Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    04/08/2020, 15:21

General

  • Target
    OC_Y590382614.exe
  • Size 1.2MB
  • Sample200804-gmvnet5v1e
  • SHA256 c7202ac90daa5d696736a32eff2c930eba08332c9416ff6a464ce3ea17f414f9
  • MD5 SHA1 SHA512
Score
9/10
upx

Malware Config

Signatures

  • Executes dropped EXE 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Program crash 4 IoCs
  • NTFS ADS 1 IoCs
  • ServiceHost packer 20 IoCs

    Detects ServiceHost packer used for .NET malware

  • Suspicious behavior: EnumeratesProcesses 763 IoCs
  • Suspicious use of WriteProcessMemory 98 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

Processes

  • C:\Users\Admin\AppData\Local\Temp\OC_Y590382614.exe
    "C:\Users\Admin\AppData\Local\Temp\OC_Y590382614.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Users\Admin\AppData\Roaming\appdata\app.exe
        "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        PID:3920
        • C:\Users\Admin\AppData\Roaming\appdata\app.exe
          "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3076
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe' & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1240
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe'
              6⤵
                PID:1520
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 704
                  7⤵
                  • Suspicious use of AdjustPrivilegeToken
                  • Program crash
                  PID:1288
          • C:\Users\Admin\AppData\Roaming\appdata\app.exe
            "C:\Users\Admin\AppData\Roaming\appdata\app.exe" 2 3076 94921
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:500
            • C:\Users\Admin\AppData\Roaming\appdata\app.exe
              "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of SetThreadContext
              PID:1416
              • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2392
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe' & exit
                  7⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3728
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe'
                    8⤵
                      PID:2696
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 680
                        9⤵
                        • Suspicious use of AdjustPrivilegeToken
                        • Program crash
                        PID:2540
                • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                  "C:\Users\Admin\AppData\Roaming\appdata\app.exe" 2 2392 112546
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:2624
                  • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                    "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                    7⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of SetThreadContext
                    PID:4024
                    • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                      "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                      8⤵
                      • Executes dropped EXE
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:4064
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe' & exit
                        9⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3176
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe'
                          10⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:3092
                    • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                      "C:\Users\Admin\AppData\Roaming\appdata\app.exe" 2 4064 137734
                      8⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:516
                      • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                        "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                        9⤵
                        • Executes dropped EXE
                        • Suspicious use of WriteProcessMemory
                        • Suspicious behavior: MapViewOfSection
                        • Suspicious use of SetThreadContext
                        PID:2740
                        • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                          "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                          10⤵
                          • Executes dropped EXE
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:3816
                          • C:\Windows\SysWOW64\cmd.exe
                            "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe' & exit
                            11⤵
                            • Suspicious use of WriteProcessMemory
                            PID:640
                            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                              powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe'
                              12⤵
                                PID:420
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 680
                                  13⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Program crash
                                  PID:2228
                          • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                            "C:\Users\Admin\AppData\Roaming\appdata\app.exe" 2 3816 167531
                            10⤵
                            • Executes dropped EXE
                            PID:3988
                            • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                              "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                              11⤵
                              • Executes dropped EXE
                              • Suspicious behavior: MapViewOfSection
                              • Suspicious use of SetThreadContext
                              PID:2112
                              • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                                "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                                12⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1360
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe' & exit
                                  13⤵
                                    PID:3840
                                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                      powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe'
                                      14⤵
                                        PID:3276
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 704
                                          15⤵
                                          • Suspicious use of AdjustPrivilegeToken
                                          • Program crash
                                          PID:3696
                                  • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                                    "C:\Users\Admin\AppData\Roaming\appdata\app.exe" 2 1360 179468
                                    12⤵
                                    • Executes dropped EXE
                                    PID:3068
                                    • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                                      "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                                      13⤵
                                      • Executes dropped EXE
                                      • Suspicious behavior: MapViewOfSection
                                      • Suspicious use of SetThreadContext
                                      PID:3688
                                      • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                                        "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                                        14⤵
                                        • Executes dropped EXE
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:3388
                                        • C:\Windows\SysWOW64\cmd.exe
                                          "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe' & exit
                                          15⤵
                                            PID:3796
                                            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                              powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Roaming\appdata\app.exe'
                                              16⤵
                                              • Suspicious use of AdjustPrivilegeToken
                                              PID:2108
                                        • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                                          "C:\Users\Admin\AppData\Roaming\appdata\app.exe" 2 3388 219296
                                          14⤵
                                          • Executes dropped EXE
                                          PID:788
                                          • C:\Users\Admin\AppData\Roaming\appdata\app.exe
                                            "C:\Users\Admin\AppData\Roaming\appdata\app.exe"
                                            15⤵
                                            • Executes dropped EXE
                                            PID:2628

              Network

                    MITRE ATT&CK Matrix

                    Replay Monitor

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                    Downloads

                    memory/1288-24-0x0000000004F90000-0x0000000004F91000-memory.dmp

                    memory/1288-18-0x00000000047E0000-0x00000000047E1000-memory.dmp

                    memory/1360-106-0x0000000000BF2000-0x0000000000BF3000-memory.dmp

                    memory/1360-105-0x00000000023D0000-0x0000000002488000-memory.dmp

                    memory/2228-95-0x0000000004A70000-0x0000000004A71000-memory.dmp

                    memory/2228-89-0x0000000004340000-0x0000000004341000-memory.dmp

                    memory/2392-33-0x00000000022B2000-0x00000000022B3000-memory.dmp

                    memory/2392-32-0x0000000002440000-0x00000000024F8000-memory.dmp

                    memory/2540-54-0x0000000005340000-0x0000000005341000-memory.dmp

                    memory/2540-48-0x0000000004B90000-0x0000000004B91000-memory.dmp

                    memory/3076-8-0x0000000000400000-0x0000000000582000-memory.dmp

                    memory/3076-4-0x0000000000400000-0x0000000000582000-memory.dmp

                    memory/3076-11-0x0000000002460000-0x0000000002518000-memory.dmp

                    memory/3076-9-0x0000000000400000-0x0000000000582000-memory.dmp

                    memory/3076-12-0x0000000002452000-0x0000000002453000-memory.dmp

                    memory/3388-127-0x00000000023C2000-0x00000000023C3000-memory.dmp

                    memory/3696-112-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

                    memory/3696-119-0x0000000005300000-0x0000000005301000-memory.dmp

                    memory/3816-81-0x00000000023F0000-0x00000000024A8000-memory.dmp

                    memory/3816-82-0x0000000002512000-0x0000000002513000-memory.dmp

                    memory/4064-68-0x00000000024E2000-0x00000000024E3000-memory.dmp

                    memory/4064-67-0x00000000024F0000-0x00000000025A8000-memory.dmp