Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 14:40

General

  • Target

    06eac92f6b9f34702c3d3bd2bd9555e7_JaffaCakes118.exe

  • Size

    494KB

  • MD5

    06eac92f6b9f34702c3d3bd2bd9555e7

  • SHA1

    390bc1b081fcc49ec8b4f5839f7b289e582027c8

  • SHA256

    75ddb6531734dac744769578fb12c7be3a37a090716a14676122ecccc19328d6

  • SHA512

    125b3c361c2d89bb6eaa5c95ee822268612c0d85341667a9ff53df18451723f995f4445c498da94f7521125a6cfb852f5ffd8c1efc933b9e3f607ba1c4f053c1

  • SSDEEP

    6144:8ujkkw+rbv1L7AESgXqvbvewud9Tsh+xpYT7diMRVg6D098gWNlPTGQQm6agrdo9:8F+/B/Sxz2vpm7diMRaCNtTirdorJ/

Score
7/10

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 Windows directory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06eac92f6b9f34702c3d3bd2bd9555e7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\06eac92f6b9f34702c3d3bd2bd9555e7_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\GUOCYOKl.BAT
      2⤵
      • Deletes itself
      PID:2768
  • C:\Windows\lsass.exe
    C:\Windows\lsass.exe
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
        PID:2516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\GUOCYOKl.BAT

      Filesize

      218B

      MD5

      01e30256c4b18e4eb53ab1f6d4ad9683

      SHA1

      450a08357c2774faadf58bf2a2c5280b17865994

      SHA256

      162553d33363b4da8ebf32823247727a0fb7c198e28f9d50e7ec81ebd9209267

      SHA512

      4a78426f8ba4b63b3add0b834e928c315a023237a81588e699f6cb6062c2dd50517a1605a6d05b505a24bf9e31c272f9e64e934aac49ca39e651479bee075e57

    • C:\Windows\lsass.exe

      Filesize

      494KB

      MD5

      06eac92f6b9f34702c3d3bd2bd9555e7

      SHA1

      390bc1b081fcc49ec8b4f5839f7b289e582027c8

      SHA256

      75ddb6531734dac744769578fb12c7be3a37a090716a14676122ecccc19328d6

      SHA512

      125b3c361c2d89bb6eaa5c95ee822268612c0d85341667a9ff53df18451723f995f4445c498da94f7521125a6cfb852f5ffd8c1efc933b9e3f607ba1c4f053c1

    • memory/2228-90-0x0000000000360000-0x00000000003A3000-memory.dmp

      Filesize

      268KB

    • memory/2228-89-0x0000000000400000-0x00000000004F4200-memory.dmp

      Filesize

      976KB

    • memory/2228-103-0x0000000000400000-0x00000000004F4200-memory.dmp

      Filesize

      976KB

    • memory/2228-105-0x0000000000360000-0x00000000003A3000-memory.dmp

      Filesize

      268KB

    • memory/2936-29-0x0000000002100000-0x0000000002101000-memory.dmp

      Filesize

      4KB

    • memory/2936-45-0x0000000002610000-0x0000000002611000-memory.dmp

      Filesize

      4KB

    • memory/2936-6-0x00000000005E0000-0x00000000005E1000-memory.dmp

      Filesize

      4KB

    • memory/2936-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

      Filesize

      4KB

    • memory/2936-3-0x0000000000270000-0x0000000000271000-memory.dmp

      Filesize

      4KB

    • memory/2936-2-0x00000000003E0000-0x00000000003E1000-memory.dmp

      Filesize

      4KB

    • memory/2936-1-0x0000000000370000-0x00000000003B3000-memory.dmp

      Filesize

      268KB

    • memory/2936-8-0x0000000001F40000-0x0000000001F41000-memory.dmp

      Filesize

      4KB

    • memory/2936-15-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

      Filesize

      4KB

    • memory/2936-14-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

      Filesize

      4KB

    • memory/2936-13-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

      Filesize

      4KB

    • memory/2936-12-0x0000000001F70000-0x0000000001F71000-memory.dmp

      Filesize

      4KB

    • memory/2936-11-0x0000000001F30000-0x0000000001F31000-memory.dmp

      Filesize

      4KB

    • memory/2936-17-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

      Filesize

      4KB

    • memory/2936-18-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

      Filesize

      4KB

    • memory/2936-20-0x0000000002000000-0x0000000002001000-memory.dmp

      Filesize

      4KB

    • memory/2936-19-0x0000000002010000-0x0000000002011000-memory.dmp

      Filesize

      4KB

    • memory/2936-16-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

      Filesize

      4KB

    • memory/2936-10-0x0000000001F20000-0x0000000001F21000-memory.dmp

      Filesize

      4KB

    • memory/2936-9-0x0000000001F60000-0x0000000001F61000-memory.dmp

      Filesize

      4KB

    • memory/2936-21-0x0000000002030000-0x0000000002031000-memory.dmp

      Filesize

      4KB

    • memory/2936-25-0x00000000020C0000-0x00000000020C1000-memory.dmp

      Filesize

      4KB

    • memory/2936-47-0x00000000021F0000-0x00000000021F1000-memory.dmp

      Filesize

      4KB

    • memory/2936-46-0x00000000021E0000-0x00000000021E1000-memory.dmp

      Filesize

      4KB

    • memory/2936-23-0x0000000002050000-0x0000000002051000-memory.dmp

      Filesize

      4KB

    • memory/2936-44-0x0000000002620000-0x0000000002621000-memory.dmp

      Filesize

      4KB

    • memory/2936-43-0x00000000021D0000-0x00000000021D1000-memory.dmp

      Filesize

      4KB

    • memory/2936-42-0x00000000021B0000-0x00000000021B1000-memory.dmp

      Filesize

      4KB

    • memory/2936-41-0x00000000021C0000-0x00000000021C1000-memory.dmp

      Filesize

      4KB

    • memory/2936-40-0x0000000002190000-0x0000000002191000-memory.dmp

      Filesize

      4KB

    • memory/2936-39-0x00000000021A0000-0x00000000021A1000-memory.dmp

      Filesize

      4KB

    • memory/2936-38-0x0000000002170000-0x0000000002171000-memory.dmp

      Filesize

      4KB

    • memory/2936-37-0x0000000002180000-0x0000000002181000-memory.dmp

      Filesize

      4KB

    • memory/2936-36-0x0000000002150000-0x0000000002151000-memory.dmp

      Filesize

      4KB

    • memory/2936-35-0x0000000002160000-0x0000000002161000-memory.dmp

      Filesize

      4KB

    • memory/2936-34-0x0000000002130000-0x0000000002131000-memory.dmp

      Filesize

      4KB

    • memory/2936-33-0x0000000002140000-0x0000000002141000-memory.dmp

      Filesize

      4KB

    • memory/2936-32-0x0000000002110000-0x0000000002111000-memory.dmp

      Filesize

      4KB

    • memory/2936-24-0x0000000002040000-0x0000000002041000-memory.dmp

      Filesize

      4KB

    • memory/2936-22-0x0000000002020000-0x0000000002021000-memory.dmp

      Filesize

      4KB

    • memory/2936-4-0x0000000000260000-0x0000000000261000-memory.dmp

      Filesize

      4KB

    • memory/2936-28-0x00000000020D0000-0x00000000020D1000-memory.dmp

      Filesize

      4KB

    • memory/2936-27-0x00000000020E0000-0x00000000020E1000-memory.dmp

      Filesize

      4KB

    • memory/2936-26-0x0000000002060000-0x0000000002061000-memory.dmp

      Filesize

      4KB

    • memory/2936-31-0x0000000002120000-0x0000000002121000-memory.dmp

      Filesize

      4KB

    • memory/2936-7-0x0000000001F50000-0x0000000001F53000-memory.dmp

      Filesize

      12KB

    • memory/2936-30-0x00000000020F0000-0x00000000020F1000-memory.dmp

      Filesize

      4KB

    • memory/2936-51-0x0000000002630000-0x0000000002631000-memory.dmp

      Filesize

      4KB

    • memory/2936-50-0x0000000002640000-0x0000000002641000-memory.dmp

      Filesize

      4KB

    • memory/2936-53-0x0000000002650000-0x0000000002651000-memory.dmp

      Filesize

      4KB

    • memory/2936-52-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/2936-54-0x0000000002680000-0x0000000002681000-memory.dmp

      Filesize

      4KB

    • memory/2936-56-0x00000000026A0000-0x00000000026A1000-memory.dmp

      Filesize

      4KB

    • memory/2936-55-0x0000000002670000-0x0000000002671000-memory.dmp

      Filesize

      4KB

    • memory/2936-57-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/2936-58-0x0000000002800000-0x0000000002801000-memory.dmp

      Filesize

      4KB

    • memory/2936-59-0x00000000027F0000-0x00000000027F1000-memory.dmp

      Filesize

      4KB

    • memory/2936-60-0x0000000003560000-0x0000000003561000-memory.dmp

      Filesize

      4KB

    • memory/2936-62-0x0000000003580000-0x0000000003581000-memory.dmp

      Filesize

      4KB

    • memory/2936-61-0x0000000003550000-0x0000000003551000-memory.dmp

      Filesize

      4KB

    • memory/2936-65-0x0000000003590000-0x0000000003591000-memory.dmp

      Filesize

      4KB

    • memory/2936-64-0x00000000035A0000-0x00000000035A1000-memory.dmp

      Filesize

      4KB

    • memory/2936-63-0x0000000003570000-0x0000000003571000-memory.dmp

      Filesize

      4KB

    • memory/2936-66-0x00000000035C0000-0x00000000035C1000-memory.dmp

      Filesize

      4KB

    • memory/2936-68-0x00000000035E0000-0x00000000035E1000-memory.dmp

      Filesize

      4KB

    • memory/2936-67-0x00000000035B0000-0x00000000035B1000-memory.dmp

      Filesize

      4KB

    • memory/2936-69-0x00000000035D0000-0x00000000035D1000-memory.dmp

      Filesize

      4KB

    • memory/2936-70-0x0000000003600000-0x0000000003601000-memory.dmp

      Filesize

      4KB

    • memory/2936-72-0x0000000003620000-0x0000000003621000-memory.dmp

      Filesize

      4KB

    • memory/2936-71-0x00000000035F0000-0x00000000035F1000-memory.dmp

      Filesize

      4KB

    • memory/2936-73-0x0000000003610000-0x0000000003611000-memory.dmp

      Filesize

      4KB

    • memory/2936-74-0x0000000003640000-0x0000000003641000-memory.dmp

      Filesize

      4KB

    • memory/2936-75-0x0000000003630000-0x0000000003631000-memory.dmp

      Filesize

      4KB

    • memory/2936-76-0x0000000003660000-0x0000000003661000-memory.dmp

      Filesize

      4KB

    • memory/2936-77-0x0000000003650000-0x0000000003651000-memory.dmp

      Filesize

      4KB

    • memory/2936-78-0x0000000003680000-0x0000000003681000-memory.dmp

      Filesize

      4KB

    • memory/2936-79-0x0000000003670000-0x0000000003671000-memory.dmp

      Filesize

      4KB

    • memory/2936-80-0x0000000003690000-0x0000000003691000-memory.dmp

      Filesize

      4KB

    • memory/2936-81-0x00000000036C0000-0x00000000036C1000-memory.dmp

      Filesize

      4KB

    • memory/2936-82-0x00000000036D0000-0x00000000036D1000-memory.dmp

      Filesize

      4KB

    • memory/2936-83-0x00000000036A0000-0x00000000036A1000-memory.dmp

      Filesize

      4KB

    • memory/2936-84-0x00000000036B0000-0x00000000036B1000-memory.dmp

      Filesize

      4KB

    • memory/2936-85-0x00000000036E0000-0x00000000036E1000-memory.dmp

      Filesize

      4KB

    • memory/2936-87-0x00000000036F0000-0x00000000036F1000-memory.dmp

      Filesize

      4KB

    • memory/2936-86-0x0000000003700000-0x0000000003701000-memory.dmp

      Filesize

      4KB

    • memory/2936-91-0x0000000000400000-0x00000000004F4200-memory.dmp

      Filesize

      976KB

    • memory/2936-101-0x0000000000370000-0x00000000003B3000-memory.dmp

      Filesize

      268KB

    • memory/2936-0-0x0000000000400000-0x00000000004F4200-memory.dmp

      Filesize

      976KB

    • memory/2936-100-0x0000000000400000-0x00000000004F4200-memory.dmp

      Filesize

      976KB