Overview

overview

10

Static

static

8

8307b79614...f4.exe

windows7_x64

1

8307b79614...f4.exe

windows10_x64

10

Sharing

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General

  • Target

    8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4

  • Size

    1.4MB

  • Sample

    220106-dy7r8sbcem

  • MD5

    5bda122840962b4fa884a5259064ed74

  • SHA1

    baf9c557f397be3b58a9a8f56b8ff224ac231fec

  • SHA256

    8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4

  • SHA512

    4992c44c5b67d47a92964b3ceb7cfa70b079e3f18912104279998766e21acde6fc37834688a3d6270cb4a1081687eb153475cc9b2f5d11f43f4487a014429ba8

Score
10/10
cobaltstrikemetasploit305419896backdoorlinkpdfpersistencesuricatatrojanupx

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://www.ctfwiki.workers.dev:443/_static/jquery-3.3.1.min.js

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://qianx1n.xyz:443/jquery.min.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • dns_idle

    1.908702538e+09

  • host

    qianx1n.xyz,/jquery.min.js

  • http_header1

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAAgUmVmZXJlcjogaHR0cDovL2NvZGUuanF1ZXJ5LmNvbS8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADQAAAAIAAAAJX19jZmR1aWQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAAgUmVmZXJlcjogaHR0cDovL2NvZGUuanF1ZXJ5LmNvbS8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADQAAAAUAAAAIX19jZmR1aWQAAAAHAAAAAQAAAAMAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • maxdns

    255

  • polling_time

    45000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDyvfJWs++715HoMi9tlSZSgCf/o1NKJcRyCt2fTA4//I0nzqtcA1ePMsVi1OFNl2UlIXhJdeJXyZ+3km9g0VU6Lli+SRreeue/EolQNu6YmItro9iipWpHHpBxJvHPffpj0aivjN83hgY2CISRln6KsnXMspQpkSBBKYBL7Kv9kwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.184478976e+09

  • unknown2

    AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /jquery.js

  • user_agent

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

  • watermark

    305419896

Targets

    • Target

      8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4

    • Size

      1.4MB

    • MD5

      5bda122840962b4fa884a5259064ed74

    • SHA1

      baf9c557f397be3b58a9a8f56b8ff224ac231fec

    • SHA256

      8307b7961483dbf57866eb3a58ee1645dc060319e3781ff5487babd28f7b13f4

    • SHA512

      4992c44c5b67d47a92964b3ceb7cfa70b079e3f18912104279998766e21acde6fc37834688a3d6270cb4a1081687eb153475cc9b2f5d11f43f4487a014429ba8

    Score
    10/10
    cobaltstrikemetasploit305419896backdoorlinkpdfpersistencesuricatatrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

      trojanbackdoormetasploit

    • suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response

      suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response

      suricata

    • Blocklisted process makes network request

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks