Analysis

  • max time kernel
    144s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2024 14:27

General

  • Target

    63893203f58fc641c0bc09b6b925ce39_JaffaCakes118.exe

  • Size

    187KB

  • MD5

    63893203f58fc641c0bc09b6b925ce39

  • SHA1

    a8ea7105dd766f912f038e1001fa994583ed4413

  • SHA256

    22f7a9926c6a906a4b5d54810cc2de5ebf4a8899c9728e9ea4069b334a365fed

  • SHA512

    9cab21495410cf92b19f69cc786aa2030c9ce9d0a8ec6f6b8f2a9d121371962bbacbc65acd5c4c0cc32554cb535d5d4de98fb5f09db46f59b378bdcc85192711

  • SSDEEP

    3072:l2OJOFSUwUyKfM5Iq48bwfeQ0hF/fYmdbxGZlcy9wKC50sNj7NpcEt0:l4FKXqMzbwJ0hhhbx22y5C50sd7U9

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:336
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:836
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1252
        • C:\Users\Admin\AppData\Local\Temp\63893203f58fc641c0bc09b6b925ce39_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\63893203f58fc641c0bc09b6b925ce39_JaffaCakes118.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:924
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            3⤵
            • Deletes itself
            PID:2924

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Windows\system32\consrv.dll

        Filesize

        52KB

        MD5

        6bf2039986af96d98e08824ac6c383fd

        SHA1

        0bb6384656a96943cb427baa92446f987219a02e

        SHA256

        a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f

        SHA512

        fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e

      • \??\globalroot\systemroot\assembly\temp\@

        Filesize

        2KB

        MD5

        3ba387c7fbab7c1e02846b9c1d9b1331

        SHA1

        f03095c4bb9e40b431215a14667538495ff1e019

        SHA256

        d163de45870a45f568d28e0397ea63c9cb4e7d1996de603688324a4e17c333a4

        SHA512

        333ccc840ad7d6fe856cb0eaa6aec93391e22868a9abec02c681ab3963b01b3f03ba56c3289e4ed48f391fef8ed0fa054d35d56c6300eb3bab6805c5ebaf2956

      • memory/336-21-0x0000000002140000-0x0000000002151000-memory.dmp

        Filesize

        68KB

      • memory/336-20-0x0000000002140000-0x0000000002151000-memory.dmp

        Filesize

        68KB

      • memory/336-29-0x0000000002140000-0x0000000002151000-memory.dmp

        Filesize

        68KB

      • memory/336-18-0x0000000000930000-0x0000000000931000-memory.dmp

        Filesize

        4KB

      • memory/836-40-0x00000000008D0000-0x00000000008DB000-memory.dmp

        Filesize

        44KB

      • memory/836-31-0x00000000008C0000-0x00000000008CB000-memory.dmp

        Filesize

        44KB

      • memory/836-42-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/836-43-0x00000000008D0000-0x00000000008DB000-memory.dmp

        Filesize

        44KB

      • memory/836-35-0x00000000008C0000-0x00000000008CB000-memory.dmp

        Filesize

        44KB

      • memory/836-44-0x00000000008D0000-0x00000000008DB000-memory.dmp

        Filesize

        44KB

      • memory/836-39-0x00000000008C0000-0x00000000008CB000-memory.dmp

        Filesize

        44KB

      • memory/924-24-0x0000000000400000-0x0000000000432000-memory.dmp

        Filesize

        200KB

      • memory/924-28-0x0000000000400000-0x0000000000432000-memory.dmp

        Filesize

        200KB

      • memory/924-25-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/924-1-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/924-3-0x0000000000400000-0x0000000000432000-memory.dmp

        Filesize

        200KB

      • memory/924-2-0x0000000000400000-0x0000000000432000-memory.dmp

        Filesize

        200KB

      • memory/924-0-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/1252-12-0x00000000025D0000-0x00000000025D6000-memory.dmp

        Filesize

        24KB

      • memory/1252-13-0x0000000002200000-0x0000000002202000-memory.dmp

        Filesize

        8KB

      • memory/1252-8-0x00000000025D0000-0x00000000025D6000-memory.dmp

        Filesize

        24KB

      • memory/1252-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

        Filesize

        24KB