Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 07:31

General

  • Target

    11310f390d2f0f67c0fce3a325500679_JaffaCakes118.dll

  • Size

    166KB

  • MD5

    11310f390d2f0f67c0fce3a325500679

  • SHA1

    0785526f7ca25a883ed0f134adaf2e70c413bafa

  • SHA256

    a602fe8f53d36f4eab3123e2b0a4d75423250566ef909e0e0d0642bff5bab8d3

  • SHA512

    7c29bb0f6dc9def79a88ef3e5275cf3b1f8871a45449b5c93e40b547b8b11f3fa9dfd60908e8d49589fa8f6bbd9b2f6636e499c88f60887f59c472036958d228

  • SSDEEP

    1536:O5lTUKCYmCgV5bT/2d1QYebAvf/PqhXnzyP5xC1VXfbJpeU4KyQ5G0OYvVkoV:ATU56gVxj27NeUHHCRQU4S5GBWVLV

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\11310f390d2f0f67c0fce3a325500679_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\11310f390d2f0f67c0fce3a325500679_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1700
      • 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:3912
        • 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:3504
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2352
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 204
                6⤵
                • Program crash
                PID:1112
            • 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:832
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:832 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1724
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:2660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2352 -ip 2352
      1⤵
        PID:4932
      • 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 --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3668

        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

          b9b9f42ce6d2b20bf169d05480d239d4

          SHA1

          32b094cc2ff79f07fcd68d585846b919bc350e4d

          SHA256

          4d16bb8c9a34d4de9d39bb5f0e87095617b5ad551112db17b38b6cb752fbdae4

          SHA512

          36b45c544439c6b1fab4c2fa58712475a65ad467e3da61086c4a953d6587d35f5c6ae7de740863295ae0d3534cbf67d0bed6843d95b6786b50431bfeebcf1010

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

          Filesize

          404B

          MD5

          79c809caa9adb3a8b060036bd8be1f62

          SHA1

          ef6727d68c671dd95bf16d24d68dc54168fdc32e

          SHA256

          7cba9cd107390b6c69ed6ac9c5f04e1265404d57895ba5a9338ad021159d3ca8

          SHA512

          a2ba9e3ea3518a7ea7c9c9f17f6bf2185e6bbcf5baa66c8962c18359ee73e2ea4214688a4a193e11bc831052e8fc14d4a85e9535c4b8edaabb05b559488c2a5e

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\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/1700-0-0x00000000750D0000-0x00000000750FC000-memory.dmp

          Filesize

          176KB

        • memory/2352-33-0x0000000000B00000-0x0000000000B01000-memory.dmp

          Filesize

          4KB

        • memory/2352-34-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

          Filesize

          4KB

        • memory/3504-38-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3504-30-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/3504-37-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3504-36-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/3504-35-0x0000000077722000-0x0000000077723000-memory.dmp

          Filesize

          4KB

        • memory/3504-31-0x0000000077722000-0x0000000077723000-memory.dmp

          Filesize

          4KB

        • memory/3504-29-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-21-0x0000000000401000-0x0000000000405000-memory.dmp

          Filesize

          16KB

        • memory/3912-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-15-0x0000000001A90000-0x0000000001A91000-memory.dmp

          Filesize

          4KB

        • memory/3912-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3912-6-0x0000000000401000-0x0000000000405000-memory.dmp

          Filesize

          16KB

        • memory/3912-4-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB