Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2023 10:11

General

  • Target

    FAKTURA MD.exe

  • Size

    1.1MB

  • MD5

    c0f19452648f00641f3c62f409d70c75

  • SHA1

    55e18ebba9f0be9d19cc92ea3e93f97d840b762d

  • SHA256

    f9c82287e71d51c8160a9eb81116f33ac932c12f8af5afcd144229e214553e20

  • SHA512

    00ec218f1c9218f3de07583cf26fae031274fb06280193186fd110e4a90a6cbbbc13e4137a75c71e3045b89dee9771a86d557d739b9d4311b6e09e19b550d931

  • SSDEEP

    12288:oX8lOqFSsZ40z3QjB2lr5fPx7Zh70WoQzV9hBoSFhAf1nAhglR:Q8ltFSQ3AB2zp7pcf1nAhglR

Malware Config

Extracted

Family

remcos

Botnet

EGO MBUTE

C2

chimarem.duckdns.org:1356

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-54Y8VF

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • ModiLoader Second Stage 1 IoCs
  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FAKTURA MD.exe
    "C:\Users\Admin\AppData\Local\Temp\FAKTURA MD.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4184
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\VpmhvjmcO.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
        3⤵
          PID:4464
        • C:\Windows\SysWOW64\xcopy.exe
          xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
          3⤵
          • Enumerates system info in registry
          PID:2196
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
          3⤵
            PID:4364
          • C:\Windows\SysWOW64\xcopy.exe
            xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
            3⤵
            • Enumerates system info in registry
            PID:1244
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
            3⤵
              PID:4772
            • C:\Windows\SysWOW64\xcopy.exe
              xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
              3⤵
              • Enumerates system info in registry
              PID:3276
            • C:\Windows \System32\easinvoker.exe
              "C:\Windows \System32\easinvoker.exe"
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1684
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4916
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
                  5⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:548
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 6
              3⤵
              • Runs ping.exe
              PID:2524
          • C:\Users\Public\Libraries\cmjvhmpV.pif
            C:\Users\Public\Libraries\cmjvhmpV.pif
            2⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:2124
            • C:\Users\Public\Libraries\cmjvhmpV.pif
              C:\Users\Public\Libraries\cmjvhmpV.pif /stext "C:\Users\Admin\AppData\Local\Temp\tdevsncxyypdgzpvpfhxszpjqwovrqulya"
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3692
            • C:\Users\Public\Libraries\cmjvhmpV.pif
              C:\Users\Public\Libraries\cmjvhmpV.pif /stext "C:\Users\Admin\AppData\Local\Temp\dxjgsf"
              3⤵
              • Executes dropped EXE
              • Accesses Microsoft Outlook accounts
              PID:3680
            • C:\Users\Public\Libraries\cmjvhmpV.pif
              C:\Users\Public\Libraries\cmjvhmpV.pif /stext "C:\Users\Admin\AppData\Local\Temp\nzxytyxsap"
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4592

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tdevsncxyypdgzpvpfhxszpjqwovrqulya

          Filesize

          4KB

          MD5

          9945b47a62f116c5707cfe39eba4e3a3

          SHA1

          3a891690b33791216df5ca70ff15c288b8ec3223

          SHA256

          bec9bca76621ea0f0db461945ca513d00aba466d4cf882a437a8de82075784f1

          SHA512

          7c0ba560d4332ca00c6b2e3e938c50e7006b0775ba2eec3ff287adf656de508795be097a6a12d9f3cb9a43ac63c0f52f2574ad1cdebe868fd4ac02e683687e48

        • C:\Users\Public\Libraries\KDECO.bat

          Filesize

          155B

          MD5

          213c60adf1c9ef88dc3c9b2d579959d2

          SHA1

          e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

          SHA256

          37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

          SHA512

          fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

        • C:\Users\Public\Libraries\VpmhvjmcO.bat

          Filesize

          411B

          MD5

          55aba243e88f6a6813c117ffe1fa5979

          SHA1

          210b9b028a4b798c837a182321dbf2e50d112816

          SHA256

          5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

          SHA512

          68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

        • C:\Users\Public\Libraries\cmjvhmpV.pif

          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\Libraries\cmjvhmpV.pif

          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\Libraries\cmjvhmpV.pif

          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\Libraries\cmjvhmpV.pif

          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\Libraries\cmjvhmpV.pif

          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\Libraries\easinvoker.exe

          Filesize

          128KB

          MD5

          231ce1e1d7d98b44371ffff407d68b59

          SHA1

          25510d0f6353dbf0c9f72fc880de7585e34b28ff

          SHA256

          30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

          SHA512

          520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

        • C:\Users\Public\Libraries\netutils.dll

          Filesize

          110KB

          MD5

          b375e74a145c45d07190212e9157e5f8

          SHA1

          59d3de7748e1090ce95523601224ce5ab6cc4a3a

          SHA256

          6ec341496722bfdde504d430a7ece494701a9369b1fa5376ec488a77ab3c1744

          SHA512

          859737afb6108f131c0ac35560878359505c4f7fdd01ce468c04b15848df71f70987552a831a43ce948a37c9b1d6a434ff7f6fb5946f3730049b924d5b462ef0

        • C:\Windows \System32\easinvoker.exe

          Filesize

          128KB

          MD5

          231ce1e1d7d98b44371ffff407d68b59

          SHA1

          25510d0f6353dbf0c9f72fc880de7585e34b28ff

          SHA256

          30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

          SHA512

          520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

        • C:\Windows \System32\easinvoker.exe

          Filesize

          128KB

          MD5

          231ce1e1d7d98b44371ffff407d68b59

          SHA1

          25510d0f6353dbf0c9f72fc880de7585e34b28ff

          SHA256

          30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

          SHA512

          520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

        • C:\Windows \System32\netutils.dll

          Filesize

          110KB

          MD5

          b375e74a145c45d07190212e9157e5f8

          SHA1

          59d3de7748e1090ce95523601224ce5ab6cc4a3a

          SHA256

          6ec341496722bfdde504d430a7ece494701a9369b1fa5376ec488a77ab3c1744

          SHA512

          859737afb6108f131c0ac35560878359505c4f7fdd01ce468c04b15848df71f70987552a831a43ce948a37c9b1d6a434ff7f6fb5946f3730049b924d5b462ef0

        • C:\Windows \System32\netutils.dll

          Filesize

          110KB

          MD5

          b375e74a145c45d07190212e9157e5f8

          SHA1

          59d3de7748e1090ce95523601224ce5ab6cc4a3a

          SHA256

          6ec341496722bfdde504d430a7ece494701a9369b1fa5376ec488a77ab3c1744

          SHA512

          859737afb6108f131c0ac35560878359505c4f7fdd01ce468c04b15848df71f70987552a831a43ce948a37c9b1d6a434ff7f6fb5946f3730049b924d5b462ef0

        • C:\windows \system32\KDECO.bat

          Filesize

          155B

          MD5

          213c60adf1c9ef88dc3c9b2d579959d2

          SHA1

          e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

          SHA256

          37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

          SHA512

          fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

        • memory/548-153-0x0000000000000000-mapping.dmp

        • memory/548-155-0x00007FFD37890000-0x00007FFD38351000-memory.dmp

          Filesize

          10.8MB

        • memory/548-154-0x00000204A1880000-0x00000204A18A2000-memory.dmp

          Filesize

          136KB

        • memory/1244-140-0x0000000000000000-mapping.dmp

        • memory/1684-145-0x0000000000000000-mapping.dmp

        • memory/2124-163-0x0000000000630000-0x00000000006AF000-memory.dmp

          Filesize

          508KB

        • memory/2124-162-0x0000000000630000-0x00000000006AF000-memory.dmp

          Filesize

          508KB

        • memory/2124-157-0x0000000000000000-mapping.dmp

        • memory/2124-161-0x0000000010590000-0x0000000010612000-memory.dmp

          Filesize

          520KB

        • memory/2196-137-0x0000000000000000-mapping.dmp

        • memory/2524-151-0x0000000000000000-mapping.dmp

        • memory/3276-143-0x0000000000000000-mapping.dmp

        • memory/3680-170-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/3680-166-0x0000000000000000-mapping.dmp

        • memory/3692-164-0x0000000000000000-mapping.dmp

        • memory/3692-172-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/3692-173-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4184-132-0x00000000025D0000-0x00000000025FC000-memory.dmp

          Filesize

          176KB

        • memory/4184-160-0x0000000010590000-0x0000000010612000-memory.dmp

          Filesize

          520KB

        • memory/4184-156-0x0000000010590000-0x0000000010612000-memory.dmp

          Filesize

          520KB

        • memory/4364-139-0x0000000000000000-mapping.dmp

        • memory/4464-136-0x0000000000000000-mapping.dmp

        • memory/4592-168-0x0000000000000000-mapping.dmp

        • memory/4592-171-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/4772-142-0x0000000000000000-mapping.dmp

        • memory/4908-134-0x0000000000000000-mapping.dmp

        • memory/4916-150-0x0000000000000000-mapping.dmp