Overview

overview

10

Static

static

5

e8bbf1d9e5...18.exe

windows7-x64

10

e8bbf1d9e5...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08/04/2024, 23:54

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General

  • Target

    e8bbf1d9e5467cc080d3f0890192f2a6_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    e8bbf1d9e5467cc080d3f0890192f2a6

  • SHA1

    1ca908e50ef1883b01250930302bb0ca4ae52b8b

  • SHA256

    246281bcac841ed73d8a0da718e08f23e44c89aa979266ef2b6fb64a5c0cc057

  • SHA512

    f30f29e6111ad2f0d23ae3a8023651a1208ad37f07dd3d001e925e2157ed1b3bac2117eca3876d9613ba4c9d636f4225c945d8ebff5af36f63c52cddcfc5c519

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6K:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5P

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 6 IoCs
  • Loads dropped DLL 6 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 15 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 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8bbf1d9e5467cc080d3f0890192f2a6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e8bbf1d9e5467cc080d3f0890192f2a6_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:2548
    • C:\Windows\SysWOW64\pujaqicgxh.exe
      pujaqicgxh.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:2112
      • C:\Windows\SysWOW64\teumqsbo.exe
        C:\Windows\system32\teumqsbo.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:2532
    • C:\Windows\SysWOW64\nudrtknxinrciry.exe
      nudrtknxinrciry.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ezggzgrdggvan.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2620
        • C:\Windows\SysWOW64\ezggzgrdggvan.exe
          ezggzgrdggvan.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2508
    • C:\Windows\SysWOW64\teumqsbo.exe
      teumqsbo.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:2680
    • C:\Windows\SysWOW64\ezggzgrdggvan.exe
      ezggzgrdggvan.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2476
    • 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:2468
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:864

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      512KB

      MD5

      c63c0d3b7de4a491d070b86a905e144b

      SHA1

      6d9f4d4369081de6c75fdec978683fd27a79a90b

      SHA256

      c5c2f9286732c7ebdbecee26694fba4b032293cad87bf444c276a0ae5d68ba79

      SHA512

      3cd32add4b885a8aefbd06118a81ea2c1e0f3a952c521a586d0d63e1bfb067a29d7951b520182ca0c64cfb394c59a4a4db562b432fbe91719dc8e753c1aff746

      Download Submit

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

      512KB

      MD5

      bab3d3af0f29dbf230d0bf1604885841

      SHA1

      23b9d99ee1d7e84e83cb21e8864cf680e4399bff

      SHA256

      de951cf1d79eeb04068c8509c0ce417259503023734b9cc941b6b3e19a0d4032

      SHA512

      45207df299db8330d96e75bf4f42bffdc2a2e5d02afdc686a35eb39f6a1ab612033e6e6870fff69dbf58f5bfb497f7d03efaa08d6aeea8d70148024df6aa58d0

      Download Submit

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

      20KB

      MD5

      352cd276dcd83eeb5cd196cc350c56da

      SHA1

      5ce81ef0b16ca280d72b95e8e5bfd2dea9900c3f

      SHA256

      ab8b9f43f812f9b3741dfa667f8637d88ae2c7cf16fd353910f87225e16563c9

      SHA512

      69d7d0364d5fb810b379acf91cf7dc84786042e81a5db2b81f2dda77f08f7efdad30274d31c9115c3376cdd4f00cc04cf44b2f89c1ef73e371475c7e3b504132

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

      512KB

      MD5

      36df21e8e57664e26d18ebb4c1bb0ad8

      SHA1

      756a02ad0b32d71a0d27e1aaf30fd09954d46252

      SHA256

      320076ffc39ff14cb61d7b7701c511f626c25d1f47f00bec136484c0e7766c9d

      SHA512

      568de285fdc5fb45a43c1b8a899135cf27bc3aff55345cb4aa53965a59ef28357a5505d77adab0ccb5df8faedb730e90e72530fb90805fd154198d6429589e74

      Download Submit

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

      512KB

      MD5

      d45b547f66649e82661316b6185502c4

      SHA1

      f5d1bc6c4e14504a4e0468c543def83c9b632332

      SHA256

      cd249fff3fc21ac3e36c53fdd17fed9656091018b00327cba4eecfc08b019f66

      SHA512

      36d566541228dd5e0857bf6e6c1d018a54652b2ef11437d691d980264a808033e3c9820f052ee48fc1201c10309633c2864746b35a995d53d172431215896b75

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\pujaqicgxh.exe
      Filesize

      512KB

      MD5

      c86c52342b9daad8a9b74e0c5445bd7e

      SHA1

      9ba0719ab5092275bdef16e2d0d6eb4d9e0775ca

      SHA256

      45fda42b22a0922bd67260da17161740677eb91819c87182784908ca99f8a183

      SHA512

      465eebc5ac7af979e3756791b9d553607f1099243155f3348aeb5e91347748ce2ecb1e194b5d8670a16f9e121f8dbdadc92e151bdbe2c0788b2481eb1e31ea9b

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    • \Windows\SysWOW64\teumqsbo.exe
      Filesize

      512KB

      MD5

      8d3f8ec393bdaa0d0c7a7139f7ba8b5e

      SHA1

      c225c6d0bea8d4aceea44bbf8aaeb867aeee9ed6

      SHA256

      fdb6a26feac4ae490e9520c14bc432a34e60de7943e17e6bc8ea985fab174380

      SHA512

      32e6b9cd3df071fc24e4c312ce07feb9ca2e22d2f0bf1f9b9115ba7ff82db052c369127c5d86d44cdc7b0098ffd099ca5e87d4adeb97aa65fc1a7db5f84c14a0

      Download Submit

    • memory/2468-49-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2468-50-0x00000000711BD000-0x00000000711C8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2468-48-0x000000002F041000-0x000000002F042000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2468-77-0x00000000711BD000-0x00000000711C8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2468-98-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2548-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download