Analysis

  • max time kernel
    123s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 15:09

General

  • Target

    4b3fe40f53343c85fc58f63ffb5afff75deb4ac0a31603a6bbbefcc671609973.dll

  • Size

    423KB

  • MD5

    dd6f0ff62c5177b557b9bba2479fe324

  • SHA1

    561e25fb404fc3234cdfd5c01bd9d4958854f40e

  • SHA256

    4b3fe40f53343c85fc58f63ffb5afff75deb4ac0a31603a6bbbefcc671609973

  • SHA512

    f5fd1895bb86489baf3f05a65a5caabe2b539fbcb25d72dbf09311089dd06b219d8c06aefd0aa149d26660432ff64f97bb8675f68d1ffe7712f53ff4784ddf98

  • SSDEEP

    6144:1FCTh+L4i3MCnHthwsLpu/w1PWfpk3uLgaBmqK7nBCCB4wtQn9Zr+SY:PCThwMGHvc8PWfpk3oxBmqKTP4H9tO

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://103.106.0.20:57540/load

Attributes
  • access_type

    512

  • host

    103.106.0.20,/load

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    57540

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCUFM0UIvEaZ3uhOD5WAFcm4r7sgQiiPLnU6VC6TFGcS9Rk4VMuuusuzAT/FanQibWrBW7Aa0L77+21SqsG4Kzldbp5LPpD6XsklCEkpLBg+gXuXf+3nmIaAu2oCBhw03zF/9nT25tyS/s3cU91/xWdE6qB6rX4nGdPWyKZE9yexQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; BOIE9;ENUS)

  • watermark

    100000

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Blocklisted process makes network request 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b3fe40f53343c85fc58f63ffb5afff75deb4ac0a31603a6bbbefcc671609973.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:1044

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1044-1-0x00000000001B0000-0x00000000001F1000-memory.dmp

    Filesize

    260KB

  • memory/1044-0-0x000007FEBCBF0000-0x000007FEBCC00000-memory.dmp

    Filesize

    64KB

  • memory/1044-4-0x000007FEFCC00000-0x000007FEFCC6C000-memory.dmp

    Filesize

    432KB

  • memory/1044-3-0x000007FEFCC00000-0x000007FEFCC6C000-memory.dmp

    Filesize

    432KB

  • memory/1044-2-0x000007FEFCC01000-0x000007FEFCC02000-memory.dmp

    Filesize

    4KB

  • memory/1044-5-0x0000000000330000-0x000000000037F000-memory.dmp

    Filesize

    316KB

  • memory/1044-6-0x0000000000330000-0x000000000037F000-memory.dmp

    Filesize

    316KB