General

  • Target

    2023-08-26_b99ea5d7e562bcaee033389516829f0f_cobalt-strike_cobaltstrike_JC.exe

  • Size

    553KB

  • MD5

    b99ea5d7e562bcaee033389516829f0f

  • SHA1

    51de58a40ac80121ae596d3cca8a302d457c81c0

  • SHA256

    ea443cce5aad3f3c21436965d09050e1c56c2e25f86474b7339c86c5330456c6

  • SHA512

    506a4e580b4bc2064f6a563bb399ee316629452f31ed29c60fa031b94c20f68a3b10d69f134672df8e92e0938e94067222a8dbefc2b1fbcb665a6c3425490a0c

  • SSDEEP

    6144:f6kFWCrd/UIzqwYiUz0d/oh2fYD4ktiD8UI8I6hG+6AshnifujPOr9aV4:f6sWCreyUzmooA9tiDZ7Zxl0ifujmZ

Score
10/10

Malware Config

Extracted

Family

cobaltstrike

Botnet

391144938

C2

http://124.222.57.223:8081/static/js/jquery3.2.1.js

Attributes
  • access_type

    512

  • host

    124.222.57.223,/static/js/jquery3.2.1.js

  • http_header1

    AAAABwAAAAAAAAANAAAAAgAAAA1QSFBTRVNTSU9OSUQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAABwAAAAAAAAADAAAADwAAAAsAAAACAAAABXVzZXI9AAAAAQAAAAIlJQAAAAYAAAAGQ29va2llAAAABwAAAAEAAAADAAAADwAAAA0AAAACAAAABWRhdGE9AAAAAQAAAAIlJQAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    1792

  • polling_time

    3000

  • port_number

    8081

  • sc_process32

    c:\windows\syswow64\rundll32.exe

  • sc_process64

    c:\windows\system32\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNJxrT8HE+0KsqgYU89hfVf2khbl1/vXzEXimwRjYaInkqEepZiTEdGPnKFIJW1r1Y3R+WlUvHr2hhr0+LUI9wf9dr7W3M9is7O6yZRC/EYnrgF/bdpbUzNHVr3u8UMKnyEWcyFS2w2Q6Q6ehMthmXmOIdvFGnapNPIayDcye2HwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    2.181046272e+09

  • unknown2

    AAAABAAAAAEAAAAXAAAAAgAAAGMAAAAIAAAADwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /static/js/submit.js

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/180.571.0.99 Safari/537.36

  • watermark

    391144938

Signatures

  • Cobaltstrike family
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

Files

  • 2023-08-26_b99ea5d7e562bcaee033389516829f0f_cobalt-strike_cobaltstrike_JC.exe
    .exe windows:6 windows x64

    e56f3e5ea73078bd0b3434c993b4ddce


    Headers

    Imports

    Sections