Analysis

  • max time kernel
    107s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2023 07:07

General

  • Target

    Documents/Drawing and Specifcation.scr

  • Size

    80.0MB

  • MD5

    ec570bf1acd52068abc761cee9fc2087

  • SHA1

    b1c252f8fd74e58fbbb2a45f1dbd5733bb1fe209

  • SHA256

    71418a78c949e7f318a148ada4fd4a6701020a00707c426e3a2bf021966d03ce

  • SHA512

    871fc189c914292b640eb034e7478fc92689683dfa5075886ea10782f522de899ed1ceee2828e82e71ce950c62c4396b60cb7d1ff13223b6795be8efea59d8b6

  • SSDEEP

    12288:oTUapCWOSkmUQNQugJaBHCa7GGzkZqPLX3UHA25TakgFye5TvLF78:6dAskmUVugJd6GG4ZqPLX3UHA2I

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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documents\Drawing and Specifcation.scr
    "C:\Users\Admin\AppData\Local\Temp\Documents\Drawing and Specifcation.scr" /S
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1624
    • 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\tghuzvtywiW.PDF"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1492
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Libraries\WiwytvzuO.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
        3⤵
          PID:884
        • C:\Windows\SysWOW64\xcopy.exe
          xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
          3⤵
          • Enumerates system info in registry
          PID:1752
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
          3⤵
            PID:1456
          • C:\Windows\SysWOW64\xcopy.exe
            xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
            3⤵
            • Enumerates system info in registry
            PID:964
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
            3⤵
              PID:1808
            • C:\Windows\SysWOW64\xcopy.exe
              xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
              3⤵
              • Enumerates system info in registry
              PID:1208
            • C:\Windows \System32\easinvoker.exe
              "C:\Windows \System32\easinvoker.exe"
              3⤵
              • Executes dropped EXE
              PID:1804
            • C:\Windows \System32\easinvoker.exe
              "C:\Windows \System32\easinvoker.exe"
              3⤵
              • Executes dropped EXE
              PID:1220
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 6
              3⤵
              • Runs ping.exe
              PID:376
          • C:\Users\Public\Libraries\uzvtywiW.pif
            C:\Users\Public\Libraries\uzvtywiW.pif
            2⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1916
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 120
              3⤵
              • Loads dropped DLL
              • Program crash
              PID:2044

        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\KDECO.bat
          Filesize

          155B

          MD5

          213c60adf1c9ef88dc3c9b2d579959d2

          SHA1

          e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

          SHA256

          37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

          SHA512

          fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

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

          411B

          MD5

          55aba243e88f6a6813c117ffe1fa5979

          SHA1

          210b9b028a4b798c837a182321dbf2e50d112816

          SHA256

          5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

          SHA512

          68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

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

          411B

          MD5

          55aba243e88f6a6813c117ffe1fa5979

          SHA1

          210b9b028a4b798c837a182321dbf2e50d112816

          SHA256

          5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

          SHA512

          68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

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

          128KB

          MD5

          231ce1e1d7d98b44371ffff407d68b59

          SHA1

          25510d0f6353dbf0c9f72fc880de7585e34b28ff

          SHA256

          30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

          SHA512

          520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

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

          108KB

          MD5

          fb62cc1809d29c333c697ed4595f0c18

          SHA1

          66370ebb45aa7d660dc6be31ee98972577e96566

          SHA256

          c64e8553c0449183295934a782ebdfcbdaecb37471de4dad964c9cdbb605e5dc

          SHA512

          2a5ec5d080e8aa11b7a513210d9cf66c5cea1e29dbb4e18d7584b0db369c466136c5b21d36694df2809a1c5c9b56fdce0ee1ee141be14cd2e16b7e0b242cc2b7

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • C:\Users\Public\tghuzvtywiW.PDF
          Filesize

          123KB

          MD5

          a7bddfdf4219616140a7f1dc31bb7ac4

          SHA1

          3fb7609df094826afe13f37d8b8ecf349c44020c

          SHA256

          b862c76ba0fb075546628d43dacf20b6a8f96f342e088cd67960f3b80a10f337

          SHA512

          0ae80c7c8d1a57f7cc91ed4ba173132c36aac1a67c97d085ac06ea48715f9fe3beba058294c2f66abe81b263795b4f50c702f3eaae9871b9564300338d9aea1f

        • 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

          108KB

          MD5

          fb62cc1809d29c333c697ed4595f0c18

          SHA1

          66370ebb45aa7d660dc6be31ee98972577e96566

          SHA256

          c64e8553c0449183295934a782ebdfcbdaecb37471de4dad964c9cdbb605e5dc

          SHA512

          2a5ec5d080e8aa11b7a513210d9cf66c5cea1e29dbb4e18d7584b0db369c466136c5b21d36694df2809a1c5c9b56fdce0ee1ee141be14cd2e16b7e0b242cc2b7

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

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

          66KB

          MD5

          c116d3604ceafe7057d77ff27552c215

          SHA1

          452b14432fb5758b46f2897aeccd89f7c82a727d

          SHA256

          7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

          SHA512

          9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

        • memory/1620-119-0x0000000000690000-0x0000000000691000-memory.dmp
          Filesize

          4KB

        • memory/1620-128-0x0000000000690000-0x0000000000691000-memory.dmp
          Filesize

          4KB

        • memory/1624-67-0x00000000037D0000-0x00000000037E0000-memory.dmp
          Filesize

          64KB

        • memory/1624-138-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/1624-69-0x0000000003DB0000-0x0000000003DC2000-memory.dmp
          Filesize

          72KB

        • memory/1624-68-0x0000000003D90000-0x0000000003D9D000-memory.dmp
          Filesize

          52KB

        • memory/1624-54-0x0000000000230000-0x0000000000231000-memory.dmp
          Filesize

          4KB

        • memory/1624-66-0x0000000003CE0000-0x0000000003D3A000-memory.dmp
          Filesize

          360KB

        • memory/1624-65-0x0000000003760000-0x000000000376E000-memory.dmp
          Filesize

          56KB

        • memory/1624-63-0x0000000003260000-0x0000000003276000-memory.dmp
          Filesize

          88KB

        • memory/1624-64-0x0000000003720000-0x000000000375B000-memory.dmp
          Filesize

          236KB

        • memory/1624-59-0x0000000001F60000-0x0000000001FB8000-memory.dmp
          Filesize

          352KB

        • memory/1624-61-0x0000000001FA0000-0x0000000001FDC000-memory.dmp
          Filesize

          240KB

        • memory/1624-70-0x0000000003F20000-0x0000000003F58000-memory.dmp
          Filesize

          224KB

        • memory/1624-55-0x0000000000270000-0x000000000029C000-memory.dmp
          Filesize

          176KB

        • memory/1624-60-0x0000000001FC0000-0x000000000200F000-memory.dmp
          Filesize

          316KB

        • memory/1624-57-0x0000000000400000-0x00000000004DE000-memory.dmp
          Filesize

          888KB

        • memory/1624-156-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/1624-58-0x0000000000340000-0x000000000034B000-memory.dmp
          Filesize

          44KB

        • memory/1916-139-0x00000000001B0000-0x00000000001B1000-memory.dmp
          Filesize

          4KB

        • memory/1916-160-0x0000000000440000-0x0000000000441000-memory.dmp
          Filesize

          4KB

        • memory/1916-157-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/1916-148-0x00000000003C0000-0x00000000003C1000-memory.dmp
          Filesize

          4KB

        • memory/1916-142-0x00000000001D0000-0x00000000001D1000-memory.dmp
          Filesize

          4KB

        • memory/1916-166-0x0000000010590000-0x0000000010613000-memory.dmp
          Filesize

          524KB

        • memory/1916-167-0x0000000000400000-0x000000000041A000-memory.dmp
          Filesize

          104KB