Overview

overview

10

Static

static

8

d3b2a6de13...f.xlsm

windows7_x64

10

d3b2a6de13...f.xlsm

windows10_x64

10

Analysis

  • max time kernel
    300s
  • max time network
    302s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15-07-2021 08:50

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General

  • Target

    d3b2a6de1369cc594066f875b10934c9205b68eaf281ca1f7b40af8a1b169bcf.xlsm

  • Size

    117KB

  • MD5

    b3da423d9b56e0b27a537e61c7af5993

  • SHA1

    53d7c6efa29f653b2bf07961abb77d4472a1accc

  • SHA256

    d3b2a6de1369cc594066f875b10934c9205b68eaf281ca1f7b40af8a1b169bcf

  • SHA512

    28ca2659a920f4c384ef969d3592912dc95f8bb3fae9dbc7284cb8e58db7ac2948b775e9e75d6f0cc5b40a847bee78adec81fc0d2b87f8fd853daa2ca03695de

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://185.209.160.61/2.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\d3b2a6de1369cc594066f875b10934c9205b68eaf281ca1f7b40af8a1b169bcf.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:804
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -slient ..\reyytutrutr.dll
      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

  • memory/804-114-0x00007FF7EEC60000-0x00007FF7F2216000-memory.dmp
    Filesize

    53.7MB

    Download
  • memory/804-115-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp
    Filesize

    64KB

    Download
  • memory/804-116-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp
    Filesize

    64KB

    Download
  • memory/804-117-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp
    Filesize

    64KB

    Download
  • memory/804-118-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp
    Filesize

    64KB

    Download
  • memory/804-121-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp
    Filesize

    64KB

    Download
  • memory/804-122-0x00007FF9FD870000-0x00007FF9FE95E000-memory.dmp
    Filesize

    16.9MB

    Download
  • memory/804-123-0x00007FF9FB970000-0x00007FF9FD865000-memory.dmp
    Filesize

    31.0MB

    Download
  • memory/4068-273-0x0000000000000000-mapping.dmp
    Download