Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 21:38

General

  • Target

    2/JudianService.dll

  • Size

    283KB

  • MD5

    943cb4b5ffb69926803d7f9c3dd1bc7c

  • SHA1

    2459b3ee3761e20439494ab11a7bd5aa96f3913c

  • SHA256

    8ccd9591e9438a313a21958c7f8edce4b238bbb147e8284ec4a2b7b488b920ca

  • SHA512

    c983494abcee03d98c6daa6e26b6a4afc639d1ffeaafc8ca2a0f0dd27bdcae21926fa4896dcf21fe92d829d959a8c36a6457024acf5c4526a1f5fc412ece3096

  • SSDEEP

    6144:UZC4MTZhJZa5u+/c/xDbUkQFXzF7goI1WtkBTkoLOhSo:UUj7Za5a+RF7aTNLOh3

Malware Config

Extracted

Family

metasploit

Version

encoder/shikata_ga_nai

Extracted

Family

cobaltstrike

Botnet

0

C2

http://chart.expocasheuro.com:443/fromdefault

http://94.237.81.57:443/fromdefault

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    chart.expocasheuro.com,/fromdefault,94.237.81.57,/fromdefault

  • http_header1

    AAAACgAAABBIb3N0OiB3d3cucXEuY29tAAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAAfQWNjZXB0LUxhbmd1YWdlOiBlbi1VUyxlbjtxPTAuNQAAAAoAAAAZQWNjZXB0LUVuY29kaW5nOiBnemlwLCBicgAAAAcAAAAAAAAADwAAAAMAAAACAAAACmNtX2Nvb2tpZT0AAAAGAAAABkNvb2tpZQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAABBIb3N0OiB3d3cucXEuY29tAAAACgAAAClBY2NlcHQ6IGFwcGxpY2F0aW9uL2pzb24sIHRleHQvcGxhaW4sICovKgAAAAoAAAAVQWNjZXB0LUVuY29kaW5nOiBnemlwAAAABwAAAAAAAAAPAAAAAwAAAAIAAAAKY21fY29va2llPQAAAAYAAAAGQ29va2llAAAABwAAAAEAAAAPAAAAAwAAAAIAAAAQeyJwYWdlIjoyLCJ1aW4iOgAAAAEAAAAOLCJwYWdlU2l6ZSI6M30AAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    6656

  • maxdns

    244

  • polling_time

    7300

  • port_number

    443

  • sc_process32

    %windir%\syswow64\taskeng.exe

  • sc_process64

    %windir%\sysnative\taskeng.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgKUlf3RLWKgNJ9S8y26ebK2mGsFDDooTj9uq8fjMrU1OIjQ74FBmAQLpksIts/EPd5KL9KW5KpmrHRqoFWsWWylAQBegxuqj4h2Tyw5fi9fAWRBXMhY9lmo9tjYSbFuLMCFCu4kdLRishHaVfQ0uw6TGHr9q2slEMrom+ypPcvwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.001138688e+09

  • unknown2

    AAAABAAAAAEAAACOAAAAAgAAAPUAAAADAAAACAAAAA8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /app

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:50.0) Gecko/20100101 Firefox/50.0

  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Blocklisted process makes network request 9 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2\JudianService.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2\JudianService.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2508-0-0x00000000006C0000-0x00000000006F7000-memory.dmp

    Filesize

    220KB

  • memory/2508-1-0x0000000000E80000-0x0000000000E8E000-memory.dmp

    Filesize

    56KB

  • memory/2508-2-0x00000000006C0000-0x00000000006F7000-memory.dmp

    Filesize

    220KB

  • memory/2508-3-0x00000000000D0000-0x00000000000D1000-memory.dmp

    Filesize

    4KB

  • memory/2508-5-0x0000000000750000-0x0000000000795000-memory.dmp

    Filesize

    276KB

  • memory/2508-8-0x00000000006C0000-0x00000000006F7000-memory.dmp

    Filesize

    220KB

  • memory/2508-9-0x0000000000750000-0x0000000000795000-memory.dmp

    Filesize

    276KB