Analysis

  • max time kernel
    140s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2024 21:26

General

  • Target

    87bc1902b89ac09e8904fb77f997bf02_JaffaCakes118.exe

  • Size

    473KB

  • MD5

    87bc1902b89ac09e8904fb77f997bf02

  • SHA1

    7f193a3ca6f3e20e005d1890ccc30197ef5df1e0

  • SHA256

    6c60b3c7f78328a56feda777b42491357ecc3c867c5decaee091df9e5238fb7f

  • SHA512

    8fa91c61513b80fcb67ecc1640359db4c481013346f7ced0d79afa08bbd5621282f57e29fd8014e7f2f651cda68705874a2e22e9340d77bf7c77b531cb86fb8e

  • SSDEEP

    6144:JnXOFxDkS6WtG6gGUgy9ZWHhnP9Ba5CfZomKKg7+uTAVg9EVJ0BVKvh82CYBuBNk:JRS6Wefq9Ba5oO7TUUk

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs
  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 2 IoCs
  • 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 3 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 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\87bc1902b89ac09e8904fb77f997bf02_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\87bc1902b89ac09e8904fb77f997bf02_JaffaCakes118.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c sc stop WinDefend
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Windows\system32\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        PID:2808
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c sc delete WinDefend
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4132
      • C:\Windows\system32\sc.exe
        sc delete WinDefend
        3⤵
        • Launches sc.exe
        PID:4008
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3608
    • C:\Users\Admin\AppData\Roaming\wnetwork\98bc1902b99ac09e9905fb88f998bf02_KaffaDalet119.exe
      C:\Users\Admin\AppData\Roaming\wnetwork\98bc1902b99ac09e9905fb88f998bf02_KaffaDalet119.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c sc stop WinDefend
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:888
        • C:\Windows\system32\sc.exe
          sc stop WinDefend
          4⤵
          • Launches sc.exe
          PID:5104
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c sc delete WinDefend
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1748
        • C:\Windows\system32\sc.exe
          sc delete WinDefend
          4⤵
          • Launches sc.exe
          PID:1924
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3944
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1576
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:5076
    • C:\Users\Admin\AppData\Roaming\wnetwork\98bc1902b99ac09e9905fb88f998bf02_KaffaDalet119.exe
      C:\Users\Admin\AppData\Roaming\wnetwork\98bc1902b99ac09e9905fb88f998bf02_KaffaDalet119.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c sc stop WinDefend
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2412
        • C:\Windows\system32\sc.exe
          sc stop WinDefend
          3⤵
          • Launches sc.exe
          PID:3240
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c sc delete WinDefend
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5052
        • C:\Windows\system32\sc.exe
          sc delete WinDefend
          3⤵
          • Launches sc.exe
          PID:3216
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableRealtimeMonitoring $true
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4504
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1476

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        944B

        MD5

        6d3e9c29fe44e90aae6ed30ccf799ca8

        SHA1

        c7974ef72264bbdf13a2793ccf1aed11bc565dce

        SHA256

        2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

        SHA512

        60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gwsig3pi.dr1.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823

        Filesize

        1KB

        MD5

        71c6f8abb62757d6ccbe6095c7226084

        SHA1

        cb4d0e8635ec38f2425c3eabb3c6a23f7be586b3

        SHA256

        ca2d274d7277d239da31551fa3922c1a28bed0b72e28c66cfcaf4bb5c0e98c00

        SHA512

        e2f4d5e8396d68ac6327ec9d91f83c24509311889d0efaec3a1423f6dc446600a58e9d3e70411738bfcc0ebf8b2ba850570b1bc4827346351c59c5ff7a1248d4

      • C:\Users\Admin\AppData\Roaming\wnetwork\98bc1902b99ac09e9905fb88f998bf02_KaffaDalet119.exe

        Filesize

        473KB

        MD5

        87bc1902b89ac09e8904fb77f997bf02

        SHA1

        7f193a3ca6f3e20e005d1890ccc30197ef5df1e0

        SHA256

        6c60b3c7f78328a56feda777b42491357ecc3c867c5decaee091df9e5238fb7f

        SHA512

        8fa91c61513b80fcb67ecc1640359db4c481013346f7ced0d79afa08bbd5621282f57e29fd8014e7f2f651cda68705874a2e22e9340d77bf7c77b531cb86fb8e

      • memory/1080-92-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1080-93-0x0000000002510000-0x00000000025CE000-memory.dmp

        Filesize

        760KB

      • memory/1080-82-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1080-94-0x00000000025D0000-0x0000000002899000-memory.dmp

        Filesize

        2.8MB

      • memory/1476-96-0x0000000010000000-0x0000000010020000-memory.dmp

        Filesize

        128KB

      • memory/2052-47-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/2052-35-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/2052-39-0x0000000010000000-0x0000000010007000-memory.dmp

        Filesize

        28KB

      • memory/2052-48-0x0000000003840000-0x00000000038FE000-memory.dmp

        Filesize

        760KB

      • memory/2052-49-0x0000000003900000-0x0000000003BC9000-memory.dmp

        Filesize

        2.8MB

      • memory/3608-0-0x00007FFCD1573000-0x00007FFCD1575000-memory.dmp

        Filesize

        8KB

      • memory/3608-15-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

        Filesize

        10.8MB

      • memory/3608-12-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

        Filesize

        10.8MB

      • memory/3608-11-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

        Filesize

        10.8MB

      • memory/3608-7-0x0000025A275A0000-0x0000025A275C2000-memory.dmp

        Filesize

        136KB

      • memory/4220-22-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4220-16-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4504-72-0x00000206A3DA0000-0x00000206A3DBC000-memory.dmp

        Filesize

        112KB

      • memory/4504-73-0x00000206A3D80000-0x00000206A3D8A000-memory.dmp

        Filesize

        40KB

      • memory/4504-74-0x00000206A3DE0000-0x00000206A3DFA000-memory.dmp

        Filesize

        104KB

      • memory/4504-75-0x00000206A3D90000-0x00000206A3D98000-memory.dmp

        Filesize

        32KB

      • memory/4504-76-0x00000206A3DC0000-0x00000206A3DC6000-memory.dmp

        Filesize

        24KB

      • memory/4504-77-0x00000206A3DD0000-0x00000206A3DDA000-memory.dmp

        Filesize

        40KB

      • memory/4504-71-0x00000206A3B50000-0x00000206A3B5A000-memory.dmp

        Filesize

        40KB

      • memory/4504-70-0x00000206A3B80000-0x00000206A3C35000-memory.dmp

        Filesize

        724KB

      • memory/4504-69-0x00000206A3B60000-0x00000206A3B7C000-memory.dmp

        Filesize

        112KB

      • memory/5076-43-0x0000000010000000-0x0000000010020000-memory.dmp

        Filesize

        128KB