Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 20:13

General

  • Target

    5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844.exe

  • Size

    92KB

  • MD5

    e27c87aed3b3ff74fb72ce552af7965e

  • SHA1

    245fb72a87da6551cacc7503f7a95e72a1e1f3d8

  • SHA256

    5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844

  • SHA512

    79a1b783197d1b955c9df5ae5f7d74173b267de57d97ffd2532bdb44944859c4fdcaf674add606f8b26ea99a60b13ea84aa237fa6689f150b75ca45ce59f1b09

  • SSDEEP

    1536:XVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEd:/nxwgxgfR/DVG7wBpEd

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 51 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\5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844.exe
    "C:\Users\Admin\AppData\Local\Temp\5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4584
    • 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:3988
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2884
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 204
            4⤵
            • Program crash
            PID:4320
        • 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:1520
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1520 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2840
        • 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:3184
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3184 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2884 -ip 2884
      1⤵
        PID:1772

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        92KB

        MD5

        e27c87aed3b3ff74fb72ce552af7965e

        SHA1

        245fb72a87da6551cacc7503f7a95e72a1e1f3d8

        SHA256

        5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844

        SHA512

        79a1b783197d1b955c9df5ae5f7d74173b267de57d97ffd2532bdb44944859c4fdcaf674add606f8b26ea99a60b13ea84aa237fa6689f150b75ca45ce59f1b09

      • 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

        5cb3754d9bed6698be154b3c2006ae62

        SHA1

        c9bb9c28f1121d0cd3f62b1cfbfae1a4c0327e4c

        SHA256

        d72316fb82409ca223660935fad64f35641afed3db1e6654012639eea6043b2e

        SHA512

        202c811b50563e0cf09eb6448588abfd43e885bb104f8f6b46cddac9cbc424e9cdb2060ac1a197b85a7d2b68aa2c3c72602045aa39fa6291728adc21ab9b2677

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

        Filesize

        404B

        MD5

        29577eabb2354e279de6b3e15f08e813

        SHA1

        5aed6f3fc98e214a54dfffe6dcd4c0f718e7b029

        SHA256

        b2aa76891a4f32d8dd8ffabe7354d0cf0e34f1f3b533922438bf41628ca8cecd

        SHA512

        ec8e277bd357ae36382865bc519f9a599c75df96b6b29c64019b2bc091a8d3cd550019b98456336e54c145bd9d452ac328ab04a19dbfe153efb260c8bb0cea92

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6523C0DC-BCB3-11EF-91C3-E24E87F0D14E}.dat

        Filesize

        5KB

        MD5

        8d0bf229f850589a6f8b019f8ff2d008

        SHA1

        d2015abe485ecca11f56ec07483b82528c087121

        SHA256

        d3e441abfd64e7e831018435ac0aec1ef9575c7723e652a90d2f8302790c0171

        SHA512

        b2476817d8fbdc6c22ee180f96cd08e71d288c34cb019bbb2de00b6d95f5803335a86e00631f20e558977fe4f4a3a1727dc2c5598071a40bf6a22bf78ca8e5c3

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{652622C4-BCB3-11EF-91C3-E24E87F0D14E}.dat

        Filesize

        3KB

        MD5

        7fb43e2cb2a32460c8c06c4485e08376

        SHA1

        df20981d8d8e93ec7327a1dda41332d66443e350

        SHA256

        1bdd67a76ad22d1ca9a4eec1c051a7968a4842b383438212869e0ae9da2d740e

        SHA512

        45b8ec9ae1e53d41f0e3ac9c91cad33bbfe8cff77a0f19e5539b452514d11eed66ff80144a694f2413708ce2f3889601225513c42ad40be2d377c9dd0bc54418

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver175B.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/2884-30-0x0000000001060000-0x0000000001061000-memory.dmp

        Filesize

        4KB

      • memory/2884-31-0x0000000001040000-0x0000000001041000-memory.dmp

        Filesize

        4KB

      • memory/3988-32-0x0000000077122000-0x0000000077123000-memory.dmp

        Filesize

        4KB

      • memory/3988-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3988-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3988-25-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/3988-22-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/3988-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3988-28-0x0000000077122000-0x0000000077123000-memory.dmp

        Filesize

        4KB

      • memory/3988-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3988-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4584-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4584-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4584-0-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4584-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4584-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4584-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4584-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4584-7-0x00000000008F0000-0x00000000008F1000-memory.dmp

        Filesize

        4KB

      • memory/4584-6-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4584-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/4584-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB