Analysis

  • max time kernel
    69s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 18:00

General

  • Target

    Documents972.xlsm

  • Size

    57KB

  • MD5

    8c9041813c83038de85079aa49f3d936

  • SHA1

    6fa687e4396b933d0b4555455b55de5b8db3baf7

  • SHA256

    c5444c7252d6e22f4a2de2168a4afeb08e1f841aeba675e6e632e2c64fcd71ca

  • SHA512

    9cf1431762f932a3bf4fd858496e4339443115676084b7b6d1f0ab206940277a3cba09c410e02232e1689dc50501286888de4ed62abc3f12ce6077bcb335b309

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process ⋅ 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry ⋅ 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry ⋅ 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener ⋅ 1 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 42 IoCs
  • Suspicious use of SetWindowsHookEx ⋅ 14 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Documents972.xlsm"
    Checks processor information in registry
    Enumerates system info in registry
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\System32\Wbem\wmic.exe
      wmic.exe process call create 'regsvr32 -s C:\Users\Public\microsoft.security'
      Process spawned unexpected child process
      Suspicious use of AdjustPrivilegeToken
      PID:3804
  • C:\Windows\system32\regsvr32.exe
    regsvr32 -s C:\Users\Public\microsoft.security
    Process spawned unexpected child process
    PID:1516

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

                        • memory/1108-2-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/1108-3-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/1108-4-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/1108-5-0x00007FFC48440000-0x00007FFC48A77000-memory.dmp
                        • memory/1108-6-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/1108-8-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/1108-9-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/1108-10-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/1108-11-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
                        • memory/3804-7-0x0000000000000000-mapping.dmp