Analysis

  • max time kernel
    1781s
  • max time network
    1802s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20-11-2020 14:34

General

  • Target

    905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550.exe

Malware Config

Extracted

Family

revengerat

Botnet

XDSDDD

C2

84.91.119.105:333

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • RevengeRat Executable ⋅ 2 IoCs
  • Executes dropped EXE ⋅ 1 IoCs
  • Drops file in System32 directory ⋅ 3 IoCs
  • Enumerates physical storage devices ⋅ 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken ⋅ 2 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550.exe
    "C:\Users\Admin\AppData\Local\Temp\905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550.exe"
    Drops file in System32 directory
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Windows\system32\MSSCS.exe
      "C:\Windows\system32\MSSCS.exe"
      Executes dropped EXE
      Drops file in System32 directory
      Suspicious use of AdjustPrivilegeToken
      PID:1468

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Execution

            Exfiltration

              Impact

                Initial Access

                  Lateral Movement

                    Persistence

                      Privilege Escalation

                        Replay Monitor

                        00:00 00:00

                        Downloads

                        • C:\Windows\System32\MSSCS.exe
                          MD5

                          6fe3fb85216045fdf8186429c27458a7

                          SHA1

                          ef2c68d0b3edf3def5d90f1525fe87c2142e5710

                          SHA256

                          905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550

                          SHA512

                          d2180f2d7ca35362a2dc322801fb0eee22820f2ac317c0be4c788c31d3939d30c9b356bf8daf0746545fb66092471f46f5d47c40403ed68b09415fcca90a125c

                        • C:\Windows\system32\MSSCS.exe
                          MD5

                          6fe3fb85216045fdf8186429c27458a7

                          SHA1

                          ef2c68d0b3edf3def5d90f1525fe87c2142e5710

                          SHA256

                          905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550

                          SHA512

                          d2180f2d7ca35362a2dc322801fb0eee22820f2ac317c0be4c788c31d3939d30c9b356bf8daf0746545fb66092471f46f5d47c40403ed68b09415fcca90a125c

                        • memory/1468-1-0x0000000000000000-mapping.dmp
                        • memory/1468-4-0x00007FF942880000-0x00007FF943220000-memory.dmp
                        • memory/4764-0-0x00007FF942880000-0x00007FF943220000-memory.dmp