Overview

overview

10

Static

static

1

e40e6aa7e5...5e.dll

windows7-x64

1

e40e6aa7e5...5e.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2024, 15:07

Sharing

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General

  • Target
    e40e6aa7e52cd5d6ba0d829522a1be69ea90ab7c1e42ae098bd3b7328f0a025e.dll
  • Size 323KB
  • Sample240307-shrhmsfb4w
  • SHA256 e40e6aa7e52cd5d6ba0d829522a1be69ea90ab7c1e42ae098bd3b7328f0a025e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
cobaltstrike478621151backdoortrojan

Malware Config

Extracted

Family

  • cobaltstrike

Botnet

  • 478621151

C2

  • http://media.nekopla.net:443/search/

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    media.nekopla.net,/search/

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    2560

  • polling_time

    2000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\RuntimeBroker.exe

  • sc_process64

    %windir%\sysnative\RuntimeBroker.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCWICMTFTCrG0u1kcy3o8gYq7CN6/1rOzVzo1BtW7JVWTypLxivr2S2Y1VNZ7DtujIylwyr8AQdcID8SUIZfMjubPGHuVvUjLYMrO4I2tzOBaRhZX2GZA2Rzp31BnRHboJ+OZ9CLJy+eJPD6oqYmPKWU++C/f5IjejY93VFeeARnwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.481970944e+09

  • unknown2

    AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /blog/wp-includes/mine/src.php

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36

  • watermark

    478621151

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Blocklisted process makes network request 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e40e6aa7e52cd5d6ba0d829522a1be69ea90ab7c1e42ae098bd3b7328f0a025e.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:3496

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3496-0-0x0000011264990000-0x00000112649D4000-memory.dmp
        Download

        memory/3496-2-0x00000112662D0000-0x0000011266471000-memory.dmp
        Download

        memory/3496-3-0x0000011264990000-0x0000011264991000-memory.dmp
        Download

        memory/3496-4-0x00007FF8598D0000-0x00007FF859925000-memory.dmp
        Download