Analysis

  • max time kernel
    141s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 04:42

General

  • Target

    JaffaCakes118_8a55a4606de742c012ad903946faac81.exe

  • Size

    437KB

  • MD5

    8a55a4606de742c012ad903946faac81

  • SHA1

    5e8d236c2109c7afe37b0cad500ea939998fc45f

  • SHA256

    87f564e5365b16026cda769dd1a4c81ca4cc729f1ec11a2de6a4b8a5bf603568

  • SHA512

    3d8f85e8b9a5833d6836cd0905338dcdf0cf4f77c311905a63530f45b3a4cf060c2451ff2967613975ddd1b6d28039b56798025750723a59e50e8cae6aa30668

  • SSDEEP

    6144:X1b1OBsinPQktNSWN5wZyGZSCvbIyAOYMTwjIVS2i98gWNlPTGQQm6agrdM3SQ:X1CnP/tNSWN0lM45Twj2S2dNtTirdOS

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a55a4606de742c012ad903946faac81.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a55a4606de742c012ad903946faac81.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\uninstal.bat
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2028
  • C:\Windows\system ide
    "C:\Windows\system ide"
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
        PID:1036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\system ide

      Filesize

      437KB

      MD5

      8a55a4606de742c012ad903946faac81

      SHA1

      5e8d236c2109c7afe37b0cad500ea939998fc45f

      SHA256

      87f564e5365b16026cda769dd1a4c81ca4cc729f1ec11a2de6a4b8a5bf603568

      SHA512

      3d8f85e8b9a5833d6836cd0905338dcdf0cf4f77c311905a63530f45b3a4cf060c2451ff2967613975ddd1b6d28039b56798025750723a59e50e8cae6aa30668

    • C:\Windows\uninstal.bat

      Filesize

      218B

      MD5

      215c4662e12a0279eb1452b68f07dc94

      SHA1

      1715cf369ed58e393352f7473982154e23690ad0

      SHA256

      9f7372e9c24d15bb313a6a611c6d0009f9b71d063de7541746536bfa2fc9c9eb

      SHA512

      2ee2878c74125bb6a5cccff13daee4f43f4d6cc92e27bd8c9779d2c7c0eeb237f1c5121da836b79628be87deb5f2fead890d93f00add8f896e5022f38292cb11

    • memory/1936-102-0x0000000000400000-0x00000000004E8000-memory.dmp

      Filesize

      928KB

    • memory/1936-101-0x0000000000330000-0x0000000000373000-memory.dmp

      Filesize

      268KB

    • memory/1936-91-0x0000000000330000-0x0000000000373000-memory.dmp

      Filesize

      268KB

    • memory/1936-88-0x0000000000400000-0x00000000004E8000-memory.dmp

      Filesize

      928KB

    • memory/1936-85-0x0000000003AD0000-0x0000000003AD1000-memory.dmp

      Filesize

      4KB

    • memory/1936-86-0x0000000003AC0000-0x0000000003AC1000-memory.dmp

      Filesize

      4KB

    • memory/1936-84-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

      Filesize

      4KB

    • memory/1936-83-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

      Filesize

      4KB

    • memory/1936-82-0x0000000003A80000-0x0000000003A81000-memory.dmp

      Filesize

      4KB

    • memory/1936-81-0x0000000003A90000-0x0000000003A91000-memory.dmp

      Filesize

      4KB

    • memory/1936-80-0x0000000003A60000-0x0000000003A61000-memory.dmp

      Filesize

      4KB

    • memory/1936-79-0x0000000003A70000-0x0000000003A71000-memory.dmp

      Filesize

      4KB

    • memory/1936-78-0x0000000003A40000-0x0000000003A41000-memory.dmp

      Filesize

      4KB

    • memory/1936-77-0x0000000003A50000-0x0000000003A51000-memory.dmp

      Filesize

      4KB

    • memory/1936-76-0x0000000003A20000-0x0000000003A21000-memory.dmp

      Filesize

      4KB

    • memory/1936-75-0x0000000003A30000-0x0000000003A31000-memory.dmp

      Filesize

      4KB

    • memory/1936-74-0x0000000003A00000-0x0000000003A01000-memory.dmp

      Filesize

      4KB

    • memory/1936-73-0x0000000003A10000-0x0000000003A11000-memory.dmp

      Filesize

      4KB

    • memory/1936-72-0x00000000039E0000-0x00000000039E1000-memory.dmp

      Filesize

      4KB

    • memory/1936-71-0x00000000039F0000-0x00000000039F1000-memory.dmp

      Filesize

      4KB

    • memory/1936-70-0x00000000039C0000-0x00000000039C1000-memory.dmp

      Filesize

      4KB

    • memory/1936-69-0x00000000039D0000-0x00000000039D1000-memory.dmp

      Filesize

      4KB

    • memory/1936-68-0x00000000039A0000-0x00000000039A1000-memory.dmp

      Filesize

      4KB

    • memory/1936-67-0x00000000039B0000-0x00000000039B1000-memory.dmp

      Filesize

      4KB

    • memory/1936-66-0x0000000003980000-0x0000000003981000-memory.dmp

      Filesize

      4KB

    • memory/1936-65-0x0000000003990000-0x0000000003991000-memory.dmp

      Filesize

      4KB

    • memory/1936-64-0x0000000003960000-0x0000000003961000-memory.dmp

      Filesize

      4KB

    • memory/1936-63-0x0000000003970000-0x0000000003971000-memory.dmp

      Filesize

      4KB

    • memory/1936-62-0x0000000003940000-0x0000000003941000-memory.dmp

      Filesize

      4KB

    • memory/1936-61-0x0000000003950000-0x0000000003951000-memory.dmp

      Filesize

      4KB

    • memory/1936-60-0x0000000003920000-0x0000000003921000-memory.dmp

      Filesize

      4KB

    • memory/1936-59-0x0000000003930000-0x0000000003931000-memory.dmp

      Filesize

      4KB

    • memory/1936-58-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

      Filesize

      4KB

    • memory/1936-57-0x0000000002BD0000-0x0000000002BD1000-memory.dmp

      Filesize

      4KB

    • memory/1936-54-0x0000000002A60000-0x0000000002A61000-memory.dmp

      Filesize

      4KB

    • memory/1936-53-0x0000000002A70000-0x0000000002A71000-memory.dmp

      Filesize

      4KB

    • memory/1936-52-0x0000000002A40000-0x0000000002A41000-memory.dmp

      Filesize

      4KB

    • memory/1936-51-0x0000000002A50000-0x0000000002A51000-memory.dmp

      Filesize

      4KB

    • memory/1936-50-0x0000000002A20000-0x0000000002A21000-memory.dmp

      Filesize

      4KB

    • memory/1936-49-0x0000000002A30000-0x0000000002A31000-memory.dmp

      Filesize

      4KB

    • memory/1936-48-0x0000000002A00000-0x0000000002A01000-memory.dmp

      Filesize

      4KB

    • memory/1936-47-0x0000000002A10000-0x0000000002A11000-memory.dmp

      Filesize

      4KB

    • memory/1936-46-0x00000000029D0000-0x00000000029D1000-memory.dmp

      Filesize

      4KB

    • memory/1936-45-0x00000000029E0000-0x00000000029E1000-memory.dmp

      Filesize

      4KB

    • memory/1936-44-0x00000000029F0000-0x00000000029F1000-memory.dmp

      Filesize

      4KB

    • memory/1936-43-0x00000000029B0000-0x00000000029B1000-memory.dmp

      Filesize

      4KB

    • memory/1936-42-0x00000000029C0000-0x00000000029C1000-memory.dmp

      Filesize

      4KB

    • memory/1936-41-0x0000000000330000-0x0000000000373000-memory.dmp

      Filesize

      268KB

    • memory/1936-40-0x0000000002990000-0x0000000002991000-memory.dmp

      Filesize

      4KB

    • memory/1936-39-0x00000000029A0000-0x00000000029A1000-memory.dmp

      Filesize

      4KB

    • memory/1936-38-0x0000000002970000-0x0000000002971000-memory.dmp

      Filesize

      4KB

    • memory/1936-37-0x0000000002980000-0x0000000002981000-memory.dmp

      Filesize

      4KB

    • memory/1936-36-0x0000000002950000-0x0000000002951000-memory.dmp

      Filesize

      4KB

    • memory/1936-35-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/1936-34-0x0000000002930000-0x0000000002931000-memory.dmp

      Filesize

      4KB

    • memory/1936-33-0x0000000002940000-0x0000000002941000-memory.dmp

      Filesize

      4KB

    • memory/1936-32-0x0000000002910000-0x0000000002911000-memory.dmp

      Filesize

      4KB

    • memory/1936-31-0x0000000002920000-0x0000000002921000-memory.dmp

      Filesize

      4KB

    • memory/1936-30-0x00000000028F0000-0x00000000028F1000-memory.dmp

      Filesize

      4KB

    • memory/1936-29-0x0000000002900000-0x0000000002901000-memory.dmp

      Filesize

      4KB

    • memory/1936-28-0x00000000027D0000-0x00000000027D1000-memory.dmp

      Filesize

      4KB

    • memory/1936-27-0x00000000027E0000-0x00000000027E1000-memory.dmp

      Filesize

      4KB

    • memory/1936-26-0x00000000027B0000-0x00000000027B1000-memory.dmp

      Filesize

      4KB

    • memory/1936-25-0x00000000027C0000-0x00000000027C1000-memory.dmp

      Filesize

      4KB

    • memory/1936-24-0x0000000002790000-0x0000000002791000-memory.dmp

      Filesize

      4KB

    • memory/1936-23-0x00000000027A0000-0x00000000027A1000-memory.dmp

      Filesize

      4KB

    • memory/1936-22-0x0000000002770000-0x0000000002771000-memory.dmp

      Filesize

      4KB

    • memory/1936-21-0x0000000002780000-0x0000000002781000-memory.dmp

      Filesize

      4KB

    • memory/1936-20-0x0000000002750000-0x0000000002751000-memory.dmp

      Filesize

      4KB

    • memory/1936-19-0x0000000002760000-0x0000000002761000-memory.dmp

      Filesize

      4KB

    • memory/1936-18-0x0000000002340000-0x0000000002341000-memory.dmp

      Filesize

      4KB

    • memory/1936-17-0x0000000002350000-0x0000000002351000-memory.dmp

      Filesize

      4KB

    • memory/1936-16-0x0000000002320000-0x0000000002321000-memory.dmp

      Filesize

      4KB

    • memory/1936-15-0x0000000002330000-0x0000000002331000-memory.dmp

      Filesize

      4KB

    • memory/1936-14-0x0000000002300000-0x0000000002301000-memory.dmp

      Filesize

      4KB

    • memory/1936-13-0x0000000002310000-0x0000000002311000-memory.dmp

      Filesize

      4KB

    • memory/1936-12-0x00000000022E0000-0x00000000022E1000-memory.dmp

      Filesize

      4KB

    • memory/1936-11-0x00000000022F0000-0x00000000022F1000-memory.dmp

      Filesize

      4KB

    • memory/1936-10-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/1936-9-0x0000000000550000-0x0000000000551000-memory.dmp

      Filesize

      4KB

    • memory/1936-8-0x0000000000540000-0x0000000000541000-memory.dmp

      Filesize

      4KB

    • memory/1936-7-0x0000000000580000-0x0000000000581000-memory.dmp

      Filesize

      4KB

    • memory/1936-6-0x0000000000560000-0x0000000000561000-memory.dmp

      Filesize

      4KB

    • memory/1936-5-0x0000000000570000-0x0000000000573000-memory.dmp

      Filesize

      12KB

    • memory/1936-4-0x0000000000530000-0x0000000000531000-memory.dmp

      Filesize

      4KB

    • memory/1936-3-0x00000000002E0000-0x00000000002E1000-memory.dmp

      Filesize

      4KB

    • memory/1936-2-0x00000000002F0000-0x00000000002F1000-memory.dmp

      Filesize

      4KB

    • memory/1936-1-0x0000000000510000-0x0000000000511000-memory.dmp

      Filesize

      4KB

    • memory/1936-0-0x0000000000400000-0x00000000004E8000-memory.dmp

      Filesize

      928KB

    • memory/2016-90-0x0000000000360000-0x00000000003A3000-memory.dmp

      Filesize

      268KB

    • memory/2016-89-0x0000000000400000-0x00000000004E8000-memory.dmp

      Filesize

      928KB

    • memory/2016-104-0x0000000000400000-0x00000000004E8000-memory.dmp

      Filesize

      928KB

    • memory/2016-105-0x0000000000360000-0x00000000003A3000-memory.dmp

      Filesize

      268KB

    • memory/2016-110-0x0000000000400000-0x00000000004E8000-memory.dmp

      Filesize

      928KB