Overview

overview

10

Static

static

8

Attachment_98708.xlsb

windows7_x64

10

Attachment_98708.xlsb

windows10_x64

10

Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-03-2021 13:36

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Report Analysis Logs

General

  • Target

    Attachment_98708.xlsb

  • Size

    197KB

  • MD5

    dd5169f2cfc9499eb9eef5ddf6862fb9

  • SHA1

    e3730d93ee0d88808dbe566c84bca090a3fe7dcc

  • SHA256

    56de3c08f5bebe5e57a644e893eb944479991c2bf3c9e814572b53313e16c28d

  • SHA512

    577d9a6c7eab62aa87e779ebba4e8451fcac7fd8c8b9d8cdc04ba1bd42b889fa1652fc30c72481cfde7c63722e0943202a576e6e37b165d6289413fb3c8c0434

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.

  • 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 SetWindowsHookEx 12 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\Attachment_98708.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:692
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\ProgramData\uoxv\43.dll,DllRegisterServer1
      2⤵
      • Process spawned unexpected child process
      PID:4068

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

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Downloads

  • C:\ProgramData\uoxv\43.dll
    MD5

    3ebedc92fdd46f34a89632d65eca2dff

    SHA1

    8549c8a0912b6d596596796b7089cfd4ed1db951

    SHA256

    5e135e001d77eb7f57ca9dec1bbbf1e2c8d6ed8188081c284890061c5858ba24

    SHA512

    8a5f5175e7a43e8638bf36533c8e9cdcaa1796d028e210395ee2f001b513dae71933b4caec93f9f5e7d6c53f549420c21f39d11418acf49120b5ba5823591444

    Download Submit
  • memory/692-2-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/692-3-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/692-4-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/692-5-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/692-6-0x00007FFE6C870000-0x00007FFE6CEA7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/4068-7-0x0000000000000000-mapping.dmp
    Download