Analysis

  • max time kernel
    92s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 23:43

General

  • Target

    824148a122e18d847a99f00084d87a3e50e8fc1d0f46033ff24b9f6c20905fe3.exe

  • Size

    1.2MB

  • MD5

    cf2e9e3d69e910eac2599413e783ceaa

  • SHA1

    3dcc6f377dbb477c868476476e02721b0ba9c6e1

  • SHA256

    824148a122e18d847a99f00084d87a3e50e8fc1d0f46033ff24b9f6c20905fe3

  • SHA512

    b71419248a30110d9c085ded3f3c17a110cb5a89de384fe4380431f3d934c1df1ff34d681f51259116d57a9aaea9f404564ae9538f075ade3982b4693f3ccb87

  • SSDEEP

    12288:mqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+N5f:mnajQEPnvg6PhWDC750L

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 12 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\824148a122e18d847a99f00084d87a3e50e8fc1d0f46033ff24b9f6c20905fe3.exe
    "C:\Users\Admin\AppData\Local\Temp\824148a122e18d847a99f00084d87a3e50e8fc1d0f46033ff24b9f6c20905fe3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Local\Temp\824148a122e18d847a99f00084d87a3e50e8fc1d0f46033ff24b9f6c20905fe3mgr.exe
      C:\Users\Admin\AppData\Local\Temp\824148a122e18d847a99f00084d87a3e50e8fc1d0f46033ff24b9f6c20905fe3mgr.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:1644
      • 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:4756
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:4540
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 204
              5⤵
              • Program crash
              PID:3928
          • 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:1944
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1944 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4596
          • 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:3476
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3476 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:5076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 1872
        2⤵
        • Program crash
        PID:5048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4540 -ip 4540
      1⤵
        PID:324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2876 -ip 2876
        1⤵
          PID:4476

        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

          54a1b1095226978313782771a5b10c00

          SHA1

          48b16839c462c31035262fb8a1b27500afa08d76

          SHA256

          1ea0e620fb67db2a70d652123f8eb51845806c023fb99cd584b2b063a30fd790

          SHA512

          b6b8f8a053395bb63477d66d8bfab4f773b2f2b64e3509e127256534a24ee108f7d259d6e934131d511ff3926fc139ecf0579967520e220985efb0607392118b

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

          Filesize

          404B

          MD5

          ffa251de924637c1d1810ead028c5290

          SHA1

          d05c7f9c8493d5ac28541ec732857ec733a3dc67

          SHA256

          571b508d6d4d029e9ac290588632216ee7f83286514b15e842e27fab0b122be4

          SHA512

          6cf274eb3e5878f22c0976f7185a5926c7b2349902d4a3fc0b6b32dcf4d8eb5e6705d4bd8f7a062aa2e1d1acc55e5d151b9380c2c284dcc9861af7621a30497b

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

          Filesize

          404B

          MD5

          f5c29cf786b3c72521cd231ed31799c9

          SHA1

          b118e0c97ed825a676b978778cf5aa22009eadf5

          SHA256

          920d377831b2550a6a4620d4e1c0dbb3c2b251044b343144e7c0021b1d5068d1

          SHA512

          a2d08ef24620e02c1118b1e64895ddc93eaf7e4a0a706f5713676916cffc70089b8e8492d52a419ce7d45a05cefe94871495866949a8a0f8f5e53245191634c7

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6E64E20E-C4AC-11EF-BDBF-FA89EA07D49F}.dat

          Filesize

          3KB

          MD5

          0bb21f4bb9ec97688cd6e6cb7ed1109f

          SHA1

          bb13796a15ab17d3bd3e27fe7f7db4a41e45c546

          SHA256

          83844ed6a5e8868adab43c6c384790d69b81cc88203d9730b0e66987e77f15ac

          SHA512

          96bf4a5d01e6a4872de053dafd48550ecc2ef4bc096b82f55b7303915a9498e9d4b03a53fe54c540f4b367a5b79f9c0d8219c4ba6dfd8d4d821419e4fa349add

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6E6743D8-C4AC-11EF-BDBF-FA89EA07D49F}.dat

          Filesize

          5KB

          MD5

          191ba14984f5df91b6b3d8dae1ac77a1

          SHA1

          b8e629a4d07624a40c60d57a905e74367045eef1

          SHA256

          e2f8da6ab38bd6ba9e28c8fc895265a533cd84d0fa527101308b8ba737892a3e

          SHA512

          fee5b271f983d3e2c99759fd0d76da3fd146a32c15402ab2c3db26b0457e931a20469e684a2228d08a424cc3ddd7ed4dbe9778bbe4c9683d64503d03f590f24b

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2A38.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Users\Admin\AppData\Local\Temp\824148a122e18d847a99f00084d87a3e50e8fc1d0f46033ff24b9f6c20905fe3mgr.exe

          Filesize

          124KB

          MD5

          421e3905d6d9af7edf2611872961a5ee

          SHA1

          b1000eecdc813d8619199206683dabfbcde32fed

          SHA256

          21aac2e25963becc17df175c09a705b01c82880e352e9001740a1cd77330e994

          SHA512

          8362c946440a8be521a89053711a1b70c10ff957946f83caa4aeb5637c5981dd478caad3047b1e9849e99afab4453af522800dae9acc1325ec95cecdc54fa752

        • memory/1644-16-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1644-11-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1644-4-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1644-6-0x0000000000401000-0x0000000000402000-memory.dmp

          Filesize

          4KB

        • memory/1644-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1644-17-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1644-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1644-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1644-12-0x0000000002C60000-0x0000000002C61000-memory.dmp

          Filesize

          4KB

        • memory/1644-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1644-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2876-0-0x0000000000400000-0x000000000053E000-memory.dmp

          Filesize

          1.2MB

        • memory/2876-37-0x0000000000400000-0x000000000053E000-memory.dmp

          Filesize

          1.2MB

        • memory/4540-36-0x0000000000950000-0x0000000000951000-memory.dmp

          Filesize

          4KB

        • memory/4540-35-0x0000000000970000-0x0000000000971000-memory.dmp

          Filesize

          4KB

        • memory/4756-39-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4756-27-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/4756-43-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4756-44-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4756-40-0x0000000076F02000-0x0000000076F03000-memory.dmp

          Filesize

          4KB

        • memory/4756-38-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4756-31-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4756-32-0x0000000076F02000-0x0000000076F03000-memory.dmp

          Filesize

          4KB

        • memory/4756-30-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB