Analysis

  • max time kernel
    151s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:09

General

  • Target
    1adf10dff75f331c15f6a273db0e62c4.exe
  • Size 667KB
  • Sample201109-pqbk2ebhex
  • SHA256 ec3fae8f7d132adb356d2edf3d8997e7b22165949a698f74bc79586f5e9e9bd6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    premium49.web-hosting.com

  • Port

    587

  • Password

    NR*[Q66kH&&@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 12 IoCs
  • Adds Run key to start application 2 TTPs 9 IoCs
  • Suspicious use of SetThreadContext 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
    "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:876
    • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
      "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:752
      • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
        "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1692
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:292
        • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
          "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
          4⤵
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:472
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:948
          • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
            "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
            5⤵
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1728
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              6⤵
                PID:1700
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                6⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:692
              • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
                "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
                6⤵
                • Adds Run key to start application
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                PID:1104
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  7⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1040
                • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
                  "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
                  7⤵
                  • Adds Run key to start application
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1560
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    8⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1588
                  • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
                    "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
                    8⤵
                    • Adds Run key to start application
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1368
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                      9⤵
                        PID:1832
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                        9⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1160
                      • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
                        "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
                        9⤵
                        • Adds Run key to start application
                        • Suspicious use of SetThreadContext
                        • Suspicious behavior: MapViewOfSection
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1912
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                          10⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1188
                        • C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe
                          "C:\Users\Admin\AppData\Local\Temp\1adf10dff75f331c15f6a273db0e62c4.exe"
                          10⤵
                            PID:1520

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/292-32-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/472-36-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/692-58-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/752-20-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/876-4-0x0000000000400000-0x0000000000452000-memory.dmp

              memory/876-7-0x0000000000400000-0x0000000000452000-memory.dmp

              memory/876-8-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/876-6-0x0000000000400000-0x0000000000452000-memory.dmp

              memory/948-44-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1040-70-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1104-60-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1160-98-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1188-110-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1368-86-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1368-91-0x0000000004E10000-0x0000000004E62000-memory.dmp

              memory/1520-114-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1560-74-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1588-82-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1692-24-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1704-12-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1728-52-0x00000000005D0000-0x0000000000622000-memory.dmp

              memory/1728-48-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1912-101-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1916-0-0x0000000074480000-0x0000000074B6E000-memory.dmp

              memory/1916-3-0x00000000004C0000-0x0000000000514000-memory.dmp

              memory/1916-1-0x0000000000C20000-0x0000000000C21000-memory.dmp