Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 14:56

General

  • Target

    Kuraue/873782499615a3825a38623440408cc78ac6ab38d8e05379aa921b9185df4075.exe

  • Size

    1.9MB

  • MD5

    056ccd0b9d7ef99759dc9aa9954ab038

  • SHA1

    b4b629190a8f97ad06eb14b7448e7eb4770f1b51

  • SHA256

    873782499615a3825a38623440408cc78ac6ab38d8e05379aa921b9185df4075

  • SHA512

    566cf007ffa296a73b6529dd1768a8a92d01716a6b61a9c14b2834f420f56dca7554f7979aaf045e65956e2ee3020501b7edb4355ed7a78d26d097b3b8d57390

  • SSDEEP

    49152:R0y8xS0Lrb/TGvO90d7HjmAFd4A64nsfJm0B02uPc87TTp90SgM4:8TKt

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://101.42.2.218:443/jquery-3.3.1.min.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    101.42.2.218,/jquery-3.3.1.min.js

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    12800

  • polling_time

    1000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\WerFault.exe

  • sc_process64

    %windir%\sysnative\WerFault.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4i4awlFJiy8RuC7n1kqpTlzo5TyjHX3j+f4Jtigr1USOy5D+WYVx991hPcUGQsMPDKAwB8OkIGyKN03IMOjKe4XCS6B7Zwl4ntQSrsd6c2R+54SXfAXfCOuvKSq2RNPFdM+XNtriypZMQRfM3LmHSMzbiEN3c2wEFUANBk+E/FwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.234810624e+09

  • unknown2

    AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /jquery-3.3.2.min.js

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

  • watermark

    100000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Cobaltstrike family
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kuraue\873782499615a3825a38623440408cc78ac6ab38d8e05379aa921b9185df4075.exe
    "C:\Users\Admin\AppData\Local\Temp\Kuraue\873782499615a3825a38623440408cc78ac6ab38d8e05379aa921b9185df4075.exe"
    1⤵
      PID:3020

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3020-0-0x0000000000780000-0x00000000007C1000-memory.dmp

      Filesize

      260KB

    • memory/3020-1-0x00000000288E0000-0x0000000028D52000-memory.dmp

      Filesize

      4.4MB