Analysis

  • resource
    win7

General

  • Target

    amix

  • Sample

    190902-3ldbs4wjda

  • SHA256

    d95a38a7c3ba130e354926102de8f64986d8248ee095e5e410d6ee410d74e0bc

Score
N/A

Malware Config

Signatures

  • Drops file in system dir 45 IoCs
  • Loads dropped DLL
  • Suspicious behavior: EnumeratesProcesses
  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\amix.exe
    C:\Users\Admin\AppData\Local\Temp\amix.exe
    1⤵
    • Adds Run entry to start application
    • Suspicious use of WriteProcessMemory
    PID:1224
  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 238 -InterruptEvent 220 -NGENProcess 230 -Pipe 234 -Comment "NGen Worker Process"
    1⤵
      PID:1644
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 220 -InterruptEvent 240 -NGENProcess 228 -Pipe 210 -Comment "NGen Worker Process"
      1⤵
      • Drops file in system dir
      PID:696
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 240 -InterruptEvent 228 -NGENProcess 238 -Pipe 23c -Comment "NGen Worker Process"
      1⤵
        PID:1464
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 228 -InterruptEvent 248 -NGENProcess 230 -Pipe 218 -Comment "NGen Worker Process"
        1⤵
        • Drops file in system dir
        PID:1916
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 248 -InterruptEvent 228 -NGENProcess 244 -Pipe 200 -Comment "NGen Worker Process"
        1⤵
          PID:2024
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 228 -InterruptEvent 214 -NGENProcess 24c -Pipe 220 -Comment "NGen Worker Process"
          1⤵
          • Drops file in system dir
          PID:1924
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 214 -InterruptEvent 24c -NGENProcess 248 -Pipe 230 -Comment "NGen Worker Process"
          1⤵
            PID:1804
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 24c -InterruptEvent 258 -NGENProcess 244 -Pipe 240 -Comment "NGen Worker Process"
            1⤵
            • Drops file in system dir
            PID:1620
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 25c -InterruptEvent 248 -NGENProcess 244 -Pipe 250 -Comment "NGen Worker Process"
            1⤵
              PID:280
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 248 -InterruptEvent 264 -NGENProcess 208 -Pipe 260 -Comment "NGen Worker Process"
              1⤵
              • Drops file in system dir
              PID:1464
            • C:\Windows\SysWOW64\icacls.exe
              icacls "C:\Users\Admin\AppData\Local\1df32cde-28a0-495b-946c-fe0417bcbba5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
              1⤵
                PID:496
              • C:\Users\Admin\AppData\Local\Temp\amix.exe
                "C:\Users\Admin\AppData\Local\Temp\amix.exe" --Admin IsNotAutoStart IsNotTask
                1⤵
                  PID:1916
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 264 -InterruptEvent 208 -NGENProcess 25c -Pipe 214 -Comment "NGen Worker Process"
                  1⤵
                    PID:600
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 208 -InterruptEvent 26c -NGENProcess 244 -Pipe 254 -Comment "NGen Worker Process"
                    1⤵
                    • Drops file in system dir
                    PID:1524
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 270 -InterruptEvent 264 -NGENProcess 274 -Pipe 208 -Comment "NGen Worker Process"
                    1⤵
                      PID:284
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 264 -InterruptEvent 258 -NGENProcess 244 -Pipe 248 -Comment "NGen Worker Process"
                      1⤵
                      • Drops file in system dir
                      PID:1844
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 258 -InterruptEvent 244 -NGENProcess 270 -Pipe 26c -Comment "NGen Worker Process"
                      1⤵
                        PID:1224
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 244 -InterruptEvent 258 -NGENProcess 10c -Pipe 270 -Comment "NGen Worker Process"
                        1⤵
                        • Drops file in system dir
                        PID:1464
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 258 -InterruptEvent 10c -NGENProcess 274 -Pipe 27c -Comment "NGen Worker Process"
                        1⤵
                          PID:600
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 10c -InterruptEvent 268 -NGENProcess 228 -Pipe 238 -Comment "NGen Worker Process"
                          1⤵
                          • Drops file in system dir
                          PID:444
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 268 -InterruptEvent 228 -NGENProcess 258 -Pipe 25c -Comment "NGen Worker Process"
                          1⤵
                            PID:284
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 228 -InterruptEvent 284 -NGENProcess 274 -Pipe 244 -Comment "NGen Worker Process"
                            1⤵
                            • Drops file in system dir
                            PID:332
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 284 -InterruptEvent 274 -NGENProcess 268 -Pipe 280 -Comment "NGen Worker Process"
                            1⤵
                              PID:1240
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 274 -InterruptEvent 28c -NGENProcess 258 -Pipe 10c -Comment "NGen Worker Process"
                              1⤵
                              • Drops file in system dir
                              PID:696
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 288 -InterruptEvent 278 -NGENProcess 290 -Pipe 28c -Comment "NGen Worker Process"
                              1⤵
                                PID:1428
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 278 -InterruptEvent 29c -NGENProcess 268 -Pipe 298 -Comment "NGen Worker Process"
                                1⤵
                                • Drops file in system dir
                                PID:836
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2a0 -InterruptEvent 288 -NGENProcess 2a4 -Pipe 278 -Comment "NGen Worker Process"
                                1⤵
                                  PID:496
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 288 -InterruptEvent 228 -NGENProcess 268 -Pipe 294 -Comment "NGen Worker Process"
                                  1⤵
                                  • Drops file in system dir
                                  PID:1816
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 228 -InterruptEvent 268 -NGENProcess 2a0 -Pipe 29c -Comment "NGen Worker Process"
                                  1⤵
                                    PID:1224
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 268 -InterruptEvent 2ac -NGENProcess 2a4 -Pipe 258 -Comment "NGen Worker Process"
                                    1⤵
                                    • Drops file in system dir
                                    PID:1524
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2ac -InterruptEvent 2a4 -NGENProcess 228 -Pipe 2a8 -Comment "NGen Worker Process"
                                    1⤵
                                      PID:1640
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2a4 -InterruptEvent 2b4 -NGENProcess 2a0 -Pipe 288 -Comment "NGen Worker Process"
                                      1⤵
                                      • Drops file in system dir
                                      PID:1956
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2b8 -InterruptEvent 2ac -NGENProcess 2bc -Pipe 2a4 -Comment "NGen Worker Process"
                                      1⤵
                                        PID:1712

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      MITRE ATT&CK Additional techniques

                                      • T1060

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