Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 08:33

General

  • Target

    d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    d3f43337dba2364e0c0a0bd9d72ef63c

  • SHA1

    912e5b5b8d08adfb11797824edf12082efc7987f

  • SHA256

    d607a27741a77b6a33b729a503111eb71e074b96a66e2c22582b5a1c4ee07a43

  • SHA512

    67ed9e75ab309b55dae341c7d104e0aaa25d1e2b6626e2c0807b773e731c4825a389f5215b3c6d4f81718d7da62115aebd836bd909b446cfe667cb888d6ed0aa

  • SSDEEP

    1536:jKYKmc0WYufMijx4ERJOjCfatS/SXGt5e635OCbJ2M/s9WmQvhyrhQClAqACAKH:jKbmxWffftJYCyc6WS65ELOy1QClH7H

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 29 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3556
      • C:\Users\Admin\AppData\Local\Temp\d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe"
        2⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4608
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c start iexplore -embedding
          3⤵
          • Checks computer location settings
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2024
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4036
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4036 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3620
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\fYAA028.bat"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3536
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 524
          3⤵
          • Program crash
          PID:5032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4608 -ip 4608
      1⤵
        PID:3684

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        04ede744c1294fb087496e0d371511c5

        SHA1

        7f0fe32d23103dbc1c1028ffb626863a795358e6

        SHA256

        0a4b8f0a5fa70ec6f8346ff1d99abc440b7df2ce594de520a4c88fc2a6589de3

        SHA512

        0adf65c1bfd504779004106c4c1c41d3534eb9e5c8ae320adeb3f655b9903b7f9028ae73b6ee3d2471dae7d866bea7db001d9eea519a23b964ba31a5708c75eb

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        45f5d3cf7bf01033463e0da53a6c71a9

        SHA1

        60a1350f72e6732ccc1a4e1c709621ee6599dc2d

        SHA256

        5c23dcbf8e5819ac9940fa6ac0ca3dbaf3e3557f51b84c886fe642e28132eecf

        SHA512

        82eea4c151573546aa1be8e64e1cf371a948ceeef5d5fe7bb95a8dbd73363873deb31b87f5babb4420095cf149464a771baea3ff0415f327da464c6f2c2b89bc

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FGWUB7UN\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Users\Admin\AppData\Local\Temp\fYAA028.bat

        Filesize

        188B

        MD5

        868982ed723924c4f0c5f3c9a18a334b

        SHA1

        afa5465a74d025143baf570ae2ea01da13ff9979

        SHA256

        a860577f9fb639d299bac8914354e659af95e945a61422a0f08875c9092f26b0

        SHA512

        d2699f96c6bf58169551011dde696d76f64024760fb7fed92d2783bace5e68dd1c2a8573ca4024ddca6ac60112f83033216e860f941287f250536bb4b573a52d

      • C:\Users\Admin\AppData\Local\Temp\fYAA028.tmp

        Filesize

        62KB

        MD5

        7556eb6d29a596e43f6d9feddd59d8fe

        SHA1

        109bc5bc22e5d0f8c3b827d62c944d4df1eb782a

        SHA256

        d328559fa994905dfe7a205025e970ef474ec4632d0b3cfeb824ebfd59805a22

        SHA512

        4139d9b724334f7c5a03488bd155b6646552b790fc419adbed6e3144f2c2dea1da61d1131fcd93d46bc3f38c15192e183feb1bb651a3da3ae4e3fd186c21c69a

      • memory/3556-8-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

        Filesize

        4KB