Analysis

  • max time kernel
    94s
  • max time network
    145s
  • 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 23:38

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 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 50 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:3692
    • 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:4404
      • 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:4528
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:1136
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 204
              5⤵
              • Program crash
              PID:2108
          • 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:1700
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1700 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2224
          • 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:2136
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2136 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1920
        2⤵
        • Program crash
        PID:3644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1136 -ip 1136
      1⤵
        PID:4324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3692 -ip 3692
        1⤵
          PID:1488

        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

          559aef0c2f9f348fd512f172096e6d1b

          SHA1

          92c0e6a85fe424e0ad17e42216b5116a2dbff00a

          SHA256

          32cd9fff664b6cc96b5989ee6e9ed853dee329fa30246d77a9ec57dcafc5309c

          SHA512

          65785b1dbe8867f43bd3a204f9ec5c3e21834ed3de76fbb4f59cd4b3716eb867574965d416a084fb98188f53a6c8f6b4bf080592868a908be87d38eeb4bb4cea

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

          Filesize

          404B

          MD5

          364d52246ecec20eb780552e7f06056f

          SHA1

          3d7f1feac727c0cb0d45df32df9f5f6598803a41

          SHA256

          ceaf899cadd30b8175615873cb940779df0fe46dd422b2879ab85696f115316a

          SHA512

          fd00325eba886c73294620749dc4b45714d2e6a55132cc34f85d5c4b25b8c8fb3f1f3e75cdece62440fee6b750a92b4af1eaf4925255146c27fa3bc2a06d820f

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{BFBB96D8-C4AB-11EF-AF2A-EE8B2F3CE00B}.dat

          Filesize

          5KB

          MD5

          b8ad6b1b2b9dc561a9f81bbd4310466d

          SHA1

          034cde9d057543cbc84f4904c0449db3d6a8f0db

          SHA256

          ffb470bbf8b44295a137ea6c1210b3f2afdb438e8544a2570ddfba144d30d0c3

          SHA512

          2f06682e06c2f10cc388bb3835a2b7d48ed251ee9121c8f5e6602d32f87b76b16678545c7df822c8b4f24ce991f221b9671f13a04e7401123e6ee4f0b9deebb8

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{BFBDF923-C4AB-11EF-AF2A-EE8B2F3CE00B}.dat

          Filesize

          3KB

          MD5

          11453cd0a85c80bf636c4c51f8cfe32d

          SHA1

          bf414087be9cea41d4b11e75770d2c7805aa5423

          SHA256

          948a3f72bc1ebd5c4ea26a13ed39ad1f8a59e3055d5b6ad58d60c91a66d84227

          SHA512

          3bf6edb730572098dac681c04ed5760c0e04e8d05b7eb4ae15e97abfc01eff4c3361ff35fa955eb69df26707748d4dd75c709f012c104b3ee14eaf1fd6332dbb

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF7C.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\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/1136-36-0x0000000000520000-0x0000000000521000-memory.dmp

          Filesize

          4KB

        • memory/1136-35-0x0000000000540000-0x0000000000541000-memory.dmp

          Filesize

          4KB

        • memory/3692-37-0x0000000000400000-0x000000000053E000-memory.dmp

          Filesize

          1.2MB

        • memory/3692-0-0x0000000000400000-0x000000000053E000-memory.dmp

          Filesize

          1.2MB

        • memory/4404-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4404-16-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4404-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4404-12-0x0000000000870000-0x0000000000871000-memory.dmp

          Filesize

          4KB

        • memory/4404-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4404-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4404-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4404-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4404-5-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/4404-6-0x0000000000401000-0x0000000000402000-memory.dmp

          Filesize

          4KB

        • memory/4528-34-0x0000000077062000-0x0000000077063000-memory.dmp

          Filesize

          4KB

        • memory/4528-41-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4528-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4528-39-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4528-38-0x0000000077062000-0x0000000077063000-memory.dmp

          Filesize

          4KB

        • memory/4528-44-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4528-30-0x00000000001E0000-0x00000000001E1000-memory.dmp

          Filesize

          4KB

        • memory/4528-31-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4528-29-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4528-33-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4528-22-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB