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Analysis

  • max time kernel
    99s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    22/06/2021, 14:06

General

  • Target

    4.exe

  • Size

    21KB

  • MD5

    191889cccd8827cb28b5cf9c3a559366

  • SHA1

    c1a6bc0e5d66524eaefa935e9d1dca0c9223bead

  • SHA256

    5301e5deb37674296e48d5873862ce32f934fbdfe1a7919f97bddb1138957e35

  • SHA512

    6d3af286eaa1c3051a739edeaa5f5684f31ff0575082bcd1c2155acfa82657b06b70d7aefc55be3dc1f0877cd4ca77b13f9e53720f5123339bf85eb36bfdfcdf

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://2604a8602014c040e8uxkhdcf.ndkeblzjnpqgpo5o.onion/uxkhdcf Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://2604a8602014c040e8uxkhdcf.bejoin.space/uxkhdcf http://2604a8602014c040e8uxkhdcf.lieedge.casa/uxkhdcf http://2604a8602014c040e8uxkhdcf.wonride.site/uxkhdcf http://2604a8602014c040e8uxkhdcf.lognear.xyz/uxkhdcf Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://2604a8602014c040e8uxkhdcf.ndkeblzjnpqgpo5o.onion/uxkhdcf

http://2604a8602014c040e8uxkhdcf.bejoin.space/uxkhdcf

http://2604a8602014c040e8uxkhdcf.lieedge.casa/uxkhdcf

http://2604a8602014c040e8uxkhdcf.wonride.site/uxkhdcf

http://2604a8602014c040e8uxkhdcf.lognear.xyz/uxkhdcf

Signatures

  • Magniber Ransomware

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

  • Process spawned unexpected child process 10 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 5 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Suspicious use of SetThreadContext 3 IoCs
  • Interacts with shadow copies 2 TTPs 5 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: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Local\Temp\4.exe
      "C:\Users\Admin\AppData\Local\Temp\4.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1160
      • 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:1836
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
          4⤵
            PID:1632
        • 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:1140
          • C:\Windows\system32\wbem\WMIC.exe
            C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:760
      • 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:1300
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1212
      • 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:1644
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1944
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
      • Modifies extensions of user files
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\system32\notepad.exe
        notepad.exe C:\Users\Public\readme.txt
        2⤵
        • Opens file in notepad (likely ransom note)
        PID:2032
      • C:\Windows\system32\cmd.exe
        cmd /c "start http://2604a8602014c040e8uxkhdcf.bejoin.space/uxkhdcf^&1^&47753674^&86^&357^&12"
        2⤵
          PID:760
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" http://2604a8602014c040e8uxkhdcf.bejoin.space/uxkhdcf&1&47753674&86&357&12
            3⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:340
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:340 CREDAT:275457 /prefetch:2
              4⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:1424
        • 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:1180
          • C:\Windows\system32\wbem\WMIC.exe
            C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:432
      • C:\Windows\system32\cmd.exe
        cmd /c CompMgmtLauncher.exe
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:2124
        • C:\Windows\system32\CompMgmtLauncher.exe
          CompMgmtLauncher.exe
          2⤵
            PID:2348
            • C:\Windows\system32\wbem\wmic.exe
              "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
              3⤵
                PID:2596
          • C:\Windows\system32\cmd.exe
            cmd /c CompMgmtLauncher.exe
            1⤵
            • Process spawned unexpected child process
            • Suspicious use of WriteProcessMemory
            PID:2140
            • C:\Windows\system32\CompMgmtLauncher.exe
              CompMgmtLauncher.exe
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2224
              • C:\Windows\system32\wbem\wmic.exe
                "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                3⤵
                  PID:2504
            • C:\Windows\system32\cmd.exe
              cmd /c CompMgmtLauncher.exe
              1⤵
              • Process spawned unexpected child process
              • Suspicious use of WriteProcessMemory
              PID:2156
              • C:\Windows\system32\CompMgmtLauncher.exe
                CompMgmtLauncher.exe
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2320
                • C:\Windows\system32\wbem\wmic.exe
                  "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                  3⤵
                    PID:2520
              • C:\Windows\system32\cmd.exe
                cmd /c CompMgmtLauncher.exe
                1⤵
                • Process spawned unexpected child process
                • Suspicious use of WriteProcessMemory
                PID:2164
                • C:\Windows\system32\CompMgmtLauncher.exe
                  CompMgmtLauncher.exe
                  2⤵
                    PID:2300
                    • C:\Windows\system32\wbem\wmic.exe
                      "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                      3⤵
                        PID:2572
                  • C:\Windows\system32\cmd.exe
                    cmd /c CompMgmtLauncher.exe
                    1⤵
                    • Process spawned unexpected child process
                    • Suspicious use of WriteProcessMemory
                    PID:2132
                    • C:\Windows\system32\CompMgmtLauncher.exe
                      CompMgmtLauncher.exe
                      2⤵
                        PID:2332
                        • C:\Windows\system32\wbem\wmic.exe
                          "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
                          3⤵
                            PID:2684
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:2708
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:2816
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:2848
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:2868
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin.exe Delete Shadows /all /quiet
                        1⤵
                        • Process spawned unexpected child process
                        • Interacts with shadow copies
                        PID:2944
                      • C:\Windows\system32\vssvc.exe
                        C:\Windows\system32\vssvc.exe
                        1⤵
                          PID:2968

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • memory/1128-106-0x0000000001D60000-0x0000000001D64000-memory.dmp

                          Filesize

                          16KB

                        • memory/1160-96-0x0000000001D30000-0x0000000001D31000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-95-0x0000000001D20000-0x0000000001D21000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-64-0x00000000000F0000-0x00000000000F1000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-63-0x00000000000E0000-0x00000000000E1000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-65-0x0000000000100000-0x0000000000101000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-66-0x0000000000110000-0x0000000000111000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-89-0x0000000000390000-0x0000000000391000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-59-0x0000000000020000-0x0000000000025000-memory.dmp

                          Filesize

                          20KB

                        • memory/1160-90-0x00000000003A0000-0x00000000003A1000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-91-0x00000000003B0000-0x00000000003B1000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-93-0x0000000001D00000-0x0000000001D01000-memory.dmp

                          Filesize

                          4KB

                        • memory/1160-94-0x0000000001D10000-0x0000000001D11000-memory.dmp

                          Filesize

                          4KB

                        • memory/2032-61-0x000007FEFBC81000-0x000007FEFBC83000-memory.dmp

                          Filesize

                          8KB