Overview

overview

10

Static

static

10

?i=1sufucrrp.xlsm

windows7_x64

10

?i=1sufucrrp.xlsm

windows10-2004_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-05-2022 16:28

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General

  • Target

    ?i=1sufucrrp.xlsm

  • Size

    83KB

  • MD5

    0c6adea1eff64b8f701e18a8c9e5284d

  • SHA1

    958197aca69eabbf0d6717e880ac3bb7d49a4d7a

  • SHA256

    ddfaf178cd5ea6decc275fa0a3d27bade27c40b7cd0ac8a086a615e296ce0377

  • SHA512

    7a01ec8855b51239dc59497bbc4e5b0da0f1d796963a6981842660fe734e05a48689ce3df35f9372068526b2217327eb5123d9a61631abec0b3a7db65c47fa02

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://robotically.xyz/wp-content/XtKkx/

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 3 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\_i=1sufucrrp.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Windows\SysWow64\rundll32.exe
      C:\Windows\SysWow64\rundll32.exe ..\wxeu.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
      2⤵
      • Process spawned unexpected child process
      PID:4484

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

  • C:\Users\Admin\wxeu.ocx
    Filesize

    2KB

    MD5

    4a9835e5202bdd6eacb0f03bf4211443

    SHA1

    37cc2e3f7e26fdfa8619b6675ce78c4b4b45925e

    SHA256

    d36cc08fa709f0f0092a3125be2882d123863e0f37b1f977014c915fe1b7b4d3

    SHA512

    36da66718f3ac2d1508f6ab1644d718e9142e48b1ec5db5a40cdbb542548cfbdd3027a8b4bc241599d61687045d901cba4f6e2c39df4b2ddc93bedc4c3e2253a

    Download Submit
  • memory/4484-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4740-130-0x00007FF8B5630000-0x00007FF8B5640000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4740-131-0x00007FF8B5630000-0x00007FF8B5640000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4740-132-0x00007FF8B5630000-0x00007FF8B5640000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4740-133-0x00007FF8B5630000-0x00007FF8B5640000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4740-134-0x00007FF8B5630000-0x00007FF8B5640000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4740-135-0x00007FF8B2D30000-0x00007FF8B2D40000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4740-136-0x00007FF8B2D30000-0x00007FF8B2D40000-memory.dmp
    Filesize

    64KB

    Download