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Overview

overview

10

Static

static

5

32ca91acbc...18.exe

windows7-x64

10

32ca91acbc...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 04:46

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General

  • Target

    32ca91acbcdacd3dcabad9d64fa729a1_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    32ca91acbcdacd3dcabad9d64fa729a1

  • SHA1

    8cec4e68079c49338600301b30ec6baf23955f68

  • SHA256

    248056ea386d1f999bd6a2b222f7bc8e15df95f04e02137c587641b13038e9a8

  • SHA512

    e4306ca7762ebe9e05b6f1d2a32c6c2ad969a128077ac02ebf44a5cc3b9b7c1be176620e4a8d61994f76264fd9b5698c19f2e7fa822740e03171d065cf757280

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6w:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5z

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\32ca91acbcdacd3dcabad9d64fa729a1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\32ca91acbcdacd3dcabad9d64fa729a1_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:2056
    • C:\Windows\SysWOW64\vkvnoyixxv.exe
      vkvnoyixxv.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:2840
      • C:\Windows\SysWOW64\mdrtbzuf.exe
        C:\Windows\system32\mdrtbzuf.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:2528
    • C:\Windows\SysWOW64\gtxdimfjnsjzdzn.exe
      gtxdimfjnsjzdzn.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3028
    • C:\Windows\SysWOW64\mdrtbzuf.exe
      mdrtbzuf.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:2644
    • C:\Windows\SysWOW64\bgeavntjufjay.exe
      bgeavntjufjay.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2764
    • 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:2640
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:480

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      512KB

      MD5

      92c2be08cb5285ad8132a358f86ab3b8

      SHA1

      bb9092ed84eaebedc3a8591c7280ed3e46f14f26

      SHA256

      c5236180ba709c5018f2840a07487ae8b71bab630ab64d264bceae6663732ee7

      SHA512

      b8cc314f97db99021d995de3827dbf8360fcbb819b772e902a5e8b2f5d76bcbefed83e7c3733d69ae9bbd73319d559905df5bc1a8ff918e9b5429cf77c4e4dd6

      Download Submit

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

      20KB

      MD5

      703d1994c4163dd5a7831973c625e132

      SHA1

      48c5cf518beb2652b9d6a1a553d2211344fa1c89

      SHA256

      8e34bc8c1604271b71456e90bfb0eb1821e740e894b85ddf662335c8f439f299

      SHA512

      24f8591b07e4f215b9cf23679ad936bb3b1e07f6cadf1ebcac1cdb52b2d7db4b0f01c6f284942711fae05cd2186b4376e1c4fdc64e57aaff92a73c1e71c1af24

      Download Submit

    • C:\Users\Admin\Documents\UnlockResume.doc.exe
      Filesize

      512KB

      MD5

      40f35b14a4e56b9bfffb520b3a756f31

      SHA1

      e303ec2cedb93e0c892cfc8db265cd8d6a67a714

      SHA256

      9e0bbec1d63bfa80e6b36b7f59a92b42797702975d34ab3ce2d00b514679d8af

      SHA512

      b9b5c92fa074a92e7ea43805d6ce084bbfc87e496e237f6408729016d1bd5aae09593bdc764c276ebe9d6736cd350db911bed95328cd2c1a2066f846436428cb

      Download Submit

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

      512KB

      MD5

      be0a818bf119c5cc923566b9aeea55ab

      SHA1

      308bee3ddf7af5363f643043bc89f5fe28de3ee7

      SHA256

      872ddabdbd818fa944e02c38e2a470c822836d7dfcc0c38e81e0fd2cc273496e

      SHA512

      4d64a4de9cf7ed0798ade90327ee6c27fd18b5ec1b8bf76e2f3b2c9a7680a97f215fce05bb5414aca1e7d6bbe4fa659fb5f1b69feb511f2f38ed058419d54741

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\bgeavntjufjay.exe
      Filesize

      512KB

      MD5

      103d24ca5e6fed82726965c5c4121ba0

      SHA1

      8839be829b1ac9270afa0415d169a90bbd8d6cba

      SHA256

      f7cf8c73b740c0a762c5d927f31b0eb5740a5ce4eca2538a8b90b1741a31ad4b

      SHA512

      6e61ce33c59969b6a5af7cb628046c19b2ad28315ed7586b9aa81748d8251bc95ea928b990ba0091c9f6fac5cb8eaab832b8e712980804d4d979f2db56384138

      Download Submit

    • \Windows\SysWOW64\mdrtbzuf.exe
      Filesize

      512KB

      MD5

      e8052ad44bf25a7bccaea777acb8fed3

      SHA1

      1feec3bbb88953cea0bd3cbbe8b53dd1b44d27b6

      SHA256

      a2ceb2549dd85b0f736dbc8d5bd062ce7e55f7b4741a01d222eb5b4ebf1edcfd

      SHA512

      6597d41f35a279b8052a492338efde43ae02e138abd697556e54935be2c216818c90212577abe817c20d52461b1a9a189d3884c18ca57211f32170da440a5c2e

      Download Submit

    • \Windows\SysWOW64\vkvnoyixxv.exe
      Filesize

      512KB

      MD5

      7c9c9002673120e5e277cf11f52ee376

      SHA1

      52f67207b8de1ec123e6f16bf225743c4071cfbe

      SHA256

      f67a55931917dd90836bafb5c9c7ed9d384580ef038d1ec39874d58f1047e798

      SHA512

      cac44eca686eebad4eabf6f433c7404907d8cb5a748bcc3e476d4eb293751972ff23683cb32fe52cb97539193fadb0a6ab4ff0e6f3eadcc9e898cc0f874b245b

      Download Submit

    • memory/2056-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2640-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2640-104-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download