Overview

overview

10

Static

static

5

614826f3fa...18.exe

windows7-x64

10

614826f3fa...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20/05/2024, 23:23

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General

  • Target

    614826f3fa8e22171c11579e6b876fdf_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    614826f3fa8e22171c11579e6b876fdf

  • SHA1

    d2bedf2ec86b233de9826461c7440861fcc56676

  • SHA256

    36a84fddc3ed547fa0b519288755b3650f832da9580b239cd0c30f19869f68c8

  • SHA512

    8deaf6e2a44feb00ac36857d07d40e850936e4efb2a3d227dba5a14f4b29d3692f80c66c528dd91bbcbd8e2150f89fcea34547f897d6da5664f1bffd76d52f71

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj60:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5d

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\614826f3fa8e22171c11579e6b876fdf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\614826f3fa8e22171c11579e6b876fdf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\bigmuqcrxd.exe
      bigmuqcrxd.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\SysWOW64\kfggzxja.exe
        C:\Windows\system32\kfggzxja.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2812
    • C:\Windows\SysWOW64\uuchqjfiltzdgfj.exe
      uuchqjfiltzdgfj.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2208
    • C:\Windows\SysWOW64\kfggzxja.exe
      kfggzxja.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2716
    • C:\Windows\SysWOW64\pmxofjawboxva.exe
      pmxofjawboxva.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2540
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2492

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
            Filesize

            512KB

            MD5

            8dbd732c355fa6f526dec928a4684796

            SHA1

            14a3a27f18ae835e7cd808e4622dba5ca2f54f8c

            SHA256

            0511d160878b8a2c8955c19f03577260847268dd6a437c3912d4572eda223cf6

            SHA512

            dfd342d18731ffa4a689be3c42e8354aecb859b8aa5e8907ddcf45c3ce3ce2b1e4476641c567fab900998a2108e0bcfcc42365da7a3ab18135acde69bd0a3561

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          • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
            Filesize

            20KB

            MD5

            2d1717504f908f11062787af38be047c

            SHA1

            cbdb1f7232bc2598434ec4d90ccb75f3caea1658

            SHA256

            40fd4169c7060bd588c9251e1900742729a19bb716e0b86eadb8aa035b87e173

            SHA512

            1d7d923c31e2edaa3d6e36ce0841402da678d150a8c63988a94706b69133b877ead9d4855debb3fa53e4e39832f1415ed1e12b095ea60f3655d73c577b546b1b

            Download Submit

          • C:\Users\Admin\Downloads\UnblockMeasure.doc.exe
            Filesize

            512KB

            MD5

            0a15459bab685abe5cd15e3378d240b8

            SHA1

            8deb299739b270f81c3a0ed7905aa270500c8a5c

            SHA256

            ba71344e7d898a7d8538a053259f6eb77183a661945a6fe9f595345dcb78b571

            SHA512

            9ac0f93c8d57359bdfd13aba2f10db3903f698a64ab11f0603a97edfb39cdc7a43e9adcf0959b7d752c27b0a4daf322ef955f7bc83cb5ea889b23a1a13d7eb00

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          • C:\Windows\SysWOW64\uuchqjfiltzdgfj.exe
            Filesize

            512KB

            MD5

            a1f647475bd05622d7b46fb64fc56155

            SHA1

            81bbc8008305ec3d5f7b8c917b6d736110325a31

            SHA256

            c577dbea5e5c8516343f214724a277cf12b9e15b6ec95d8db006ddf10ade04d3

            SHA512

            44c167e98c0044af86b5e190c14a43fb1263365aac632e7551da1782f49f9bbc22ed12634f8819d18c8f6bbbc12b57d65ee5d3fd295aedb24a15964dba6b8cc3

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          • C:\Windows\mydoc.rtf
            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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          • \Windows\SysWOW64\bigmuqcrxd.exe
            Filesize

            512KB

            MD5

            3ad9407113cc524be2fed6951c46fe0c

            SHA1

            081750efdfa1ae7ade4cad9714eacd3444b90407

            SHA256

            879dd197889aacb98f7659ac466de4aafeff32dc67288b3e402fb5bff0a7138e

            SHA512

            636b17374d98bb825e852def4999df3acbac7b7119119537114b3c683920b707b53a2363b8d21312e490d4d2fa555615440cffcbb52fb7b421c9a1f02bf7cc75

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          • \Windows\SysWOW64\kfggzxja.exe
            Filesize

            512KB

            MD5

            17b44458b6b4f84d6cb5f7c96bdedd38

            SHA1

            eacfa61047ced6dd2c4857840fefbd7fe8653c9a

            SHA256

            2599e119cc23f8ede2f25cc0664b14c2e37c430aa2ff006f4a752409f38c5061

            SHA512

            cea42cf28cd32720d25819af44db754a470c05d43c63987941f97dc1cd7ac069522848d7ff6e83a338758dc268e4c9d7dfbb9921ba53ce857fb689789b36d6cf

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          • \Windows\SysWOW64\pmxofjawboxva.exe
            Filesize

            512KB

            MD5

            fb9bf0f08c58af119fb5f85f1db59615

            SHA1

            8ea1509ffb7fa50890701099064e83cad64d716c

            SHA256

            1107c4f2b2c657d327b3dbe9bb3d15b4ffd78af29fe339742dcc8282190f4337

            SHA512

            bd18c3d0ec6fcd555deda74222869e18f51e974cb8bd67926a4248e6acdc4f3bd6099e6f8a97e032f7e05dc363b620ad07f393355eda9f7ba34e54c910420e43

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          • memory/1736-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download

          • memory/2592-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2592-100-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download