Overview

overview

10

Static

static

8

Attachment_97680.xlsb

windows7_x64

10

Attachment_97680.xlsb

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-03-2021 20:18

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Report Analysis Logs

General

  • Target

    Attachment_97680.xlsb

  • Size

    197KB

  • MD5

    5906bbbde1afbe182c8d906242dc188a

  • SHA1

    8aea80bc46a0e001d1aae1afeafe0efbff85c27d

  • SHA256

    e3dca019f7423fad1343bf9c9b4f8fa993619ec82d6ca86995b3b4bd003ea106

  • SHA512

    f713460396a6cc2a4dc3022a739675bd89fda582f9e8547e4572f610e61d7b511eb737b0a1cf4c5d29ac7f87bfc3213d8cefc75e5ce4b0d176dabfe7c9f97889

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 FindShellTrayWindow 2 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_97680.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\ProgramData\uoxv\10.dll,DllRegisterServer1
      2⤵
      • Process spawned unexpected child process
      PID:4060

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\10.dll
    MD5

    4841ca52becc9aa28b486e2196911302

    SHA1

    27a08abd2996489c6b50bca6e713eef0798b6fae

    SHA256

    d922a0cff95ad6180e37e2ec0ea0001934908fc525e72b846e822c8959ed0c5b

    SHA512

    c696247484fc598e20f2369f0335668da398718386623f4c6f158be2c1c7b756b064578c620b2e875e98a563f25c01156f3c0dbb5c1d64ea12c7b53f14fb9ea6

    Download Submit
  • memory/1176-2-0x00007FFE49870000-0x00007FFE49880000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1176-3-0x00007FFE49870000-0x00007FFE49880000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1176-4-0x00007FFE49870000-0x00007FFE49880000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1176-5-0x00007FFE6DCC0000-0x00007FFE6E2F7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1176-6-0x00007FFE49870000-0x00007FFE49880000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4060-7-0x0000000000000000-mapping.dmp
    Download