Overview

overview

10

Static

static

3

perl530.dll

windows7-x64

10

perl530.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2024 01:57

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General

  • Target

    perl530.dll

  • Size

    58.4MB

  • MD5

    443b9a2d42e0668326f91f2aebd200f9

  • SHA1

    d348f8d8570cad40402f2fd75439346a5557fea1

  • SHA256

    d44560fcedcb1d69fefddc0ce0b3b8109e1598e2b415e292b76e8fd7700724e6

  • SHA512

    874a143b8cadcb970cd25d2706dba0219a21589d7fd293b2e19dc4c667c1178211640b968296a62836250aa1c254b72e9ef7c62f36b24c1d84bfeb562a6bb5ae

  • SSDEEP

    393216:QDP4am/U4mhEyLWG4aWK8sPEsnJF6GIVZuUAIbHrpn3j2RlrBnPE5nolKO7nyLr9:xS4szeo99df+AwSz2qFGXrt1VjBZ3x

Score
10/10
cobaltstrike100000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://120.26.36.197:443/js/lib/jquery-1-edb203c114.10.2.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    120.26.36.197,/js/lib/jquery-1-edb203c114.10.2.js

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    14592

  • polling_time

    5050

  • port_number

    443

  • sc_process32

    %windir%\syswow64\wbem\wmiprvse.exe -Embedding

  • sc_process64

    %windir%\sysnative\wbem\wmiprvse.exe -Embedding

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCZtztQssWoQWJVYT5bPwX3TYdB4zIcX2mU6nj2Rd3eQPTaAbUyp8b1hpoFFIMstC1vE+Ax4+W104Qu+fZAehGpLF8AXLS6KgV4jKannYtds5ErteW031Ett5FB8NBwqhv4eY/MbNkV6cmQkwhr21Q6oesyHIgHdcTpR44d98mMYwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.184478976e+09

  • unknown2

    AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /js/lib/jquery-1-edb203c114.10.1.js

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36

  • watermark

    100000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Blocklisted process makes network request 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\perl530.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:2676

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2676-1-0x00000000002C0000-0x000000000030F000-memory.dmp
    Filesize

    316KB

    Download
  • memory/2676-0-0x00000000020E0000-0x00000000030E0000-memory.dmp
    Filesize

    16.0MB

    Download