Analysis

  • max time kernel
    92s
  • 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
    14-01-2025 21:18

General

  • Target

    23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6.exe

  • Size

    95KB

  • MD5

    0e9026f2988641f4851a1f6fc7ffdb81

  • SHA1

    e362f3b90be4f10de448ce97a8d0a6f35fa4f466

  • SHA256

    23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6

  • SHA512

    c1c5d15d96f629bb000702765363253f474c7471f522c1d75c30ed5148bb92947fced4ffdf0a518fd8249ee23c89e360fc8488d34828309b96540b41971c5bb0

  • SSDEEP

    768:j06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:hR0vxn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • UPX packed file 15 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 4 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 45 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6.exe
    "C:\Users\Admin\AppData\Local\Temp\23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • 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:3992
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1152
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 204
            4⤵
            • Program crash
            PID:4260
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3548
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3548 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1928
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1108
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1108 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1152 -ip 1152
      1⤵
        PID:4980

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        95KB

        MD5

        0e9026f2988641f4851a1f6fc7ffdb81

        SHA1

        e362f3b90be4f10de448ce97a8d0a6f35fa4f466

        SHA256

        23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6

        SHA512

        c1c5d15d96f629bb000702765363253f474c7471f522c1d75c30ed5148bb92947fced4ffdf0a518fd8249ee23c89e360fc8488d34828309b96540b41971c5bb0

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

        Filesize

        471B

        MD5

        fdba1e1aaafa78dc1bc5319f2afb6f86

        SHA1

        5432b1fa5f940052c9f9117307b2c97a7950cab2

        SHA256

        83c001e05993c8e603aec23cc4fa21a1515943496a69e18ab4a1196294b5354d

        SHA512

        ad7a1db5d9f4ac4edc07dfaacd2dd5aa15d8e228b2e096f9add822e4be84c66db28729583f9fdd5ae4f20fe685854cf2c35ced250a19df3b001c7b563c78a13e

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

        Filesize

        404B

        MD5

        0b6e34441aa5d3c476a716d57d95a015

        SHA1

        9ea41ea3305366344f58ff92f61ef42ce3d36984

        SHA256

        2c42edb6f32caac78d009c5c13c384ba71635a68db808b8d34121f026006847f

        SHA512

        2a8e796aab17bc4b03f51af10eb8d8463e83be99b5213cc0402f4745553ea0917af9d07788ae8eab5519e8f7180a7b213dc7f0c2c7418cda4d80a6d2a4461812

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{117AF061-D2BD-11EF-B319-CE95CE932DF6}.dat

        Filesize

        3KB

        MD5

        1767c3221ca9294ee46ab766ad79c760

        SHA1

        ff14b69b0ecb8ab132fc23a6b531d6a7396d4e7b

        SHA256

        28f8d961d3d55b880dbaca1888bacfc271cbf7dd4e2da1ca350e821564b1973d

        SHA512

        d8037cbef9c23f9bd4458ff6e29264b1b190a67567f31aea4a8d6c80e92dc454d45bd3d757c36f29e8fc45178d114c5ecdad6100176b595373c8ad96ed03abfc

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{117D52C5-D2BD-11EF-B319-CE95CE932DF6}.dat

        Filesize

        5KB

        MD5

        1161e4a7131dcf94f8db08d0e428eb4d

        SHA1

        0b6292a0a34a6bf362c835bc106c214105b328ed

        SHA256

        b86f88fe889a5c58f5783d394d2cfa1599b934a758e8636d69caba0a4a049f69

        SHA512

        9fe7adde614dc4fb5519bff3cbc327a185b19fe603e81171af7f8e961c95f34fae640f3dc950ef11e986644a5b21974d1b42a0c108c232ea929111d81588c713

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1152-31-0x0000000000610000-0x0000000000611000-memory.dmp

        Filesize

        4KB

      • memory/1152-30-0x0000000000630000-0x0000000000631000-memory.dmp

        Filesize

        4KB

      • memory/3992-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3992-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3992-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3992-24-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/3992-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3992-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3992-21-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/3992-27-0x0000000077B32000-0x0000000077B33000-memory.dmp

        Filesize

        4KB

      • memory/3992-35-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3992-36-0x0000000077B32000-0x0000000077B33000-memory.dmp

        Filesize

        4KB

      • memory/3992-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3992-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4636-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4636-0-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4636-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4636-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4636-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4636-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4636-7-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/4636-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4636-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4636-2-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4636-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB