Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 23:45

General

  • Target

    2024-07-09_daaa8c6d8b91f552bc30f6a0f1e88334_bkransomware.exe

  • Size

    2.4MB

  • MD5

    daaa8c6d8b91f552bc30f6a0f1e88334

  • SHA1

    cd213bbf8310492f1fb1bd840394b82a77cca398

  • SHA256

    96c11c69b06e7eeabb364d69a882bc5db048ee2747a05093238f27aefb1fcc1b

  • SHA512

    715f544ac6f5b900ce256fd82f695e9217cc70656950e3d834fa812ad01aeebe8a7345a0cabd7d2cded7e14694ed50b590eda83a09df340975b369f0bf783cb0

  • SSDEEP

    49152:agq8vNCYHcOcXDJxTKaKj7unKRjVW1tEXVY:agq2C6mXt1K7j7BA1tEF

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://77.91.77.92/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes
  • mutex

    55a4er5wo

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex payload 1 IoCs
  • Phorphiex, Phorpiex

    Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Windows security bypass 2 TTPs 6 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-09_daaa8c6d8b91f552bc30f6a0f1e88334_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-09_daaa8c6d8b91f552bc30f6a0f1e88334_bkransomware.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\8C32.exe
      "C:\Users\Admin\AppData\Local\Temp\8C32.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Users\Admin\AppData\Local\Temp\2355024307.exe
        C:\Users\Admin\AppData\Local\Temp\2355024307.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Windows\sysmablsvr.exe
          C:\Windows\sysmablsvr.exe
          4⤵
          • Modifies security service
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:4880
          • C:\Users\Admin\AppData\Local\Temp\2087927000.exe
            C:\Users\Admin\AppData\Local\Temp\2087927000.exe
            5⤵
            • Executes dropped EXE
            PID:3228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2087927000.exe

    Filesize

    7KB

    MD5

    dd4a0ff33915c8c60a771851bad19e0b

    SHA1

    1f9e76ce72c790eecf87068607234d57e5a4d095

    SHA256

    c4b4f771907c36c65fe352d920923cd63d99eaff8d2fa44f80e26ddaba61f341

    SHA512

    1ed0daf3cfd84dfb3b616d367509ab70756596cc7cbe42dcd0fccc1eaf7081c3c5965739e7c72bba4f9ce94b3630c480534b6bc41e401d2a727d536d3e0e0e05

  • C:\Users\Admin\AppData\Local\Temp\2355024307.exe

    Filesize

    88KB

    MD5

    4505daf4c08fc8e8e1380911e98588aa

    SHA1

    d990eb1b2ccbb71c878944be37923b1ebd17bc72

    SHA256

    a2139600c569365149894405d411ea1401bafc8c7e8af1983d046cf087269c40

    SHA512

    bb57d11150086c3c61f9a8fdd2511e3e780a24362183a6b833f44484238451f23b74b244262009f38a8baa7254d07dfdd9d4209efcf426dfd4e651c47f2f8cec

  • C:\Users\Admin\AppData\Local\Temp\8C32.exe

    Filesize

    9KB

    MD5

    8d8e6c7952a9dc7c0c73911c4dbc5518

    SHA1

    9098da03b33b2c822065b49d5220359c275d5e94

    SHA256

    feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

    SHA512

    91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645