Analysis

  • max time kernel
    138s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 02:16

General

  • Target

    889b70504feb4c98399d7febb455605f_JaffaCakes118.exe

  • Size

    164KB

  • MD5

    889b70504feb4c98399d7febb455605f

  • SHA1

    390099520b7e4406ac66d535471a49ab1e0c40b9

  • SHA256

    95620a97585a8b04898c39dd0081de82204ec2315851cd9f94421db944d39d41

  • SHA512

    f8eb654986982a1cee236e1d341703c5075598e7d4e8122be9bf00d134bfee26ada15b5be36f86e5e5c0fbcaac1929a71aa1528c39a62cb5291dfdb84ca90470

  • SSDEEP

    3072:U02MNq2/G33P32mRenNJ0nwZ4+jfnlLAK3OV79FNRgL/ZnPv0AK2:dTlq3P3d+NJteifxH3ABRW/Fsd

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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 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:332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:840
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\889b70504feb4c98399d7febb455605f_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\889b70504feb4c98399d7febb455605f_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:112
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Deletes itself
          • System Location Discovery: System Language Discovery
          PID:2696

    Network

    MITRE ATT&CK Enterprise v15

    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

      cd95f25a17d1302d989b85a4575be00c

      SHA1

      e2e24dec7eb0e36ab74c99730bca13066c85734c

      SHA256

      8cca8ba1071b00bd08337749e86a2b9672eb6c34e78ecd03e6b5934ea464d6b1

      SHA512

      2823c9016557c586152421030e924cbca842773cff3336fce2a037b03c26d4ee65a36d5af589ca81d21f71df746a23c72e5577408d2452f10119dd4f356b6c7f

    • memory/112-24-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/112-1-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/112-2-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/112-3-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/112-0-0x0000000000401000-0x0000000000405000-memory.dmp

      Filesize

      16KB

    • memory/112-29-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/112-26-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/112-25-0x0000000000401000-0x0000000000405000-memory.dmp

      Filesize

      16KB

    • memory/332-31-0x00000000022A0000-0x00000000022B1000-memory.dmp

      Filesize

      68KB

    • memory/332-22-0x0000000002270000-0x0000000002271000-memory.dmp

      Filesize

      4KB

    • memory/332-23-0x00000000022A0000-0x00000000022B1000-memory.dmp

      Filesize

      68KB

    • memory/332-19-0x00000000022A0000-0x00000000022B1000-memory.dmp

      Filesize

      68KB

    • memory/332-30-0x0000000002270000-0x0000000002271000-memory.dmp

      Filesize

      4KB

    • memory/840-33-0x0000000000BC0000-0x0000000000BCB000-memory.dmp

      Filesize

      44KB

    • memory/840-42-0x0000000000BD0000-0x0000000000BDB000-memory.dmp

      Filesize

      44KB

    • memory/840-41-0x0000000000BC0000-0x0000000000BCB000-memory.dmp

      Filesize

      44KB

    • memory/840-38-0x0000000000BC0000-0x0000000000BCB000-memory.dmp

      Filesize

      44KB

    • memory/840-45-0x0000000000BD0000-0x0000000000BDB000-memory.dmp

      Filesize

      44KB

    • memory/840-44-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

      Filesize

      4KB

    • memory/840-46-0x0000000000BD0000-0x0000000000BDB000-memory.dmp

      Filesize

      44KB

    • memory/1268-13-0x00000000025A0000-0x00000000025A2000-memory.dmp

      Filesize

      8KB

    • memory/1268-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

      Filesize

      24KB

    • memory/1268-8-0x00000000025B0000-0x00000000025B6000-memory.dmp

      Filesize

      24KB

    • memory/1268-12-0x00000000025B0000-0x00000000025B6000-memory.dmp

      Filesize

      24KB