Resubmissions

04/10/2026, 22:55

261004-2wkfxsyfpf10

04/10/2026, 22:41

261004-2mejbaszax10

03/10/2026, 15:10

261003-sj2p1aszey10

27/09/2026, 08:25

260927-ka9egsts4j10

27/09/2026, 08:18

260927-j7p7fas16n10

26/09/2026, 10:25

260926-mf8fgsdd8610

26/09/2026, 10:13

260926-l851ds1djg10

24/09/2026, 12:57

260924-p6wkqathrd10

24/09/2026, 12:18

260924-pgt1la1v6n10

23/09/2026, 23:53

260923-3xdv7sgf8610

General

  • Target
    4363463463464363463463463.exe.bin
  • Size 10KB
  • Sample260923-3xdv7sgf86
  • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • cobaltstrike

Botnet
  • 100000000

C2
  • http://51.77.77.161:443/sitemap.xml

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    51.77.77.161

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • polling_time

    45000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnrqnRgLeqPpa2wJGQmftPgeWvFyCCFjULPdTAZQEcqNKgdO0HMT0bB67vQA1xgd1gikHOjzLkBeM3aPIwnDvMP5lH8Zxk+5t6qt4OYGlVoU9vBDwTcXRIMVXHuvvABcaH71IjHfEp3Veqqhs0pcTLabHGtzcBqmzfhmfpqFDgWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.24408576e+08

  • unknown2

    AAAABAAAAAEAAABVAAAAAgAAAGMAAAANAAAADwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /robots.txt

  • user_agent

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

  • watermark

    100000000

Extracted

Family
  • ratonrat

Version
  • Professional

C2
  • 16.170.169.119:8080

Mutex
  • GPMEaht28D0drQKjxak6e0p

Attributes
  • assist

    false

  • box

    false

  • box_icon

    Error

  • box_msg

    I'm the message box description

  • box_title

    Hello World

  • defender

    false

  • delay

    0

  • hide_file

    false

  • open_website

    false

  • process_critical

    false

  • raw

    silly21

  • reconnect

    3

  • startup

    true

  • tag

    Infected

  • uac

    false

  • vm

    false

  • website

    https://t.me/example

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • DDNS

C2
  • 193.161.193.99:32471

Mutex
  • 807f3187-d087-4fff-beff-e73293a32af8

Attributes
  • encryption_key

    81A0C14D4C705B3C678E573C849DE7F6A3671A8B

  • install_name

    jusched.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    CachedLogs

  • reconnect_delay

    3000

  • startup_key

    Java Update Scheduler

  • subdirectory

    Java

Targets

    • Target
      4363463463464363463463463.exe.bin
    • Size 10KB
    • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects RatonRAT payload

    • Family: Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Family: RatonRAT

      RatonRAT is an information stealer written in C#.

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

    • Modifies Windows Firewall

    • Signed with revoked ConnectWise certificate

      Binary is signed using a ConnectWise certificate revoked for key compromise.

    • Creates new service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Stops running service(s)

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks