Resubmissions

13-02-2021 13:20

210213-v5rv7ejb7n 10

Analysis

  • max time kernel
    60s
  • max time network
    59s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13-02-2021 13:20

General

  • Target

    Kepserverex_5_5_14_493_crack_by_CORE.exe

  • Size

    9.0MB

  • MD5

    10a7ec6eec9d29e7cf84477015651b65

  • SHA1

    c6b132ff8919f5da4959d68b5a9cf86919ccebee

  • SHA256

    a252756f1326333e8587740cfecad63d80ffd26dd49d6b9699d685fb5096b730

  • SHA512

    34c53db9f782e6899004673c3c531b58aacc2153554fd2ca06b47d80d21f8d536912f4ec7f7336738e24b034f5a567b32cf99015ee8c01259902b63a86722aaa

Malware Config

Extracted

Family

azorult

C2

http://kvaka.li/1210776429.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Nirsoft 6 IoCs
  • Executes dropped EXE 14 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 9 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kepserverex_5_5_14_493_crack_by_CORE.exe
    "C:\Users\Admin\AppData\Local\Temp\Kepserverex_5_5_14_493_crack_by_CORE.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:184
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-pr.exe
        keygen-pr.exe -p83fsase3Ge
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Users\Admin\AppData\Local\Temp\RarSFX2\key.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX2\key.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3184
          • C:\Users\Admin\AppData\Local\Temp\RarSFX2\key.exe
            C:\Users\Admin\AppData\Local\Temp\RarSFX2\key.exe -txt -scanlocal -file:potato.dat
            5⤵
            • Executes dropped EXE
            PID:764
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-1.exe
        keygen-step-1.exe
        3⤵
        • Executes dropped EXE
        PID:2544
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-3.exe
        keygen-step-3.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3948
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-3.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:912
          • C:\Windows\SysWOW64\PING.EXE
            ping 1.1.1.1 -n 1 -w 3000
            5⤵
            • Runs ping.exe
            PID:3960
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-4.exe
        keygen-step-4.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1380
        • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Setup.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX1\Setup.exe"
          4⤵
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Modifies system certificate store
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1844
          • C:\Windows\SysWOW64\msiexec.exe
            msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\gdiview.msi"
            5⤵
            • Enumerates connected drives
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            PID:2664
          • C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe
            C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe 0011 installp1
            5⤵
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Writes to the Master Boot Record (MBR)
            • Suspicious use of SetThreadContext
            • Checks SCSI registry key(s)
            • Suspicious use of SetWindowsHookEx
            PID:3304
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe"
              6⤵
              • Suspicious use of SetWindowsHookEx
              PID:4008
            • C:\Users\Admin\AppData\Roaming\1613225895442.exe
              "C:\Users\Admin\AppData\Roaming\1613225895442.exe" /sjson "C:\Users\Admin\AppData\Roaming\1613225895442.txt"
              6⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:4476
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe"
              6⤵
              • Suspicious use of SetWindowsHookEx
              PID:4624
            • C:\Users\Admin\AppData\Roaming\1613225900083.exe
              "C:\Users\Admin\AppData\Roaming\1613225900083.exe" /sjson "C:\Users\Admin\AppData\Roaming\1613225900083.txt"
              6⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:4640
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe"
              6⤵
              • Suspicious use of SetWindowsHookEx
              PID:4692
            • C:\Users\Admin\AppData\Roaming\1613225905723.exe
              "C:\Users\Admin\AppData\Roaming\1613225905723.exe" /sjson "C:\Users\Admin\AppData\Roaming\1613225905723.txt"
              6⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:4704
            • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
              C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe ThunderFW "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:756
          • C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe
            C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe 200 installp1
            5⤵
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Writes to the Master Boot Record (MBR)
            • Checks SCSI registry key(s)
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3824
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c taskkill /f /im chrome.exe
              6⤵
                PID:3964
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /f /im chrome.exe
                  7⤵
                  • Kills process with taskkill
                  PID:4032
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\6489A2274AE24900.exe"
                6⤵
                  PID:4548
                  • C:\Windows\SysWOW64\PING.EXE
                    ping 127.0.0.1 -n 3
                    7⤵
                    • Runs ping.exe
                    PID:4592
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\RarSFX1\Setup.exe"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:860
                • C:\Windows\SysWOW64\PING.EXE
                  ping 127.0.0.1 -n 3
                  6⤵
                  • Runs ping.exe
                  PID:1836
            • C:\Users\Admin\AppData\Local\Temp\RarSFX1\md2_2efs.exe
              "C:\Users\Admin\AppData\Local\Temp\RarSFX1\md2_2efs.exe"
              4⤵
              • Executes dropped EXE
              • Checks whether UAC is enabled
              PID:200
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 200 -s 2748
                5⤵
                • Drops file in Windows directory
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                PID:4440
      • C:\Windows\system32\msiexec.exe
        C:\Windows\system32\msiexec.exe /V
        1⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3984
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 76B6420397E1392AF7EB4B26BA061D38 C
          2⤵
          • Loads dropped DLL
          PID:4064
        • C:\Windows\system32\srtasks.exe
          C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
          2⤵
            PID:4904
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:2348
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s DsmSvc
            1⤵
            • Checks SCSI registry key(s)
            • Modifies data under HKEY_USERS
            PID:4776

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/756-97-0x00000000730C0000-0x0000000073153000-memory.dmp

            Filesize

            588KB

          • memory/764-29-0x0000000000400000-0x0000000000983000-memory.dmp

            Filesize

            5.5MB

          • memory/764-32-0x0000000000400000-0x0000000000983000-memory.dmp

            Filesize

            5.5MB

          • memory/1844-33-0x0000000010000000-0x000000001033D000-memory.dmp

            Filesize

            3.2MB

          • memory/1844-27-0x00000000730C0000-0x0000000073153000-memory.dmp

            Filesize

            588KB

          • memory/3184-28-0x0000000002AA0000-0x0000000002C3C000-memory.dmp

            Filesize

            1.6MB

          • memory/3184-41-0x0000000000960000-0x0000000000961000-memory.dmp

            Filesize

            4KB

          • memory/3184-40-0x00000000031C0000-0x00000000032AF000-memory.dmp

            Filesize

            956KB

          • memory/3184-42-0x0000000000950000-0x000000000096B000-memory.dmp

            Filesize

            108KB

          • memory/3304-47-0x00000000730C0000-0x0000000073153000-memory.dmp

            Filesize

            588KB

          • memory/3304-57-0x0000000002E70000-0x0000000003319000-memory.dmp

            Filesize

            4.7MB

          • memory/3824-58-0x0000000002F60000-0x000000000340F000-memory.dmp

            Filesize

            4.7MB

          • memory/3824-49-0x00000000730C0000-0x0000000073153000-memory.dmp

            Filesize

            588KB

          • memory/4008-64-0x0000026AA0F30000-0x0000026AA0F31000-memory.dmp

            Filesize

            4KB

          • memory/4008-61-0x00007FF9357A0000-0x00007FF93581E000-memory.dmp

            Filesize

            504KB

          • memory/4008-63-0x0000000010000000-0x0000000010057000-memory.dmp

            Filesize

            348KB

          • memory/4440-66-0x00000000046E0000-0x00000000046E1000-memory.dmp

            Filesize

            4KB

          • memory/4440-65-0x00000000046E0000-0x00000000046E1000-memory.dmp

            Filesize

            4KB

          • memory/4476-71-0x00000000730C0000-0x0000000073153000-memory.dmp

            Filesize

            588KB

          • memory/4624-82-0x0000020A3DA90000-0x0000020A3DA91000-memory.dmp

            Filesize

            4KB

          • memory/4624-76-0x00007FF9357A0000-0x00007FF93581E000-memory.dmp

            Filesize

            504KB

          • memory/4640-80-0x00000000730C0000-0x0000000073153000-memory.dmp

            Filesize

            588KB

          • memory/4692-86-0x00007FF9357A0000-0x00007FF93581E000-memory.dmp

            Filesize

            504KB

          • memory/4692-91-0x00000273D8040000-0x00000273D8041000-memory.dmp

            Filesize

            4KB

          • memory/4704-89-0x00000000730C0000-0x0000000073153000-memory.dmp

            Filesize

            588KB