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Resubmissions

21/11/2021, 18:35

211121-w8k1bsecdq 10

21/11/2021, 18:15

211121-wvv85seccm 10

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    21/11/2021, 18:15

General

  • Target

    1814a6a6749684cdacd792374e0ba31b7be4ff6f9675f3fd15d543afbb540367.exe

  • Size

    22KB

  • MD5

    7906dc475a8ae55ffb5af7fd3ac8f10a

  • SHA1

    e7304e2436dc0eddddba229f1ec7145055030151

  • SHA256

    1814a6a6749684cdacd792374e0ba31b7be4ff6f9675f3fd15d543afbb540367

  • SHA512

    c087b3107295095e9aca527d02b74c067e96ca5daf5457e465f8606dbf4809027faedf65d77868f6fb8bb91a1438e3d0169e59efddf1439bbd3adb3e23a739a1

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://f0340250eef46e10aaeltalkfzj.n5fnrf4l7bdjhelx.onion/eltalkfzj Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://f0340250eef46e10aaeltalkfzj.jobsbig.cam/eltalkfzj http://f0340250eef46e10aaeltalkfzj.boxgas.icu/eltalkfzj http://f0340250eef46e10aaeltalkfzj.sixsees.club/eltalkfzj http://f0340250eef46e10aaeltalkfzj.nowuser.casa/eltalkfzj Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://f0340250eef46e10aaeltalkfzj.n5fnrf4l7bdjhelx.onion/eltalkfzj

http://f0340250eef46e10aaeltalkfzj.jobsbig.cam/eltalkfzj

http://f0340250eef46e10aaeltalkfzj.boxgas.icu/eltalkfzj

http://f0340250eef46e10aaeltalkfzj.sixsees.club/eltalkfzj

http://f0340250eef46e10aaeltalkfzj.nowuser.casa/eltalkfzj

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.

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • c:\windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies extensions of user files
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2400
    • \??\c:\windows\system32\notepad.exe
      notepad.exe C:\Users\Public\readme.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3832
    • \??\c:\windows\system32\cmd.exe
      cmd /c "start http://f0340250eef46e10aaeltalkfzj.jobsbig.cam/eltalkfzj^&1^&48225306^&74^&315^&2215063"
      2⤵
      • Checks computer location settings
      PID:3636
    • \??\c:\windows\system32\cmd.exe
      cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1564
    • \??\c:\windows\system32\cmd.exe
      cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
        3⤵
          PID:3756
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2448
      • \??\c:\windows\system32\cmd.exe
        cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3668
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
          3⤵
            PID:1356
        • \??\c:\windows\system32\cmd.exe
          cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3868
          • C:\Windows\system32\wbem\WMIC.exe
            C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3760
      • c:\windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2728
        • \??\c:\windows\system32\cmd.exe
          cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:924
          • C:\Windows\system32\wbem\WMIC.exe
            C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
            3⤵
              PID:1804
          • \??\c:\windows\system32\cmd.exe
            cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2440
            • C:\Windows\system32\wbem\WMIC.exe
              C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
              3⤵
                PID:3864
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3016
            • C:\Users\Admin\AppData\Local\Temp\1814a6a6749684cdacd792374e0ba31b7be4ff6f9675f3fd15d543afbb540367.exe
              "C:\Users\Admin\AppData\Local\Temp\1814a6a6749684cdacd792374e0ba31b7be4ff6f9675f3fd15d543afbb540367.exe"
              2⤵
              • Suspicious use of SetThreadContext
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:2376
              • C:\Windows\SYSTEM32\cmd.exe
                cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3488
                • C:\Windows\system32\wbem\WMIC.exe
                  C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
                  4⤵
                    PID:3736
                • C:\Windows\SYSTEM32\cmd.exe
                  cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2336
                  • C:\Windows\system32\wbem\WMIC.exe
                    C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
                    4⤵
                      PID:1364
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1096
                  • C:\Windows\system32\wbem\WMIC.exe
                    C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
                    3⤵
                      PID:836
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:608
                    • C:\Windows\system32\wbem\WMIC.exe
                      C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
                      3⤵
                        PID:2284
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe"
                      2⤵
                        PID:984
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe"
                          3⤵
                          • Checks processor information in registry
                          • Suspicious use of FindShellTrayWindow
                          • Suspicious use of SendNotifyMessage
                          • Suspicious use of SetWindowsHookEx
                          PID:4196
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4196.0.1447813663\79342242" -parentBuildID 20200403170909 -prefsHandle 1524 -prefMapHandle 1412 -prefsLen 1 -prefMapSize 219680 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4196 "\\.\pipe\gecko-crash-server-pipe.4196" 1616 gpu
                            4⤵
                              PID:1420
                            • C:\Program Files\Mozilla Firefox\firefox.exe
                              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4196.3.1523611766\1058069496" -childID 1 -isForBrowser -prefsHandle 2248 -prefMapHandle 2024 -prefsLen 122 -prefMapSize 219680 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4196 "\\.\pipe\gecko-crash-server-pipe.4196" 2240 tab
                              4⤵
                                PID:1936
                              • C:\Program Files\Mozilla Firefox\firefox.exe
                                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4196.13.283784695\2068107025" -childID 2 -isForBrowser -prefsHandle 3312 -prefMapHandle 3416 -prefsLen 6979 -prefMapSize 219680 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4196 "\\.\pipe\gecko-crash-server-pipe.4196" 3428 tab
                                4⤵
                                  PID:3720
                                • C:\Program Files\Mozilla Firefox\firefox.exe
                                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4196.20.955819267\1981538372" -childID 3 -isForBrowser -prefsHandle 4240 -prefMapHandle 4224 -prefsLen 7750 -prefMapSize 219680 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4196 "\\.\pipe\gecko-crash-server-pipe.4196" 4228 tab
                                  4⤵
                                    PID:3128
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                              • Modifies registry class
                              • Suspicious use of WriteProcessMemory
                              PID:3472
                              • C:\Windows\System32\cmd.exe
                                cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
                                2⤵
                                • Suspicious use of WriteProcessMemory
                                PID:2916
                                • C:\Windows\system32\wbem\WMIC.exe
                                  C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
                                  3⤵
                                    PID:3692
                                • C:\Windows\System32\cmd.exe
                                  cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
                                  2⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:3124
                                  • C:\Windows\system32\wbem\WMIC.exe
                                    C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
                                    3⤵
                                      PID:2700
                                • C:\Windows\system32\DllHost.exe
                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                  1⤵
                                    PID:3672
                                    • C:\Windows\system32\WerFault.exe
                                      C:\Windows\system32\WerFault.exe -u -p 3672 -s 812
                                      2⤵
                                      • Program crash
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:3028
                                  • C:\Windows\system32\cmd.exe
                                    cmd /c computerdefaults.exe
                                    1⤵
                                    • Process spawned unexpected child process
                                    • Suspicious use of WriteProcessMemory
                                    PID:3136
                                    • C:\Windows\system32\ComputerDefaults.exe
                                      computerdefaults.exe
                                      2⤵
                                        PID:4116
                                    • C:\Windows\system32\cmd.exe
                                      cmd /c computerdefaults.exe
                                      1⤵
                                      • Process spawned unexpected child process
                                      • Suspicious use of WriteProcessMemory
                                      PID:1328
                                      • C:\Windows\system32\ComputerDefaults.exe
                                        computerdefaults.exe
                                        2⤵
                                          PID:4144
                                      • C:\Windows\system32\cmd.exe
                                        cmd /c computerdefaults.exe
                                        1⤵
                                        • Process spawned unexpected child process
                                        • Suspicious use of WriteProcessMemory
                                        PID:716
                                        • C:\Windows\system32\ComputerDefaults.exe
                                          computerdefaults.exe
                                          2⤵
                                            PID:4104
                                        • C:\Windows\system32\cmd.exe
                                          cmd /c computerdefaults.exe
                                          1⤵
                                          • Process spawned unexpected child process
                                          • Suspicious use of WriteProcessMemory
                                          PID:3152
                                          • C:\Windows\system32\ComputerDefaults.exe
                                            computerdefaults.exe
                                            2⤵
                                              PID:4176
                                          • C:\Windows\system32\cmd.exe
                                            cmd /c computerdefaults.exe
                                            1⤵
                                            • Process spawned unexpected child process
                                            • Suspicious use of WriteProcessMemory
                                            PID:4204
                                            • C:\Windows\system32\ComputerDefaults.exe
                                              computerdefaults.exe
                                              2⤵
                                                PID:4308
                                            • C:\Windows\system32\cmd.exe
                                              cmd /c computerdefaults.exe
                                              1⤵
                                              • Process spawned unexpected child process
                                              PID:4352
                                              • C:\Windows\system32\ComputerDefaults.exe
                                                computerdefaults.exe
                                                2⤵
                                                  PID:4492
                                              • C:\Windows\system32\cmd.exe
                                                cmd /c computerdefaults.exe
                                                1⤵
                                                • Process spawned unexpected child process
                                                • Suspicious use of WriteProcessMemory
                                                PID:4372
                                                • C:\Windows\system32\ComputerDefaults.exe
                                                  computerdefaults.exe
                                                  2⤵
                                                    PID:4500
                                                • C:\Windows\system32\cmd.exe
                                                  cmd /c computerdefaults.exe
                                                  1⤵
                                                  • Process spawned unexpected child process
                                                  PID:4432
                                                  • C:\Windows\system32\ComputerDefaults.exe
                                                    computerdefaults.exe
                                                    2⤵
                                                      PID:4720
                                                  • C:\Windows\system32\cmd.exe
                                                    cmd /c computerdefaults.exe
                                                    1⤵
                                                    • Process spawned unexpected child process
                                                    PID:4460
                                                    • C:\Windows\system32\ComputerDefaults.exe
                                                      computerdefaults.exe
                                                      2⤵
                                                        PID:4708
                                                    • C:\Windows\system32\cmd.exe
                                                      cmd /c computerdefaults.exe
                                                      1⤵
                                                      • Process spawned unexpected child process
                                                      PID:4480
                                                      • C:\Windows\system32\ComputerDefaults.exe
                                                        computerdefaults.exe
                                                        2⤵
                                                          PID:4800
                                                      • C:\Windows\system32\cmd.exe
                                                        cmd /c computerdefaults.exe
                                                        1⤵
                                                        • Process spawned unexpected child process
                                                        PID:4604
                                                        • C:\Windows\system32\ComputerDefaults.exe
                                                          computerdefaults.exe
                                                          2⤵
                                                            PID:4768
                                                        • C:\Windows\system32\cmd.exe
                                                          cmd /c computerdefaults.exe
                                                          1⤵
                                                          • Process spawned unexpected child process
                                                          PID:4668
                                                          • C:\Windows\system32\ComputerDefaults.exe
                                                            computerdefaults.exe
                                                            2⤵
                                                              PID:4868
                                                          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                                                            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                                                            1⤵
                                                            • Drops file in Windows directory
                                                            • Modifies Internet Explorer settings
                                                            • Modifies registry class
                                                            • Suspicious use of SetWindowsHookEx
                                                            PID:2204
                                                          • C:\Windows\system32\browser_broker.exe
                                                            C:\Windows\system32\browser_broker.exe -Embedding
                                                            1⤵
                                                            • Modifies Internet Explorer settings
                                                            PID:4040
                                                          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                            1⤵
                                                            • Modifies registry class
                                                            • Suspicious behavior: MapViewOfSection
                                                            • Suspicious use of SetWindowsHookEx
                                                            PID:3128
                                                          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                            1⤵
                                                            • Drops file in Windows directory
                                                            • Modifies Internet Explorer settings
                                                            • Modifies registry class
                                                            PID:1164
                                                          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                            1⤵
                                                            • Modifies registry class
                                                            PID:2272
                                                          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                            1⤵
                                                            • Drops file in Windows directory
                                                            • Modifies registry class
                                                            PID:3176

                                                          Network

                                                          MITRE ATT&CK Enterprise v6

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

                                                          • memory/2376-129-0x000001E524CA0000-0x000001E524CA1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-123-0x000001E524C20000-0x000001E524C21000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-118-0x000001E522BA0000-0x000001E522BA6000-memory.dmp

                                                            Filesize

                                                            24KB

                                                          • memory/2376-119-0x000001E522CF0000-0x000001E522CF1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-122-0x000001E522D20000-0x000001E522D21000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-120-0x000001E522D00000-0x000001E522D01000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-121-0x000001E522D10000-0x000001E522D11000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-127-0x000001E524C80000-0x000001E524C81000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-128-0x000001E524C90000-0x000001E524C91000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-156-0x000001E525290000-0x000001E525291000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-124-0x000001E524C30000-0x000001E524C31000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-125-0x000001E524C40000-0x000001E524C41000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2376-126-0x000001E524C70000-0x000001E524C71000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2400-130-0x00000275F3420000-0x00000275F3424000-memory.dmp

                                                            Filesize

                                                            16KB