Analysis

  • max time kernel
    95s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 01:52

General

  • Target

    5526279c4abde2d400de29e8e1c58c910a276972e81fa4e232c8ad546f62e2c3N.exe

  • Size

    92KB

  • MD5

    ce0759082c5aa5c3a73916da95c8a620

  • SHA1

    3d9f5671f9a8dc0c3ba49207931b3b2127bf45f4

  • SHA256

    5526279c4abde2d400de29e8e1c58c910a276972e81fa4e232c8ad546f62e2c3

  • SHA512

    c84179aa1607d0fcb36bb5d8bbb1d1cc1815ac1bf97362b07ca5dfe81208a6668d7ca37eb18f93ee766763f34d4b8a20bca121b55bd51cddc37b3617f287219c

  • SSDEEP

    1536:XVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:/nxwgxgfR/DVG7wBpE

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 12 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 55 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\5526279c4abde2d400de29e8e1c58c910a276972e81fa4e232c8ad546f62e2c3N.exe
    "C:\Users\Admin\AppData\Local\Temp\5526279c4abde2d400de29e8e1c58c910a276972e81fa4e232c8ad546f62e2c3N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4184
    • 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:2448
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2536
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 204
            4⤵
            • Program crash
            PID:3280
        • 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:2252
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2252 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2372
        • 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:1524
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1524 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2536 -ip 2536
      1⤵
        PID:1464

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        92KB

        MD5

        ce0759082c5aa5c3a73916da95c8a620

        SHA1

        3d9f5671f9a8dc0c3ba49207931b3b2127bf45f4

        SHA256

        5526279c4abde2d400de29e8e1c58c910a276972e81fa4e232c8ad546f62e2c3

        SHA512

        c84179aa1607d0fcb36bb5d8bbb1d1cc1815ac1bf97362b07ca5dfe81208a6668d7ca37eb18f93ee766763f34d4b8a20bca121b55bd51cddc37b3617f287219c

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

        Filesize

        471B

        MD5

        641fd00a680e2a2b7c46da9f49d4ac01

        SHA1

        91342c03f46164a5ffba758b6201387912e09026

        SHA256

        69b70d73aed768e709b4e26268d4bfbb349d3ed2d7fc7bba042a347b29f1062d

        SHA512

        004e47e9e0623bf782ad71418257088902bec47d213027287c46393d7a413d69a69fd213df1781d3c49ddde689943d5c5f3ff844fb9cc81c7eeaf331b8a4344f

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

        Filesize

        404B

        MD5

        14bc5f5a390e6c487787acd1f1ca9d35

        SHA1

        05b56969e86e2914783e4aa8174c765fb39111b4

        SHA256

        c1afac6a720118a9df4da2b3dbfddc02f057c3a6327175d77a08e701711b2ab0

        SHA512

        3f9a69594b847ad554016bebb002614b2f646631062e8b0361d6f73c17492f8eceb3f076fc08d7a1f5bdc00c1224f68f50f19704b9be61e5ba7313d406ffec13

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B448FF99-BCE2-11EF-B9B6-4E8E92B54298}.dat

        Filesize

        5KB

        MD5

        22319fe842bb92c269fa726158e553b0

        SHA1

        2164a8258ea9c844e936e6b2f8ec78d3a9197636

        SHA256

        bb6ab4e806d577707ea788586af457596ed6e644697180d0ce5c0a0825561dc8

        SHA512

        8bfa9d5dbf3679fb7c1a8d46657a393f8af1f1b35d29b3fa43e2ed7e7122f220e4baa21ce0d967e9a79a64fb9d1b58466debcd3aac923078c0bbcf823f149e99

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B44B635A-BCE2-11EF-B9B6-4E8E92B54298}.dat

        Filesize

        3KB

        MD5

        443f8333b8252b536cda8caf2f7a1474

        SHA1

        19d2babb0c50aa4d1648810a25be3ca8c925001e

        SHA256

        7cb2da992bd346aea196d8cc699b8b4efdf4a4f7ffa8efc6528b107324ff6a9b

        SHA512

        cf5ca3477471ad8616b5ee2e49481a7082de9faa178b8f1bb08648fbb950cbf0337666320b93434375aaf3fd77a33b722d9842c8d12f5e3bb380baf05e0f0075

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2100.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/2448-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2448-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2448-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2448-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2448-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2448-31-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

        Filesize

        4KB

      • memory/2448-25-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

      • memory/2448-26-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

        Filesize

        4KB

      • memory/2448-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2536-30-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

        Filesize

        4KB

      • memory/2536-29-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

        Filesize

        4KB

      • memory/4184-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4184-7-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4184-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4184-0-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4184-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4184-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4184-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4184-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4184-8-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/4184-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4184-2-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4184-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB