Overview

overview

8

Static

static

1

44e65a641f...5.xlsx

windows7-x64

8

44e65a641f...5.xlsx

windows10-2004-x64

1

decrypted.xlsx

windows7-x64

8

decrypted.xlsx

windows10-2004-x64

1

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-07-2024 02:08

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Report Analysis Logs

General

  • Target

    44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795.xlsx

  • Size

    2.1MB

  • MD5

    c9ad9506bcccfaa987ff9fc11b91698d

  • SHA1

    e788183a2a021f74a21f609e514bb63c4ef2fe49

  • SHA256

    44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795

  • SHA512

    509c7c387810399b4a35371b1ae77733184299ee631f13b70e1582a9bed32c8eebaea79beb8ce7bf07ac8d3fcd7d09fd460a461266e073d6d2e6acc5e3bc68b2

  • SSDEEP

    49152:hEK5fuBxYw1iHM+eP4yFIIFd52Mp21N5xb/CVBqCwj7IjLQc1U4l:SK5f6xYSl+VMy8G5ZC6CCIQc1/l

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

    exploit
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795.xlsx
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2924
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Launches Equation Editor
    PID:2876
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3024

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/2876-4-0x0000000002FD0000-0x0000000002FD1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2924-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2924-1-0x00000000724ED000-0x00000000724F8000-memory.dmp
    Filesize

    44KB

    Download
  • memory/2924-5-0x00000000724ED000-0x00000000724F8000-memory.dmp
    Filesize

    44KB

    Download
  • memory/3024-6-0x0000000140000000-0x00000001405E8000-memory.dmp
    Filesize

    5.9MB

    Download
  • memory/3024-7-0x0000000140000000-0x00000001405E8000-memory.dmp
    Filesize

    5.9MB

    Download
  • memory/3024-8-0x0000000140000000-0x00000001405E8000-memory.dmp
    Filesize

    5.9MB

    Download