Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:12

General

  • Target
    RFQ-May Project-6217 CK.exe
  • Size 421KB
  • Sample201109-mcceganmqx
  • SHA256 75ef91b36f46cb8875ffaa6af3cb7f38f8689ee9c16e50f9af87966a2648962f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.privateemail.com

  • Port

    587

  • Password

    @kingmezz.xyz

Signatures

  • AgentTesla

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

  • AgentTesla Payload 13 IoCs
  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 12 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2076
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:1380
        • 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:2968
        • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
          "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
          2⤵
          • Drops startup file
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:504
          • 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:2136
          • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
            "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4052
            • 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:748
            • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
              "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
              4⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:184
              • 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:1248
              • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                5⤵
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1784
                • 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:2456
                • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                  "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                  6⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:3872
                  • 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:3952
                  • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                    "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                    7⤵
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:1156
                    • 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:3460
                    • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                      "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                      8⤵
                      • Suspicious use of SetThreadContext
                      • Suspicious behavior: MapViewOfSection
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:1664
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                        9⤵
                          PID:1424
                        • 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:1796
                        • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                          "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                          9⤵
                          • Suspicious use of SetThreadContext
                          • Suspicious behavior: MapViewOfSection
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2760
                          • 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:64
                          • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                            "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                            10⤵
                            • Suspicious use of SetThreadContext
                            • Suspicious behavior: MapViewOfSection
                            • Suspicious use of AdjustPrivilegeToken
                            PID:3764
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                              11⤵
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3712
                            • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                              "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                              11⤵
                              • Suspicious use of SetThreadContext
                              • Suspicious behavior: MapViewOfSection
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2684
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                12⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1840
                              • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                                "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                                12⤵
                                • Suspicious use of SetThreadContext
                                • Suspicious behavior: MapViewOfSection
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1432
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                  13⤵
                                    PID:2092
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                    13⤵
                                      PID:2876
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                      13⤵
                                        PID:4060
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                        13⤵
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:4020
                                      • C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe
                                        "C:\Users\Admin\AppData\Local\Temp\RFQ-May Project-6217 CK.exe"
                                        13⤵
                                          PID:500

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      memory/64-122-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/184-44-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/428-3-0x00000000051E0000-0x0000000005230000-memory.dmp

                      memory/428-4-0x0000000005CE0000-0x0000000005D2E000-memory.dmp

                      memory/428-1-0x0000000000A00000-0x0000000000A01000-memory.dmp

                      memory/428-0-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/500-174-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/504-15-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/748-37-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/1156-85-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/1248-51-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/1432-156-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/1664-99-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/1784-58-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/1796-108-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/1840-150-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/2136-28-0x0000000005190000-0x0000000005191000-memory.dmp

                      memory/2136-22-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/2456-65-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/2684-143-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/2760-114-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/2968-13-0x00000000050E0000-0x00000000050E1000-memory.dmp

                      memory/2968-8-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/2968-6-0x0000000000400000-0x000000000044E000-memory.dmp

                      memory/2968-11-0x0000000005660000-0x0000000005661000-memory.dmp

                      memory/2968-12-0x0000000005030000-0x0000000005031000-memory.dmp

                      memory/2968-18-0x0000000005BD0000-0x0000000005BD1000-memory.dmp

                      memory/3460-93-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/3712-136-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/3764-128-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/3872-72-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/3952-79-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/4020-167-0x0000000073160000-0x000000007384E000-memory.dmp

                      memory/4052-29-0x0000000073160000-0x000000007384E000-memory.dmp