Overview

overview

10

Static

static

3

3927c345d6...e7.dll

windows7-x64

10

3927c345d6...e7.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 01:15

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General

  • Target

    3927c345d61acfb52e6ddf5015033023b58df5b5c638cd6e7897a1b8e5bf98e7.dll

  • Size

    377KB

  • MD5

    188044dbe72707df496c5f5f6fde7d96

  • SHA1

    821939aef0a4a14520c9a3fd6b4c28839ef5e7a5

  • SHA256

    3927c345d61acfb52e6ddf5015033023b58df5b5c638cd6e7897a1b8e5bf98e7

  • SHA512

    a66f6ab09c9c4b678e9292826aa232037508ef1b23ca81669474a8b58e23ed4feeffe671f8f3f7e91060e3dcb724013a4ae805b60e6cf161257a52a2ff146410

  • SSDEEP

    6144:ZRLS6xWT00aqU8FT0NyeX0efaSRv+6jMq0h5V6rHeFWoBP++SWSO:ZBS608qUqQj0eRvKV6+FWOCW

Score
10/10
cobaltstrike0305419896backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://www.mxilws.buzz:8443/jquery-3.3.1.min.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • dns_idle

    1.908702538e+09

  • host

    www.mxilws.buzz,/jquery-3.3.1.min.js

  • http_header1

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAABAAAAARSG9zdDogbXhpbHdzLmJ1enoAAAAKAAAAHFJlZmVyZXI6IGh0dHA6Ly9teGlsd3MuYnV6ei8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADQAAAAIAAAAJX19jZmR1aWQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAABAAAAARSG9zdDogbXhpbHdzLmJ1enoAAAAKAAAAHFJlZmVyZXI6IGh0dHA6Ly9teGlsd3MuYnV6ei8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADwAAAA0AAAAFAAAACF9fY2ZkdWlkAAAABwAAAAEAAAAPAAAADQAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • maxdns

    255

  • polling_time

    45000

  • port_number

    8443

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD0VVBj84W/pQum7jRaDfr2I9gE/rAw8wb8b///OF8E9vrsnXyi99Bt5rkG0df54bbQi5ld4HGlfRM6iI3TnduC0EV0eA7qXay8fYWNcOrK5m+fVMrdjkL4khvVf7QeFxPCUyklfWONcoMGZZ4ty06LKpow07gV3KZ7yMVdoY5tHQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.234810624e+09

  • unknown2

    AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /jquery-3.3.2.min.js

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

  • watermark

    305419896

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

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\3927c345d61acfb52e6ddf5015033023b58df5b5c638cd6e7897a1b8e5bf98e7.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:4676

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4676-0-0x00007FFD15550000-0x00007FFD15745000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/4676-1-0x00007FFD14970000-0x00007FFD14A2E000-memory.dmp
    Filesize

    760KB

    Download
  • memory/4676-2-0x00007FFD132D0000-0x00007FFD13599000-memory.dmp
    Filesize

    2.8MB

    Download
  • memory/4676-3-0x00007FFD0ED90000-0x00007FFD0EFF4000-memory.dmp
    Filesize

    2.4MB

    Download
  • memory/4676-7-0x000002CE88550000-0x000002CE88745000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/4676-8-0x000002CE88550000-0x000002CE889C2000-memory.dmp
    Filesize

    4.4MB

    Download
  • memory/4676-10-0x000002CE88550000-0x000002CE8860E000-memory.dmp
    Filesize

    760KB

    Download
  • memory/4676-9-0x000002CE88550000-0x000002CE88745000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/4676-11-0x000002CE88550000-0x000002CE88819000-memory.dmp
    Filesize

    2.8MB

    Download
  • memory/4676-23-0x000002CE88550000-0x000002CE8860E000-memory.dmp
    Filesize

    760KB

    Download
  • memory/4676-24-0x000002CE88550000-0x000002CE88819000-memory.dmp
    Filesize

    2.8MB

    Download
  • memory/4676-22-0x000002CE88550000-0x000002CE88745000-memory.dmp
    Filesize

    2.0MB

    Download