Overview

overview

10

Static

static

8

purch_deta...1.xlsm

windows7_x64

10

purch_deta...1.xlsm

windows10_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-07-2021 14:04

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General

  • Target

    purch_details_7683561.xlsm

  • Size

    118KB

  • MD5

    4adb1c704a4a80ecb81c64a434668532

  • SHA1

    2062f59fffc47e4e9bcd54617e41e5cbca9299f2

  • SHA256

    42e23ef70fd55982c25ce5bd3a21d8442fe1412693c578c6a27c6d852570ea82

  • SHA512

    1a22f35118c728f91a59889c54bef878ff4f4d04f82abb926415ee8730618e9f0ef83dc70f52d579b8b4157bca380b8a23ef3e1a0a34569950ff363a4d8b6862

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://162.248.225.95/d.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 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\purch_details_7683561.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -slient ..\zvbxnx.dll
      2⤵
      • Process spawned unexpected child process
      PID:3960

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/1440-114-0x00007FF6382E0000-0x00007FF63B896000-memory.dmp
    Filesize

    53.7MB

    Download
  • memory/1440-115-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1440-116-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1440-117-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1440-118-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1440-119-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1440-122-0x00007FF8A29D0000-0x00007FF8A3ABE000-memory.dmp
    Filesize

    16.9MB

    Download
  • memory/1440-123-0x00007FF8A0940000-0x00007FF8A2835000-memory.dmp
    Filesize

    31.0MB

    Download
  • memory/3960-258-0x0000000000000000-mapping.dmp
    Download