Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 23:55

General

  • Target

    Polysy_Launcher.exe

  • Size

    200.0MB

  • MD5

    1adfc887018848dd5f4617827d978de8

  • SHA1

    e0988dff57a4323164a9a8ab65f6cfc466c12b85

  • SHA256

    be61c1d0bf67dc6eab5099931f12ad2ab5a924b01273e656bf1982c159903e04

  • SHA512

    5028b871595e6002787e1f04b0b0525db23e4302149327c0b9ffab2c3d8273234057dc372dee1bb12a6aab5a2b7ab6ef25c41e45bdb80e4358d418c857f05203

  • SSDEEP

    768:1FbpgqnVBXVGP/IX6X/kQPwtdfzXqYcV69izh:TacBF9X6XciE5jy69iz

Malware Config

Extracted

Family

meduza

C2

193.3.19.151

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    mrfree

  • extensions

    .txt

  • 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 1 IoCs
  • Meduza family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 18 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 18 IoCs
  • Loads dropped DLL 18 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).

  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Polysy_Launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\Polysy_Launcher.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1268
    • C:\Windows\Temp\emzuu3pg.flf.exe
      "C:\Windows\Temp\emzuu3pg.flf.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:2228
    • C:\Windows\Temp\s015fes4.sgz.exe
      "C:\Windows\Temp\s015fes4.sgz.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2096
    • C:\Windows\Temp\dzzapf5r.ds5.exe
      "C:\Windows\Temp\dzzapf5r.ds5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:568
    • C:\Windows\Temp\pmtj4bq5.34l.exe
      "C:\Windows\Temp\pmtj4bq5.34l.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2392
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452
    • C:\Windows\Temp\2wv4rndl.jx4.exe
      "C:\Windows\Temp\2wv4rndl.jx4.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1188
    • C:\Windows\Temp\55drsibt.c5b.exe
      "C:\Windows\Temp\55drsibt.c5b.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:112
    • C:\Windows\Temp\jykrbp10.tej.exe
      "C:\Windows\Temp\jykrbp10.tej.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2100
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Windows\Temp\fvuub3jd.k1e.exe
      "C:\Windows\Temp\fvuub3jd.k1e.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:108
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:892
    • C:\Windows\Temp\mmkvyawe.dv4.exe
      "C:\Windows\Temp\mmkvyawe.dv4.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1580
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:572
    • C:\Windows\Temp\zr2juq02.t2z.exe
      "C:\Windows\Temp\zr2juq02.t2z.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1400
    • C:\Windows\Temp\lp34gx2m.xtl.exe
      "C:\Windows\Temp\lp34gx2m.xtl.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2332
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2972
    • C:\Windows\Temp\wnsut5xv.3b1.exe
      "C:\Windows\Temp\wnsut5xv.3b1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2260
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\Temp\cccqezqm.n02.exe
      "C:\Windows\Temp\cccqezqm.n02.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:332
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2104
    • C:\Windows\Temp\avxr3em2.4jq.exe
      "C:\Windows\Temp\avxr3em2.4jq.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\Temp\2acwu3hm.xo4.exe
      "C:\Windows\Temp\2acwu3hm.xo4.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1256
    • C:\Windows\Temp\dt3wh1dr.x0c.exe
      "C:\Windows\Temp\dt3wh1dr.x0c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2432
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Windows\Temp\s0ynoqsp.oqo.exe
      "C:\Windows\Temp\s0ynoqsp.oqo.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:956
    • C:\Windows\Temp\ibo52s00.4wo.exe
      "C:\Windows\Temp\ibo52s00.4wo.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    aaf6406061871a3fafefee97230678f9

    SHA1

    dd20265ea0c241b7c04a6630842870fb8b2da127

    SHA256

    6b0270ccdcae90aa82493e8ebd0da8217ab1d92b76fae86f78da67b5bdc9c4f8

    SHA512

    361a93bfc82ba63fd0b721b44c4b6617e2b458d9522cd5291afaa5627f2ccd80adfa9f6f9e994232ce7fcb9192fc50851b65eb06d8066e8eb71a652eda7bef53

  • \Windows\Temp\emzuu3pg.flf.exe

    Filesize

    1.2MB

    MD5

    bee040fc0caf73ee0cb2e55d4c703f22

    SHA1

    6bf7f1fa9dcf930190cabfba9abde2e7faab486f

    SHA256

    940d413dd95bc28d5c724d814f2cd1ecca005d2cb58ed28788d9c07d962d829b

    SHA512

    ec45afc4a8626dc813462a3c65b57a75f96233e9e66a0d9d60953fa2e29ec1a1c48c9ccf00f8f0e0ad3ff37e8c98c673c5b2309ff77475896ec57897d73551b2

  • memory/2864-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

    Filesize

    4KB

  • memory/2864-1-0x0000000000040000-0x0000000001040000-memory.dmp

    Filesize

    16.0MB

  • memory/2864-2-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/2864-3-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

    Filesize

    4KB

  • memory/2864-6-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB