  • SHA1

    c97391b1d839e4522610466771a1069e83ebb8dd

  • SHA256

    d5c07b87020c3f828eb65aff09629c9c2500ac199bb1691a8915991c086790bb

  • SHA512

    38b76b47a1af766e8fa163e782206316b31ad0ca6d02f57ba36a8692fa9c0b1d2497fd02e8474d407a8741768ec36b9c974310d32275838c8b4072aae59608b3

  • SSDEEP

    49152:07nCuBFB+Pf/pMNlmBy9W9l4uV31C6MEWmir8f01uVDoEKgH/o:px1By9WPMDxgFV9Xf

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    425

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 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 Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • NTFS ADS 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Aura.exe
    "C:\Users\Admin\AppData\Local\Temp\Aura.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\Aura.exe
      "C:\Users\Admin\AppData\Local\Temp\Aura.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2780
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\Aura.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4384
        • C:\Windows\system32\PING.EXE
          ping 1.1.1.1 -n 1 -w 3000
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2.7MB

    MD5

    ebcea241bb72d1c541d60bef37e72db2

    SHA1

    c97391b1d839e4522610466771a1069e83ebb8dd

    SHA256

    d5c07b87020c3f828eb65aff09629c9c2500ac199bb1691a8915991c086790bb

    SHA512

    38b76b47a1af766e8fa163e782206316b31ad0ca6d02f57ba36a8692fa9c0b1d2497fd02e8474d407a8741768ec36b9c974310d32275838c8b4072aae59608b3

  • C:\Users\Admin\AppData\Local\Temp\Aura.exe:a.dll

    Filesize

    1.4MB

    MD5

    52b828f7862b737b071c0762e055e1b5

    SHA1

    72310b6a9ab5a6b1c06173b5c34c05e46ad2f709

    SHA256

    71bfa65d9dd46d1b2bd21f0ee74e6ff5c1aa1ae9573294192fff99529afce130

    SHA512

    4cff6203ed40a56ac32d676bd0baa0af6d8eafded6967210d1bcc152eaad7e63e290c5f4353b631df95138cb34a27a9185c38396ce27246a3555055cbd2f8599

  • memory/1736-10-0x00007FFD1FD00000-0x00007FFD1FE64000-memory.dmp

    Filesize

    1.4MB

  • memory/1736-9-0x00007FF7DA750000-0x00007FF7DAA15000-memory.dmp

    Filesize

    2.8MB

  • memory/2780-4-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-7-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-8-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-6-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-19-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/2780-20-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB