Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 12:43

General

  • Target

    eeac57423fed14cb119754de6adb661fdb07c3fa78cc7af41fcfc91f90a172f7.dll

  • Size

    287KB

  • MD5

    306d394cccfd7f7aa8864ff2ef9019db

  • SHA1

    0927ffe14ce2d7041e284a2ead44d62da91c4606

  • SHA256

    eeac57423fed14cb119754de6adb661fdb07c3fa78cc7af41fcfc91f90a172f7

  • SHA512

    1834ef5c580986940fba8786eec6fad9c0457f3875959240778f8c90115137377bc584c3f314a9040ef076b8e730ad3dd11dc4a95dbb3bd4ff1a756cada39f44

  • SSDEEP

    3072:fCuuNCRs/Pj03pJEEC9ti9pocimFFVW6E1fZim4v5TRRJBYeBTg4vRPW9vc/Bm6f:fCIGPj038tAgFMldWNX+2ehIRAf

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 11 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 5 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 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\eeac57423fed14cb119754de6adb661fdb07c3fa78cc7af41fcfc91f90a172f7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\eeac57423fed14cb119754de6adb661fdb07c3fa78cc7af41fcfc91f90a172f7.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2164
      • 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:2304
        • 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:4572
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4676
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 204
                6⤵
                • Program crash
                PID:2500
            • 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:708
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:708 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1732
            • 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:2804
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2804 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 616
          3⤵
          • Program crash
          PID:1156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2164 -ip 2164
      1⤵
        PID:956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4676 -ip 4676
        1⤵
          PID:4868

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          471B

          MD5

          641fd00a680e2a2b7c46da9f49d4ac01

          SHA1

          91342c03f46164a5ffba758b6201387912e09026

          SHA256

          69b70d73aed768e709b4e26268d4bfbb349d3ed2d7fc7bba042a347b29f1062d

          SHA512

          004e47e9e0623bf782ad71418257088902bec47d213027287c46393d7a413d69a69fd213df1781d3c49ddde689943d5c5f3ff844fb9cc81c7eeaf331b8a4344f

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

          Filesize

          404B

          MD5

          38b1d58cae5bc798b11b69de4abd6033

          SHA1

          425179947745ac6f15404eedb6e41c51d6593df0

          SHA256

          a6fe97920b569eb8abf1836d0c50c65a2c27580137d31dba8ee6b4a0c946674d

          SHA512

          54573263e2fd36452d3288f50e3196b8c6df702b6ef3711ed2925d08d62e4b4543375919abc1c488a3c27e607c4e7d4829d1dea0ca1cfd2698a325b305d3e856

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

          Filesize

          404B

          MD5

          e3fda87d2b7d149ce6e9f6f0b76807d8

          SHA1

          80aa352d124fb0ff5a52cac2f415f9dfcbf30ff1

          SHA256

          596ec93e0dcb4365568814de62cf1b8ca1f3dd0cba11c696bb9e64504df1cf73

          SHA512

          e27fc523a55d76bbc2615f796181f0d551d88be1759b671342970a85f5174aa119d2f26d12ba77cd73ed3292959c7a0961ad1d271f2abc5994f1918edb092bc9

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8D68E99F-BC74-11EF-A4B7-E26222BAF6A3}.dat

          Filesize

          3KB

          MD5

          34c78ba9ca54175b12794796c10aac4e

          SHA1

          9bbee7fa3921bb43afde7f932ef0f0175a9b706f

          SHA256

          ea758a15953d37f6e6d1ae8c07b9568b44b013fa41eade1815a8d78aed0504b6

          SHA512

          e60a2ab92dd6d18703e2eabb6581548d11750819869db30bc20c4d521ce9fe7b7463812b963dcfb512232858eb54835237fb26a28ad22d9682113b7237209bf4

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8D6B4C10-BC74-11EF-A4B7-E26222BAF6A3}.dat

          Filesize

          5KB

          MD5

          aac5a1e323d19bc6290b861ae46b3732

          SHA1

          9b5f19201eb300eb9cf238ac9a91d4707192a6da

          SHA256

          6c2b4fde8b17d39b1afaa48c4339ab366a213ec1f64eead83ce31f0162d8d465

          SHA512

          a830c7ff1480a9b95a790f2e13fdf8e56e5d8d56bfa4b77bae69a80004eecf17d25b82befec2405efd8619228cc68da738ee368ac44df6d38a8affe32c5d856d

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver312D.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          120KB

          MD5

          6c5a1f8cb177e400928e970bf3023e42

          SHA1

          df335cb43d37ed50cb198e35b574fe284e70134e

          SHA256

          4e79c0272252c466b18fcace7b7ec9ef1551587d560f2a9697eeba5e3a5cac6f

          SHA512

          767efe61e94933ea7799f78d6cf9d86e7b2494077295915f4a91c605a30e9685ce297d43c61b74d744038a728f91525590c2221230056e2486c79333a0179673

        • memory/2164-1-0x0000000010000000-0x000000001004C000-memory.dmp

          Filesize

          304KB

        • memory/2164-35-0x0000000010000000-0x000000001004C000-memory.dmp

          Filesize

          304KB

        • memory/2304-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2304-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2304-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2304-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

          Filesize

          4KB

        • memory/2304-4-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2304-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2304-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2304-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2304-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4572-36-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4572-31-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4572-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4572-41-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4572-28-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/4572-30-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/4572-37-0x00000000774E2000-0x00000000774E3000-memory.dmp

          Filesize

          4KB

        • memory/4572-32-0x00000000774E2000-0x00000000774E3000-memory.dmp

          Filesize

          4KB

        • memory/4676-33-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/4676-34-0x0000000000780000-0x0000000000781000-memory.dmp

          Filesize

          4KB