Analysis

  • max time kernel
    59s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2022, 07:18

General

  • Target
    503edafa2dbb4a97ede555d33687d2f0.exe
  • Size 7KB
  • Sample221119-h4x77sec4w
  • SHA256 1f0ce53c95af874c9fdbceb5780c81e36cfea0aab0ab7012877094bbd5d774f4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\503edafa2dbb4a97ede555d33687d2f0.exe
    "C:\Users\Admin\AppData\Local\Temp\503edafa2dbb4a97ede555d33687d2f0.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:976
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1196

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/976-54-0x00000000001E0000-0x00000000001E8000-memory.dmp

        memory/976-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

        memory/976-56-0x000000000A4F0000-0x000000000A71A000-memory.dmp

        memory/976-62-0x0000000004DC0000-0x0000000004DFC000-memory.dmp

        memory/1196-59-0x000000006E0B0000-0x000000006E65B000-memory.dmp

        memory/1196-60-0x000000006E0B0000-0x000000006E65B000-memory.dmp

        memory/1196-61-0x000000006E0B0000-0x000000006E65B000-memory.dmp