Analysis

  • max time kernel
    135s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/04/2024, 22:43

General

  • Target

    e898a462e17b7b76a28c6bb532449533_JaffaCakes118.exe

  • Size

    471KB

  • MD5

    e898a462e17b7b76a28c6bb532449533

  • SHA1

    4b72c687640960fe9196d62ac8c7705067b4a093

  • SHA256

    e17313e548adeb9f0dcb5a05af7e98fed2d2a36f9ec27e74997e06e1b50e0d08

  • SHA512

    795e095c2a7d15fc01d98b3532a3b325ac2d22f66b5b232e7d443c6d575745616000903feb31d1d6c64c1af431af3711d95c622b3ba594de22b3ec7c87f1d618

  • SSDEEP

    6144:2FP5KmElEoV9a8nEobA8hIuuxLbKMHy4GcIFC6SHFEm9+wuOtVUuaJy0PAEIrtAX:2SPxa4EUP0nKMHy4LHFEm9+wFV/axIe

Score
7/10

Malware Config

Signatures

  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e898a462e17b7b76a28c6bb532449533_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e898a462e17b7b76a28c6bb532449533_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2928
  • C:\Windows\windos.exe
    C:\Windows\windos.exe
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
        PID:2764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\KNJEQY.DAT

      Filesize

      51KB

      MD5

      4bc5193cb394e7aeb08ddbc0d99e0053

      SHA1

      8e34152d1a6ef18be7e0fc933ae19d885efb0b1b

      SHA256

      058048474aac6bdf29cbc4a6b10ed600636fb53e6b5f569f2b24cd42a13546f8

      SHA512

      b00118bc3bb95664a1a05fb3d5cddbf6bb6dd8b69cec39f81929b9b1d7c71d146531c93a9d92d6feabf416529247bd67c73feec5fac4b505be10a89313a4c439

    • C:\Windows\windos.exe

      Filesize

      471KB

      MD5

      e898a462e17b7b76a28c6bb532449533

      SHA1

      4b72c687640960fe9196d62ac8c7705067b4a093

      SHA256

      e17313e548adeb9f0dcb5a05af7e98fed2d2a36f9ec27e74997e06e1b50e0d08

      SHA512

      795e095c2a7d15fc01d98b3532a3b325ac2d22f66b5b232e7d443c6d575745616000903feb31d1d6c64c1af431af3711d95c622b3ba594de22b3ec7c87f1d618

    • memory/2928-0-0x0000000000400000-0x000000000057C000-memory.dmp

      Filesize

      1.5MB

    • memory/2928-1-0x00000000002D0000-0x00000000002D1000-memory.dmp

      Filesize

      4KB

    • memory/2928-2-0x0000000000320000-0x0000000000363000-memory.dmp

      Filesize

      268KB

    • memory/2928-5-0x00000000002D0000-0x00000000002D1000-memory.dmp

      Filesize

      4KB

    • memory/2928-35-0x00000000025C0000-0x00000000025C1000-memory.dmp

      Filesize

      4KB

    • memory/2928-65-0x0000000002810000-0x0000000002811000-memory.dmp

      Filesize

      4KB

    • memory/2928-66-0x0000000002800000-0x0000000002801000-memory.dmp

      Filesize

      4KB

    • memory/2928-64-0x00000000027E0000-0x00000000027E1000-memory.dmp

      Filesize

      4KB

    • memory/2928-63-0x00000000027F0000-0x00000000027F1000-memory.dmp

      Filesize

      4KB

    • memory/2928-62-0x00000000027C0000-0x00000000027C1000-memory.dmp

      Filesize

      4KB

    • memory/2928-61-0x00000000027D0000-0x00000000027D1000-memory.dmp

      Filesize

      4KB

    • memory/2928-60-0x00000000027A0000-0x00000000027A1000-memory.dmp

      Filesize

      4KB

    • memory/2928-59-0x00000000027B0000-0x00000000027B1000-memory.dmp

      Filesize

      4KB

    • memory/2928-58-0x0000000002780000-0x0000000002781000-memory.dmp

      Filesize

      4KB

    • memory/2928-57-0x0000000002790000-0x0000000002791000-memory.dmp

      Filesize

      4KB

    • memory/2928-56-0x0000000002760000-0x0000000002761000-memory.dmp

      Filesize

      4KB

    • memory/2928-55-0x0000000002700000-0x0000000002701000-memory.dmp

      Filesize

      4KB

    • memory/2928-54-0x0000000002710000-0x0000000002711000-memory.dmp

      Filesize

      4KB

    • memory/2928-53-0x00000000026E0000-0x00000000026E1000-memory.dmp

      Filesize

      4KB

    • memory/2928-52-0x00000000026F0000-0x00000000026F1000-memory.dmp

      Filesize

      4KB

    • memory/2928-51-0x00000000026C0000-0x00000000026C1000-memory.dmp

      Filesize

      4KB

    • memory/2928-50-0x00000000026D0000-0x00000000026D1000-memory.dmp

      Filesize

      4KB

    • memory/2928-49-0x00000000026A0000-0x00000000026A1000-memory.dmp

      Filesize

      4KB

    • memory/2928-48-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/2928-47-0x0000000002670000-0x0000000002671000-memory.dmp

      Filesize

      4KB

    • memory/2928-46-0x0000000002680000-0x0000000002681000-memory.dmp

      Filesize

      4KB

    • memory/2928-45-0x0000000002640000-0x0000000002641000-memory.dmp

      Filesize

      4KB

    • memory/2928-44-0x0000000002620000-0x0000000002621000-memory.dmp

      Filesize

      4KB

    • memory/2928-43-0x0000000002630000-0x0000000002631000-memory.dmp

      Filesize

      4KB

    • memory/2928-42-0x0000000002600000-0x0000000002601000-memory.dmp

      Filesize

      4KB

    • memory/2928-41-0x0000000002610000-0x0000000002611000-memory.dmp

      Filesize

      4KB

    • memory/2928-37-0x00000000025E0000-0x00000000025E1000-memory.dmp

      Filesize

      4KB

    • memory/2928-36-0x00000000025F0000-0x00000000025F1000-memory.dmp

      Filesize

      4KB

    • memory/2928-34-0x00000000025D0000-0x00000000025D1000-memory.dmp

      Filesize

      4KB

    • memory/2928-33-0x00000000025A0000-0x00000000025A1000-memory.dmp

      Filesize

      4KB

    • memory/2928-32-0x00000000025B0000-0x00000000025B1000-memory.dmp

      Filesize

      4KB

    • memory/2928-31-0x0000000002580000-0x0000000002581000-memory.dmp

      Filesize

      4KB

    • memory/2928-30-0x0000000002590000-0x0000000002591000-memory.dmp

      Filesize

      4KB

    • memory/2928-29-0x0000000002070000-0x0000000002071000-memory.dmp

      Filesize

      4KB

    • memory/2928-28-0x0000000002080000-0x0000000002081000-memory.dmp

      Filesize

      4KB

    • memory/2928-27-0x0000000002050000-0x0000000002051000-memory.dmp

      Filesize

      4KB

    • memory/2928-26-0x0000000002060000-0x0000000002061000-memory.dmp

      Filesize

      4KB

    • memory/2928-25-0x0000000002030000-0x0000000002031000-memory.dmp

      Filesize

      4KB

    • memory/2928-24-0x0000000002040000-0x0000000002041000-memory.dmp

      Filesize

      4KB

    • memory/2928-23-0x0000000002010000-0x0000000002011000-memory.dmp

      Filesize

      4KB

    • memory/2928-22-0x0000000002020000-0x0000000002021000-memory.dmp

      Filesize

      4KB

    • memory/2928-21-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

      Filesize

      4KB

    • memory/2928-20-0x0000000001F90000-0x0000000001F91000-memory.dmp

      Filesize

      4KB

    • memory/2928-19-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

      Filesize

      4KB

    • memory/2928-18-0x0000000001F70000-0x0000000001F71000-memory.dmp

      Filesize

      4KB

    • memory/2928-17-0x0000000001F80000-0x0000000001F81000-memory.dmp

      Filesize

      4KB

    • memory/2928-16-0x0000000001F50000-0x0000000001F51000-memory.dmp

      Filesize

      4KB

    • memory/2928-15-0x0000000001F60000-0x0000000001F61000-memory.dmp

      Filesize

      4KB

    • memory/2928-14-0x0000000000890000-0x0000000000891000-memory.dmp

      Filesize

      4KB

    • memory/2928-13-0x00000000008A0000-0x00000000008A1000-memory.dmp

      Filesize

      4KB

    • memory/2928-12-0x00000000005D0000-0x00000000005D1000-memory.dmp

      Filesize

      4KB

    • memory/2928-11-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/2928-10-0x0000000000580000-0x0000000000581000-memory.dmp

      Filesize

      4KB

    • memory/2928-9-0x00000000005C0000-0x00000000005C1000-memory.dmp

      Filesize

      4KB

    • memory/2928-8-0x00000000005A0000-0x00000000005A1000-memory.dmp

      Filesize

      4KB

    • memory/2928-7-0x00000000005B0000-0x00000000005B3000-memory.dmp

      Filesize

      12KB

    • memory/2928-6-0x00000000003B0000-0x00000000003B1000-memory.dmp

      Filesize

      4KB

    • memory/2928-4-0x00000000002E0000-0x00000000002E1000-memory.dmp

      Filesize

      4KB

    • memory/2928-3-0x00000000003D0000-0x00000000003D1000-memory.dmp

      Filesize

      4KB

    • memory/3064-104-0x00000000031F0000-0x0000000003201000-memory.dmp

      Filesize

      68KB