Overview

overview

8

Static

static

8

IRS_Sheet_5609567.xls

windows7_x64

6

IRS_Sheet_5609567.xls

windows10_x64

6

Analysis

  • max time kernel
    71s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    08/07/2020, 21:02

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Report Analysis Logs

General

  • Target

    IRS_Sheet_5609567.xls

  • Size

    78KB

  • MD5

    2bbc0cd25fd17a20905533745d37cafa

  • SHA1

    5310336b56430a42fb652e40a6b09fa1aa004ce8

  • SHA256

    3574b67e84e558069610e38049cc5e17d832c8bb012ba5844ebc4aff0c41bf27

  • SHA512

    6c51cf99c144cc66a4694305f16829aabc4aecb3b5e87f7352039e9c54096352f9fd3ef01110eb0e8e3b8111e2166abc364e971a6b4f0c1ee49d56598e0d09b9

Score
6/10

Malware Config

Signatures

  • 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 use of SetWindowsHookEx 8 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Suspicious use of WriteProcessMemory 4 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\IRS_Sheet_5609567.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4492
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4492
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:8

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/8-2-0x0000012DDEF60000-0x0000012DDEF61000-memory.dmp

    Filesize

    4KB

    Download

  • memory/8-3-0x0000012DDEF60000-0x0000012DDEF61000-memory.dmp

    Filesize

    4KB

    Download

  • memory/8-5-0x0000012DDF6A0000-0x0000012DDF6A1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/8-8-0x0000012DDF920000-0x0000012DDF921000-memory.dmp

    Filesize

    4KB

    Download

  • memory/8-9-0x0000012DDF920000-0x0000012DDF921000-memory.dmp

    Filesize

    4KB

    Download

  • memory/8-10-0x0000012DDF920000-0x0000012DDF921000-memory.dmp

    Filesize

    4KB

    Download

  • memory/8-11-0x0000012DDF5E0000-0x0000012DDF5E1000-memory.dmp

    Filesize

    4KB

    Download