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Analysis

  • max time kernel
    115s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 02:15

General

  • Target

    SecuriteInfo.com.W32.MSIL_Downldr.I.gen.Eldorado.21497.7603.exe

  • Size

    9KB

  • MD5

    76f7f07fceba81dd528ef9b10ecabfa0

  • SHA1

    6e5fea4625a773557cfc8cabd2df3bbeae41873b

  • SHA256

    61881ceb156b1061749e30c9e396bf12e94abedaebfe0acc723666c3f58e5ada

  • SHA512

    cec45f3293402615d22f7b0466783fd6ac99bfc55a9036439f225dc3450b943342c21e51dc6d91cb39fe076c4f0aeb9d48deebccfc0a0c566b65f7340ef23bd1

  • SSDEEP

    192:mMLh7fWeLMRXgwdMrIC8stYcFmVc03KY:ZLgeLMRXgwdMsCptYcFmVc03K

Malware Config

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Downldr.I.gen.Eldorado.21497.7603.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Downldr.I.gen.Eldorado.21497.7603.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:576
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/576-63-0x000000006FBA0000-0x000000007014B000-memory.dmp

    Filesize

    5.7MB

  • memory/576-62-0x000000006FBA0000-0x000000007014B000-memory.dmp

    Filesize

    5.7MB

  • memory/576-61-0x000000006FBA0000-0x000000007014B000-memory.dmp

    Filesize

    5.7MB

  • memory/1492-58-0x0000000005500000-0x0000000005592000-memory.dmp

    Filesize

    584KB

  • memory/1492-54-0x0000000000B00000-0x0000000000B08000-memory.dmp

    Filesize

    32KB

  • memory/1492-57-0x0000000000AB0000-0x0000000000B04000-memory.dmp

    Filesize

    336KB

  • memory/1492-56-0x00000000009B0000-0x0000000000A4A000-memory.dmp

    Filesize

    616KB

  • memory/1492-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

    Filesize

    8KB

  • memory/1900-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1900-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1900-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1900-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1900-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1900-72-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1900-74-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB