Analysis

  • max time kernel
    84s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01/02/2022, 07:28

General

  • Target
    38d3f5173827b3d7f213cb95de47e2087937eef5c9c3d48caf1dfb9098a063d4.xlsm
  • Size 388KB
  • Sample220201-jax6saaggj
  • SHA256 38d3f5173827b3d7f213cb95de47e2087937eef5c9c3d48caf1dfb9098a063d4
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 6 IoCs
  • 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
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 8 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\38d3f5173827b3d7f213cb95de47e2087937eef5c9c3d48caf1dfb9098a063d4.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:436
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 754be9f79599ab27e529d97c92d3c193 iIDj98yJGUW8jn8xMtQdsA.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:1552
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4240

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/436-130-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

        memory/436-131-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

        memory/436-132-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

        memory/436-133-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

        memory/436-134-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

        memory/436-135-0x00007FFF15930000-0x00007FFF15940000-memory.dmp

        memory/436-136-0x00007FFF15930000-0x00007FFF15940000-memory.dmp

        memory/4240-192-0x0000027322E60000-0x0000027322E64000-memory.dmp