Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 11:51

General

  • Target

    New listed items 7648767856387547354734567465647568487.exe

  • Size

    555KB

  • MD5

    0eba80cec1f68f8607f19003175a78e1

  • SHA1

    bd9f024f05b94728ee7068afee6f09517eb0142c

  • SHA256

    a314052757f5824102f68e016d0fb5c17f273a9a540a61be4fecf2c15f256324

  • SHA512

    1a6f722a533315a6cf237b4bd20210660e8b057a677c68dbfa43900cd49d28c9f28ec570be8da964e8d93b7e91d650854c59798093740830db56b940c80a747a

  • SSDEEP

    12288:32EIVQzs1onZpdAZOTXJb+xNWYo5oetAaSTgcqNmd3ZhZX:3wwsOnZAOJ4NWYlxTgbNmdPZX

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 35 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New listed items 7648767856387547354734567465647568487.exe
    "C:\Users\Admin\AppData\Local\Temp\New listed items 7648767856387547354734567465647568487.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Local\Temp\New listed items 7648767856387547354734567465647568487.exe
      "C:\Users\Admin\AppData\Local\Temp\New listed items 7648767856387547354734567465647568487.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2784
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'New listed items 7648767856387547354734567465647568487';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'New listed items 7648767856387547354734567465647568487' -Value '"C:\Users\Admin\AppData\Roaming\New listed items 7648767856387547354734567465647568487.exe"' -PropertyType 'String'
        3⤵
        • Adds Run key to start application
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nse1843.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/2216-14-0x00000000030D0000-0x00000000061B3000-memory.dmp

    Filesize

    48.9MB

  • memory/2216-9-0x00000000030D0000-0x00000000061B3000-memory.dmp

    Filesize

    48.9MB

  • memory/2216-10-0x0000000076F31000-0x0000000077032000-memory.dmp

    Filesize

    1.0MB

  • memory/2216-11-0x0000000076F30000-0x00000000770D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2216-12-0x00000000030D0000-0x00000000061B3000-memory.dmp

    Filesize

    48.9MB

  • memory/2784-40-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-46-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-16-0x00000000007E0000-0x0000000001842000-memory.dmp

    Filesize

    16.4MB

  • memory/2784-17-0x00000000007E0000-0x000000000084E000-memory.dmp

    Filesize

    440KB

  • memory/2784-18-0x0000000037710000-0x00000000377A8000-memory.dmp

    Filesize

    608KB

  • memory/2784-19-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-24-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-22-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-20-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-26-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-28-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-30-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-32-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-34-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-36-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-38-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-13-0x0000000076F30000-0x00000000770D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2784-42-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-44-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-15-0x00000000007E0000-0x0000000001842000-memory.dmp

    Filesize

    16.4MB

  • memory/2784-48-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-50-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-52-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-54-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-56-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-58-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-60-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-62-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-64-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-66-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-68-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-70-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-72-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-74-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-76-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-78-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-80-0x0000000037710000-0x00000000377A1000-memory.dmp

    Filesize

    580KB

  • memory/2784-2084-0x0000000035080000-0x00000000350CC000-memory.dmp

    Filesize

    304KB

  • memory/2784-2083-0x0000000034A60000-0x0000000034A8C000-memory.dmp

    Filesize

    176KB

  • memory/2784-2085-0x0000000037A00000-0x0000000037AF2000-memory.dmp

    Filesize

    968KB