Analysis

  • max time kernel
    128s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03/06/2024, 17:50

General

  • Target
    Delta V3.61 b_43629986.exe
  • Size 9.5MB
  • Sample240603-we2e8aea9x
  • SHA256 76eee256f1223082e8396611baca498542c656edd0fac5fe903e06e6cb5677e2
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10

Malware Config

Signatures

  • Checks for any installed AV software in registry 1 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 4 IoCs
  • Enumerates processes with tasklist 1 TTPs 4 IoCs
  • Modifies registry class 3 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Delta V3.61 b_43629986.exe
    "C:\Users\Admin\AppData\Local\Temp\Delta V3.61 b_43629986.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3652
    • C:\Users\Admin\AppData\Local\setup43629986.exe
      C:\Users\Admin\AppData\Local\setup43629986.exe hhwnd=262704 hreturntoinstaller hextras=id:d8d090d10951db6-AU-KA1rz
      2⤵
      • Checks for any installed AV software in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\OfferInstaller.exe
        "C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\OfferInstaller.exe"
        3⤵
        • Executes dropped EXE
        PID:2924
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\H2OCleanup.bat""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1912
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist /FI "PID eq 2924" /fo csv
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3704
          • C:\Windows\SysWOW64\find.exe
            find /I "2924"
            5⤵
              PID:2096
            • C:\Windows\SysWOW64\timeout.exe
              timeout 1
              5⤵
              • Delays execution with timeout.exe
              PID:2732
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist /FI "PID eq 2924" /fo csv
              5⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:304
            • C:\Windows\SysWOW64\find.exe
              find /I "2924"
              5⤵
                PID:828
              • C:\Windows\SysWOW64\timeout.exe
                timeout 1
                5⤵
                • Delays execution with timeout.exe
                PID:4836
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "PID eq 2924" /fo csv
                5⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:4176
              • C:\Windows\SysWOW64\find.exe
                find /I "2924"
                5⤵
                  PID:1612
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 5
                  5⤵
                  • Delays execution with timeout.exe
                  PID:2748
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\H2OCleanup.bat""
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4404
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "PID eq 4060" /fo csv
                4⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:3872
              • C:\Windows\SysWOW64\find.exe
                find /I "4060"
                4⤵
                  PID:3840
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 5
                  4⤵
                  • Delays execution with timeout.exe
                  PID:3464
            • C:\Users\Admin\AppData\Local\setup43629986.exe
              C:\Users\Admin\AppData\Local\setup43629986.exe hready
              2⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:2016
            • C:\Windows\SysWOW64\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\link.txt
              2⤵
              • Opens file in notepad (likely ransom note)
              PID:3740

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                GenericSetup.LastScreen.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\GenericSetup.LastScreen.dll
                • Size 57KB
                • SHA256 6a30f9c604c4012d1d2e1ba075213c378afb1bfcb94276de7995ed7bbf492859
                • MD5 SHA1 SHA512 SSDEEP

                GenericSetup.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\GenericSetup.dll
                • Size 117KB
                • SHA256 11c6a8470a3f2b2be9b8cafe5f9a0afce7303bfd02ab783a0f0ee09a184649fa
                • MD5 SHA1 SHA512 SSDEEP

                H2ODAL.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\H2ODAL.dll
                • Size 15KB
                • SHA256 723aea78755292d2f4f87ad100a99b37bef951b6b40b62e2e2bbd4df3346d528
                • MD5 SHA1 SHA512 SSDEEP

                H2OUtilities.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\H2OUtilities.dll
                • Size 119KB
                • SHA256 669c812cb8f09799083014a199b0deee10237c95fb49ee107376b952fee5bd89
                • MD5 SHA1 SHA512 SSDEEP

                H2OViewModels.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\H2OViewModels.dll
                • Size 8KB
                • SHA256 c202e4f92b792d34cb6859361aebdbfc8c61cf9e735edfd95e825839920fb88a
                • MD5 SHA1 SHA512 SSDEEP

                MyDownloader.Core.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\MyDownloader.Core.dll
                • Size 56KB
                • SHA256 1c1c5330ea35f518bf85fad69dc2da1a98a4dfeadbf6ac0ba0ac7cc51bbcc870
                • MD5 SHA1 SHA512 SSDEEP

                MyDownloader.Extension.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\MyDownloader.Extension.dll
                • Size 168KB
                • SHA256 c3f8a46e81f16bbfc75de44dc95f0d145213c8af0006bb097950ac4d1562f5ce
                • MD5 SHA1 SHA512 SSDEEP

                OfferPage.html

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\Resources\OfferPage.html
                • Size 1KB
                • SHA256 2ad742b544e72c245f4e9c2e69f989486222477c7eb06e85d28492bd93040941
                • MD5 SHA1 SHA512

                Config.tis

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\Resources\tis\Config.tis
                • Size 291B
                • SHA256 98f22fb45530506548ae320c32ee4939d27017481d2ad0d784aa5516f939545b
                • MD5 SHA1 SHA512

                SciterWrapper.dll

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\SciterWrapper.dll
                • Size 134KB
                • SHA256 69fe749457218ec9a765f9aac74caf6d4f73084cf5175d3fd1e4f345af8b3b8b
                • MD5 SHA1 SHA512 SSDEEP

                app.ico

                • Path C:\Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\app.ico
                • Size 766B
                • SHA256 effd42c5e471ea3792f12538bf7c982a5cda4d25bfbffaf51eed7e09035f4508
                • MD5 SHA1 SHA512

                setup43629986.exe

                • Path C:\Users\Admin\AppData\Local\setup43629986.exe
                • Size 3.8MB
                • SHA256 cc70b093a19610e9752794d757aec9ef07ca862ea9267ec6f9cc92b2aa882c72
                • MD5 SHA1 SHA512 SSDEEP

                H2OCommonResources.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\H2OCommonResources.dll
                • Size 5.7MB
                • SHA256 c2ba8645c5c9507d422961ceaeaf422adf6d378c2a7c02199ed760fb37a727f2
                • MD5 SHA1 SHA512 SSDEEP

                H2OModels.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\H2OModels.dll
                • Size 75KB
                • SHA256 b23b8310265c14d7e530b80defc6d39cdc638c07d07cd2668e387863c463741d
                • MD5 SHA1 SHA512 SSDEEP

                H2OResources.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\H2OResources.dll
                • Size 19KB
                • SHA256 1eb0795b1928f6b0459199dace5affdc0842b6fba87be53ca108661275df2f3e
                • MD5 SHA1 SHA512 SSDEEP

                H2OServices.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\H2OServices.dll
                • Size 160KB
                • SHA256 17d737175d50eee97ac1c77db415fe25cc3c7a3871b65b93cc3fad63808a9abc
                • MD5 SHA1 SHA512 SSDEEP

                HtmlAgilityPack.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\HtmlAgilityPack.dll
                • Size 154KB
                • SHA256 23056f14edb6e0afc70224d65de272a710b5d26e6c3b9fe2dfd022073050c59f
                • MD5 SHA1 SHA512 SSDEEP

                Newtonsoft.Json.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\Newtonsoft.Json.dll
                • Size 541KB
                • SHA256 56032ade45ccf8f4c259a2e57487124cf448a90bca2eeb430da2722d9e109583
                • MD5 SHA1 SHA512 SSDEEP

                Ninject.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\Ninject.dll
                • Size 133KB
                • SHA256 3043a65f11ac204e65bca142ff4166d85f1b22078b126b806f1fecb2a315c701
                • MD5 SHA1 SHA512 SSDEEP

                OfferSDK.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\OfferSDK.dll
                • Size 172KB
                • SHA256 9310a58f26be8bd453cde5ca6aa05042942832711fbdeb5430a2840232bfa5e4
                • MD5 SHA1 SHA512 SSDEEP

                ServiceHide.Net.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\ServiceHide.Net.dll
                • Size 101KB
                • SHA256 56db33c0962b3c34cba5279d2441bc4c12f28b569eadc1b3885dd0951b2c4020
                • MD5 SHA1 SHA512 SSDEEP

                ServiceHide.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\ServiceHide.dll
                • Size 151KB
                • SHA256 e77e0b4f2762f76a3eaaadf5a3138a35ec06ece80edc4b3396de7a601f8da1b3
                • MD5 SHA1 SHA512 SSDEEP

                msvcp140.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\msvcp140.dll
                • Size 426KB
                • SHA256 51398691feef7ae0a876b523aec47c4a06d9a1ee62f1a0aee27de6d6191c68ad
                • MD5 SHA1 SHA512 SSDEEP

                vcruntime140.dll

                • Path \Users\Admin\AppData\Local\Temp\ec05d89197b949eb6957b79472e8723d\vcruntime140.dll
                • Size 74KB
                • SHA256 9faeaa45e8cc986af56f28350b38238b03c01c355e9564b849604b8d690919c5
                • MD5 SHA1 SHA512 SSDEEP

                memory/4060-176-0x0000000006280000-0x000000000628A000-memory.dmp

                memory/4060-182-0x0000000006710000-0x0000000006A60000-memory.dmp

                memory/4060-110-0x0000000005550000-0x0000000005558000-memory.dmp

                memory/4060-54-0x0000000005380000-0x00000000053A8000-memory.dmp

                memory/4060-94-0x0000000005520000-0x0000000005544000-memory.dmp

                memory/4060-46-0x0000000005350000-0x0000000005374000-memory.dmp

                memory/4060-144-0x0000000005C10000-0x0000000005C22000-memory.dmp

                memory/4060-86-0x0000000005470000-0x000000000548A000-memory.dmp

                memory/4060-78-0x00000000054B0000-0x00000000054E2000-memory.dmp

                memory/4060-39-0x0000000071960000-0x000000007204E000-memory.dmp

                memory/4060-171-0x0000000006300000-0x000000000638C000-memory.dmp

                memory/4060-102-0x0000000005430000-0x000000000543A000-memory.dmp

                memory/4060-180-0x00000000066E0000-0x0000000006702000-memory.dmp

                memory/4060-62-0x00000000053E0000-0x000000000540E000-memory.dmp

                memory/4060-37-0x0000000002D20000-0x0000000002D34000-memory.dmp

                memory/4060-188-0x0000000006BD0000-0x0000000006BDC000-memory.dmp

                memory/4060-191-0x00000000070F0000-0x00000000075EE000-memory.dmp

                memory/4060-128-0x0000000005500000-0x000000000551D000-memory.dmp

                memory/4060-236-0x0000000006E10000-0x0000000006EA2000-memory.dmp

                memory/4060-213-0x0000000007BB0000-0x0000000008164000-memory.dmp

                memory/4060-248-0x0000000006B60000-0x0000000006B8E000-memory.dmp

                memory/4060-70-0x0000000005440000-0x0000000005468000-memory.dmp

                memory/4060-118-0x00000000055A0000-0x00000000055CC000-memory.dmp

                memory/4060-18-0x0000000000630000-0x0000000000A08000-memory.dmp

                memory/4060-17-0x000000007196E000-0x000000007196F000-memory.dmp

                memory/4060-289-0x0000000071960000-0x000000007204E000-memory.dmp