Overview

overview

10

Static

static

5

6fb585b4fa...18.exe

windows7-x64

10

6fb585b4fa...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 20:14

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General

  • Target

    6fb585b4fa8768a55275e9e9f0811e11_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    6fb585b4fa8768a55275e9e9f0811e11

  • SHA1

    947d2321a3d22e92f1cccba0277ec3890d4016d7

  • SHA256

    fadf485c8272484dff579e9f26f2b9ae45088740ccefe4519ac72d8638744136

  • SHA512

    0efbe655f1de08cf57a2d7bd1b619d68bbf0b235417ffe0b2082f3d547ded5defc033888a32322f876e70ad6f4368c5e9e9c1f23baaeb7ab670db6c48b52aba4

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6+: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 5 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\6fb585b4fa8768a55275e9e9f0811e11_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6fb585b4fa8768a55275e9e9f0811e11_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:2280
    • C:\Windows\SysWOW64\hwkwdnsfwo.exe
      hwkwdnsfwo.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:2632
      • C:\Windows\SysWOW64\unuwhxkf.exe
        C:\Windows\system32\unuwhxkf.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:2660
    • C:\Windows\SysWOW64\ntpqiohiztngrua.exe
      ntpqiohiztngrua.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2704
    • C:\Windows\SysWOW64\unuwhxkf.exe
      unuwhxkf.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:2636
    • C:\Windows\SysWOW64\puzkwawklevfs.exe
      puzkwawklevfs.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2776
    • 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:2488
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:844

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Defense Evasion

    Hide Artifacts

    2
    T1564

    Hidden Files and Directories

    2
    T1564.001

    Modify Registry

    7
    T1112

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

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

      20KB

      MD5

      315aa4b516554c8b88f6affd3959cd00

      SHA1

      e63cd5144ad0e7fad866333000223ad1acac9298

      SHA256

      54642623acdb471b67e8d1e201b1385162225fca3fb6461e6c20d5732e92529d

      SHA512

      4c11e496738e81b7177888326f8a7b6c2ce7a56108bf66400327b11aafeec6b56eda1c92b08c6bde9a92888aada07b881959f78eabbacf464abd6da4e4e46107

      Download Submit
    • C:\Windows\SysWOW64\ntpqiohiztngrua.exe
      Filesize

      512KB

      MD5

      ebe288deabed843aab10a7e8e926d67a

      SHA1

      3236392ade7c03b755a5beca09a2982669afe00a

      SHA256

      12c8b92cdb03b58c1a2091e728ff4036626d4a5983d7cd4b8c0e748297caeb11

      SHA512

      049797f6b5934c98d178e1f45e803a5996b5c5357882e6be6a93f7bf8aec88498ce1a24a7031ae3773143e1d38ec7d13b81823d6dd55d4b765d8d4842343db3a

      Download Submit
    • C:\Windows\SysWOW64\puzkwawklevfs.exe
      Filesize

      512KB

      MD5

      0cbe33961b470bb53d5b791622934664

      SHA1

      321c0fa2e9cd8aed2c3626e27927af66efb4192d

      SHA256

      b4b9ad2ba60f4773de39eb05ef1485bc010a4497dac01e5a9b2ab8e84876395b

      SHA512

      6a2261d866f5bf288d5ebb9b44f35e12d1be2891ea8520e0dc457308730f57cad720e8f204e80516dac625b4623b53c818af2fb3c5387f1007734b6a0e9aec5a

      Download Submit
    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit
    • \Windows\SysWOW64\hwkwdnsfwo.exe
      Filesize

      512KB

      MD5

      a036e176d5cf9be70486c38eee28239c

      SHA1

      4c5e03058b2172a75c9a21d48eb8779a7aa8d9aa

      SHA256

      97136a86cfab302e7e4eb450e153b1b193fa213589f41f2bc555bed5a9891fcc

      SHA512

      d09c9e3e1bba5c9fa12202151c1954c5bbfb97413a8f5dd111c2f656fb529582406751f0197d2ab74fe96b96bf52669f91b532a11d79492840df5e46c59a553c

      Download Submit
    • \Windows\SysWOW64\unuwhxkf.exe
      Filesize

      512KB

      MD5

      f1d8ed868e3694b98f270f402ae3c088

      SHA1

      0a076f96594a3455b28367bc978537b4d00f614f

      SHA256

      053fd32032418d4c585c2d8949fe9b6fc12d5d0d6488f476244364bb0df7bdd0

      SHA512

      90907bed7e61e7e47e80624adc720bb27d60a21dfbf2f4574adb28db4bac8db90d04ac203d4d07c2df26a4c532ea8de8af859d0c687292f22d799b7ad0992a34

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    • memory/2280-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download
    • memory/2488-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2488-92-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download