Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 23:21

General

  • Target
    0b39b6cc8f6375930ca48f3b49b69460_JaffaCakes118.exe
  • Size 92KB
  • Sample240624-3b459s1bpr
  • SHA256 763f2a2c093657a0b7b4c904cd33ec590bfb7e8a60b4ba5d0a710f01fdac1bd7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 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 51 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\0b39b6cc8f6375930ca48f3b49b69460_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0b39b6cc8f6375930ca48f3b49b69460_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4168
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4824
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 204
            4⤵
            • Program crash
            PID:412
        • 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:3780
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3780 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1704
        • 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:1912
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1912 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4824 -ip 4824
      1⤵
        PID:2120
      • 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=3608 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1512

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              WaterMark.exe

              • Path C:\Program Files (x86)\Microsoft\WaterMark.exe
              • Size 92KB
              • SHA256 763f2a2c093657a0b7b4c904cd33ec590bfb7e8a60b4ba5d0a710f01fdac1bd7
              • MD5 SHA1 SHA512 SSDEEP

              7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
              • Size 471B
              • SHA256 1f08ea567a623c9f9015efd9b209b823cd5bce6d474256440ffceb4f5ccffd8e
              • MD5 SHA1 SHA512

              7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
              • Size 404B
              • SHA256 5b29b86be6ad606289a36927a94c47d278f9ecc81b18a1499e248b03d9c45447
              • MD5 SHA1 SHA512

              RecoveryStore.{7CE60103-3280-11EF-B9F7-4A48D699C5C8}.dat

              • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7CE60103-3280-11EF-B9F7-4A48D699C5C8}.dat
              • Size 3KB
              • SHA256 3ddc12274ac5a70d2422d583eda397f88d97b0338f4d4770bfbebc95cfad336f
              • MD5 SHA1 SHA512

              RecoveryStore.{7CEF8D8F-3280-11EF-B9F7-4A48D699C5C8}.dat

              • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7CEF8D8F-3280-11EF-B9F7-4A48D699C5C8}.dat
              • Size 5KB
              • SHA256 865b6150b7003d0f6c02495a7fa3fd0de96270591e1e49b541d1df24d7ed76aa
              • MD5 SHA1 SHA512 SSDEEP

              ver77AC.tmp

              • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver77AC.tmp
              • Size 15KB
              • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
              • MD5 SHA1 SHA512 SSDEEP

              suggestions[1].en-US

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
              • Size 17KB
              • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
              • MD5 SHA1 SHA512 SSDEEP

              memory/3892-8-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3892-9-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3892-4-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3892-7-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3892-15-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3892-14-0x00000000008F0000-0x00000000008F1000-memory.dmp

              memory/3892-5-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3892-0-0x0000000000400000-0x0000000000431000-memory.dmp

              memory/3892-6-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3892-3-0x0000000000400000-0x0000000000431000-memory.dmp

              memory/3892-2-0x0000000000400000-0x0000000000431000-memory.dmp

              memory/3892-1-0x0000000000401000-0x0000000000402000-memory.dmp

              memory/4168-25-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/4168-32-0x0000000077552000-0x0000000077553000-memory.dmp

              memory/4168-33-0x0000000000070000-0x0000000000071000-memory.dmp

              memory/4168-36-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/4168-28-0x0000000077552000-0x0000000077553000-memory.dmp

              memory/4168-27-0x0000000000060000-0x0000000000061000-memory.dmp

              memory/4168-26-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/4168-18-0x0000000000400000-0x0000000000431000-memory.dmp

              memory/4824-30-0x0000000000420000-0x0000000000421000-memory.dmp

              memory/4824-31-0x0000000000400000-0x0000000000401000-memory.dmp