Analysis

  • max time kernel
    94s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 01:40

General

  • Target

    JaffaCakes118_040cd790090885f27e37b398b7121531.exe

  • Size

    112KB

  • MD5

    040cd790090885f27e37b398b7121531

  • SHA1

    c9258f8197f7c0e6862a2367799f9c53276ded91

  • SHA256

    2a17c9f69ef3640689a846549b4e65556479bd9b9506cb8e61e5ed136a781780

  • SHA512

    9f71fda69da1097a52aa9af6cb9b8101641161689ae100aba8d45ef91ea8868a038295276361bbe92265816ffa1b5a5fedf72799cb2fd66d9eb7bb7a8c5dd18b

  • SSDEEP

    1536:0VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEjD0N9Y6js+uTAbe:knxwgxgfR/DVG7wBpEsNDj4A

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 50 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_040cd790090885f27e37b398b7121531.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_040cd790090885f27e37b398b7121531.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4412
    • 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:776
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3068
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 208
            4⤵
            • Program crash
            PID:1660
        • 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:4360
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4360 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3568
        • 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:3844
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3844 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3068 -ip 3068
      1⤵
        PID:4624

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        112KB

        MD5

        040cd790090885f27e37b398b7121531

        SHA1

        c9258f8197f7c0e6862a2367799f9c53276ded91

        SHA256

        2a17c9f69ef3640689a846549b4e65556479bd9b9506cb8e61e5ed136a781780

        SHA512

        9f71fda69da1097a52aa9af6cb9b8101641161689ae100aba8d45ef91ea8868a038295276361bbe92265816ffa1b5a5fedf72799cb2fd66d9eb7bb7a8c5dd18b

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

        Filesize

        471B

        MD5

        05a55aacc33432fec9fea490f5c69442

        SHA1

        bd2dd697d6e49290ff51f6f8e2db9bde87e72860

        SHA256

        65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

        SHA512

        91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

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

        Filesize

        404B

        MD5

        736d5b2df87fcfbaefa0e758e2d93ccc

        SHA1

        aaff4c336013ade10c957f777c49e130b8b9a510

        SHA256

        45cc281f46c5e98d34acef570d4248657857c687537c354b0477d4de56ac78d4

        SHA512

        6072328f48d2dea7ceb1534693b7de1aa8db1a81b35770eefd3b7fcf937bb1428983866093de251508a80ce84dc3e3e65eff88adc2d272f06572999da7bc9138

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

        Filesize

        404B

        MD5

        4529ac1ee5c7b7031f08236814dd96c2

        SHA1

        afa841b53a0b6890b86fdfad3637b4769e7650a2

        SHA256

        81afa16e59230b08d8bbe3ec3f1d4af8b9bc4fe232fa572085e1636a6930f311

        SHA512

        38d9d13919c4c511ef122aabe71f100ef08c93bc580b0e30bbec392172a505b2ccb8015ef09eff588ce09d23c0ae3422c06ce789e2c066b595da46a9524aa4fd

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{43628D97-D086-11EF-BDBF-622000771059}.dat

        Filesize

        5KB

        MD5

        045eb0f3fe2eb3c5654f2fbf2a672079

        SHA1

        5cd4d150cd30ed1abd4da641b9f1eac8e72924ef

        SHA256

        f8d0114e985d3d49264d20c0e6d90b52cd2c8e457dc18dccec211fa514b3a801

        SHA512

        0b99c0c75030f58ba0f94a7c9b112bed9dc74223d0ea5fa05cf2333574f9ffbefcd525689a6967c318379b3d4f5e7eda82e0f56ce2631595a05c7181ad41ffe3

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{4364EFA8-D086-11EF-BDBF-622000771059}.dat

        Filesize

        3KB

        MD5

        b5cd08ad3e6bd69170ccfc7663e95921

        SHA1

        555994fc2629451091cff367a365b70ff4c8dee5

        SHA256

        e0077a33c643a895a9c6b9c84f3a43c33ab404719e2556b18634e0c619d073c4

        SHA512

        3714fadf98458978c2d3ccf6df2dbbb1cf9271e9d8494118d0f7275291a5f08afd4c089b1c7d7f9e1dcaea7f71c7d565451e1f2126858d85e68a86879c47b547

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver7A5B.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/776-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-34-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/776-29-0x0000000077E42000-0x0000000077E43000-memory.dmp

        Filesize

        4KB

      • memory/776-28-0x00000000009C0000-0x00000000009C1000-memory.dmp

        Filesize

        4KB

      • memory/776-22-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/776-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-33-0x0000000077E42000-0x0000000077E43000-memory.dmp

        Filesize

        4KB

      • memory/776-35-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3068-32-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

        Filesize

        4KB

      • memory/3068-31-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

        Filesize

        4KB

      • memory/4412-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4412-2-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/4412-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4412-0-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/4412-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4412-6-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/4412-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4412-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4412-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4412-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4412-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4412-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB