Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 04:28

General

  • Target

    80bcf58cc666e2dd39c9d0a145a9b4b433a1bd70ac9dde1e83464eda0fa7d009N.exe

  • Size

    1.2MB

  • MD5

    cc7fdb1ff2ea5000a9c331e520a07360

  • SHA1

    3c00e3be390f24a938e33ec49bef6a602dd9a1db

  • SHA256

    80bcf58cc666e2dd39c9d0a145a9b4b433a1bd70ac9dde1e83464eda0fa7d009

  • SHA512

    084138c85d290fdac1b5a47ccdf147e33451d7b702466641b5cd0320c940d0fa2beddd7fc7cd80abde5e19052663b9b3eda42120a0a2dc9c6a3ab55faee576ad

  • SSDEEP

    12288:rqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+aqoH:rnajQEPnvg6PhWDC750IH

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 55 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80bcf58cc666e2dd39c9d0a145a9b4b433a1bd70ac9dde1e83464eda0fa7d009N.exe
    "C:\Users\Admin\AppData\Local\Temp\80bcf58cc666e2dd39c9d0a145a9b4b433a1bd70ac9dde1e83464eda0fa7d009N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\80bcf58cc666e2dd39c9d0a145a9b4b433a1bd70ac9dde1e83464eda0fa7d009Nmgr.exe
      C:\Users\Admin\AppData\Local\Temp\80bcf58cc666e2dd39c9d0a145a9b4b433a1bd70ac9dde1e83464eda0fa7d009Nmgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Program Files (x86)\Microsoft\WaterMark.exe
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        3⤵
        • 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:1572
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:3124
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 208
              5⤵
              • Program crash
              PID:3448
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2884
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2884 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2044
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3932
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3932 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 1480
        2⤵
        • Program crash
        PID:2476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3124 -ip 3124
      1⤵
        PID:656
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1668 -ip 1668
        1⤵
          PID:4872

        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

          e5ade6c00eff82e29d72a64e434c59bf

          SHA1

          39f7f2422694b953c56df2951bfa90e0ecc0bd5b

          SHA256

          a53cbf629f2b9e3e7ae51aad0cf20047fe6eedffe9b13e929036ec79c7de9501

          SHA512

          63e7b8bb83431752d876866898cc39d26a1b4494eff1f28c97d3c007849a46e93ed16f893156bb35b127d4717eed390e1cd1a2230ec8742c391af04bedb3ccbb

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

          Filesize

          404B

          MD5

          3e5a8c616f53fcdd89956efde3866155

          SHA1

          5a7a097e3fe2a8cf06570889f7c8ded7ce627b3a

          SHA256

          0e6f7ff58848ceb223a9332d60581d1792064e2b40ffc20e9200e141b8dd2cd2

          SHA512

          029ceb636f0d709aecb558e3e11862d4777c17148925deca7d6191b2989bef0081dbbe1775bc41dd4927af6d0d0038a061bb3a8e50455179c4bfcbcd56007d01

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

          Filesize

          404B

          MD5

          04f7a0cfa892ba8ae8ee0a4ea6c6711d

          SHA1

          911883d76cd83dc1cb147a4f065ad2ba6ed7e3cf

          SHA256

          8108d5df5bdff738b008485fd1db42ee06e8d65e9b8bf1f79574c4d303a1ebde

          SHA512

          ea92ebcf173f462ed3ab7446aa886b1b8da1c554cdb90e856e2d3fef56a5a7317cfaa6895614da56835422cd2f2778e1f63c958d0317a00b3ed3ea12d75b746d

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D853C61F-BE8A-11EF-ADF2-D2BD7E71DA05}.dat

          Filesize

          5KB

          MD5

          8fd880dcff34f50bd08007ec0e53f369

          SHA1

          42e1d505d4e4c93149e271ebe6885c1e5dae1fdc

          SHA256

          aead87f7432f493f093cdf9ad98f4a2e00f537855fedfad0512d51180b30b028

          SHA512

          abbc91dcee5e649e9afb818f594c72d6d2988b80296e5cc33875a3e8d8b7a93ec60f9a9dbd0589b68e8e248abb63e014767d7aaf30cfc1e520e3336642d4acd7

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D85888C7-BE8A-11EF-ADF2-D2BD7E71DA05}.dat

          Filesize

          3KB

          MD5

          acdbbe6cbb8e5d28d53297c66ffa7458

          SHA1

          fac09efb072f5496ad0c524e259c26c82b680b87

          SHA256

          a23c10365b49b41ab44b748414e3f4e9b241df473316a46e4ae4886a5667b474

          SHA512

          75f398383ac130f893d1d3f0a390072291c5dd214712a71b1181f308c747c4be7023ee70f3d21fd13b3fa16475ad833cba6fd37d0a0b64ba055b18c0eebbfa26

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2F9.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Users\Admin\AppData\Local\Temp\80bcf58cc666e2dd39c9d0a145a9b4b433a1bd70ac9dde1e83464eda0fa7d009Nmgr.exe

          Filesize

          60KB

          MD5

          94f2f6ffbba8e7644668b51b39983916

          SHA1

          63357bbdf90101969117983dbc0d4ed0e713c4d7

          SHA256

          ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

          SHA512

          d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

        • memory/1572-32-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/1572-39-0x0000000077DF2000-0x0000000077DF3000-memory.dmp

          Filesize

          4KB

        • memory/1572-44-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1572-43-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1572-38-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/1572-30-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1572-29-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1572-31-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1572-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1572-33-0x0000000077DF2000-0x0000000077DF3000-memory.dmp

          Filesize

          4KB

        • memory/1668-37-0x0000000000400000-0x000000000052E000-memory.dmp

          Filesize

          1.2MB

        • memory/1668-0-0x0000000000400000-0x000000000052E000-memory.dmp

          Filesize

          1.2MB

        • memory/1972-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

          Filesize

          4KB

        • memory/1972-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1972-21-0x0000000000401000-0x0000000000404000-memory.dmp

          Filesize

          12KB

        • memory/1972-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1972-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1972-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1972-16-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1972-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1972-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1972-5-0x0000000000401000-0x0000000000404000-memory.dmp

          Filesize

          12KB

        • memory/1972-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3124-36-0x0000000001220000-0x0000000001221000-memory.dmp

          Filesize

          4KB

        • memory/3124-35-0x0000000001240000-0x0000000001241000-memory.dmp

          Filesize

          4KB