Analysis

  • max time kernel
    92s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 06:31

General

  • Target

    2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe

  • Size

    2.1MB

  • MD5

    79093bebbb99bd56e6cb97c066dcfd74

  • SHA1

    201d492fd6d3f0aeed73defdfb03a996e9fde8c5

  • SHA256

    586317df8844d39323f92c8bc5d877628362309960459028a57d513e37ed1da7

  • SHA512

    f8431bd488871fa620d443f4f3f0cfb34f0e5e79d0c3a4d4636bb92f3dd6aa1f4915758957943f8c8ac7e513ea0f0b223c4568e45bdf5c1dc68c0d740ee5f0da

  • SSDEEP

    49152:ipp5LM0nEKNapEJBk9Xe23eWyg4+5M7XHq18pqXuA600xuRAKU:iX5LM0nEKspEJme23elb+W7Xg8pqXs0X

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 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 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 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
      C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2072
        • 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:920
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:920 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:5020

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

    a5d59031144ac6ab3dbf6358566aa618

    SHA1

    f6fb4567bbfd07f0df27083b36a179e00c263c5d

    SHA256

    039ec47b1e431e2555dc8da6bff06a3c78b242c01c9553286128c0f94d4c55ff

    SHA512

    a3049b32be6a7e8a4b1522d32df205e6433fa81fd540893ca917eb6ca33f51f79ec5571f144727bf145f00a457b4705942f0c55c85ddad96a227465345fc866f

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

    Filesize

    404B

    MD5

    2bf25862909654cb40db22b82c74027e

    SHA1

    d95efb879cf2bbf27f6bf315c1a3877451dec147

    SHA256

    1964ce55b88b6eb5c9315cebb90c2eaa9947d58fc3654be7065af42e6320a51d

    SHA512

    8e15ac4c0b298970fae1c99f186698b8827ed9f7395c64f23462247f7026f40b0acd88177edc87cf1308e31c83ad41abb9bbd74e01bcdf0bb96e4c5b274e7f6e

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verFC32.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

  • C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/2072-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2072-15-0x00000000006B0000-0x00000000006B1000-memory.dmp

    Filesize

    4KB

  • memory/2072-14-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2072-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3652-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3652-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3652-5-0x0000000000590000-0x000000000059F000-memory.dmp

    Filesize

    60KB

  • memory/5016-19-0x0000000000400000-0x0000000000631000-memory.dmp

    Filesize

    2.2MB

  • memory/5016-18-0x0000000000400000-0x0000000000631000-memory.dmp

    Filesize

    2.2MB

  • memory/5016-0-0x0000000000400000-0x0000000000631000-memory.dmp

    Filesize

    2.2MB