Overview

overview

10

Static

static

10

f7714a6adf...fa.dll

windows7-x64

10

f7714a6adf...fa.dll

windows10-2004-x64

10

Sharing

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General

  • Target

    f7714a6adf58a4ff4d44be68e5bbd676c860f3560cf20b821051d0948c491bfa

  • Size

    9KB

  • Sample

    230823-afjqxage26

  • MD5

    92fe208986491f8510883bbff5391bc3

  • SHA1

    386fc5e8af6fd706876320a933149467303ca8e2

  • SHA256

    f7714a6adf58a4ff4d44be68e5bbd676c860f3560cf20b821051d0948c491bfa

  • SHA512

    cbd7f47f81576d231011c0b62e5cce32e83dd95154fd30530e9d44211f6a4dc34cff0ccfbfb59026653f72bb90fcf56fc7c731179241a63a9990d930afca0424

  • SSDEEP

    48:q0r+l6O5aXyn/hNhx4/jC/VyR9x3P7cvAw5av9w/nuPLLCKRb0E:dX0Y7x34r5av2nELLP

Score
10/10
cobaltstrike0305419896backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://43.138.188.41:5556/ZLBu

Attributes
  • user_agent

    User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; QQDownload 733; .NET CLR 2.0.50727)

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://43.138.188.41:5556/cm

Attributes
  • access_type

    512

  • host

    43.138.188.41,/cm

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    60000

  • port_number

    5556

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnCZHWnYFqYB/6gJdkc4MPDTtBJ20nkEAd3tsY4tPKs8MV4yIjJb5CtlrbKHjzP1oD/1AQsj6EKlEMFIKtakLx5+VybrMYE+dDdkDteHmVX0AeFyw001FyQVlt1B+OSNPRscKI5sh1L/ZdwnrMy6S6nNbQ5N5hls6k2kgNO5nQ7QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)

  • watermark

    305419896

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      f7714a6adf58a4ff4d44be68e5bbd676c860f3560cf20b821051d0948c491bfa

    • Size

      9KB

    • MD5

      92fe208986491f8510883bbff5391bc3

    • SHA1

      386fc5e8af6fd706876320a933149467303ca8e2

    • SHA256

      f7714a6adf58a4ff4d44be68e5bbd676c860f3560cf20b821051d0948c491bfa

    • SHA512

      cbd7f47f81576d231011c0b62e5cce32e83dd95154fd30530e9d44211f6a4dc34cff0ccfbfb59026653f72bb90fcf56fc7c731179241a63a9990d930afca0424

    • SSDEEP

      48:q0r+l6O5aXyn/hNhx4/jC/VyR9x3P7cvAw5av9w/nuPLLCKRb0E:dX0Y7x34r5av2nELLP

    Score
    10/10
    cobaltstrike0305419896backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Blocklisted process makes network request

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks