Analysis

  • max time kernel
    132s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 04:50

General

  • Target

    10c665c1ed3129f98c03ec0087a9d605_JaffaCakes118.dll

  • Size

    132KB

  • MD5

    10c665c1ed3129f98c03ec0087a9d605

  • SHA1

    138a21497cd0598a3be4bbf787e39d0dc06ab322

  • SHA256

    fb03be8dc56eb0650bb0505ce4424a23b382582a629daeee8494b7a96c73ba88

  • SHA512

    16f62c835f3a7c7d404b9c012474b28d349849617d12d0c5e2d4af62f730dd5ce020cbc950d6db0470ec3e3101d9ea38bc798f4a1b61780ad4702d1308ceb5f8

  • SSDEEP

    3072:Vo6nwLqrSa4I+VCUgVr9kYaQBqaFM2oVhyAn1+PR:66ungVrwwM2uf1e

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\10c665c1ed3129f98c03ec0087a9d605_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\10c665c1ed3129f98c03ec0087a9d605_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2324
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:4044
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:628
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 204
                6⤵
                • Program crash
                PID:4024
            • 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:1680
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1680 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1576
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:4264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 628 -ip 628
      1⤵
        PID:4520
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4352,i,16856304285138459032,14480077487839828721,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:8
        1⤵
          PID:2452

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\regsvr32mgr.exe

          Filesize

          96KB

          MD5

          8c51fd9d6daa7b6137634de19a49452c

          SHA1

          db2a11cca434bacad2bf42adeecae38e99cf64f8

          SHA256

          528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

          SHA512

          b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

        • memory/628-35-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/628-34-0x00000000006C0000-0x00000000006C1000-memory.dmp

          Filesize

          4KB

        • memory/2324-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2324-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2324-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2324-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2324-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2324-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2324-16-0x00000000001B0000-0x00000000001B1000-memory.dmp

          Filesize

          4KB

        • memory/2324-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2324-6-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4044-30-0x0000000000430000-0x0000000000431000-memory.dmp

          Filesize

          4KB

        • memory/4044-27-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4044-33-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

          Filesize

          4KB

        • memory/4044-32-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4044-36-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

          Filesize

          4KB

        • memory/4044-37-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4044-38-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5052-0-0x0000000002970000-0x0000000002994000-memory.dmp

          Filesize

          144KB

        • memory/5052-2-0x0000000002970000-0x0000000002994000-memory.dmp

          Filesize

          144KB