Analysis

  • max time kernel
    93s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 16:54

General

  • Target

    24e8aed0e7a75b805b589e2684e49bb1aa6c827c3d1b67dfd2b5eb1b1ce94e95N.dll

  • Size

    717KB

  • MD5

    e6caff8ce1b4d70cc599f1f47682a000

  • SHA1

    3bc72164abb926d7b18307ddb3cf56a70959391a

  • SHA256

    24e8aed0e7a75b805b589e2684e49bb1aa6c827c3d1b67dfd2b5eb1b1ce94e95

  • SHA512

    c6f18e82521183bae7a9a28218880420815dfb2d8b472a06f2a26179bd80b15b8455a670c7a684751061aa3e92ae8015160c0e2a019cda5b390437a0eb0e3faa

  • SSDEEP

    12288:LNIyZN4+Wv4PLq6Okrh9ZN/hs9DsdcCf/HmWMjP:L9TPmirh9Zdh6OOP

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\24e8aed0e7a75b805b589e2684e49bb1aa6c827c3d1b67dfd2b5eb1b1ce94e95N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\24e8aed0e7a75b805b589e2684e49bb1aa6c827c3d1b67dfd2b5eb1b1ce94e95N.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2224
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:1416
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4656
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 204
                6⤵
                • Program crash
                PID:2572
            • 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:2532
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2532 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4984
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 608
          3⤵
          • Program crash
          PID:4316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1968 -ip 1968
      1⤵
        PID:4480
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4656 -ip 4656
        1⤵
          PID:4856

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          471B

          MD5

          73d8dd7eaa8896905e31f1960f51ece1

          SHA1

          164e031603e75d95091220c5ff0d695547f6d3ae

          SHA256

          9ff75ab638fe252bd0d04aea3f0ce38270ffc8df5db9399f9ea45aaef196dddc

          SHA512

          4879585482992d7ea3ee02775b74592b06daab32a63dc7700dd4da40c45a524f3bcfc2beff928a85563f09ad0438be5b3e458bc3d0cd08ad146d416fec014a04

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          404B

          MD5

          19479567851b45a41b50a31654aa48e0

          SHA1

          8daf5a52bf34b22e4cefd6f1e2adb080c246369e

          SHA256

          cae1d4a8b724557cedec827288c3f934709a666437f7aa1092093468244ae163

          SHA512

          0a5d377be0c6941f320e65b4a39fdc00e142e71af77e0e892dda5c3c0f48446f4c8a84b9318de51a8dad1f6796b7b86c4e65377d02bc00e4af915f76f970624d

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verFE36.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          132KB

          MD5

          2613f374056a1d7e6885f1216fc85400

          SHA1

          1c41483da911afba432a5862cf59ed9449bac2e3

          SHA256

          2004c482c127e1eeeff011c498c355aa21d3049d76365f19bd01c28cde631154

          SHA512

          6a215ef6e0083163c0f0c0d22b04e131e4873df3dc98d660277103398fc7de1d1f2b1c6d14b565430eb3aeec30ae9c4a76c0ab37e53e036adff179397cef3055

        • memory/1416-35-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/1416-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1416-39-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1416-38-0x00000000777D2000-0x00000000777D3000-memory.dmp

          Filesize

          4KB

        • memory/1416-36-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1416-27-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1416-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1416-29-0x0000000000430000-0x0000000000431000-memory.dmp

          Filesize

          4KB

        • memory/1416-30-0x00000000777D2000-0x00000000777D3000-memory.dmp

          Filesize

          4KB

        • memory/1416-37-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1968-34-0x0000000010000000-0x00000000100B9000-memory.dmp

          Filesize

          740KB

        • memory/1968-1-0x0000000010000000-0x00000000100B9000-memory.dmp

          Filesize

          740KB

        • memory/2224-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2224-10-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

          Filesize

          4KB

        • memory/2224-4-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/4656-32-0x00000000009C0000-0x00000000009C1000-memory.dmp

          Filesize

          4KB

        • memory/4656-33-0x00000000009A0000-0x00000000009A1000-memory.dmp

          Filesize

          4KB