Overview

overview

10

Static

static

8

a197aee55a...eb.xls

windows7-x64

1

a197aee55a...eb.xls

windows10-2004-x64

10

Analysis

  • max time kernel
    157s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 11:48

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General

  • Target

    a197aee55a6479d77469e03bfda0f9ea88292dd0dd09d5b9759123c97e9bc7eb.xls

  • Size

    254KB

  • MD5

    726ff3ba6373c51a564b567f141c9257

  • SHA1

    08f20c709bb273fe1896879cb1143064361ae898

  • SHA256

    a197aee55a6479d77469e03bfda0f9ea88292dd0dd09d5b9759123c97e9bc7eb

  • SHA512

    6ddb6b19c4a50a7319dfd2f5a2b6370b6bc8f456c10b876e5b777e876721703fbae4054b72556e225f0f1a32f6f7318846ad99cb2337e554054433c24922dafe

  • SSDEEP

    1536:yllluoSYYFPsExMHzyu/vm4DvPlwUcB21lDwSmtYUrhs6Rjfk9zy+mA08gwcUAgY:1RjfkcV1BKJLgs1xHFn2GFNQX

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.

  • 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.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • 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\a197aee55a6479d77469e03bfda0f9ea88292dd0dd09d5b9759123c97e9bc7eb.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3084
    • 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 10604
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3180
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 10604
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:2008
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3084 -s 10660
      2⤵
      • Process spawned unexpected child process
      • Program crash
      PID:4600
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 460 -p 3084 -ip 3084
    1⤵
      PID:1348

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2008-145-0x0000000000000000-mapping.dmp
      Download
    • memory/3084-138-0x00007FFC7B370000-0x00007FFC7B380000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3084-134-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3084-135-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3084-136-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3084-137-0x00007FFC7B370000-0x00007FFC7B380000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3084-132-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3084-133-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3180-139-0x0000000000000000-mapping.dmp
      Download
    • memory/3180-146-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3180-147-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3180-149-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3180-148-0x00007FFC7DCD0000-0x00007FFC7DCE0000-memory.dmp
      Filesize

      64KB

      Download