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
    17-01-2025 13:01

General

  • Target

    JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe

  • Size

    92KB

  • MD5

    8c67a4ee7c94c942047d50da6fa8a9c5

  • SHA1

    a0635d4df1bd3af9cffd0ed6efe0554218fa1dfa

  • SHA256

    2e291023498a8358d52757e3d532ed5f116db740e91d5d597589173925127791

  • SHA512

    8cf489ad782886ec606be0c499294693b4adfe32b501761b68b104a80ce300a9ddb2e67d3c7225cc5840d3a2708f271c210d44e55b60f357282865a039e731f6

  • SSDEEP

    1536:yVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:inxwgxgfR/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 14 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_8c67a4ee7c94c942047d50da6fa8a9c5.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4456
    • 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:4880
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4348
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 204
            4⤵
            • Program crash
            PID:2216
        • 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:4952
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4952 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2904
        • 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:3304
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3304 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
      1⤵
        PID:4560

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        92KB

        MD5

        8c67a4ee7c94c942047d50da6fa8a9c5

        SHA1

        a0635d4df1bd3af9cffd0ed6efe0554218fa1dfa

        SHA256

        2e291023498a8358d52757e3d532ed5f116db740e91d5d597589173925127791

        SHA512

        8cf489ad782886ec606be0c499294693b4adfe32b501761b68b104a80ce300a9ddb2e67d3c7225cc5840d3a2708f271c210d44e55b60f357282865a039e731f6

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

        Filesize

        471B

        MD5

        37827a5b375c40c1d7c482099e06c5bb

        SHA1

        48a43de39625e410113ec4d2d3e355535c7163a9

        SHA256

        ffbd974e64098b8a4b5abe5633fe019780fb5eb4fb52418810fbbdc50084ef51

        SHA512

        e14bdded02c844462222ce326d91cfc2403f2fb164911a7b1401cb5dcb29c804383cf554304a5ea8465d743ef2f0fa78e6cba3f064dad02cd00076c1ac5f843e

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

        Filesize

        404B

        MD5

        d139ba0740c8c7bb3c14875a08fb10a2

        SHA1

        7eb69b459eb3f0fa50b4cc309800a2c8f6774906

        SHA256

        8394f0b4aef88e5bed1d10a79b86071cf4520acb18504f653636fe5a1e7b1726

        SHA512

        c6af0b83d1807c41fdef90095010c04d42cf7d671809817979f9ad5228860d1092bd02b186a9b184dfbdbbc53c0f80f3e5676fc410eddea5d9221d58d780c431

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{37778A70-D4D3-11EF-9361-7E3D785E6C2E}.dat

        Filesize

        3KB

        MD5

        ebd0adfec5685e14024b26f9913bbe4f

        SHA1

        4f80d41c8bdfebcec699cd49f59064b90c3aeb98

        SHA256

        652e19add268a468b70130046736a2b45a992c3f7741a2d630026e289165a0cc

        SHA512

        45ecb800c7dcc85a49f8328989c324d42811bb4aac016932b948a256891c82f898e4e1a01fd5f08dbb9600570da1802db0c7b81a3ac3504169254040935a2917

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{3779EC71-D4D3-11EF-9361-7E3D785E6C2E}.dat

        Filesize

        5KB

        MD5

        56d7c31bf5bc2f215d8648c6187c319c

        SHA1

        dfbfec4176606358a549f00a1fe4a9696a072b95

        SHA256

        abc61ef67de82f4b1dd9fb8319c8c1383233f22241901b4d04b5913f2edb692e

        SHA512

        94a489794bce2a44949e2ec840ff8e680a4ad110df61620a5bf3ef8a8d03694b7a9d8f0bd0890f1b77de56b282ca357c9ce9850250fd2fca805113335a57ce4b

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/4348-30-0x0000000001240000-0x0000000001241000-memory.dmp

        Filesize

        4KB

      • memory/4348-31-0x0000000001220000-0x0000000001221000-memory.dmp

        Filesize

        4KB

      • memory/4456-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-6-0x0000000000400000-0x0000000000477000-memory.dmp

        Filesize

        476KB

      • memory/4456-0-0x0000000000400000-0x0000000000477000-memory.dmp

        Filesize

        476KB

      • memory/4456-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4456-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4456-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/4880-27-0x0000000000470000-0x0000000000471000-memory.dmp

        Filesize

        4KB

      • memory/4880-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4880-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4880-35-0x0000000077612000-0x0000000077613000-memory.dmp

        Filesize

        4KB

      • memory/4880-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4880-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4880-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4880-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4880-28-0x0000000077612000-0x0000000077613000-memory.dmp

        Filesize

        4KB

      • memory/4880-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB