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Resubmissions

27/12/2022, 14:34

221227-rxqn8afa54 10

27/12/2022, 14:34

221227-rxfh9afa52 10

25/12/2022, 11:46

221225-nxcwksee8w 10

Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2022, 11:46

General

  • Target

    SecuriteInfo.com.Win64.RATX-gen.30948.8275.exe

  • Size

    1.1MB

  • MD5

    ff463709d7e429065e6efeb1456281a5

  • SHA1

    43821ebc1f3f3e1b7208314747fdf8527263f363

  • SHA256

    6f05a91cd30498cf1bc9b2e0058f1e3caa18b401b77d0a83b71a6df845430716

  • SHA512

    990efaf520e2bfcf2a42b491e67b9266380d966439e132c40ad0eba28ae9ebaf6448bb538128a38e851be6a6660b04451c75138139e1371ac104540564a07dcd

  • SSDEEP

    12288:SNP57i9RD++rs7j5Dytl7B1ljdOtovwGPVp/n2sS4OIvlxd2UIivOmBgdUYt9flG:Xh7XfPCsS41hbjSCC5Gm6oG+/c

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • UAC bypass 3 TTPs 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\SecuriteInfo.com.Win64.RATX-gen.30948.8275.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.RATX-gen.30948.8275.exe"
    1⤵
    • UAC bypass
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Sets service image path in registry
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1732
    • 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\SecuriteInfo.com.Win64.RATX-gen.30948.8275.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:876
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
        PID:1124
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1588

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/876-59-0x000007FEEBA50000-0x000007FEEC5AD000-memory.dmp

      Filesize

      11.4MB

    • memory/876-69-0x00000000021FB000-0x000000000221A000-memory.dmp

      Filesize

      124KB

    • memory/876-57-0x000007FEFBA21000-0x000007FEFBA23000-memory.dmp

      Filesize

      8KB

    • memory/876-58-0x000007FEEC5B0000-0x000007FEECFD3000-memory.dmp

      Filesize

      10.1MB

    • memory/876-60-0x00000000021F4000-0x00000000021F7000-memory.dmp

      Filesize

      12KB

    • memory/876-68-0x00000000021F4000-0x00000000021F7000-memory.dmp

      Filesize

      12KB

    • memory/1588-61-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1588-64-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1588-66-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1588-67-0x00000000759C1000-0x00000000759C3000-memory.dmp

      Filesize

      8KB

    • memory/1732-54-0x0000000000800000-0x0000000000920000-memory.dmp

      Filesize

      1.1MB

    • memory/1732-55-0x00000000005B0000-0x000000000061C000-memory.dmp

      Filesize

      432KB