Analysis

  • resource
    win7

General

  • Target

    amix

  • Sample

    190902-44h44rg53x

  • SHA256

    d95a38a7c3ba130e354926102de8f64986d8248ee095e5e410d6ee410d74e0bc

Score
N/A

Malware Config

Signatures

  • Drops file in system dir 51 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:1252
  • 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:1660
    • 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 150 -Comment "NGen Worker Process"
      1⤵
      • Drops file in system dir
      PID:1936
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 244 -InterruptEvent 238 -NGENProcess 248 -Pipe 220 -Comment "NGen Worker Process"
      1⤵
        PID:1248
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 238 -InterruptEvent 21c -NGENProcess 228 -Pipe 218 -Comment "NGen Worker Process"
        1⤵
        • Drops file in system dir
        PID:1776
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 21c -InterruptEvent 228 -NGENProcess 244 -Pipe 240 -Comment "NGen Worker Process"
        1⤵
          PID:112
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 228 -InterruptEvent 250 -NGENProcess 248 -Pipe 208 -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 250 -InterruptEvent 248 -NGENProcess 21c -Pipe 24c -Comment "NGen Worker Process"
          1⤵
            PID:840
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 248 -InterruptEvent 258 -NGENProcess 244 -Pipe 238 -Comment "NGen Worker Process"
            1⤵
            • Drops file in system dir
            PID:1936
          • 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 250 -Pipe 254 -Comment "NGen Worker Process"
            1⤵
              PID:1136
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 244 -InterruptEvent 260 -NGENProcess 21c -Pipe 228 -Comment "NGen Worker Process"
              1⤵
              • Drops file in system dir
              PID:1708
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 260 -InterruptEvent 21c -NGENProcess 258 -Pipe 25c -Comment "NGen Worker Process"
              1⤵
                PID:728
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 21c -InterruptEvent 268 -NGENProcess 250 -Pipe 248 -Comment "NGen Worker Process"
                1⤵
                • Drops file in system dir
                PID:1936
              • C:\Windows\SysWOW64\icacls.exe
                icacls "C:\Users\Admin\AppData\Local\b8631400-05bf-4223-8080-a723e26ce6a7" /deny *S-1-1-0:(OI)(CI)(DE,DC)
                1⤵
                  PID:1256
                • C:\Users\Admin\AppData\Local\Temp\amix.exe
                  "C:\Users\Admin\AppData\Local\Temp\amix.exe" --Admin IsNotAutoStart IsNotTask
                  1⤵
                    PID:1244
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 268 -InterruptEvent 250 -NGENProcess 260 -Pipe 21c -Comment "NGen Worker Process"
                    1⤵
                      PID:1272
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 250 -InterruptEvent 270 -NGENProcess 258 -Pipe 244 -Comment "NGen Worker Process"
                      1⤵
                      • Drops file in system dir
                      PID:1304
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 270 -InterruptEvent 258 -NGENProcess 268 -Pipe 26c -Comment "NGen Worker Process"
                      1⤵
                        PID:1460
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 258 -InterruptEvent 278 -NGENProcess 260 -Pipe 264 -Comment "NGen Worker Process"
                        1⤵
                        • Drops file in system dir
                        PID:500
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 27c -InterruptEvent 270 -NGENProcess 280 -Pipe 258 -Comment "NGen Worker Process"
                        1⤵
                          PID:636
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 270 -InterruptEvent 210 -NGENProcess 260 -Pipe 250 -Comment "NGen Worker Process"
                          1⤵
                          • Drops file in system dir
                          PID:1660
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 210 -InterruptEvent 260 -NGENProcess 27c -Pipe 278 -Comment "NGen Worker Process"
                          1⤵
                            PID:1776
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 260 -InterruptEvent 288 -NGENProcess 280 -Pipe 23c -Comment "NGen Worker Process"
                            1⤵
                            • Drops file in system dir
                            PID:1452
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 284 -InterruptEvent 28c -NGENProcess 288 -Pipe 134 -Comment "NGen Worker Process"
                            1⤵
                              PID:1556
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 28c -InterruptEvent 268 -NGENProcess 210 -Pipe 230 -Comment "NGen Worker Process"
                              1⤵
                              • Drops file in system dir
                              PID:692
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 268 -InterruptEvent 210 -NGENProcess 284 -Pipe 274 -Comment "NGen Worker Process"
                              1⤵
                                PID:1664
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 210 -InterruptEvent 290 -NGENProcess 288 -Pipe 10c -Comment "NGen Worker Process"
                                1⤵
                                • Drops file in system dir
                                PID:1936
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 290 -InterruptEvent 288 -NGENProcess 268 -Pipe 270 -Comment "NGen Worker Process"
                                1⤵
                                  PID:1968
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 288 -InterruptEvent 298 -NGENProcess 284 -Pipe 28c -Comment "NGen Worker Process"
                                  1⤵
                                  • Drops file in system dir
                                  PID:1432
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 298 -InterruptEvent 284 -NGENProcess 290 -Pipe 294 -Comment "NGen Worker Process"
                                  1⤵
                                    PID:1460
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 284 -InterruptEvent 2a0 -NGENProcess 268 -Pipe 210 -Comment "NGen Worker Process"
                                    1⤵
                                    • Drops file in system dir
                                    PID:1988
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2a8 -InterruptEvent 27c -NGENProcess 268 -Pipe 2a4 -Comment "NGen Worker Process"
                                    1⤵
                                      PID:1656
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 27c -InterruptEvent 2b0 -NGENProcess 290 -Pipe 2ac -Comment "NGen Worker Process"
                                      1⤵
                                      • Drops file in system dir
                                      PID:996
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2b0 -InterruptEvent 290 -NGENProcess 2a8 -Pipe 298 -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 290 -InterruptEvent 2a0 -NGENProcess 268 -Pipe 260 -Comment "NGen Worker Process"
                                        1⤵
                                        • Drops file in system dir
                                        PID:1452
                                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 29c -InterruptEvent 2b0 -NGENProcess 2b8 -Pipe 290 -Comment "NGen Worker Process"
                                        1⤵
                                          PID:1368
                                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2b0 -InterruptEvent 2b4 -NGENProcess 268 -Pipe 1ac -Comment "NGen Worker Process"
                                          1⤵
                                          • Drops file in system dir
                                          PID:972
                                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2b4 -InterruptEvent 268 -NGENProcess 29c -Pipe 2a0 -Comment "NGen Worker Process"
                                          1⤵
                                            PID:1936

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          MITRE ATT&CK Additional techniques

                                          • T1060

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                                          Downloads