Windows 7 deprecation

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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 04:20

General

  • Target

    2ab6e7b7483e6772e91f81cd19a2a64e_JaffaCakes118.exe

  • Size

    76KB

  • MD5

    2ab6e7b7483e6772e91f81cd19a2a64e

  • SHA1

    166e22172561b6990819b45ade6eb8722e788b59

  • SHA256

    f39813151c75cdf998a2a9022b9a028e39dfd116cc5f37028852747225a8ff25

  • SHA512

    08b0032dfbc47659713287d919dd62cb6e6e5ea7f21d90ec139a3599c1c913835ac423338d9e2c07d3f8a6666d176276cd7e3df44b081a1f26335fd52d864e90

  • SSDEEP

    768:QZVy+DZ4mV+RMO2rhgFwuqCbxTGy/BBGg4NKhLU4dhbDW2+Kv00dX0vN0TlT+Xym:iamlu3hbBGy3G8nhMpDn

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 27 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.

  • Modifies registry class 36 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ab6e7b7483e6772e91f81cd19a2a64e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2ab6e7b7483e6772e91f81cd19a2a64e_JaffaCakes118.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4212
    • \??\c:\Documents and Settings\Admin\Application Data\Microsoft\iznw.exe
      "c:\Documents and Settings\Admin\Application Data\Microsoft\iznw.exe" 2ab6e7b7483e6772e91f81cd19a2a64e_JaffaCakes118
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\iznw.exe

    Filesize

    76KB

    MD5

    107307ee5517c343a1299b46454a43e0

    SHA1

    54a88304778f01a0c96482827f1c2a13ecfd739e

    SHA256

    7cd66ea4f72b8badbf41e77df42306ccc39a4b837ea87b1cbf20c26b127eb737

    SHA512

    05109e1d9450fdcc37edfc315d4919305aab89099f9faa942823fab6bfc860abeb1f67bee05f04896e67773288f3fc956cf3052271721967e0635e735c2f91c4

  • \??\c:\windows\SysWOW64\Windows 3D.scr

    Filesize

    76KB

    MD5

    1d7b8cd3783476028f78434e4eecf8ff

    SHA1

    7e7479b44627ae6d3275768500db086dee03a97f

    SHA256

    39509a7718bb5530acdf920fa177bc662afc8f4d788553d298e51426bd43764b

    SHA512

    55df5b16421080dbb66230c2591e90f7f236e32095827826658e096d433a04ff3a3b5a4aa506d4ba2ba1a4c4883083719a6cd4a2519b37ed6257157572eb40ec

  • \??\c:\windows\SysWOW64\maxtrox.txt

    Filesize

    8B

    MD5

    24865ca220aa1936cbac0a57685217c5

    SHA1

    37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

    SHA256

    841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

    SHA512

    c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062