Overview

overview

10

Static

static

10

db51470283...c3.xls

windows7_x64

10

db51470283...c3.xls

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-03-2021 17:57

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General

  • Target

    db51470283d68b4eb4bcaa7ec2479a06d41503cd5862214f97e4f394748b36c3.xls

  • Size

    39KB

  • MD5

    9ef3b3a010179316440db44abbd34e90

  • SHA1

    a5419ce2f80ce760bdf4a7bddd65df4a8a917123

  • SHA256

    db51470283d68b4eb4bcaa7ec2479a06d41503cd5862214f97e4f394748b36c3

  • SHA512

    89f2379072f6f049e3affa1858d745313a1a438cffe9d47489d55731f9004c921e5b0c44da0f2bbc1f9c49424e8cc4dac44cec65603c0fe059ff32a58298ee41

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\db51470283d68b4eb4bcaa7ec2479a06d41503cd5862214f97e4f394748b36c3.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:4684
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\fkruf.djr,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3176

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/3176-7-0x0000000000000000-mapping.dmp
    Download
  • memory/4684-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4684-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4684-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4684-5-0x00007FFEEB2F0000-0x00007FFEEB927000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/4684-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download