Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    20/06/2024, 01:59

General

  • Target

    01ddf9694d1ff1a058991d6862a3a962_JaffaCakes118.exe

  • Size

    323KB

  • MD5

    01ddf9694d1ff1a058991d6862a3a962

  • SHA1

    999913d1d26d0f4de8d881b0bd8b282bd022d9c2

  • SHA256

    a27caecefb4045af12b437359a746abf5f0100ac072af8c1a583ccf80326dfad

  • SHA512

    2dc74c355c7e0f2bb9e52ce0b78795f55019d76e4f602b2af65001528330de96ecd07eeb33936b9b0692e674dfe426db9fa248f3fdabd68bf476de84c34ba599

  • SSDEEP

    3072:5B8Nu8xX7Oer7GVlT6At9gMNNy9sEeR7Kw1lmGSKM4hMpCygCCcxXbsPC35ynqoI:b8Nu8QsCVHmGtn2tpCFMflokFnNKK

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\01ddf9694d1ff1a058991d6862a3a962_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\01ddf9694d1ff1a058991d6862a3a962_JaffaCakes118.exe"
            2⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Modifies Internet Explorer settings
            • Suspicious use of UnmapMainImage
            • Suspicious use of WriteProcessMemory
            PID:1596
            • C:\Users\Admin\AppData\Roaming\Lejye\ywavh.exe
              "C:\Users\Admin\AppData\Roaming\Lejye\ywavh.exe"
              3⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of UnmapMainImage
              • Suspicious use of WriteProcessMemory
              PID:1800
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpf615c22a.bat"
              3⤵
              • Deletes itself
              PID:1272
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1848

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\tmpf615c22a.bat

                  Filesize

                  271B

                  MD5

                  a467324bfd2ca478d84959a1aa70d33c

                  SHA1

                  bdcf86d0fbaa66b42c6746397b101b93e66a0a9f

                  SHA256

                  a570a8bbb80ce2418bf24ef0a9f1f93b3db4a597e383ce027e8f89a4fdd5fb51

                  SHA512

                  ae45238687076ed9833d3e39cdd31f09e2a5163631912012c22d4fd5c15a9d773b06999bb82f8f147bcf214b003d2d53122817579ea8e0623461bb80dd635818

                • \Users\Admin\AppData\Roaming\Lejye\ywavh.exe

                  Filesize

                  323KB

                  MD5

                  6711d9394ae25c560ec0c22ecfd8e7e4

                  SHA1

                  e884bc246761964f585d84e56b590a3543b6384c

                  SHA256

                  451519a8ffa3fd8677d50584c90218d74ecc6c0e66b59c9aa19143a48acee7fe

                  SHA512

                  a19bf34ce1c4f8086aea859be76088afe394fd06ce4b97eaff4b16a051b0b1e37fb3b1be0a14586c417c5076d04c5c5d8572af0cc44d0103d51dd89f875db3f7

                • memory/1108-21-0x0000000001F40000-0x0000000001F84000-memory.dmp

                  Filesize

                  272KB

                • memory/1108-23-0x0000000001F40000-0x0000000001F84000-memory.dmp

                  Filesize

                  272KB

                • memory/1108-25-0x0000000001F40000-0x0000000001F84000-memory.dmp

                  Filesize

                  272KB

                • memory/1108-27-0x0000000001F40000-0x0000000001F84000-memory.dmp

                  Filesize

                  272KB

                • memory/1108-19-0x0000000001F40000-0x0000000001F84000-memory.dmp

                  Filesize

                  272KB

                • memory/1172-31-0x0000000001FA0000-0x0000000001FE4000-memory.dmp

                  Filesize

                  272KB

                • memory/1172-33-0x0000000001FA0000-0x0000000001FE4000-memory.dmp

                  Filesize

                  272KB

                • memory/1172-37-0x0000000001FA0000-0x0000000001FE4000-memory.dmp

                  Filesize

                  272KB

                • memory/1172-35-0x0000000001FA0000-0x0000000001FE4000-memory.dmp

                  Filesize

                  272KB

                • memory/1204-43-0x0000000002DF0000-0x0000000002E34000-memory.dmp

                  Filesize

                  272KB

                • memory/1204-40-0x0000000002DF0000-0x0000000002E34000-memory.dmp

                  Filesize

                  272KB

                • memory/1204-41-0x0000000002DF0000-0x0000000002E34000-memory.dmp

                  Filesize

                  272KB

                • memory/1204-42-0x0000000002DF0000-0x0000000002E34000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-52-0x00000000005F0000-0x0000000000634000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-4-0x0000000000400000-0x0000000000444000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-81-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-79-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-77-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-75-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-73-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-71-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-70-0x0000000077730000-0x0000000077731000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-69-0x00000000005F0000-0x0000000000634000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-65-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-63-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-59-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-57-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-55-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-51-0x00000000005F0000-0x0000000000634000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-50-0x00000000005F0000-0x0000000000634000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-1-0x00000000002D0000-0x0000000000324000-memory.dmp

                  Filesize

                  336KB

                • memory/1596-165-0x00000000005F0000-0x0000000000634000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-163-0x00000000002D0000-0x0000000000324000-memory.dmp

                  Filesize

                  336KB

                • memory/1596-164-0x0000000000400000-0x0000000000444000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-67-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-61-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-2-0x0000000000400000-0x0000000000444000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-53-0x00000000005F0000-0x0000000000634000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-140-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-0-0x0000000000280000-0x00000000002C4000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-3-0x0000000000400000-0x0000000000444000-memory.dmp

                  Filesize

                  272KB

                • memory/1596-83-0x0000000000340000-0x0000000000341000-memory.dmp

                  Filesize

                  4KB

                • memory/1596-7-0x0000000000400000-0x0000000000444000-memory.dmp

                  Filesize

                  272KB

                • memory/1800-15-0x0000000000400000-0x0000000000454000-memory.dmp

                  Filesize

                  336KB

                • memory/1800-18-0x0000000000400000-0x0000000000444000-memory.dmp

                  Filesize

                  272KB

                • memory/1800-17-0x0000000000500000-0x0000000000554000-memory.dmp

                  Filesize

                  336KB

                • memory/1800-287-0x0000000000400000-0x0000000000454000-memory.dmp

                  Filesize

                  336KB

                • memory/1800-289-0x0000000000400000-0x0000000000444000-memory.dmp

                  Filesize

                  272KB

                • memory/1848-45-0x0000000000140000-0x0000000000184000-memory.dmp

                  Filesize

                  272KB

                • memory/1848-46-0x0000000000140000-0x0000000000184000-memory.dmp

                  Filesize

                  272KB

                • memory/1848-47-0x0000000000140000-0x0000000000184000-memory.dmp

                  Filesize

                  272KB

                • memory/1848-48-0x0000000000140000-0x0000000000184000-memory.dmp

                  Filesize

                  272KB