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Analysis

  • max time kernel
    94s
  • 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
    22/01/2025, 12:29

General

  • Target

    JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe

  • Size

    149KB

  • MD5

    0da24e9a4fe58ac5beb38be8ccea52fd

  • SHA1

    a6d12e8ad8e3eead695c490913d845f5e586df68

  • SHA256

    15bdce9489d2c74c5c88a5a8f0140e60982c038c8169977a1a2c1f0aebab50b9

  • SHA512

    8dcdcfcf1b13dcf11bed9dc0040fb832df7f4c154a34a4f88e0ee38c1c38ba7c357397c711797644ea9bd525d081987521d1cf001b96a96026845c87442c7237

  • SSDEEP

    3072:RROzoTq0+RO7IwnYZnSDADeak7dJHB/A9ouUljtQnjPtwi3gSO8EeL:fkdNwBGnSsQLH5A6uzPtw/j

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 8 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 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:628
      • 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:1256
        • 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:3952
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3952 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 296
      2⤵
      • Program crash
      PID:3192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
    1⤵
      PID:3240

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      471B

      MD5

      2c48c73220d62a8faffe599e95896274

      SHA1

      452cd4222360fe7e881055d815ec65a2bbac564b

      SHA256

      35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

      SHA512

      6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

      Filesize

      404B

      MD5

      4ba9eb7dc683978fc5dc8d4208e78bf6

      SHA1

      db3b4853ecc059ae1b65f03fc8e12ed8841e0699

      SHA256

      8aa96f59ef662c055d6fc6656f0909899bbecb858e6e0eecddcb64f005c15e70

      SHA512

      e54b01c5bd2ff0a92d446bfadd097ba54c8236b0b751468008335b2743e0415c50eaa97be6ae4818aac82d16b44616fda218c467d68ea2bb04a62fdee71cac87

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • memory/628-4-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/628-5-0x0000000000590000-0x000000000059F000-memory.dmp

      Filesize

      60KB

    • memory/628-7-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1256-15-0x00000000005B0000-0x00000000005B1000-memory.dmp

      Filesize

      4KB

    • memory/1256-14-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1256-16-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1256-12-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/2128-19-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2128-0-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB