Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 17:27

General

  • Target

    745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe

  • Size

    2.2MB

  • MD5

    b728ebe3c239d1ae3ecf44a116fc9ba5

  • SHA1

    77b7483fdb65597fe700ebf723fb0072fa5efd9e

  • SHA256

    745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e

  • SHA512

    c4666cb572f40afc591860acf4945b3fb5ace718094b1299d75ec2195cf8df1ffcffb66197af822655d9bc36b269776b28a578a12f1f7ef2ff5824add657cb33

  • SSDEEP

    12288:/PPi293YbcHEAVYaQkAvxvMnaqrYsuETiXjiwJ7g58h2wyu0f2g8tw+CpCh:/YbckCYaQdxKaq8suUKjDdg5k279ugCh

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.oserfech.eu
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Success@2022

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 2 TTPs

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

  • Windows security modification 2 TTPs 3 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe
    "C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:5012
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4408
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:208
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        PID:3516
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:2856

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u0wbxhfo.lyr.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/208-19-0x0000000005930000-0x0000000005ED4000-memory.dmp

      Filesize

      5.6MB

    • memory/208-27-0x00000000066A0000-0x00000000066AA000-memory.dmp

      Filesize

      40KB

    • memory/208-26-0x0000000006710000-0x00000000067A2000-memory.dmp

      Filesize

      584KB

    • memory/208-25-0x0000000006840000-0x0000000006A02000-memory.dmp

      Filesize

      1.8MB

    • memory/208-24-0x0000000006620000-0x0000000006670000-memory.dmp

      Filesize

      320KB

    • memory/208-5-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/208-20-0x0000000005420000-0x00000000054BC000-memory.dmp

      Filesize

      624KB

    • memory/4408-17-0x00007FFC84520000-0x00007FFC84FE1000-memory.dmp

      Filesize

      10.8MB

    • memory/4408-16-0x0000018E2E220000-0x0000018E2E242000-memory.dmp

      Filesize

      136KB

    • memory/4408-18-0x00007FFC84520000-0x00007FFC84FE1000-memory.dmp

      Filesize

      10.8MB

    • memory/4408-6-0x00007FFC84520000-0x00007FFC84FE1000-memory.dmp

      Filesize

      10.8MB

    • memory/4408-22-0x00007FFC84520000-0x00007FFC84FE1000-memory.dmp

      Filesize

      10.8MB

    • memory/5012-0-0x0000025870D10000-0x0000025870D1C000-memory.dmp

      Filesize

      48KB

    • memory/5012-23-0x00007FFC84520000-0x00007FFC84FE1000-memory.dmp

      Filesize

      10.8MB

    • memory/5012-4-0x0000025873FF0000-0x000002587406A000-memory.dmp

      Filesize

      488KB

    • memory/5012-3-0x00000258740B0000-0x00000258740BC000-memory.dmp

      Filesize

      48KB

    • memory/5012-2-0x00007FFC84520000-0x00007FFC84FE1000-memory.dmp

      Filesize

      10.8MB

    • memory/5012-1-0x00007FFC84523000-0x00007FFC84525000-memory.dmp

      Filesize

      8KB