Overview

overview

10

Static

static

8

Item_posit...5.xlsm

windows7_x64

10

Item_posit...5.xlsm

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-07-2021 15:07

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General

  • Target

    Item_positions_receipt_564965.xlsm

  • Size

    83KB

  • MD5

    69ffd7ea01a030733c49e5af499d2b09

  • SHA1

    74f5eb89a00cc97ee00bc6d05e370c80c94828ee

  • SHA256

    41b7544d4b5ccdda8eea4ac8a7d7204d157301e87a41756cddbf8b451699338c

  • SHA512

    6696d25696de91bece383784553aca123e523fddaf4c512fc495d95130b023f23c2464ccc050d369c2819d5f5b0afe6ed43cb6667d2cf618390b9f44d871c621

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://162.248.225.97/1.php

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\Item_positions_receipt_564965.xlsm"
    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:632
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -silent ..\iuretiu.dll
      2⤵
      • Process spawned unexpected child process
      PID:688

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

  • memory/632-114-0x00007FF6C1CE0000-0x00007FF6C5296000-memory.dmp
    Filesize

    53.7MB

    Download
  • memory/632-115-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-116-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-117-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-118-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-121-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/632-122-0x00007FFAE5480000-0x00007FFAE656E000-memory.dmp
    Filesize

    16.9MB

    Download
  • memory/632-123-0x00007FFAE3580000-0x00007FFAE5475000-memory.dmp
    Filesize

    31.0MB

    Download
  • memory/688-257-0x0000000000000000-mapping.dmp
    Download