Overview

overview

10

Static

static

8

inform_1947.xlsb

windows7_x64

10

inform_1947.xlsb

windows10_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 06:36

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General

  • Target

    inform_1947.xlsb

  • Size

    63KB

  • MD5

    8a45db195455249ec54f996d552f93bd

  • SHA1

    f66dd2cfae0f4447e3dc26745eb3f330a07c4184

  • SHA256

    9178c52f3b0fd561a2dc1ed1f075dc647dbd8aa12b89355b159a16706f383b18

  • SHA512

    65a8d73d97ba8f8868a5f7d7905b0959b14a497f69e7349e8d7160800a83b4f901c655f094fdc85b95ec49ca8a449baf9a33ebc0c719482ec3747d3f9ea15e63

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 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\inform_1947.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\NvuiUvS\esardhI\DxmHxoC.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3988

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/744-2-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp
    Filesize

    64KB

    Download
  • memory/744-3-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp
    Filesize

    64KB

    Download
  • memory/744-4-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp
    Filesize

    64KB

    Download
  • memory/744-5-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp
    Filesize

    64KB

    Download
  • memory/744-6-0x00007FFD712E0000-0x00007FFD71917000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/3988-7-0x0000000000000000-mapping.dmp
    Download