Overview

overview

10

Static

static

8

Trial_case...5.xlsm

windows7_x64

10

Trial_case...5.xlsm

windows10_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    20-07-2021 18:23

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General

  • Target

    Trial_case_documentation_57758095.xlsm

  • Size

    83KB

  • MD5

    e99974044c3d978662cbb16fc107e39a

  • SHA1

    44dfcc058967791d942bcedc04d66fc33314604b

  • SHA256

    6f72df93a557315e682c391217be15a9a4ed17bcd501cac88a204550efe4ab8d

  • SHA512

    08935955cf0a4382e8fea6d79b0c8929dc4d8981311f528466b621da9d36c7a307f9ca5d469e14081b964265dbfdae111c015de04c957fe3bfddd713bc1c0d31

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 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\Trial_case_documentation_57758095.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -silent ..\cvbnxzcv.dll
      2⤵
      • Process spawned unexpected child process
      PID:2416

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/2416-255-0x0000000000000000-mapping.dmp
    Download
  • memory/4048-114-0x00007FF72F110000-0x00007FF7326C6000-memory.dmp
    Filesize

    53.7MB

    Download
  • memory/4048-115-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4048-116-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4048-117-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4048-118-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4048-122-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4048-121-0x00007FFDC3030000-0x00007FFDC411E000-memory.dmp
    Filesize

    16.9MB

    Download
  • memory/4048-123-0x00007FFDC1070000-0x00007FFDC2F65000-memory.dmp
    Filesize

    31.0MB

    Download