Overview

overview

10

Static

static

05a6fca525...23.dll

windows7_x64

10

05a6fca525...23.dll

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05-03-2022 15:37

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General

  • Target

    05a6fca52556551b286603a139394bfb6526c8f5d87929f1ed68908b7a76a623.dll

  • Size

    212KB

  • MD5

    25a0c625ef34156e73a69a477e80a6e8

  • SHA1

    2bb975338e4ed4f24aaaa231b161bcb228a2bc3f

  • SHA256

    05a6fca52556551b286603a139394bfb6526c8f5d87929f1ed68908b7a76a623

  • SHA512

    b5822c9f05240cb41ef69ec0fe3ba38f12389b6507e256b39905749ecd951617904d94b9ea0006c6cfd52e7aec64e93fa85a5a16ff26c06791a0d37e2aad805e

Score
10/10
balaclavaransomware

Malware Config

Extracted

Path

C:\RECOVERY DATA INFORMATION.TXT

Family

balaclava

Ransom Note
Hello! If you see this message - this means your files are now encrypted and are in a non-working state! Now only we can help you recover. If you are ready to restore the work - send us an email to the address decrypthelp@aol.com In the letter, specify your personal identifier, which you will see below. In the reply letter we will inform you the cost of decrypting your files. Also from your servers files, documents, databases SQL, PDF were uploaded to our cloud storage After we agree, you will receive a decryption program, as well as all your files on our server will be deleted. Otherwise, they will fall into the open access of the Internet! Before payment you can send us 1-2 files for test decryption. We will decrypt the files you requested and send you back. This ensures that we own the key to recover your data. The total file size should be no more than 3 MB, the files should not contain valuable information (databases, backups, large Excel spreadsheets ...). Please be sure that we will find common languge. We will restore all the data. Email to contact us - decrypthelp@aol.com Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. Your personal ID: 131-C08-774
Emails

decrypthelp@aol.com

Signatures

  • Balaclava Malware

    Balaclava malware is a ransomware program.

    ransomwarebalaclava
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Discovers systems in the same network 1 TTPs 1 IoCs
    discovery
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\05a6fca52556551b286603a139394bfb6526c8f5d87929f1ed68908b7a76a623.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\05a6fca52556551b286603a139394bfb6526c8f5d87929f1ed68908b7a76a623.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C chcp 1250 && net view
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3504
        • C:\Windows\SysWOW64\chcp.com
          chcp 1250
          4⤵
            PID:1220
          • C:\Windows\SysWOW64\net.exe
            net view
            4⤵
            • Discovers systems in the same network
            PID:2948
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3444
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1564
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
          3⤵
            PID:3796
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
            3⤵
              PID:2876
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
              3⤵
                PID:3416
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                3⤵
                  PID:3784
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1584
                  • C:\Windows\SysWOW64\Wbem\WMIC.exe
                    wmic shadowcopy delete
                    4⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2272
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
                PID:3296

              Network

              MITRE ATT&CK Matrix ATT&CK v6

              Initial Access

              Execution

              Persistence

              Privilege Escalation

              Defense Evasion

              File Deletion

              1
              T1107

              Credential Access

              Discovery

              Query Registry

              1
              T1012

              Peripheral Device Discovery

              1
              T1120

              System Information Discovery

              1
              T1082

              Remote System Discovery

              1
              T1018

              Lateral Movement

              Collection

              Exfiltration

              Command and Control

              Impact

              Inhibit System Recovery

              1
              T1490

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                MD5

                78215698f8f9dc7941c9c287642bd02c

                SHA1

                633cd0a6c76f080cdb6e0c98034b0b5dd7283a47

                SHA256

                dc94e21e80522b2cee097064c31a7720d70a02d0c55f290d59030fd0c995cac5

                SHA512

                c0a05f8cc400855c40b8e8eb3e7f027b06553cc592eb2ab6ad0a8c33ed2d196c7eda358977edc3f34ce1fdbff30efe288725eb10ea463e622ee9eb8085e48f7d

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