Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    29/03/2022, 16:13

General

  • Target
    eVtkS8gn7klc0B7.exe
  • Size 1.1MB
  • Sample220329-tn3njacbbk
  • SHA256 4b0f3abe3b0c7a9356687b4c29c68f9bab4247ca92cf5c37b42eec2881d3d2ec
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe
    "C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe
      "C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe"
      2⤵
        PID:3736
      • C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe
        "C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe"
        2⤵
          PID:1180
        • C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe
          "C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe"
          2⤵
            PID:1512
          • C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe
            "C:\Users\Admin\AppData\Local\Temp\eVtkS8gn7klc0B7.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4640
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 1420
              3⤵
              • Program crash
              PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4640 -ip 4640
          1⤵
            PID:4764

          Network

                MITRE ATT&CK Matrix

                Replay Monitor

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                Downloads

                eVtkS8gn7klc0B7.exe.log

                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\eVtkS8gn7klc0B7.exe.log
                • Size 1KB
                • SHA256 d00f92bea84f7d78f23ff963bf334e8c77a7fad01a0d4cd89ac849981dfbffd7
                • MD5 SHA1 SHA512

                memory/3088-130-0x0000000000680000-0x0000000000798000-memory.dmp

                memory/3088-131-0x00000000057C0000-0x0000000005D64000-memory.dmp

                memory/3088-132-0x0000000005130000-0x00000000051C2000-memory.dmp

                memory/3088-133-0x00000000051E0000-0x00000000051EA000-memory.dmp

                memory/3088-134-0x0000000008B60000-0x0000000008BFC000-memory.dmp

                memory/4640-139-0x0000000000400000-0x000000000043C000-memory.dmp

                memory/4640-141-0x0000000006250000-0x00000000062B6000-memory.dmp