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Analysis

  • max time kernel
    127s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    09/11/2021, 07:25

General

  • Target

    tfhga.dll

  • Size

    38KB

  • MD5

    92fda071dde71386a8797f85f7985b1f

  • SHA1

    5f0cf9294f1cd0959bfd805a6286dce97c9390ea

  • SHA256

    ebbeda3b2a8e85665879757b0fa2536965b0c63440a8c7a4bb1e774278c45e56

  • SHA512

    ae6b9a0fe744a6358bdc64bcb768f079b778388c1046a4c2ea1c33ff8b271586ec4dba3c57c9f78ab6c0e52a8d9ac7c83c0b44e421a76fa202031223a1304a26

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://2a943270aac8ba102gqzhlie.7hibj3fp6jlp52q2m4lv6thx2lr34itaayiydby2axofaql54dung3ad.onion/gqzhlie Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://2a943270aac8ba102gqzhlie.dearbet.sbs/gqzhlie http://2a943270aac8ba102gqzhlie.oddson.quest/gqzhlie http://2a943270aac8ba102gqzhlie.legcore.space/gqzhlie http://2a943270aac8ba102gqzhlie.hateme.uno/gqzhlie Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://2a943270aac8ba102gqzhlie.7hibj3fp6jlp52q2m4lv6thx2lr34itaayiydby2axofaql54dung3ad.onion/gqzhlie

http://2a943270aac8ba102gqzhlie.dearbet.sbs/gqzhlie

http://2a943270aac8ba102gqzhlie.oddson.quest/gqzhlie

http://2a943270aac8ba102gqzhlie.legcore.space/gqzhlie

http://2a943270aac8ba102gqzhlie.hateme.uno/gqzhlie

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 8 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 5 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies extensions of user files
    • 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:1384
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tfhga.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:740
      • C:\Windows\system32\wbem\wmic.exe
        C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
        3⤵
          PID:1932
        • C:\Windows\system32\cmd.exe
          cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
          3⤵
            PID:1112
            • C:\Windows\system32\wbem\WMIC.exe
              C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
              4⤵
                PID:1476
          • C:\Windows\notepad.exe
            notepad.exe C:\Users\Public\readme.txt
            2⤵
            • Opens file in notepad (likely ransom note)
            PID:1100
          • C:\Windows\system32\cmd.exe
            cmd /c "start http://2a943270aac8ba102gqzhlie.dearbet.sbs/gqzhlie^&1^&35470377^&86^&373^&12"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1056
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" http://2a943270aac8ba102gqzhlie.dearbet.sbs/gqzhlie&1&35470377&86&373&12
              3⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2012
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:275457 /prefetch:2
                4⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1448
          • 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:1528
          • 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:1852
            • C:\Windows\system32\wbem\WMIC.exe
              C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:996
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1336
          • C:\Windows\system32\wbem\wmic.exe
            C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
            2⤵
              PID:1776
            • 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:1728
              • C:\Windows\system32\wbem\WMIC.exe
                C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
                3⤵
                  PID:1900
            • C:\Windows\system32\taskhost.exe
              "taskhost.exe"
              1⤵
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1224
              • C:\Windows\system32\wbem\wmic.exe
                C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
                2⤵
                  PID:1584
                • 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:1852
                  • C:\Windows\system32\wbem\WMIC.exe
                    C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
                    3⤵
                      PID:1736
                • C:\Windows\system32\cmd.exe
                  cmd /c CompMgmtLauncher.exe
                  1⤵
                  • Process spawned unexpected child process
                  • Suspicious use of WriteProcessMemory
                  PID:1344
                  • C:\Windows\system32\CompMgmtLauncher.exe
                    CompMgmtLauncher.exe
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1552
                    • C:\Windows\system32\wbem\wmic.exe
                      "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                      3⤵
                        PID:672
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin.exe Delete Shadows /all /quiet
                    1⤵
                    • Process spawned unexpected child process
                    • Interacts with shadow copies
                    PID:1988
                  • C:\Windows\system32\vssvc.exe
                    C:\Windows\system32\vssvc.exe
                    1⤵
                      PID:824
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin.exe Delete Shadows /all /quiet
                      1⤵
                      • Process spawned unexpected child process
                      • Interacts with shadow copies
                      PID:1992
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin.exe Delete Shadows /all /quiet
                      1⤵
                      • Process spawned unexpected child process
                      • Interacts with shadow copies
                      PID:956
                    • C:\Windows\system32\cmd.exe
                      cmd /c CompMgmtLauncher.exe
                      1⤵
                      • Process spawned unexpected child process
                      • Suspicious use of WriteProcessMemory
                      PID:1472
                      • C:\Windows\system32\CompMgmtLauncher.exe
                        CompMgmtLauncher.exe
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:964
                        • C:\Windows\system32\wbem\wmic.exe
                          "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                          3⤵
                            PID:1548
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:2000
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:232
                      • C:\Windows\system32\cmd.exe
                        cmd /c CompMgmtLauncher.exe
                        1⤵
                        • Process spawned unexpected child process
                        • Suspicious use of WriteProcessMemory
                        PID:1928
                        • 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:996
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin.exe Delete Shadows /all /quiet
                          1⤵
                          • Process spawned unexpected child process
                          • Interacts with shadow copies
                          PID:1776
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin.exe Delete Shadows /all /quiet
                          1⤵
                          • Process spawned unexpected child process
                          • Interacts with shadow copies
                          PID:996
                        • C:\Windows\system32\cmd.exe
                          cmd /c CompMgmtLauncher.exe
                          1⤵
                          • Process spawned unexpected child process
                          PID:1552
                          • C:\Windows\system32\CompMgmtLauncher.exe
                            CompMgmtLauncher.exe
                            2⤵
                              PID:1604
                              • C:\Windows\system32\wbem\wmic.exe
                                "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                                3⤵
                                  PID:828
                            • C:\Windows\system32\vssadmin.exe
                              vssadmin.exe Delete Shadows /all /quiet
                              1⤵
                              • Process spawned unexpected child process
                              • Interacts with shadow copies
                              PID:968

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            • memory/740-65-0x0000000000240000-0x0000000000241000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-66-0x0000000000250000-0x0000000000251000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-61-0x0000000000150000-0x0000000000151000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-62-0x0000000000160000-0x0000000000161000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-63-0x00000000001A0000-0x00000000001A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-64-0x00000000001B0000-0x00000000001B1000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-55-0x0000000001D50000-0x0000000002469000-memory.dmp

                              Filesize

                              7.1MB

                            • memory/740-60-0x0000000000140000-0x0000000000141000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-58-0x0000000000120000-0x0000000000121000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-68-0x00000000043A0000-0x00000000043A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-102-0x00000000043C0000-0x00000000043C1000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-56-0x0000000000100000-0x0000000000101000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-59-0x0000000000130000-0x0000000000131000-memory.dmp

                              Filesize

                              4KB

                            • memory/740-57-0x0000000000110000-0x0000000000111000-memory.dmp

                              Filesize

                              4KB

                            • memory/1100-70-0x000007FEFBC51000-0x000007FEFBC53000-memory.dmp

                              Filesize

                              8KB

                            • memory/1224-67-0x0000000001BC0000-0x0000000001BC5000-memory.dmp

                              Filesize

                              20KB