Analysis

  • max time kernel
    93s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2024, 01:28

General

  • Target

    2e7397a7fe7a8faa157f2b256ed3ac6d4e31ddfeb2a426b29eef62730d5ee08bN.dll

  • Size

    220KB

  • MD5

    af6b596b47610cc81d06e61ff6d47790

  • SHA1

    3bdf185f92f712057ef6f90291844603389ebbfb

  • SHA256

    2e7397a7fe7a8faa157f2b256ed3ac6d4e31ddfeb2a426b29eef62730d5ee08b

  • SHA512

    44a2d9e020903fae9569bc470450e59e88eabd8b3ebcec6764635a756c8d6bcaac714daf7c006a8b7ad2c11b8bc39784a1f8cbf483f3aada5e82aeb3be0e0662

  • SSDEEP

    3072:QgKKuiX63bw5dNjDh8pWVgTlFIYnT1rXk1LGYrM/OkiHfnN:BKZp3KNjVGvRr+LGJ/OkGfN

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 13 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 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 51 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\2e7397a7fe7a8faa157f2b256ed3ac6d4e31ddfeb2a426b29eef62730d5ee08bN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e7397a7fe7a8faa157f2b256ed3ac6d4e31ddfeb2a426b29eef62730d5ee08bN.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3964
      • 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:1020
        • 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:4136
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1272
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 204
                6⤵
                • Program crash
                PID:4468
            • 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:1092
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1092 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3484
            • 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:4172
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4172 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1272 -ip 1272
      1⤵
        PID:4800

      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

              e8ca6a2ac2ec222ec07fffa607b17f63

              SHA1

              9e0e52a20e9d7f8cce609cc9b02c8c0302ec838b

              SHA256

              bd92967fc30dd8e19bbfe69d2b230fc6bd1c8a6c15830e63c0187c005f4c95c0

              SHA512

              699e701e294a28346386b408a6a5f594ae7901837b0410f79028a7f733a919face1f43aa596b5d34230a31518477e95e754ae062e41a97998539e6788ae1bd1c

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

              Filesize

              404B

              MD5

              3da8d4f291d072df1bdcc006aebc14b0

              SHA1

              c21dcee4020b0d81b308b9dea94ceb4ff074c698

              SHA256

              b86839e678d3097e8d13d0c62241de2aac95fe6f018b4c053cd3ad87da1cb5ab

              SHA512

              0ae0999d22e76dde809ebc5788aecaeb50239c5d27ed05199bd2c7a8bc226ca590f4a04ebeece41b63db3f2933f63605ce650da194de52c92a67ac3937f319a9

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{ACBF0DA8-C328-11EF-B9D5-D6A59BC41F9D}.dat

              Filesize

              3KB

              MD5

              aa1c2e81e22bf96398cdf26e30d596c9

              SHA1

              a8747cb558c6bd4a1ae6114a28c3afeed25636eb

              SHA256

              7d69fe046206b77d383d9e558860d20475d88bc0a21a0387232be10c18c289ef

              SHA512

              59423c8de80bf1c22116d8dd09ab59e2274e12a3a1ef72b7ed446e8c4b459462706b06921e9a9aebe4cc378b891b00fdc4d62c16b94aaf3932a5007770285f8b

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{ACC1644B-C328-11EF-B9D5-D6A59BC41F9D}.dat

              Filesize

              5KB

              MD5

              b49fdb5e3e0b1700ab9a274f9b925bce

              SHA1

              06d76c80d6408f29c4688e6ae12e215bd8f34ff5

              SHA256

              23bb65260849b86a0d7e0efcb1e9f5fb176fd435802918334162c886628a98cc

              SHA512

              a78ca3cb84a69c033b7dfccc64581bac11e5467badb224af3cc1a51f812a7c12f1661b761eb837e4c6a79fb0efcdaea24f79e234dbd6a4af0003f21c81def507

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1AA7.tmp

              Filesize

              15KB

              MD5

              1a545d0052b581fbb2ab4c52133846bc

              SHA1

              62f3266a9b9925cd6d98658b92adec673cbe3dd3

              SHA256

              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

              SHA512

              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Windows\SysWOW64\rundll32mgr.exe

              Filesize

              103KB

              MD5

              424873689d318369e458684a7d47bf18

              SHA1

              cc85aecf385fa222d3073d2aa53dcd0b3eb62068

              SHA256

              04a22ca7674eedef61f9dac1dd7ad08460ff0c0d4e71ba34aa2469bebec8029c

              SHA512

              53e67ebd100ade88ce81477eaf54b0592da0feb461c8e63cb46420a82d3d26bac93eb75455fd745d3277a31f9d6841f356267b685fb55fe4236833a0e79bef8f

            • memory/1020-10-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1020-24-0x0000000000416000-0x0000000000420000-memory.dmp

              Filesize

              40KB

            • memory/1020-5-0x0000000000400000-0x000000000049A000-memory.dmp

              Filesize

              616KB

            • memory/1020-9-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1020-11-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1020-14-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1020-8-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1020-7-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1020-6-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/1020-25-0x0000000000401000-0x0000000000416000-memory.dmp

              Filesize

              84KB

            • memory/1272-33-0x0000000000E00000-0x0000000000E01000-memory.dmp

              Filesize

              4KB

            • memory/1272-34-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

              Filesize

              4KB

            • memory/3964-1-0x0000000010000000-0x0000000010039000-memory.dmp

              Filesize

              228KB

            • memory/4136-29-0x0000000000400000-0x000000000049A000-memory.dmp

              Filesize

              616KB

            • memory/4136-35-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

              Filesize

              4KB

            • memory/4136-36-0x0000000000070000-0x0000000000071000-memory.dmp

              Filesize

              4KB

            • memory/4136-39-0x0000000000400000-0x000000000049A000-memory.dmp

              Filesize

              616KB

            • memory/4136-40-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4136-41-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4136-26-0x0000000000470000-0x0000000000471000-memory.dmp

              Filesize

              4KB

            • memory/4136-27-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4136-30-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4136-31-0x0000000000B60000-0x0000000000B61000-memory.dmp

              Filesize

              4KB

            • memory/4136-32-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

              Filesize

              4KB