Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 14:36

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 3 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:1960
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      2⤵
        PID:1128
      • 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:2824
        • C:\Windows\system32\extrac32.exe
          extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:4688
        • 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:4796
          • 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:3592
        • 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:4388
          • 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:4948
        • 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:3304
          • 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:1404
            • C:\Windows\SysWOW64\esentutl.exe
              C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
              4⤵
                PID:2220
              • 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:4840
              • 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:3604
              • 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:4036
              • 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:760
                • 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:1548
              • C:\Windows \SysWOW64\per.exe
                "C:\\Windows \\SysWOW64\\per.exe
                4⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:1532
                • C:\Windows\SYSTEM32\esentutl.exe
                  esentutl /y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe /d C:\\Users\\Public\\pha.pif /o
                  5⤵
                    PID:3688
                  • 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:2104
                • 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:208
                • 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:1308
                • 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:4168
              • C:\Windows\SysWOW64\SndVol.exe
                C:\Windows\System32\SndVol.exe
                3⤵
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of WriteProcessMemory
                PID:1436
                • 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:3148
                • C:\Windows\SysWOW64\SndVol.exe
                  C:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\ceuhsolzfjvo"
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4772
                • C:\Windows\SysWOW64\SndVol.exe
                  C:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\eghatgwtbrotlmsq"
                  4⤵
                  • Accesses Microsoft Outlook accounts
                  • System Location Discovery: System Language Discovery
                  PID:1996
                • C:\Windows\SysWOW64\SndVol.exe
                  C:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\pankuzhvpagynsouhsk"
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2148
            • 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:3024
            • 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:4304

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_us13uryt.rpn.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\ceuhsolzfjvo

            Filesize

            4KB

            MD5

            15e28d82a9ee8a45c10bcf671fef0362

            SHA1

            2b126b086a1191cb8b4d444e87781358d51af3a4

            SHA256

            012fbb5f15d52a9560cf0e77fd36837ec2c56aff7a989d31c3d40d4f6df6cf9d

            SHA512

            3dd749523858a54e7e5ededba47d54715c9d5663dd0bd609363de7442436d1f0e924c5e4706e3ac413b79ddb6a18c796cc0ad166b4c87a3a7a6b009ba77fee82

          • 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/2104-162-0x00000297FE060000-0x00000297FE082000-memory.dmp

            Filesize

            136KB

          • memory/2220-38-0x0000000001120000-0x0000000001130000-memory.dmp

            Filesize

            64KB

          • memory/2220-61-0x0000000001550000-0x0000000001560000-memory.dmp

            Filesize

            64KB

          • memory/3304-31-0x0000000000400000-0x0000000000523000-memory.dmp

            Filesize

            1.1MB

          • memory/3304-30-0x0000000002B60000-0x0000000003B60000-memory.dmp

            Filesize

            16.0MB

          • memory/3304-28-0x0000000002B60000-0x0000000003B60000-memory.dmp

            Filesize

            16.0MB