Analysis

  • max time kernel
    93s
  • 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
    12-12-2024 03:25

General

  • Target

    e47a4436ff05c8337500d6d3178b4400_JaffaCakes118.dll

  • Size

    647KB

  • MD5

    e47a4436ff05c8337500d6d3178b4400

  • SHA1

    b252747fe8f13a45b3066fc205a22a84d0f2ee1b

  • SHA256

    3e582f97ea1fc4110199b03697c6028908068a57f2ee1f7414d6cb8a6964a415

  • SHA512

    dc7d304304391f158e41b8ce89c1b3da52d6e0f3a7cf040aa03b5e0c0d95a94859f95ea09a26fd5356718505682aec3393d334107115ddd14996a383250b5d48

  • SSDEEP

    12288:YE7NiOLg18+1/hv5VEipyz7mTWWa8afR2ftuD1xbmiUFNEx:YE3+F5GipwuWWpj+kEx

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 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 2 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 31 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e47a4436ff05c8337500d6d3178b4400_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e47a4436ff05c8337500d6d3178b4400_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:116
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:4396
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • 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:4476
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1220
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1220 -s 204
                6⤵
                • Program crash
                PID:1016
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4400
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4400 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3116
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:3576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 608
          3⤵
          • Program crash
          PID:3972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 116 -ip 116
      1⤵
        PID:1060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1220 -ip 1220
        1⤵
          PID:3488

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          471B

          MD5

          030d28178ec890f0d933359dad23da1e

          SHA1

          5fa5195ca05aea5caaf471afbcc2fd039876f3c4

          SHA256

          1e40a11d7943a7924cacca9632fa6dd8bd24fb1072cb61e64f9033ebce74806b

          SHA512

          0a4d2a2dc387cda5c4a2545d416aa40eaccc7f0176861c2862c0a792970282189548309263d0937913a9e8be8105074a8d7129b87e277db68a0efbc57f3030e6

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

          Filesize

          404B

          MD5

          d17f734c4f9e2368c3f9fe2c51668206

          SHA1

          ed5700a74306f569db6372d1aeddc0c89b16b57d

          SHA256

          038b5738269aa230eff8f438694e0b6d0617f551302c4970eae22bf516c4a8c6

          SHA512

          c9cf2563c3a1f704299b2ddc47691012d73de694ad9584a52177f61e910968be447183973018d45f0768a9ca7c628198c23f26fa0eee2b1d7101901380f5717b

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          60KB

          MD5

          94f2f6ffbba8e7644668b51b39983916

          SHA1

          63357bbdf90101969117983dbc0d4ed0e713c4d7

          SHA256

          ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

          SHA512

          d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

        • memory/116-33-0x0000000075380000-0x0000000075428000-memory.dmp

          Filesize

          672KB

        • memory/116-1-0x0000000075380000-0x0000000075428000-memory.dmp

          Filesize

          672KB

        • memory/1220-31-0x0000000000930000-0x0000000000931000-memory.dmp

          Filesize

          4KB

        • memory/1220-32-0x0000000000910000-0x0000000000911000-memory.dmp

          Filesize

          4KB

        • memory/4396-10-0x00000000008A0000-0x00000000008A1000-memory.dmp

          Filesize

          4KB

        • memory/4396-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4396-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4396-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4396-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4396-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4396-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4396-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4476-26-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4476-35-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4476-34-0x00000000779C2000-0x00000000779C3000-memory.dmp

          Filesize

          4KB

        • memory/4476-36-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4476-37-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4476-38-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4476-27-0x0000000000A20000-0x0000000000A21000-memory.dmp

          Filesize

          4KB

        • memory/4476-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4476-29-0x00000000779C2000-0x00000000779C3000-memory.dmp

          Filesize

          4KB