Analysis

  • max time kernel
    151s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    08-11-2020 16:14

General

  • Target

    608876df58ef20d0c0586e42a87d9a423f1fcc23959bcb47055aadfb05739b91.exe

  • Size

    187KB

  • MD5

    2c9525ae85eb7baac4af5107cc66c7a5

  • SHA1

    db20b571beb9af2b436bd957469083210b08bdd6

  • SHA256

    608876df58ef20d0c0586e42a87d9a423f1fcc23959bcb47055aadfb05739b91

  • SHA512

    81f1abe3e922b4027d674765d8dc36b468b75afb33c9045f48b4cc5fe40ea992e8aaf8975dadad4c6684bc501728e1fd259062947f1adde19f9f585212aa0fc4

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1224
          • C:\Users\Admin\AppData\Local\Temp\608876df58ef20d0c0586e42a87d9a423f1fcc23959bcb47055aadfb05739b91.exe
            "C:\Users\Admin\AppData\Local\Temp\608876df58ef20d0c0586e42a87d9a423f1fcc23959bcb47055aadfb05739b91.exe"
            2⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Modifies Internet Explorer settings
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1804
            • C:\Users\Admin\AppData\Roaming\Ykrevo\odqee.exe
              "C:\Users\Admin\AppData\Roaming\Ykrevo\odqee.exe"
              3⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1764
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpd92c1ee2.bat"
              3⤵
              • Deletes itself
              PID:1624

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        2
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpd92c1ee2.bat
          MD5

          d87acb3fea5320c5c0a562326e444fca

          SHA1

          71531fba724bf18da372b75c2ae102157e440a68

          SHA256

          1adb5431e1ae94516b1883774e039b376389c532d710d1e2a7f32542d1d74d89

          SHA512

          01693a00c9ad0203d4295d0527fd9ab20efd5564e37eb2ad5823341e982a5c63e0ae95eee254dc1a91688fe381833d820f40dc576b013a4b1ec90e9a7393b5c9

        • C:\Users\Admin\AppData\Roaming\Ykrevo\odqee.exe
          MD5

          ce2fe36ad54f0b59b78d6fb74946d8ea

          SHA1

          a85f7372c29c6d7d85bd1dadbfdc7a4c00fd3fb2

          SHA256

          d2f8800643fec20f45f3b73b9ca9756d7dfd94536424ccf7722767d86ee7b1d3

          SHA512

          4001d2b25d4299a5ce60b41aaabcf80ae3708a89b66dfb38b1d4e33ddd77d323c0182aec44049dd54034c48f0166bd97ebf972e9f1361ddf0092cb6aa7be4f30

        • C:\Users\Admin\AppData\Roaming\Ykrevo\odqee.exe
          MD5

          ce2fe36ad54f0b59b78d6fb74946d8ea

          SHA1

          a85f7372c29c6d7d85bd1dadbfdc7a4c00fd3fb2

          SHA256

          d2f8800643fec20f45f3b73b9ca9756d7dfd94536424ccf7722767d86ee7b1d3

          SHA512

          4001d2b25d4299a5ce60b41aaabcf80ae3708a89b66dfb38b1d4e33ddd77d323c0182aec44049dd54034c48f0166bd97ebf972e9f1361ddf0092cb6aa7be4f30

        • \Users\Admin\AppData\Roaming\Ykrevo\odqee.exe
          MD5

          ce2fe36ad54f0b59b78d6fb74946d8ea

          SHA1

          a85f7372c29c6d7d85bd1dadbfdc7a4c00fd3fb2

          SHA256

          d2f8800643fec20f45f3b73b9ca9756d7dfd94536424ccf7722767d86ee7b1d3

          SHA512

          4001d2b25d4299a5ce60b41aaabcf80ae3708a89b66dfb38b1d4e33ddd77d323c0182aec44049dd54034c48f0166bd97ebf972e9f1361ddf0092cb6aa7be4f30

        • \Users\Admin\AppData\Roaming\Ykrevo\odqee.exe
          MD5

          ce2fe36ad54f0b59b78d6fb74946d8ea

          SHA1

          a85f7372c29c6d7d85bd1dadbfdc7a4c00fd3fb2

          SHA256

          d2f8800643fec20f45f3b73b9ca9756d7dfd94536424ccf7722767d86ee7b1d3

          SHA512

          4001d2b25d4299a5ce60b41aaabcf80ae3708a89b66dfb38b1d4e33ddd77d323c0182aec44049dd54034c48f0166bd97ebf972e9f1361ddf0092cb6aa7be4f30

        • memory/1624-6-0x0000000000050000-0x0000000000077000-memory.dmp
          Filesize

          156KB

        • memory/1624-7-0x0000000000056FEE-mapping.dmp
        • memory/1764-2-0x0000000000000000-mapping.dmp
        • memory/1804-5-0x0000000000280000-0x00000000002A7000-memory.dmp
          Filesize

          156KB