Resubmissions

09-03-2023 20:01

230309-yrrgwsbf7v 10

22-12-2020 13:17

201222-wsc3nmern2 10

Analysis

  • max time kernel
    148s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-12-2020 13:17

General

  • Target

    f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe

  • Size

    117KB

  • MD5

    f64ecdec4c84ac7ef0ca6c2ef4d94eea

  • SHA1

    7c88af3c8a27402da1d67cfaa1a02555f1c7945d

  • SHA256

    fc257f64a0279bb5ae221b968d3f38bbb7237a8475c165c5a8430fe6633e3fe6

  • SHA512

    87b8a1c6098a67a6a7f61e154deba8c16a5b421e5157183b40f808c23187ec46e046d7f4ac006d375fcf66000da7da588c9105f9acba5471604255d15c1ac8f7

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\readme-warning.txt

Family

makop

Ransom Note
::: Greetings ::: Little FAQ: .1. Q: Whats Happen? A: Your files have been encrypted and now have the "makop" extension. The file structure was not damaged, we did everything possible so that this could not happen. .2. Q: How to recover files? A: If you wish to decrypt your files you will need to pay in bitcoins. .3. Q: What about guarantees? A: Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests. To check the ability of returning files, you can send to us any 2 files with SIMPLE extensions(jpg,xls,doc, etc... not databases!) and low sizes(max 1 mb), we will decrypt them and send back to you. That is our guarantee. .4. Q: How to contact with you? A: You can write us to our mailbox: akzhq1010@tutanota.com or akzhq1010@cock.li .5. Q: How will the decryption process proceed after payment? A: After payment we will send to you our scanner-decoder program and detailed instructions for use. With this program you will be able to decrypt all your encrypted files. .6. Q: If I don�t want to pay bad people like you? A: If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause only we have the private key. In practice - time is much more valuable than money. :::BEWARE::: DON'T try to change encrypted files by yourself! If you will try to use any third party software for restoring your data or antivirus solutions - please make a backup for all encrypted files! Any changes in encrypted files may entail damage of the private key and, as result, the loss all data.
Emails

akzhq1010@tutanota.com

akzhq1010@cock.li

Signatures

  • Makop

    Ransomware family discovered by @VK_Intel in early 2020.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
    "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
      "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
        "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:420
        • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
          "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
          4⤵
            PID:4596
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:500
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:476
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:1592
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1536
        • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
          "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
          3⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
            "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
            4⤵
              PID:1468
          • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
            "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
            3⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1492
            • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
              "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
              4⤵
                PID:4664
            • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
              "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
              3⤵
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:3960
              • C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe
                "C:\Users\Admin\AppData\Local\Temp\f64ecdec4c84ac7ef0ca6c2ef4d94eea.exe" n4204
                4⤵
                  PID:3688
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s seclogon
            1⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4432
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1108
          • C:\Windows\system32\wbengine.exe
            "C:\Windows\system32\wbengine.exe"
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1764
          • C:\Windows\System32\vdsldr.exe
            C:\Windows\System32\vdsldr.exe -Embedding
            1⤵
              PID:4088
            • C:\Windows\System32\vds.exe
              C:\Windows\System32\vds.exe
              1⤵
              • Checks SCSI registry key(s)
              PID:3348

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Execution

            Command-Line Interface

            1
            T1059

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Defense Evasion

            File Deletion

            3
            T1107

            Modify Registry

            2
            T1112

            Install Root Certificate

            1
            T1130

            Credential Access

            Credentials in Files

            1
            T1081

            Discovery

            System Information Discovery

            2
            T1082

            Query Registry

            1
            T1012

            Peripheral Device Discovery

            1
            T1120

            Collection

            Data from Local System

            1
            T1005

            Command and Control

            Web Service

            1
            T1102

            Impact

            Inhibit System Recovery

            3
            T1490

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Roaming\972313772
              MD5

              18668c3a11b0458f86330e6063869484

              SHA1

              701d1f5075dc9b124811c972a6e5d566988394be

              SHA256

              a00de16ae3484951fb5cf4ee7f1893f950b9c91e559edd70d0f627235d4d8a12

              SHA512

              d5ae285abc59758ec0bbb080aa796f32b0ffe59ee948355b54f45ecb5dc96080bc40e0cdd0095cad05903b53d6ec56dd4ac089ddc14f942632421c3363dcb92c

            • C:\Users\Admin\AppData\Roaming\972313772
              MD5

              859c951aba3deba255695fef58e864be

              SHA1

              829757627333e8ed44c5dc063d0ab697fda70632

              SHA256

              9b93bd4db7e38a69b6aa8252a02754aefc89522f5cef8aafbb3f2e4c3678e58a

              SHA512

              4ffc3866e94d60ed393950830aeaeae69cae8513713c7e6622744ac2587cbd9d786f24444eedc1f64cc227fd8fbb7e9b120a7c7fdd812f957c50110043d01a4a

            • C:\Users\Admin\AppData\Roaming\972313772
              MD5

              6ee25b8b5f2e8d2f4ea697f02ae176d3

              SHA1

              f5db8cb42ba4203f872e344188f8980eadc97c2a

              SHA256

              3c51caf3a649f29be328c7874deaf968c7c12526d13348ee34d0d407c9dee882

              SHA512

              b61d0dc176bb7041904958ad6a02297b57a3f675c4debd0753e4630be17c389cdf9793c3383db349b60e8b7cea88ac162a636e83ef2f60a9d2415697af25418e

            • C:\Users\Admin\AppData\Roaming\972313772
              MD5

              18668c3a11b0458f86330e6063869484

              SHA1

              701d1f5075dc9b124811c972a6e5d566988394be

              SHA256

              a00de16ae3484951fb5cf4ee7f1893f950b9c91e559edd70d0f627235d4d8a12

              SHA512

              d5ae285abc59758ec0bbb080aa796f32b0ffe59ee948355b54f45ecb5dc96080bc40e0cdd0095cad05903b53d6ec56dd4ac089ddc14f942632421c3363dcb92c

            • C:\Users\Admin\AppData\Roaming\972313772
              MD5

              d65d072d34adb62471cf32a9e8bb66d9

              SHA1

              37e774cceabd8b3e49deb44b3489ea2a535a61ce

              SHA256

              be4809dd4e26037fc1a74fd14eb928cdca9e95750308d62bdb58cb9b454dd441

              SHA512

              644c17eda898b9b3ea5d5f7dde772168592fdf4e35e0b7d11c0191bb6c06f0e3f74bb3d86747fe91025e36b15fc9534c39252cd15dd133a648a250e21330ca85

            • C:\Users\Admin\AppData\Roaming\972313772
              MD5

              18668c3a11b0458f86330e6063869484

              SHA1

              701d1f5075dc9b124811c972a6e5d566988394be

              SHA256

              a00de16ae3484951fb5cf4ee7f1893f950b9c91e559edd70d0f627235d4d8a12

              SHA512

              d5ae285abc59758ec0bbb080aa796f32b0ffe59ee948355b54f45ecb5dc96080bc40e0cdd0095cad05903b53d6ec56dd4ac089ddc14f942632421c3363dcb92c

            • C:\Users\Admin\AppData\Roaming\972313772
              MD5

              87fc34416e58c91a9060c75565d5d675

              SHA1

              549c02ba5c3a623f0238099e4e7971f016ea655c

              SHA256

              884be2517b7af0389be77d76817d74fed288df4f96d3fb8e147fd10df24dc8ce

              SHA512

              5845845450eea15f5ea6612aff19cb5d403f2da1ff19f4d04164bb24f5b6938d71e72097db8c9ee801fd310518311c3a2ec2108466ce61e2043c6490f479ceb0

            • \Users\Admin\AppData\Local\Temp\nsj72BC.tmp\System.dll
              MD5

              fccff8cb7a1067e23fd2e2b63971a8e1

              SHA1

              30e2a9e137c1223a78a0f7b0bf96a1c361976d91

              SHA256

              6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

              SHA512

              f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

            • \Users\Admin\AppData\Local\Temp\nsq7939.tmp\System.dll
              MD5

              fccff8cb7a1067e23fd2e2b63971a8e1

              SHA1

              30e2a9e137c1223a78a0f7b0bf96a1c361976d91

              SHA256

              6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

              SHA512

              f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

            • \Users\Admin\AppData\Local\Temp\nsuF629.tmp\System.dll
              MD5

              fccff8cb7a1067e23fd2e2b63971a8e1

              SHA1

              30e2a9e137c1223a78a0f7b0bf96a1c361976d91

              SHA256

              6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

              SHA512

              f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

            • \Users\Admin\AppData\Local\Temp\nsv555A.tmp\System.dll
              MD5

              fccff8cb7a1067e23fd2e2b63971a8e1

              SHA1

              30e2a9e137c1223a78a0f7b0bf96a1c361976d91

              SHA256

              6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

              SHA512

              f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

            • \Users\Admin\AppData\Local\Temp\nsz774A.tmp\System.dll
              MD5

              fccff8cb7a1067e23fd2e2b63971a8e1

              SHA1

              30e2a9e137c1223a78a0f7b0bf96a1c361976d91

              SHA256

              6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

              SHA512

              f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

            • memory/420-7-0x0000000000000000-mapping.dmp
            • memory/476-9-0x0000000000000000-mapping.dmp
            • memory/500-8-0x0000000000000000-mapping.dmp
            • memory/1468-24-0x00000000004059A0-mapping.dmp
            • memory/1492-27-0x0000000000000000-mapping.dmp
            • memory/1536-13-0x0000000000000000-mapping.dmp
            • memory/1592-10-0x0000000000000000-mapping.dmp
            • memory/2716-20-0x0000000000000000-mapping.dmp
            • memory/3688-40-0x00000000004059A0-mapping.dmp
            • memory/3960-35-0x0000000000000000-mapping.dmp
            • memory/4204-5-0x0000000000400000-0x000000000041F000-memory.dmp
              Filesize

              124KB

            • memory/4204-4-0x00000000004059A0-mapping.dmp
            • memory/4204-3-0x0000000000400000-0x000000000041F000-memory.dmp
              Filesize

              124KB

            • memory/4596-15-0x00000000004059A0-mapping.dmp
            • memory/4664-32-0x00000000004059A0-mapping.dmp