Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 06:36

General

  • Target

    JaffaCakes118_4f8ffeeac5f937552a2b39f6e18c0f32.exe

  • Size

    96KB

  • MD5

    4f8ffeeac5f937552a2b39f6e18c0f32

  • SHA1

    8c06cfcb2a3a687666db5b084cd2fdf11dc91402

  • SHA256

    2b20c71511d67413bd13a44d28874fc69f0d534c550b3327d97fdb15e898fe6b

  • SHA512

    c28ca31e3453ebf9ccfa1829121e45b87e97fcac81ab5bd00cd5a0a9d6cb9a7e13c54dd15f5ed2ba9b305a55213ecaf2e24c28c30d3d8c4724dacdcabd4d11c3

  • SSDEEP

    768:s06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9F:yR0vxn3Pc0LCH9MtbvabUDzJYWu3B4

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 13 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\JaffaCakes118_4f8ffeeac5f937552a2b39f6e18c0f32.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f8ffeeac5f937552a2b39f6e18c0f32.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4916
    • 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:1676
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4020
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 204
            4⤵
            • Program crash
            PID:760
        • 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:2612
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2612 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1452
        • 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:3200
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3200 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4020 -ip 4020
      1⤵
        PID:2528

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        96KB

        MD5

        4f8ffeeac5f937552a2b39f6e18c0f32

        SHA1

        8c06cfcb2a3a687666db5b084cd2fdf11dc91402

        SHA256

        2b20c71511d67413bd13a44d28874fc69f0d534c550b3327d97fdb15e898fe6b

        SHA512

        c28ca31e3453ebf9ccfa1829121e45b87e97fcac81ab5bd00cd5a0a9d6cb9a7e13c54dd15f5ed2ba9b305a55213ecaf2e24c28c30d3d8c4724dacdcabd4d11c3

      • 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

        ffe7a18792b9e05aa1a90e87a7dbb6c6

        SHA1

        03ae999a1aeb1f91e31a4a51eea4828b25b7a737

        SHA256

        fc58628c22419e4809ae018103949d64a536b2d6f9301f02da24b8b7fb904d62

        SHA512

        3ef309524f4895d8672ba467e94327d64f3c9e7b4e7998dc342de0b1b21140214b450a32788d2d51ffbc345bc4042a14d30b6d82aa2fb4365b276a5abfb37f56

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

        Filesize

        404B

        MD5

        6477941d91d03cd1117e5468b2961e63

        SHA1

        944cc7e3fd623f2cc8f284d67f23ac3675352f65

        SHA256

        d62beed2cb9bc77b8ebe1d9f5e5aab31aff45a7f96194c8bac41270e429c1c9d

        SHA512

        033bdf3c70010bc5e2b92e7f0dc11367928ba4cd99cd1ecfb5ed603e81b2d8a93f3ae164ed710cf4c4766fd623c9ba3a42db9d2b05d786830bfa0da4aaad29cf

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{196FAF0C-D30B-11EF-AF2A-DEEFF298442C}.dat

        Filesize

        4KB

        MD5

        54f7590df84cb788f6386fed7b681e91

        SHA1

        ab805871bb5beface29ef2f791acd215dca18963

        SHA256

        48c892647a5af03da3ed5eb6b444637f58b4b9bffbc6f5825f907d65bcb4ec23

        SHA512

        7907e80067a92c78745439d2333e4026829c4f18b0cde301490e61012cccc00674b0397167d07a2e63396b87684f77a379ddf887dcbf979cdedd6551e00a000c

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{1972119F-D30B-11EF-AF2A-DEEFF298442C}.dat

        Filesize

        5KB

        MD5

        57b588118b83bef54f7bb19bda77176d

        SHA1

        286513ce2a2ce99f49b3b0f6fe81ad7bbe07d05e

        SHA256

        6c1c278bd544673c4be8fc71342a6cb5204652ca4afcb8dde9248d59f412f6d1

        SHA512

        c22bc13290da05456d46a7de2e042fa60b6f393438b1c53ab583d5af8ab056b30575213e3bf754a4e2a51ff9cba41916914f6af551c26bfddb9455b811a5c06f

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1676-35-0x0000000077DA2000-0x0000000077DA3000-memory.dmp

        Filesize

        4KB

      • memory/1676-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1676-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1676-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1676-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1676-21-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/1676-25-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/1676-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1676-26-0x0000000077DA2000-0x0000000077DA3000-memory.dmp

        Filesize

        4KB

      • memory/1676-33-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/4020-30-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/4020-31-0x0000000000890000-0x0000000000891000-memory.dmp

        Filesize

        4KB

      • memory/4916-5-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/4916-24-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/4916-0-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/4916-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4916-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4916-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4916-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4916-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4916-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4916-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4916-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4916-1-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB