Analysis

  • max time kernel
    150s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 00:03

General

  • Target

    Solara.exe

  • Size

    702.3MB

  • MD5

    4a8663562de787bd73373e3beb354ec4

  • SHA1

    7f47d22c13d7ba5d9468ab4eaed15e4db4558d3f

  • SHA256

    5a11f62b542cfdad4639e490ba312cf0a911edcccbee98dd859ca7c9af19313b

  • SHA512

    63cd2069a9fb8371d22c71a15138fc07632044ff40654428bd9c1ed1091bf266f6d00346dc1a24442afb2094340b536a3970e77eed80af5c82818736e19f2b08

  • SSDEEP

    24576:45gG2YYesWBxQiZhPoRHfIlhwBn9POOUKGlIaAI/+r5pGFccM4L+0RRKc9EeMbDx:4572gDjQOPmfnBROOUKGoAocLFRNAFG

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Work

  • extensions

    .txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

Signatures

  • Meduza

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

  • Meduza Stealer payload 3 IoCs
  • Meduza family
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\librarydll2.exe
      "C:\Users\Admin\AppData\Local\Temp\librarydll2.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lvhxicym.21y.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\librarydll2.exe

    Filesize

    3.2MB

    MD5

    fe5fba2815e1e5f6928b694f2bc2edde

    SHA1

    494812af7107e8bff88a570f95289c5e26940573

    SHA256

    825577bf9307e9e8e89d88ce293942229af633786c4d4f72bf5c3084a5a72948

    SHA512

    72caa9a8d65d69f6c50e9db34a63d0c65d8d25bc9d0fb531f0fc83d6951c037a6eb52b12da8537b43a3c863420eaa8b50c8ba4f6369097ce9fbbfb788be66330

  • memory/1468-37-0x000001A643300000-0x000001A64343E000-memory.dmp

    Filesize

    1.2MB

  • memory/1468-36-0x000001A643300000-0x000001A64343E000-memory.dmp

    Filesize

    1.2MB

  • memory/1468-27-0x000001A643300000-0x000001A64343E000-memory.dmp

    Filesize

    1.2MB

  • memory/1468-25-0x00007FFF84470000-0x00007FFF84665000-memory.dmp

    Filesize

    2.0MB

  • memory/2732-16-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-15-0x00000139E6100000-0x00000139E6122000-memory.dmp

    Filesize

    136KB

  • memory/2732-0-0x00007FFF66033000-0x00007FFF66035000-memory.dmp

    Filesize

    8KB

  • memory/2732-5-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-4-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-3-0x00007FFF66033000-0x00007FFF66035000-memory.dmp

    Filesize

    8KB

  • memory/2732-26-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-35-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-2-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-1-0x000001399C970000-0x000001399D970000-memory.dmp

    Filesize

    16.0MB