Overview

overview

10

Static

static

8

comun_2868.xlsb

windows7_x64

10

comun_2868.xlsb

windows10_x64

10

Analysis

  • max time kernel
    69s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 07:08

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General

  • Target

    comun_2868.xlsb

  • Size

    81KB

  • MD5

    8d30097790bd5708bb56f199ec3dfeb8

  • SHA1

    9a0b31195dcdd77610c6214740e2680dc80b29b4

  • SHA256

    d8debc27035612a60d5cea8d3353789de930395379e6c087a524d6df49f5916d

  • SHA512

    00bf934c5b0341af3606bd9a2eb30b0ab97acc19c924a13c33926b23ed45bf59f25db8e1e42f4233ab9360f841e9121f80456be3eb0d7c63ec996e5afbfea30d

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 14 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\comun_2868.xlsb"
    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:756
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\djfruJe\gpzuYnG\GDwPMjF.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2828

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/756-2-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/756-3-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/756-4-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/756-5-0x00007FFFD2150000-0x00007FFFD2787000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/756-6-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/756-9-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/756-8-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/756-10-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/756-11-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2828-7-0x0000000000000000-mapping.dmp
    Download