Overview

overview

10

Static

static

3

49f7bff3e4...58.exe

windows7-x64

10

49f7bff3e4...58.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    49f7bff3e4286868bf362ae73614e311c9b3b2a4436dc0d41a714a1ada577458

  • Size

    1.2MB

  • Sample

    240305-byr1nsbc76

  • MD5

    a6dab257336a869364d80c621fc6c9d2

  • SHA1

    8229bc04f7057cd031d7ea8b307feb1b406a6bf2

  • SHA256

    49f7bff3e4286868bf362ae73614e311c9b3b2a4436dc0d41a714a1ada577458

  • SHA512

    98c3f8dfe6e25ba03779528676e0b5232f6b8081a69c5e4358e07bd46ab48aad18c430ae407aaea8ce69e760265976189cc2d94bc6ef349a4b8ab22838954f28

  • SSDEEP

    24576:NGHCm8uPdJfEdancxoWGVNueMahu+LPO1u2KM1:UuWYaNNueMZ+Lm1u1M1

Score
10/10
cobaltstrike305419896backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://162.209.159.49:80/jquery-3.3.1.min.js

Attributes
  • access_type

    512

  • dns_idle

    1.908702538e+09

  • host

    162.209.159.49,/jquery-3.3.1.min.js

  • http_header1

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAAgUmVmZXJlcjogaHR0cDovL2NvZGUuanF1ZXJ5LmNvbS8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADQAAAAIAAAAJX19jZmR1aWQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAAgUmVmZXJlcjogaHR0cDovL2NvZGUuanF1ZXJ5LmNvbS8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADwAAAA0AAAAFAAAACF9fY2ZkdWlkAAAABwAAAAEAAAAPAAAADQAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • maxdns

    255

  • polling_time

    1000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCX/ASOjYPmnXg9vzuZw67JziFYz5GpIC8PBnfWPrKrQ4z7bqyIwPb8M4r14BFZEEJGFyg1LyNmR02vE/H3O0GedE50hLU+kKqAS6lPQtkf5grX/fhImjKZAO5rhJaQDIOMgT1I7BOtit1kjEsJBYqWiISLJHXdZmVEEzRA8AFG6QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • 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

Targets

    • Target

      49f7bff3e4286868bf362ae73614e311c9b3b2a4436dc0d41a714a1ada577458

    • Size

      1.2MB

    • MD5

      a6dab257336a869364d80c621fc6c9d2

    • SHA1

      8229bc04f7057cd031d7ea8b307feb1b406a6bf2

    • SHA256

      49f7bff3e4286868bf362ae73614e311c9b3b2a4436dc0d41a714a1ada577458

    • SHA512

      98c3f8dfe6e25ba03779528676e0b5232f6b8081a69c5e4358e07bd46ab48aad18c430ae407aaea8ce69e760265976189cc2d94bc6ef349a4b8ab22838954f28

    • SSDEEP

      24576:NGHCm8uPdJfEdancxoWGVNueMahu+LPO1u2KM1:UuWYaNNueMZ+Lm1u1M1

    Score
    10/10
    cobaltstrike305419896backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks