Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    29-07-2020 07:17

General

  • Target

    6D12547772B57A6DA2B25D2188451983.bin.dll

  • Size

    111KB

  • MD5

    6d12547772b57a6da2b25d2188451983

  • SHA1

    53af601afa0b69c771255a61559365cb34f72b8b

  • SHA256

    52888b5f881f4941ae7a8f4d84de27fc502413861f96ee58ee560c09c11880d6

  • SHA512

    859e3e0d91c3f9fb157e438c7c6f091fe861e4bb1a2ad17f130a7f846fbde09959d63c605c6c1ac3697d4ad07ccd3ca457e103382867db7b41b40429e74c4d32

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\HowToDecrypt.txt

Ransom Note
All data on your pc were encrypted with strongest encryption method. The only way to get your data back is to purchase unique key for you. * You can get cheaper price if you contact us as soon as possible. * After three days from now, it will be difficult to recover your data. Good Luck. contact following address: [email protected] [email protected]

Signatures

  • Drops desktop.ini file(s) 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of WriteProcessMemory 63 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Stops running service(s) 3 TTPs
  • Drops file in Program Files directory 18638 IoCs
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6D12547772B57A6DA2B25D2188451983.bin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3684
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6D12547772B57A6DA2B25D2188451983.bin.dll,#1
      2⤵
      • Drops desktop.ini file(s)
      • Suspicious use of WriteProcessMemory
      • Drops file in Program Files directory
      • Modifies extensions of user files
      PID:3848
      • C:\Windows\SysWOW64\sc.exe
        sc stop "Microsoft Exchange Active Directory Toplogy"
        3⤵
          PID:3064
        • C:\Windows\SysWOW64\sc.exe
          sc stop "Microsoft Exchange Anti-spam Update"
          3⤵
            PID:8
          • C:\Windows\SysWOW64\sc.exe
            sc stop "Microsoft Exchange Compliance Audit"
            3⤵
              PID:3236
            • C:\Windows\SysWOW64\sc.exe
              sc stop "Microsoft Exchange Compliance Service"
              3⤵
                PID:3384
              • C:\Windows\SysWOW64\sc.exe
                sc stop "Microsoft Exchange DAG Management"
                3⤵
                  PID:3240
                • C:\Windows\SysWOW64\sc.exe
                  sc stop "Microsoft Exchange Diagnostics"
                  3⤵
                    PID:3792
                  • C:\Windows\SysWOW64\sc.exe
                    sc stop "Microsoft Exchange EdgeSync"
                    3⤵
                      PID:1984
                    • C:\Windows\SysWOW64\sc.exe
                      sc stop "Microsoft Exchange Frontend Transport"
                      3⤵
                        PID:2596
                      • C:\Windows\SysWOW64\sc.exe
                        sc stop "Microsoft Exchange Health Manager"
                        3⤵
                          PID:1868
                        • C:\Windows\SysWOW64\sc.exe
                          sc stop "Microsoft Exchange Health Manager Recovery"
                          3⤵
                            PID:776
                          • C:\Windows\SysWOW64\sc.exe
                            sc stop "Microsoft Exchange IMAP4"
                            3⤵
                              PID:2324
                            • C:\Windows\SysWOW64\sc.exe
                              sc stop "Microsoft Exchange IMAP4 Backend"
                              3⤵
                                PID:2064
                              • C:\Windows\SysWOW64\sc.exe
                                sc stop "Microsoft Exchange Information Store"
                                3⤵
                                  PID:3760
                                • C:\Windows\SysWOW64\sc.exe
                                  sc stop "Microsoft Exchange Mailbox Assistants"
                                  3⤵
                                    PID:3912
                                  • C:\Windows\SysWOW64\sc.exe
                                    sc stop "Microsoft Exchange Mailbox Replication"
                                    3⤵
                                      PID:3608
                                    • C:\Windows\SysWOW64\sc.exe
                                      sc stop "Microsoft Exchange Mailbox Transport Delivery"
                                      3⤵
                                        PID:2880
                                      • C:\Windows\SysWOW64\sc.exe
                                        sc stop "Microsoft Exchange POP3"
                                        3⤵
                                          PID:3276
                                        • C:\Windows\SysWOW64\sc.exe
                                          sc stop "Microsoft Exchange POP3 Backend"
                                          3⤵
                                            PID:3864
                                          • C:\Windows\SysWOW64\sc.exe
                                            sc stop "SQL Server Agent (TESTINSTANCE)"
                                            3⤵
                                              PID:3368
                                            • C:\Windows\SysWOW64\sc.exe
                                              sc stop "SQL Server (TESTINSTANCE)"
                                              3⤵
                                                PID:1812

                                          Network

                                          MITRE ATT&CK Enterprise v6

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