Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 14:06

General

  • Target

    cliente 127271655._PDF.cmd

  • Size

    5.6MB

  • MD5

    270d320fe9e53219f111468d9cb0f92f

  • SHA1

    c02e58981e9932189bcbec20344270d3676bf359

  • SHA256

    26de9f9d639c231fcb2ffd7d3462eb413a73f80530bce4c85688fe01dc14e5a2

  • SHA512

    22c8452d5a049411c60407aca185a1a16d9782843b996175a11e0b6ba8906785815de03bbe9a86cc276824fce8bea563ca091a64108653d5acb910a5b5976f78

  • SSDEEP

    49152:0rD9Wg1J/2S0Z2OMLd85zX6itUpxYGOH2Gm8:1

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 18 IoCs
  • Loads dropped DLL 1 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\cliente 127271655._PDF.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      2⤵
        PID:4532
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2816
        • C:\Windows\system32\extrac32.exe
          extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:2004
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\cliente 127271655._PDF.cmd" "C:\\Users\\Public\\Host.GIF" 3
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:232
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\cliente 127271655._PDF.cmd" "C:\\Users\\Public\\Host.GIF" 3
            3⤵
            • Executes dropped EXE
            PID:2712
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Host.GIF" "C:\\Users\\Public\\Libraries\\Host.COM" 10
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2720
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Host.GIF" "C:\\Users\\Public\\Libraries\\Host.COM" 10
            3⤵
            • Executes dropped EXE
            PID:4884
        • C:\Users\Public\Libraries\Host.COM
          C:\Users\Public\Libraries\Host.COM
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2528
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\atyxuuaS.cmd" "
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2152
            • C:\Windows\SysWOW64\esentutl.exe
              C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
              4⤵
                PID:4948
              • C:\Windows\SysWOW64\esentutl.exe
                C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\ping.exe /d C:\\Users\\Public\\xpha.pif /o
                4⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                PID:2448
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows "
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:2648
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows \SysWOW64"
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1192
              • C:\Users\Public\alpha.pif
                C:\\Users\\Public\\alpha.pif /c C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2184
                • C:\Users\Public\xpha.pif
                  C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3936
              • C:\Windows \SysWOW64\per.exe
                "C:\\Windows \\SysWOW64\\per.exe
                4⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:4336
                • C:\Windows\SYSTEM32\esentutl.exe
                  esentutl /y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe /d C:\\Users\\Public\\pha.pif /o
                  5⤵
                    PID:3572
                  • C:\Users\Public\pha.pif
                    C:\\Users\\Public\\pha.pif -WindowStyle hidden -Command Add-MpPreference -ExclusionExtension '.exe','bat','.pif'
                    5⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2816
                • C:\Users\Public\alpha.pif
                  C:\\Users\\Public\\alpha.pif /c del "C:\Users\Public\xpha.pif"
                  4⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:264
                • C:\Users\Public\alpha.pif
                  C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \SysWOW64
                  4⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:2908
                • C:\Users\Public\alpha.pif
                  C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \"
                  4⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3460
              • C:\Windows\SysWOW64\colorcpl.exe
                C:\Windows\System32\colorcpl.exe
                3⤵
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of WriteProcessMemory
                PID:3576
                • C:\Windows\SysWOW64\colorcpl.exe
                  C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\toprgjyxqndkqcofjbozshjbtzo"
                  4⤵
                    PID:3484
                  • C:\Windows\SysWOW64\colorcpl.exe
                    C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\toprgjyxqndkqcofjbozshjbtzo"
                    4⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4764
                  • C:\Windows\SysWOW64\colorcpl.exe
                    C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\wrckybirevvpaicjsmbavuekufgnuec"
                    4⤵
                    • Accesses Microsoft Outlook accounts
                    • System Location Discovery: System Language Discovery
                    PID:4608
                  • C:\Windows\SysWOW64\colorcpl.exe
                    C:\Windows\SysWOW64\colorcpl.exe /stext "C:\Users\Admin\AppData\Local\Temp\glhuzutssdnudoynjxncgzzbdupwnpterq"
                    4⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4864
                  • C:\Users\Admin\AppData\Local\Temp\bin.exe
                    "C:\Users\Admin\AppData\Local\Temp\bin.exe"
                    4⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2620
              • C:\Users\Public\alpha.exe
                C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
                2⤵
                • Executes dropped EXE
                PID:4756
              • C:\Users\Public\alpha.exe
                C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Host.GIF" / A / F / Q / S
                2⤵
                • Executes dropped EXE
                PID:3000

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3jn1w5mv.vip.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • C:\Users\Admin\AppData\Local\Temp\bin.exe

              Filesize

              266KB

              MD5

              3444544db4f734b7c1010cbb5346e543

              SHA1

              ab526ed65cac137a57fc6eb1b568ca3ca9c752be

              SHA256

              68321f6f080154e08ddc81d5e54ae699d5174a82b8c8818d0af1f072536128aa

              SHA512

              1d2d6913d5a4bc8cef69054fb1dfcc7459aecc43ec595a0abe0dcf752f759290e5537b351d8d02ef2ca698fd7a436fb11516d746d7cb11f3eb220647de80157d

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

              Filesize

              4KB

              MD5

              c7ac5a21cac5bd5580a6e28112212613

              SHA1

              0a256177c387053fec680e599bcb63729a16c161

              SHA256

              89e0e7dc8ad418f8613610b71d0c140247e26a5f9a453ee255b1467fb80f15ff

              SHA512

              753675a75b643132e50175d67589a3952cb5154a7e51c11883b2e28bf4fe406afbaed88e61575cc114156e41ed5c587b0f76845e6d20ddf922e775bfff3f0b43

            • C:\Users\Public\Host.GIF

              Filesize

              3.8MB

              MD5

              dbadc84c79ad99648fcc861b2d1f23bb

              SHA1

              103f9b2416866d7c26c51780917af3b6ad512e2f

              SHA256

              c4aae4ef30e1efc8bf6d2fbe76c4fcdabd68850528fa7645ec94fa8f208ccfa0

              SHA512

              65d484c3b3f4d1870a20c818d69d1f0440cd3e3ed15081c86c73fe2ad35c29c6051ddc74ab6fec64da070b1730a7f5e47102f1583501a66ac1d44854a30b862c

            • C:\Users\Public\Libraries\Host.COM

              Filesize

              1.1MB

              MD5

              f6e0d70dc34ee74de127f1e91034f628

              SHA1

              fc2757b99a70d41883569a66be9dbe82eae1509a

              SHA256

              372ffe710f1f0f2ca2df812978ecba38cec08382d6346cbb4e05e760e951f78e

              SHA512

              436e5703c7d32af66cfd4f380842157f6f929c66043886918c321579411b71027d3fd549fd27a2d1925d35962fc0c0b8ac1c5ca1cbb66d9a64963c70ddd7fbaa

            • C:\Users\Public\Libraries\atyxuuaS.cmd

              Filesize

              60KB

              MD5

              b87f096cbc25570329e2bb59fee57580

              SHA1

              d281d1bf37b4fb46f90973afc65eece3908532b2

              SHA256

              d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

              SHA512

              72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

            • C:\Users\Public\alpha.exe

              Filesize

              283KB

              MD5

              8a2122e8162dbef04694b9c3e0b6cdee

              SHA1

              f1efb0fddc156e4c61c5f78a54700e4e7984d55d

              SHA256

              b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

              SHA512

              99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

            • C:\Users\Public\alpha.pif

              Filesize

              231KB

              MD5

              d0fce3afa6aa1d58ce9fa336cc2b675b

              SHA1

              4048488de6ba4bfef9edf103755519f1f762668f

              SHA256

              4d89fc34d5f0f9babd022271c585a9477bf41e834e46b991deaa0530fdb25e22

              SHA512

              80e127ef81752cd50f9ea2d662dc4d3bf8db8d29680e75fa5fc406ca22cafa5c4d89ef2eac65b486413d3cdd57a2c12a1cb75f65d1e312a717d262265736d1c2

            • C:\Users\Public\kn.exe

              Filesize

              1.6MB

              MD5

              bd8d9943a9b1def98eb83e0fa48796c2

              SHA1

              70e89852f023ab7cde0173eda1208dbb580f1e4f

              SHA256

              8de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2

              SHA512

              95630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b

            • C:\Users\Public\pha.pif

              Filesize

              442KB

              MD5

              04029e121a0cfa5991749937dd22a1d9

              SHA1

              f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

              SHA256

              9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

              SHA512

              6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

            • C:\Users\Public\xpha.pif

              Filesize

              18KB

              MD5

              b3624dd758ccecf93a1226cef252ca12

              SHA1

              fcf4dad8c4ad101504b1bf47cbbddbac36b558a7

              SHA256

              4aaa74f294c15aeb37ada8185d0dead58bd87276a01a814abc0c4b40545bf2ef

              SHA512

              c613d18511b00fa25fc7b1bdde10d96debb42a99b5aaab9e9826538d0e229085bb371f0197f6b1086c4f9c605f01e71287ffc5442f701a95d67c232a5f031838

            • C:\Windows \SysWOW64\NETUTILS.dll

              Filesize

              115KB

              MD5

              c5db31551cb21105e3f0b3e467b91cc7

              SHA1

              c66fd7732973d9803ba0fd4323e8507876892310

              SHA256

              3fa23d8f7b7eeac6443e107bd70d0c6371afc1f8082d3d58fffd8685cf9e2193

              SHA512

              6d1ee4b55fb74dc093f52caf1e093ec2742af263ff8fa264cd61eea48c021c3438150ba12a8e9d694e7246fe296ea011d8b6313e8ee4476a63c7072c2990685e

            • C:\Windows \SysWOW64\per.exe

              Filesize

              94KB

              MD5

              869640d0a3f838694ab4dfea9e2f544d

              SHA1

              bdc42b280446ba53624ff23f314aadb861566832

              SHA256

              0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

              SHA512

              6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

            • memory/2528-28-0x0000000002C60000-0x0000000003C60000-memory.dmp

              Filesize

              16.0MB

            • memory/2528-31-0x0000000000400000-0x0000000000523000-memory.dmp

              Filesize

              1.1MB

            • memory/2528-29-0x0000000002C60000-0x0000000003C60000-memory.dmp

              Filesize

              16.0MB

            • memory/2816-162-0x000001A77B6E0000-0x000001A77B702000-memory.dmp

              Filesize

              136KB

            • memory/4948-61-0x00000000014B0000-0x00000000014C0000-memory.dmp

              Filesize

              64KB

            • memory/4948-38-0x0000000001070000-0x0000000001080000-memory.dmp

              Filesize

              64KB