Analysis

  • max time kernel
    148s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2023 07:54

General

  • Target

    Documents/TESPO04231_DOCUMENTATION_DRAWING_SPECS_XLX - Copy.exe

  • Size

    61.0MB

  • MD5

    6e751c7e477a446ca3192e29cce75458

  • SHA1

    1e025b01bd31638eb8f4f08091b71bd43ac4ec49

  • SHA256

    27a90b4c61f5b251c0ec448a81441d73352ccf16673aadc466e289d900936c54

  • SHA512

    4e1112a4a5b835bf69190da841f3411be75e6cb6fc642b1ec5c3d846e6d150cdade17b285ebca0f6e71f89aa4c6d7ab8a24aa7120837eed23c79daa3f3624373

  • SSDEEP

    12288:MB171bq7pQn24yjmf0vff3kn6se2AtPFGu5W8q5nCItvd9j:85E7pQ0yf+XlJtYu5W8gn1d

Malware Config

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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documents\TESPO04231_DOCUMENTATION_DRAWING_SPECS_XLX - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Documents\TESPO04231_DOCUMENTATION_DRAWING_SPECS_XLX - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Public\bbipkbzbtpD.pdf"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1428
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Libraries\DptbzbkpO.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:868
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
        3⤵
          PID:1908
        • C:\Windows\SysWOW64\xcopy.exe
          xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
          3⤵
          • Enumerates system info in registry
          PID:1544
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
          3⤵
            PID:840
          • C:\Windows\SysWOW64\xcopy.exe
            xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
            3⤵
            • Enumerates system info in registry
            PID:1080
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
            3⤵
              PID:824
            • C:\Windows\SysWOW64\xcopy.exe
              xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
              3⤵
              • Enumerates system info in registry
              PID:1412
            • C:\Windows \System32\easinvoker.exe
              "C:\Windows \System32\easinvoker.exe"
              3⤵
              • Executes dropped EXE
              PID:1696
            • C:\Windows \System32\easinvoker.exe
              "C:\Windows \System32\easinvoker.exe"
              3⤵
              • Executes dropped EXE
              PID:836
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 6
              3⤵
              • Runs ping.exe
              PID:912
          • C:\Users\Public\Libraries\pkbzbtpD.pif
            C:\Users\Public\Libraries\pkbzbtpD.pif
            2⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1012
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 120
              3⤵
              • Loads dropped DLL
              • Program crash
              PID:1736

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        System Information Discovery

        2
        T1082

        Query Registry

        1
        T1012

        Remote System Discovery

        1
        T1018

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Public\Libraries\DptbzbkpO.bat
          Filesize

          411B

          MD5

          55aba243e88f6a6813c117ffe1fa5979

          SHA1

          210b9b028a4b798c837a182321dbf2e50d112816

          SHA256

          5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

          SHA512

          68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

        • C:\Users\Public\Libraries\DptbzbkpO.bat
          Filesize

          411B

          MD5

          55aba243e88f6a6813c117ffe1fa5979

          SHA1

          210b9b028a4b798c837a182321dbf2e50d112816

          SHA256

          5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

          SHA512

          68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

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

          155B

          MD5

          213c60adf1c9ef88dc3c9b2d579959d2

          SHA1

          e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

          SHA256

          37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

          SHA512

          fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

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

          128KB

          MD5

          231ce1e1d7d98b44371ffff407d68b59

          SHA1

          25510d0f6353dbf0c9f72fc880de7585e34b28ff

          SHA256

          30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

          SHA512

          520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

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

          109KB

          MD5

          121948efb4f731c8bf4af1aeca4e31c8

          SHA1

          68000731f4e952e8bce50b62a42ff1c1088aa20c

          SHA256

          f0799059086aff98937a56b1f576a38b5f431aef165b7d65ee44e129c1a1daae

          SHA512

          229d0ebefc20edeef1e11e29d1bbddfdd668d1e3abd46e0129fe0359bb915186b29af0c5209bfe227ef412cf09ec87e66f12fd294a0874a04af9ad1e72091eeb

        • C:\Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\bbipkbzbtpD.pdf
          Filesize

          310KB

          MD5

          1fa9fcb613fcbb14d728ff2296eb634c

          SHA1

          8b67b2d05d3664c894cb322969ac8ceaa60bea8a

          SHA256

          ab79960e836225c71b798a4cf03152078b07e50b85831186ddd78a982e2d5586

          SHA512

          3ccc6032ec35b1023f32e7d28a6556c275470d4a002131ffcc95777fb57800db42b8deb0c7e86f4a45e64c76fb8a8349f401aa4f81ccd0f028c5cf5e5f6e0b74

        • C:\Windows \System32\KDECO.bat
          Filesize

          155B

          MD5

          213c60adf1c9ef88dc3c9b2d579959d2

          SHA1

          e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

          SHA256

          37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

          SHA512

          fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

        • 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\easinvoker.exe
          Filesize

          128KB

          MD5

          231ce1e1d7d98b44371ffff407d68b59

          SHA1

          25510d0f6353dbf0c9f72fc880de7585e34b28ff

          SHA256

          30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

          SHA512

          520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

        • C:\Windows \System32\netutils.dll
          Filesize

          109KB

          MD5

          121948efb4f731c8bf4af1aeca4e31c8

          SHA1

          68000731f4e952e8bce50b62a42ff1c1088aa20c

          SHA256

          f0799059086aff98937a56b1f576a38b5f431aef165b7d65ee44e129c1a1daae

          SHA512

          229d0ebefc20edeef1e11e29d1bbddfdd668d1e3abd46e0129fe0359bb915186b29af0c5209bfe227ef412cf09ec87e66f12fd294a0874a04af9ad1e72091eeb

        • \Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • \Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • \Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • \Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • \Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • \Users\Public\Libraries\pkbzbtpD.pif
          Filesize

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • memory/868-115-0x0000000002240000-0x0000000002241000-memory.dmp
          Filesize

          4KB

        • memory/868-124-0x0000000002240000-0x0000000002241000-memory.dmp
          Filesize

          4KB

        • memory/1012-138-0x00000000001D0000-0x00000000001D1000-memory.dmp
          Filesize

          4KB

        • memory/1012-135-0x00000000001B0000-0x00000000001B1000-memory.dmp
          Filesize

          4KB

        • memory/1012-163-0x0000000000400000-0x000000000041A000-memory.dmp
          Filesize

          104KB

        • memory/1012-162-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/1012-156-0x0000000000440000-0x0000000000441000-memory.dmp
          Filesize

          4KB

        • memory/1012-153-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/1012-144-0x00000000003C0000-0x00000000003C1000-memory.dmp
          Filesize

          4KB

        • memory/2000-61-0x0000000003AE0000-0x0000000003B3A000-memory.dmp
          Filesize

          360KB

        • memory/2000-63-0x0000000003C90000-0x0000000003C9D000-memory.dmp
          Filesize

          52KB

        • memory/2000-54-0x0000000000280000-0x00000000002AC000-memory.dmp
          Filesize

          176KB

        • memory/2000-60-0x0000000003560000-0x000000000356E000-memory.dmp
          Filesize

          56KB

        • memory/2000-68-0x0000000004220000-0x00000000043BD000-memory.dmp
          Filesize

          1.6MB

        • memory/2000-152-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/2000-134-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/2000-62-0x0000000003590000-0x00000000035A0000-memory.dmp
          Filesize

          64KB

        • memory/2000-59-0x0000000003520000-0x000000000355B000-memory.dmp
          Filesize

          236KB

        • memory/2000-58-0x00000000005E0000-0x00000000005F6000-memory.dmp
          Filesize

          88KB

        • memory/2000-57-0x0000000000400000-0x00000000004BD000-memory.dmp
          Filesize

          756KB

        • memory/2000-55-0x0000000000220000-0x0000000000221000-memory.dmp
          Filesize

          4KB

        • memory/2000-64-0x0000000003CD0000-0x0000000003CE2000-memory.dmp
          Filesize

          72KB

        • memory/2000-65-0x0000000003CF0000-0x0000000003D28000-memory.dmp
          Filesize

          224KB