Overview

overview

10

Static

static

17ad872902...eb.dll

windows7-x64

10

17ad872902...eb.dll

windows10-2004-x64

1

Sharing

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General

  • Target

    17ad8729021972956c6d6c85aae95c814d1792ffdc6aba57d8f560ad3c445beb

  • Size

    387KB

  • Sample

    220802-etxl5sadf3

  • MD5

    ae997fac588605293f48a9445642820a

  • SHA1

    085dbdb87326a7a743033e172dbd49d27b7e85a0

  • SHA256

    17ad8729021972956c6d6c85aae95c814d1792ffdc6aba57d8f560ad3c445beb

  • SHA512

    62229fbb8d752975ef592fa9c273a37897c1d187c51435b482bb9e83087baaef4e401454affe4f4d4ec1bc982826a6f712c08d49f34acba009790a4e44156fb2

Score
10/10
cobaltstrike0666666backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

666666

C2

http://service-lynlacy1-1313050835.bj.apigw.tencentcs.com:443/chatDev_9.1.2.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    service-lynlacy1-1313050835.bj.apigw.tencentcs.com,/chatDev_9.1.2.js

  • http_header1

    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

  • http_header2

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAAeQWNjZXB0LUVuY29kaW5nOiBnemlwLCBkZWZsYXRlAAAABwAAAAAAAAAPAAAADQAAAAUAAAAIcHJvZF91aWQAAAAHAAAAAQAAAA8AAAANAAAAAgAAAA97ImVuY29kZURhdGEiOiIAAAABAAAADyIsInR5cGUiOiIyOTcifQAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    7680

  • polling_time

    50000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC21762mJ4uIPTYahhh7Gty+dKvf5gBREs4rPfSL8u5D2Rbu2m+0SphabY7gbGNXFTTyqv1Ti5ko0GPHozMHIkPLNeqUTl5pPgE5PV01w8xVRkpQUF+AxQY9xJPmhxp/p+ymAJl2BywyrBHy+hU+Ysts2ZW/j20vUNfKUGKbGj5AwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    2.3794944e+07

  • unknown2

    AAAABAAAAAEAAAX0AAAAAgAAAFQAAAACAAAPXgAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /chat/encdata.js

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0; infoPath.112;) like Gecko

  • watermark

    666666

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      17ad8729021972956c6d6c85aae95c814d1792ffdc6aba57d8f560ad3c445beb

    • Size

      387KB

    • MD5

      ae997fac588605293f48a9445642820a

    • SHA1

      085dbdb87326a7a743033e172dbd49d27b7e85a0

    • SHA256

      17ad8729021972956c6d6c85aae95c814d1792ffdc6aba57d8f560ad3c445beb

    • SHA512

      62229fbb8d752975ef592fa9c273a37897c1d187c51435b482bb9e83087baaef4e401454affe4f4d4ec1bc982826a6f712c08d49f34acba009790a4e44156fb2

    Score
    10/10
    cobaltstrike0666666backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Blocklisted process makes network request

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks