Analysis

  • max time kernel
    153s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    24/06/2020, 15:06

General

  • Target
    233e70b105e8fe2f1e9a41b68f380359c8666cea3d9d587ec2ec823cdda2a330.exe
  • Size 236KB
  • Sample200624-he8ppf8k12
  • SHA256 233e70b105e8fe2f1e9a41b68f380359c8666cea3d9d587ec2ec823cdda2a330
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Deletes itself 1 IoCs
  • Runs net.exe
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Adds Run entry to start application 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 87 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Loads dropped DLL 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1160
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1240
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1316
          • C:\Users\Admin\AppData\Local\Temp\233e70b105e8fe2f1e9a41b68f380359c8666cea3d9d587ec2ec823cdda2a330.exe
            "C:\Users\Admin\AppData\Local\Temp\233e70b105e8fe2f1e9a41b68f380359c8666cea3d9d587ec2ec823cdda2a330.exe"
            2⤵
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1500
            • C:\Windows\SysWOW64\net.exe
              "C:\Windows\System32\net.exe" " stop sharedaccess"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1644
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 " stop sharedaccess"
                4⤵
                  PID:1568
              • C:\Users\Admin\AppData\Local\Temp\233e70b105e8fe2f1e9a41b68f380359c8666cea3d9d587ec2ec823cdda2a330.exe
                "C:\Users\Admin\AppData\Local\Temp\233e70b105e8fe2f1e9a41b68f380359c8666cea3d9d587ec2ec823cdda2a330.exe"
                3⤵
                • Modifies Internet Explorer settings
                • Suspicious use of WriteProcessMemory
                • Suspicious use of AdjustPrivilegeToken
                • Loads dropped DLL
                PID:1864
                • C:\Users\Admin\AppData\Roaming\Anan\xiqep.exe
                  "C:\Users\Admin\AppData\Roaming\Anan\xiqep.exe"
                  4⤵
                  • Suspicious use of SetThreadContext
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:1780
                  • C:\Windows\SysWOW64\net.exe
                    "C:\Windows\System32\net.exe" " stop sharedaccess"
                    5⤵
                    • Suspicious use of WriteProcessMemory
                    PID:608
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 " stop sharedaccess"
                      6⤵
                        PID:1124
                    • C:\Users\Admin\AppData\Roaming\Anan\xiqep.exe
                      "C:\Users\Admin\AppData\Roaming\Anan\xiqep.exe"
                      5⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      • Adds Run entry to start application
                      • Suspicious use of WriteProcessMemory
                      PID:1324
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp9ea548b6.bat"
                    4⤵
                    • Deletes itself
                    PID:1592
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
              1⤵
                PID:2016
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:1984
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
                  1⤵
                    PID:1400
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
                    1⤵
                      PID:1084

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          memory/1500-7-0x0000000000340000-0x0000000000344000-memory.dmp

                          memory/1500-8-0x0000000003050000-0x0000000003054000-memory.dmp

                          memory/1780-22-0x0000000000830000-0x0000000000834000-memory.dmp

                          memory/1780-23-0x0000000003180000-0x0000000003184000-memory.dmp

                          memory/1864-6-0x0000000000400000-0x0000000000427000-memory.dmp

                          memory/1864-4-0x0000000000400000-0x0000000000427000-memory.dmp