Overview

overview

10

Static

static

8

SecuriteIn...39.xls

windows7_x64

10

SecuriteIn...39.xls

windows10_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-02-2021 18:14

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General

  • Target

    SecuriteInfo.com.Heur.15528.14839.xls

  • Size

    91KB

  • MD5

    5a75c6184001a6b8785206f1e2121290

  • SHA1

    b3ec9fbcc5e96c45e74d503210a51a7ee5ce8132

  • SHA256

    c71bd3833fbb10cd2f845c83a6ed957f3243990de48a74b4d5cf1602303f4bb1

  • SHA512

    d1d29f02ae53f7fe04ebab4e628d0e30f0f9f4c1bbe58ef3eed9bc3f44d0b2af4b8df2b81fbcd75ba083f77c52a7827cbb6b089382f3d8c9d6aae12bf8cf2760

Score
10/10

Malware Config

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\SecuriteInfo.com.Heur.15528.14839.xls"
    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:3976
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\rieuro.vnt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1452

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/1452-7-0x0000000000000000-mapping.dmp
    Download
  • memory/3976-2-0x00007FF7FA740000-0x00007FF7FA750000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3976-3-0x00007FF7FA740000-0x00007FF7FA750000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3976-4-0x00007FF7FA740000-0x00007FF7FA750000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3976-5-0x00007FF81E2C0000-0x00007FF81E8F7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/3976-6-0x00007FF7FA740000-0x00007FF7FA750000-memory.dmp
    Filesize

    64KB

    Download