Overview

overview

10

Static

static

????.docx.exe

windows7_x64

10

????.docx.exe

windows10-2004_x64

10

WzComAddrBook64.dll

windows7_x64

1

WzComAddrBook64.dll

windows10-2004_x64

1

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27-06-2022 10:57

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General

  • Target

    ????.docx.exe

  • Size

    1.4MB

  • MD5

    30f2444fe84adfbf39c60bb0c8e6d7d1

  • SHA1

    3ec347b49517b1d165a3797db9816f78652e8988

  • SHA256

    288084c0dc8bd71f5a09bda594f4f2f6f18271eca4fa459dcfc771a19dd46a25

  • SHA512

    0b33a9cf6c820025bb61c7cf103e24a54c2a6326cd0f54cbc41d110e6be5e2a35b6348886964165b38f688c7f7d7a2a54cd410d784a46ec2619e32c28a210855

Score
10/10
cobaltstrike0305419896backdoorsuricatatrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://42.249.219.112:443/push

http://117.139.142.248:443/__utm.gif

http://58.221.30.69:443/dot.gif
Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    42.249.219.112,/push,117.139.142.248,/__utm.gif,58.221.30.69,/dot.gif

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    60000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCm6dDNosecwYifTVCVelinAuAlJwa3XU3XMOkS290iPmPmofjMd/+EOcoCE8d7xvj4mNtcSWHspfOAMs/dTabxOJDIqvrJQHVNimp3j1kB36AU92BokpBAlZ+i5NrOaQE1XC3RV2dU2e1PewC+QwIOsCvU7ljzvySxMN1oHGi0DQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.2; InfoPath.3)

  • watermark

    305419896

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • suricata: ET MALWARE Cobalt Strike Beacon Observed

    suricata: ET MALWARE Cobalt Strike Beacon Observed

    suricata
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\____.docx.exe
    "C:\Users\Admin\AppData\Local\Temp\____.docx.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/4720-131-0x0000011C7FC70000-0x0000011C7FCBC000-memory.dmp
    Filesize

    304KB

    Download
  • memory/4720-130-0x0000011C7FC30000-0x0000011C7FC70000-memory.dmp
    Filesize

    256KB

    Download
  • memory/4720-132-0x0000011C7FC70000-0x0000011C7FCBC000-memory.dmp
    Filesize

    304KB

    Download