Analysis

  • max time kernel
    127s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 06:25

General

  • Target

    191bfbe9c5e47b8736a7829834006e37_JaffaCakes118.exe

  • Size

    355KB

  • MD5

    191bfbe9c5e47b8736a7829834006e37

  • SHA1

    7b22cdc9ea3b7e8c3e88656973d9f27796bcdad8

  • SHA256

    c6628f4091e5f7d7b9292e707ec606a8f3085402e2fb1c406553b2454871e8b7

  • SHA512

    853fe256e3010e32379c3774bf4e121e88ba92f1b1d290241e3c316547efaf9d62cb2558feddef8ce434dbcc72e100e6891fc3cdf20ef6023b4397bf89c7af03

  • SSDEEP

    6144:D5BgvadeLnJiYZ+up5BmmbKaRwmNN5rWlBtCAA6LoFAPo:D//miwZ/JKqW3tjsZ

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 Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\191bfbe9c5e47b8736a7829834006e37_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\191bfbe9c5e47b8736a7829834006e37_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Users\Admin\AppData\Local\Temp\191bfbe9c5e47b8736a7829834006e37_JaffaCakes118mgr.exe
      C:\Users\Admin\AppData\Local\Temp\191bfbe9c5e47b8736a7829834006e37_JaffaCakes118mgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Program Files (x86)\Microsoft\WaterMark.exe
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:3532
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 204
              5⤵
              • Program crash
              PID:4452
          • 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:4900
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4900 CREDAT:17410 /prefetch:2
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3016
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            PID:2800
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        2⤵
          PID:2368
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3532 -ip 3532
        1⤵
          PID:2872
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
          1⤵
            PID:3784
          • 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 --field-trial-handle=4332,i,15721081447618313297,6839074028983272033,262144 --variations-seed-version --mojo-platform-channel-handle=3128 /prefetch:8
            1⤵
              PID:4432

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              471B

              MD5

              fa34ecb8815a2d98849888cb1cdbf38b

              SHA1

              84fd0e04586009efb3683c98da8d9aa41487cd42

              SHA256

              5077a54924f80491a74ed78bbd73ff7bf85a27caddb80ceaa9ccb86f8b9a11be

              SHA512

              ccfdb76ccedd0076601e17272d346229e2b9c0dd884c09bb7701b32c5dc177da8a91bb539ce751297d8ea44716fc497e8a337a9499c93a474ba85915f28f1053

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

              404B

              MD5

              6afcebaab50c6f7b6607d4f951ac1a1c

              SHA1

              b87a07164f5942c260a5ca86633139ced004356d

              SHA256

              3c6745f61307872f88c203b651aa5ee02eb01084919084448adc162966ff5904

              SHA512

              e9bd4760d18ea1eee9bced752c0c980944aa72f46edc3192c3a57d3d4d0acdc189f00dca05d6d03a96638f4422404d7f55adde26ad4a90f4ff61a30d58dfb7ae

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver66B4.tmp
              Filesize

              15KB

              MD5

              1a545d0052b581fbb2ab4c52133846bc

              SHA1

              62f3266a9b9925cd6d98658b92adec673cbe3dd3

              SHA256

              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

              SHA512

              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\44ZGVQ6R\suggestions[1].en-US
              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Users\Admin\AppData\Local\Temp\191bfbe9c5e47b8736a7829834006e37_JaffaCakes118mgr.exe
              Filesize

              139KB

              MD5

              03f2a314cd1c598c38a1de2663e1aebb

              SHA1

              aff058f29943df223cc418ed6544ab0f176e5762

              SHA256

              64ff2387190101102b4f140065c12780ea9ad822a1c05444a552164cc30a3392

              SHA512

              950368f5a8eacdee919ca7d2c93c1939f9fc120602fd7347e16ae6a67e382cec7b2525adc652ac2ce39e08a614437248d1ff83d44171075ce8333016bf45ae45

            • memory/1968-36-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/1968-34-0x0000000000070000-0x0000000000071000-memory.dmp
              Filesize

              4KB

            • memory/1968-28-0x0000000000060000-0x0000000000061000-memory.dmp
              Filesize

              4KB

            • memory/1968-24-0x0000000000400000-0x000000000042E000-memory.dmp
              Filesize

              184KB

            • memory/1968-30-0x0000000076F32000-0x0000000076F33000-memory.dmp
              Filesize

              4KB

            • memory/1968-29-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3532-33-0x0000000000920000-0x0000000000921000-memory.dmp
              Filesize

              4KB

            • memory/3532-32-0x0000000000940000-0x0000000000941000-memory.dmp
              Filesize

              4KB

            • memory/3636-8-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3636-14-0x00000000008B0000-0x00000000008B1000-memory.dmp
              Filesize

              4KB

            • memory/3636-7-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3636-6-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3636-13-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3636-9-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3636-10-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3636-11-0x0000000000400000-0x0000000000421000-memory.dmp
              Filesize

              132KB

            • memory/3636-5-0x0000000000400000-0x000000000042E000-memory.dmp
              Filesize

              184KB

            • memory/4232-0-0x0000000001000000-0x000000000105D000-memory.dmp
              Filesize

              372KB

            • memory/4232-60-0x0000000001000000-0x000000000105D000-memory.dmp
              Filesize

              372KB