Analysis

  • max time kernel
    92s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2025 11:41

General

  • Target

    JaffaCakes118_c6c1ab7b686d51ec291e850324485acd.exe

  • Size

    92KB

  • MD5

    c6c1ab7b686d51ec291e850324485acd

  • SHA1

    5f7345c765692e2b7e1d7cff2f27c7a082c31e54

  • SHA256

    2a183891c79b8856f1e08c70d779b10f4bac309fc5dfd2c2c79eb51fe6269c97

  • SHA512

    6585e8162783c13d19ca9a6754223e83b18eb9e492df1feb3aa663984977bc8ffa55482e0d5189d566c2a601132cfa43be0fe2a245d607520bcb11cbffc32197

  • SSDEEP

    1536:zVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:rnxwgxgfR/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 12 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_c6c1ab7b686d51ec291e850324485acd.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6c1ab7b686d51ec291e850324485acd.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4212
    • 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:2360
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3756
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 208
            4⤵
            • Program crash
            PID:2668
        • 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:4932
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4932 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4812
        • 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:980
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:980 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3756 -ip 3756
      1⤵
        PID:4052

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        92KB

        MD5

        c6c1ab7b686d51ec291e850324485acd

        SHA1

        5f7345c765692e2b7e1d7cff2f27c7a082c31e54

        SHA256

        2a183891c79b8856f1e08c70d779b10f4bac309fc5dfd2c2c79eb51fe6269c97

        SHA512

        6585e8162783c13d19ca9a6754223e83b18eb9e492df1feb3aa663984977bc8ffa55482e0d5189d566c2a601132cfa43be0fe2a245d607520bcb11cbffc32197

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

        Filesize

        471B

        MD5

        5c880ecece7595aea41224edbf5f8bba

        SHA1

        883636d01cf260db4e245913bf0bf90ead6bbacf

        SHA256

        31736fecaf227fc906a4146252d5b452d9118e68c3a12c72095969f42724c621

        SHA512

        d5f565aa1cafa0fa8217c59355e7289138b862a99df2bbea6059b4f4ec1af0bd337e53d8349b9595606dfddbfe82d743ee748cff9b7c65b741d09e3cf9abb1cc

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

        Filesize

        404B

        MD5

        67aebb902d8409a9e29be1d2712bdd3b

        SHA1

        0d373296b0eff25e8c68f39f5888add2375cf426

        SHA256

        d148618d97a6fc59c57e02b859862c60b3c4a994ab6090fd82854bdd1a21e971

        SHA512

        31c3cfc1cad9d07b43a969ec22ee320f3cb80b2005f28e9ffcf918ed58849496a7b482331fcf77315504bace62c24f209e94d361847842d6f538500c523b3647

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

        Filesize

        404B

        MD5

        2484e0934116604567ff4cef0e3df0cd

        SHA1

        3183c73fd63f637851a20b222bfb25db6a91af72

        SHA256

        8bef4c3fe296d788408bd057eca98eb19a020ee9dd0cce581a4f73f32f41e232

        SHA512

        e238bd2b3f50aa841df9437f7c9a407842728906e3fc071ee23babca171da208b703b60b253dc35dcb8598de2ed6bb33bf8ab19c817f02aa73fa2dbecc045667

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{53523505-D65A-11EF-ADF2-EE6C25FCE24B}.dat

        Filesize

        5KB

        MD5

        0d54fa2dae45a09640e1a748d2feab3c

        SHA1

        ee7da1980a2fa104a4b23846fdbe10b6823d8857

        SHA256

        3735d188aad56fdc5cc13f60ca3c34d3f7793ba5457f00e9bebe4cf9cff99298

        SHA512

        50e6a19df90d99139601d3d9f6020c015bdb5ab211acf1ff6561931e8afaf20d33923ba7b8c12a2fccbf58bb112ef017fde2862a21860923d186021a27613a3b

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{53549768-D65A-11EF-ADF2-EE6C25FCE24B}.dat

        Filesize

        3KB

        MD5

        807c55f9293915c87e0e38809570606e

        SHA1

        58e63b45a15cbc6d3cdc902331ea80488402b554

        SHA256

        804e4acd4b0df91dad144b30791a834467b5f701c6865cbb0d2a5e6e6116cf2d

        SHA512

        3fbb7d6e38a40991666e2f31b30b9efaa563e2422ed75cc219311fc8bef85ffaaafd93fed74dfe17fa15c59c9a1d4b4973cfbf8b7e4caa55f0dac4dc2a0377a4

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/2360-35-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2360-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2360-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2360-32-0x0000000076F12000-0x0000000076F13000-memory.dmp

        Filesize

        4KB

      • memory/2360-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2360-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2360-26-0x0000000000470000-0x0000000000471000-memory.dmp

        Filesize

        4KB

      • memory/2360-27-0x0000000076F12000-0x0000000076F13000-memory.dmp

        Filesize

        4KB

      • memory/2360-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3756-30-0x0000000001040000-0x0000000001041000-memory.dmp

        Filesize

        4KB

      • memory/3756-31-0x0000000001020000-0x0000000001021000-memory.dmp

        Filesize

        4KB

      • memory/4212-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4212-6-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/4212-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4212-0-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/4212-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4212-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4212-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4212-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4212-7-0x0000000000950000-0x0000000000951000-memory.dmp

        Filesize

        4KB

      • memory/4212-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4212-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB