Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 04:04

General

  • Target
    02a855d8ec6bab1cf01ded6d0c0033cc_JaffaCakes118.exe
  • Size 355KB
  • Sample240620-emx94ascpr
  • SHA256 40899b96b83ad355c9f57c18c4230aa63949edf83d5ff71677116ef81a3056f2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 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\02a855d8ec6bab1cf01ded6d0c0033cc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\02a855d8ec6bab1cf01ded6d0c0033cc_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Users\Admin\AppData\Local\Temp\02a855d8ec6bab1cf01ded6d0c0033cc_JaffaCakes118mgr.exe
      C:\Users\Admin\AppData\Local\Temp\02a855d8ec6bab1cf01ded6d0c0033cc_JaffaCakes118mgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3148
      • 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:4544
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:408
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 204
              5⤵
              • Program crash
              PID:1392
          • 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:1664
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1664 CREDAT:17410 /prefetch:2
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4776
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            PID:4940
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        2⤵
          PID:3992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 408 -ip 408
        1⤵
          PID:3440
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
          1⤵
            PID:1696
          • 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=4112,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
            1⤵
              PID:2508

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                  • Size 471B
                  • SHA256 009768e52ded8da33ac7d96d521e882eef9765278997f2ce47311f637696d9c7
                  • MD5 SHA1 SHA512

                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                  • Size 404B
                  • SHA256 09481e9d010b0875172a1f349268231eb0ed3710c4e7f07216bd0174828c59ca
                  • MD5 SHA1 SHA512

                  ver5668.tmp

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver5668.tmp
                  • Size 15KB
                  • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
                  • MD5 SHA1 SHA512 SSDEEP

                  suggestions[1].en-US

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

                  02a855d8ec6bab1cf01ded6d0c0033cc_JaffaCakes118mgr.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\02a855d8ec6bab1cf01ded6d0c0033cc_JaffaCakes118mgr.exe
                  • Size 139KB
                  • SHA256 64ff2387190101102b4f140065c12780ea9ad822a1c05444a552164cc30a3392
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/408-33-0x00000000012E0000-0x00000000012E1000-memory.dmp

                  memory/408-34-0x00000000012C0000-0x00000000012C1000-memory.dmp

                  memory/684-60-0x0000000001000000-0x000000000105D000-memory.dmp

                  memory/684-1-0x0000000001000000-0x000000000105D000-memory.dmp

                  memory/3148-10-0x0000000002850000-0x0000000002851000-memory.dmp

                  memory/3148-6-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/3148-7-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/3148-9-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/3148-12-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/3148-14-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/3148-13-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/3148-8-0x0000000000400000-0x000000000042E000-memory.dmp

                  memory/3148-5-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/4544-32-0x0000000077812000-0x0000000077813000-memory.dmp

                  memory/4544-36-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/4544-35-0x0000000000070000-0x0000000000071000-memory.dmp

                  memory/4544-28-0x0000000003100000-0x0000000003101000-memory.dmp

                  memory/4544-29-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/4544-31-0x0000000000400000-0x0000000000421000-memory.dmp

                  memory/4544-25-0x0000000000400000-0x000000000042E000-memory.dmp