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Analysis

  • max time kernel
    141s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2024, 06:59

General

  • Target

    e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe

  • Size

    497KB

  • MD5

    e1f0394e7a92e7a6882874c87fa10821

  • SHA1

    e14df8aa6899ada28756d88976fb1e485fbfaad6

  • SHA256

    57adf57219631876c6264c2f2dcd18f83537b80525bed3217db28c9e56613acf

  • SHA512

    af5d3a4c7117f74c541493e03c2f10a81ab13606e91df8bab8b2a0f8a30b2fb99680d6a0592d0bc551ab0c7c62544240875126258276f179a6870ec7838ba156

  • SSDEEP

    12288:31Ra1rN4wopVauKAxZkhwryPNtTirdorX:3Drp4XAx+hwrynTEdo

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 System32 directory 1 IoCs
  • Drops file in Windows directory 2 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 data under HKEY_USERS 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2644
  • C:\Windows\EntSver.exe
    C:\Windows\EntSver.exe
    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:2832
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
        PID:2184

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\EntSver.exe

      Filesize

      497KB

      MD5

      e1f0394e7a92e7a6882874c87fa10821

      SHA1

      e14df8aa6899ada28756d88976fb1e485fbfaad6

      SHA256

      57adf57219631876c6264c2f2dcd18f83537b80525bed3217db28c9e56613acf

      SHA512

      af5d3a4c7117f74c541493e03c2f10a81ab13606e91df8bab8b2a0f8a30b2fb99680d6a0592d0bc551ab0c7c62544240875126258276f179a6870ec7838ba156

    • memory/2644-0-0x0000000000400000-0x00000000004F7000-memory.dmp

      Filesize

      988KB

    • memory/2644-7-0x00000000022B0000-0x00000000022B3000-memory.dmp

      Filesize

      12KB

    • memory/2644-6-0x0000000000900000-0x0000000000901000-memory.dmp

      Filesize

      4KB

    • memory/2644-29-0x0000000002410000-0x0000000002411000-memory.dmp

      Filesize

      4KB

    • memory/2644-28-0x00000000023E0000-0x00000000023E1000-memory.dmp

      Filesize

      4KB

    • memory/2644-65-0x00000000035C0000-0x00000000035C1000-memory.dmp

      Filesize

      4KB

    • memory/2644-85-0x0000000003540000-0x0000000003541000-memory.dmp

      Filesize

      4KB

    • memory/2644-84-0x00000000036D0000-0x00000000036D1000-memory.dmp

      Filesize

      4KB

    • memory/2644-83-0x00000000036E0000-0x00000000036E1000-memory.dmp

      Filesize

      4KB

    • memory/2644-82-0x00000000036B0000-0x00000000036B1000-memory.dmp

      Filesize

      4KB

    • memory/2644-81-0x00000000036C0000-0x00000000036C1000-memory.dmp

      Filesize

      4KB

    • memory/2644-80-0x0000000003690000-0x0000000003691000-memory.dmp

      Filesize

      4KB

    • memory/2644-79-0x00000000036A0000-0x00000000036A1000-memory.dmp

      Filesize

      4KB

    • memory/2644-78-0x0000000003670000-0x0000000003671000-memory.dmp

      Filesize

      4KB

    • memory/2644-77-0x0000000003680000-0x0000000003681000-memory.dmp

      Filesize

      4KB

    • memory/2644-76-0x0000000003650000-0x0000000003651000-memory.dmp

      Filesize

      4KB

    • memory/2644-75-0x0000000003660000-0x0000000003661000-memory.dmp

      Filesize

      4KB

    • memory/2644-74-0x0000000003630000-0x0000000003631000-memory.dmp

      Filesize

      4KB

    • memory/2644-73-0x0000000003640000-0x0000000003641000-memory.dmp

      Filesize

      4KB

    • memory/2644-72-0x0000000003610000-0x0000000003611000-memory.dmp

      Filesize

      4KB

    • memory/2644-71-0x0000000003620000-0x0000000003621000-memory.dmp

      Filesize

      4KB

    • memory/2644-70-0x00000000035F0000-0x00000000035F1000-memory.dmp

      Filesize

      4KB

    • memory/2644-69-0x0000000003600000-0x0000000003601000-memory.dmp

      Filesize

      4KB

    • memory/2644-68-0x00000000035D0000-0x00000000035D1000-memory.dmp

      Filesize

      4KB

    • memory/2644-67-0x00000000035E0000-0x00000000035E1000-memory.dmp

      Filesize

      4KB

    • memory/2644-66-0x00000000035B0000-0x00000000035B1000-memory.dmp

      Filesize

      4KB

    • memory/2644-64-0x0000000003590000-0x0000000003591000-memory.dmp

      Filesize

      4KB

    • memory/2644-63-0x00000000035A0000-0x00000000035A1000-memory.dmp

      Filesize

      4KB

    • memory/2644-62-0x0000000003570000-0x0000000003571000-memory.dmp

      Filesize

      4KB

    • memory/2644-61-0x0000000003580000-0x0000000003581000-memory.dmp

      Filesize

      4KB

    • memory/2644-60-0x0000000003550000-0x0000000003551000-memory.dmp

      Filesize

      4KB

    • memory/2644-59-0x0000000003560000-0x0000000003561000-memory.dmp

      Filesize

      4KB

    • memory/2644-58-0x0000000003530000-0x0000000003531000-memory.dmp

      Filesize

      4KB

    • memory/2644-57-0x00000000033D0000-0x00000000033D1000-memory.dmp

      Filesize

      4KB

    • memory/2644-56-0x00000000033E0000-0x00000000033E1000-memory.dmp

      Filesize

      4KB

    • memory/2644-55-0x00000000033B0000-0x00000000033B1000-memory.dmp

      Filesize

      4KB

    • memory/2644-54-0x00000000033C0000-0x00000000033C1000-memory.dmp

      Filesize

      4KB

    • memory/2644-53-0x0000000002650000-0x0000000002651000-memory.dmp

      Filesize

      4KB

    • memory/2644-52-0x00000000033A0000-0x00000000033A1000-memory.dmp

      Filesize

      4KB

    • memory/2644-51-0x0000000002630000-0x0000000002631000-memory.dmp

      Filesize

      4KB

    • memory/2644-50-0x0000000002640000-0x0000000002641000-memory.dmp

      Filesize

      4KB

    • memory/2644-49-0x0000000002600000-0x0000000002601000-memory.dmp

      Filesize

      4KB

    • memory/2644-48-0x0000000002610000-0x0000000002611000-memory.dmp

      Filesize

      4KB

    • memory/2644-47-0x0000000002620000-0x0000000002621000-memory.dmp

      Filesize

      4KB

    • memory/2644-46-0x00000000025E0000-0x00000000025E1000-memory.dmp

      Filesize

      4KB

    • memory/2644-45-0x00000000025F0000-0x00000000025F1000-memory.dmp

      Filesize

      4KB

    • memory/2644-44-0x00000000025C0000-0x00000000025C1000-memory.dmp

      Filesize

      4KB

    • memory/2644-43-0x00000000025D0000-0x00000000025D1000-memory.dmp

      Filesize

      4KB

    • memory/2644-42-0x00000000025A0000-0x00000000025A1000-memory.dmp

      Filesize

      4KB

    • memory/2644-41-0x00000000025B0000-0x00000000025B1000-memory.dmp

      Filesize

      4KB

    • memory/2644-39-0x0000000002590000-0x0000000002591000-memory.dmp

      Filesize

      4KB

    • memory/2644-38-0x0000000002560000-0x0000000002561000-memory.dmp

      Filesize

      4KB

    • memory/2644-40-0x0000000002580000-0x0000000002581000-memory.dmp

      Filesize

      4KB

    • memory/2644-37-0x0000000002570000-0x0000000002571000-memory.dmp

      Filesize

      4KB

    • memory/2644-36-0x0000000002540000-0x0000000002541000-memory.dmp

      Filesize

      4KB

    • memory/2644-35-0x0000000002550000-0x0000000002551000-memory.dmp

      Filesize

      4KB

    • memory/2644-34-0x0000000002520000-0x0000000002521000-memory.dmp

      Filesize

      4KB

    • memory/2644-33-0x0000000002530000-0x0000000002531000-memory.dmp

      Filesize

      4KB

    • memory/2644-32-0x0000000002400000-0x0000000002401000-memory.dmp

      Filesize

      4KB

    • memory/2644-27-0x00000000023F0000-0x00000000023F1000-memory.dmp

      Filesize

      4KB

    • memory/2644-26-0x00000000023C0000-0x00000000023C1000-memory.dmp

      Filesize

      4KB

    • memory/2644-25-0x00000000023D0000-0x00000000023D1000-memory.dmp

      Filesize

      4KB

    • memory/2644-24-0x00000000023A0000-0x00000000023A1000-memory.dmp

      Filesize

      4KB

    • memory/2644-23-0x00000000023B0000-0x00000000023B1000-memory.dmp

      Filesize

      4KB

    • memory/2644-22-0x0000000002380000-0x0000000002381000-memory.dmp

      Filesize

      4KB

    • memory/2644-21-0x0000000002390000-0x0000000002391000-memory.dmp

      Filesize

      4KB

    • memory/2644-20-0x0000000002360000-0x0000000002361000-memory.dmp

      Filesize

      4KB

    • memory/2644-19-0x0000000002370000-0x0000000002371000-memory.dmp

      Filesize

      4KB

    • memory/2644-18-0x0000000002340000-0x0000000002341000-memory.dmp

      Filesize

      4KB

    • memory/2644-17-0x0000000002350000-0x0000000002351000-memory.dmp

      Filesize

      4KB

    • memory/2644-16-0x0000000002320000-0x0000000002321000-memory.dmp

      Filesize

      4KB

    • memory/2644-15-0x0000000002330000-0x0000000002331000-memory.dmp

      Filesize

      4KB

    • memory/2644-14-0x0000000002300000-0x0000000002301000-memory.dmp

      Filesize

      4KB

    • memory/2644-13-0x0000000002310000-0x0000000002311000-memory.dmp

      Filesize

      4KB

    • memory/2644-12-0x00000000022D0000-0x00000000022D1000-memory.dmp

      Filesize

      4KB

    • memory/2644-11-0x0000000002290000-0x0000000002291000-memory.dmp

      Filesize

      4KB

    • memory/2644-10-0x0000000000910000-0x0000000000911000-memory.dmp

      Filesize

      4KB

    • memory/2644-9-0x00000000022C0000-0x00000000022C1000-memory.dmp

      Filesize

      4KB

    • memory/2644-8-0x00000000022A0000-0x00000000022A1000-memory.dmp

      Filesize

      4KB

    • memory/2644-5-0x00000000008E0000-0x00000000008E1000-memory.dmp

      Filesize

      4KB

    • memory/2644-4-0x0000000000630000-0x0000000000631000-memory.dmp

      Filesize

      4KB

    • memory/2644-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

      Filesize

      4KB

    • memory/2644-2-0x00000000002C0000-0x00000000002C1000-memory.dmp

      Filesize

      4KB

    • memory/2644-1-0x0000000000500000-0x0000000000543000-memory.dmp

      Filesize

      268KB

    • memory/2644-87-0x00000000036F0000-0x00000000036F1000-memory.dmp

      Filesize

      4KB

    • memory/2644-86-0x0000000003700000-0x0000000003701000-memory.dmp

      Filesize

      4KB

    • memory/2644-91-0x0000000000500000-0x0000000000543000-memory.dmp

      Filesize

      268KB

    • memory/2644-90-0x0000000000400000-0x00000000004F7000-memory.dmp

      Filesize

      988KB

    • memory/2644-94-0x0000000000400000-0x00000000004F7000-memory.dmp

      Filesize

      988KB

    • memory/2644-95-0x0000000000500000-0x0000000000543000-memory.dmp

      Filesize

      268KB

    • memory/2832-89-0x0000000000400000-0x00000000004F7000-memory.dmp

      Filesize

      988KB

    • memory/2832-92-0x00000000002F0000-0x0000000000333000-memory.dmp

      Filesize

      268KB

    • memory/2832-96-0x0000000000400000-0x00000000004F7000-memory.dmp

      Filesize

      988KB

    • memory/2832-97-0x00000000002F0000-0x0000000000333000-memory.dmp

      Filesize

      268KB

    • memory/2832-98-0x0000000000400000-0x00000000004F7000-memory.dmp

      Filesize

      988KB

    • memory/2832-102-0x0000000000400000-0x00000000004F7000-memory.dmp

      Filesize

      988KB