Analysis

  • max time kernel
    133s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 05:43

General

  • Target
    797cd2ef5bc6b5b41f8508e8d3051120_NeikiAnalytics.dll
  • Size 157KB
  • Sample240531-gemjqsgh71
  • SHA256 ba0b188e2d49247864e1c709aa9b1467f57a2c73b484418217c1ad678f8645bc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 5 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Program crash 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 5 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\797cd2ef5bc6b5b41f8508e8d3051120_NeikiAnalytics.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\797cd2ef5bc6b5b41f8508e8d3051120_NeikiAnalytics.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:5096
        • C:\Windows\SysWOW64\rundll32mgrmgr.exe
          C:\Windows\SysWOW64\rundll32mgrmgr.exe
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious use of UnmapMainImage
          PID:2108
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:4488
          • C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe
            "C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Suspicious use of UnmapMainImage
            • Suspicious use of WriteProcessMemory
            PID:4528
            • C:\Program Files (x86)\Microsoft\WaterMark.exe
              "C:\Program Files (x86)\Microsoft\WaterMark.exe"
              6⤵
              • Executes dropped EXE
              • Drops file in Program Files directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of UnmapMainImage
              • Suspicious use of WriteProcessMemory
              PID:1496
              • C:\Windows\SysWOW64\svchost.exe
                C:\Windows\system32\svchost.exe
                7⤵
                  PID:4276
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 208
                    8⤵
                    • Program crash
                    PID:4144
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe"
                  7⤵
                  • Modifies Internet Explorer settings
                  PID:3480
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe"
                  7⤵
                  • Modifies Internet Explorer settings
                  PID:2624
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\system32\svchost.exe
              5⤵
                PID:5080
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 204
                  6⤵
                  • Program crash
                  PID:5060
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe"
                5⤵
                • Modifies Internet Explorer settings
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:4360
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4360 CREDAT:17410 /prefetch:2
                  6⤵
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:3012
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe"
                5⤵
                • Modifies Internet Explorer settings
                PID:60
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 812
            3⤵
            • Program crash
            PID:4976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5080 -ip 5080
        1⤵
          PID:1804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4276 -ip 4276
          1⤵
            PID:1184
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3764,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=1280 /prefetch:8
            1⤵
              PID:1184
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2184 -ip 2184
              1⤵
                PID:1152

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                    • Size 471B
                    • SHA256 fc0c60c571c30a39ce618b280cdede4a1837d2be33dfe2a4a3413c92a731b6e5
                    • MD5 SHA1 SHA512

                    7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                    • Size 404B
                    • SHA256 790a987651fa54d1bd6f43854e41acb20ea4f9f27521efdf1334a2594887030d
                    • MD5 SHA1 SHA512

                    suggestions[1].en-US

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YOJF4VYG\suggestions[1].en-US
                    • Size 17KB
                    • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                    • MD5 SHA1 SHA512 SSDEEP

                    rundll32mgr.exe

                    • Path C:\Windows\SysWOW64\rundll32mgr.exe
                    • Size 122KB
                    • SHA256 ea49164b416d1b900f80a14f30295ea7d546483a0d7ba8b3a9e48dbcb48a3dc5
                    • MD5 SHA1 SHA512 SSDEEP

                    rundll32mgrmgr.exe

                    • Path C:\Windows\SysWOW64\rundll32mgrmgr.exe
                    • Size 59KB
                    • SHA256 6b20b420e84a30df810d52a9b205a3af0f46cafe82bf378867542f15eb64461e
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/1496-66-0x0000000000400000-0x0000000000433000-memory.dmp

                    memory/1496-68-0x0000000000060000-0x0000000000061000-memory.dmp

                    memory/1496-69-0x0000000020010000-0x0000000020022000-memory.dmp

                    memory/2108-28-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/2108-12-0x0000000000400000-0x0000000000423000-memory.dmp

                    memory/2184-6-0x00000000005F0000-0x00000000005F1000-memory.dmp

                    memory/2184-5-0x00000000005E0000-0x00000000005E1000-memory.dmp

                    memory/2184-2-0x0000000010000000-0x000000001002B000-memory.dmp

                    memory/2184-8-0x00000000774F2000-0x00000000774F3000-memory.dmp

                    memory/4488-55-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/4488-70-0x0000000000070000-0x0000000000071000-memory.dmp

                    memory/4488-72-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/4488-36-0x0000000000400000-0x0000000000433000-memory.dmp

                    memory/4488-46-0x00000000001E0000-0x00000000001E1000-memory.dmp

                    memory/4488-57-0x00000000774F2000-0x00000000774F3000-memory.dmp

                    memory/4528-56-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5080-65-0x0000000000C70000-0x0000000000C71000-memory.dmp

                    memory/5080-64-0x0000000000C90000-0x0000000000C91000-memory.dmp

                    memory/5096-15-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5096-18-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5096-19-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5096-24-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5096-13-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5096-14-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5096-25-0x00000000008B0000-0x00000000008B1000-memory.dmp

                    memory/5096-16-0x0000000000400000-0x0000000000421000-memory.dmp

                    memory/5096-7-0x0000000000400000-0x0000000000433000-memory.dmp