Overview

overview

10

Static

static

5

2c9c8bb161...18.exe

windows7-x64

10

2c9c8bb161...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/05/2024, 01:11

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General

  • Target

    2c9c8bb1612473b5b745fff69047a1e2_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    2c9c8bb1612473b5b745fff69047a1e2

  • SHA1

    76bc36eafacf844daeb9bba1be65cbd304d84062

  • SHA256

    6b80170a3d2230f8ab5dfdd03a0c000b98d41b5495177014c879acb8567ae86a

  • SHA512

    37bebedc4d1e50dfad5a974a49a9cef06e95527218d5bf91050d807b8f3bd364d475d9dc8781f358b76ed24a4aff8877ecb242c41055f62b2b98056363ce41d0

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6a:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5/

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 8 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 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\2c9c8bb1612473b5b745fff69047a1e2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2c9c8bb1612473b5b745fff69047a1e2_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:2168
    • C:\Windows\SysWOW64\corwhypkfj.exe
      corwhypkfj.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:2672
      • C:\Windows\SysWOW64\pcifxkyv.exe
        C:\Windows\system32\pcifxkyv.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:2312
    • C:\Windows\SysWOW64\wjuxasisjbewedi.exe
      wjuxasisjbewedi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2716
    • C:\Windows\SysWOW64\pcifxkyv.exe
      pcifxkyv.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:2520
    • C:\Windows\SysWOW64\symdffjofcmjs.exe
      symdffjofcmjs.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2828
    • 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:2452
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1708

    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

            5497b1f0d50c22959dc2ba3b415f393d

            SHA1

            03434c1ae2864f126e283a31269ec31d53be52d6

            SHA256

            d30081cbd8309a738cdd4386a21dc07eb94c609a7a41f5324fdba069f497fda9

            SHA512

            1430dfcd6f1a9e4058cdca7777762dc1b72323b11ccf88f3030c47b8db68d1302b0d183156a795dcd3659ee4ecd4402e72be0a44cfadad111af0d068f5a0e917

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

            512KB

            MD5

            3b0e3650c286af6c03a2e4cb8fe7b1e8

            SHA1

            b3160fac73ee05213c7b919f52bf354fea58452a

            SHA256

            b8cf088aef16a95b07427d20b68880121255d1506ab78e3ca15d2d4ea27fef59

            SHA512

            9e52b17f8d209728fc50cc52380ce9e8393c665e5ff59e07cdca294d70306ff2ddd2818386fe99468102d77941e58f164c020d02e170570b841d55b6fe80a060

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

            20KB

            MD5

            d0c545665ee7136728e1e64a5b65dda2

            SHA1

            e6358a04c0194aeed58ccd5ff5052d6af541dea0

            SHA256

            686171e90d609408756a932a2b26b5bd68855b8f3eee03af4ce4457bf8a4470e

            SHA512

            2dfc53b7b25c5b20a7c787677083bb22bb7a58f263a7e11f26bfc9c70fb8635351f13a405eceac76676ed7db922d2a2c3e76ccaf5b95471f6dfe2e254b18a4b0

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

            512KB

            MD5

            126d397c32ec831eb09e677c6271e69a

            SHA1

            d6b2880b92832538193d56aa3a3c77060ad5efba

            SHA256

            97b2a914388cbf856fafa896969065c6d1a2ee8a78ea286640ed12b71ad829f9

            SHA512

            f44372b2806bef933ea8daadfad88c6e9e66ab3e6664b03d420de54e42dcee8d2245ccb7c9fb4c843677bad1a4ccc26fdcb5fffa0abe9505cb6048f284d173b5

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

            512KB

            MD5

            ccb098950be6dcf3e4a5df62fbee9374

            SHA1

            fbf9f2975e8de671be3e137547adb320bf32bb49

            SHA256

            fd2f8eac3f3f30a370a8ac454699f9b26597674d26c385cedde1773b20aab484

            SHA512

            c915032b6a66b667d052ce36cfcae402bf8bc8c1a97d82f2cb5199faf87a645c7256b5a89ec67837ecbff169d081651e3da300849d98fdd2f0005fcaf6340a43

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

            512KB

            MD5

            0b48418ca0649b7e12603cd01e31fb9f

            SHA1

            0c9201b95faf0701ac2d2167c6cddca2a1c7132c

            SHA256

            7d5ac9090bb6bcf8c83da4c5ecd6bbf5884bd4463bbb69cc8f580e4b69537927

            SHA512

            60088571b2e75c383c3035995b05e081eb99855f0ae139ddd8dab338f2f18e5a2da49853ba3c54300c585fa74b916233b56616567381af4dfe736bda888c62f2

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

            512KB

            MD5

            f5ffa15fdf09f474e510bd3f3e3aca71

            SHA1

            ee5f5b213c413c4d1bd929894848a3247fc58551

            SHA256

            9cf06af1d0526c5e1a0fff50221231f6bbe111ca98992880daba0d6f0c84a9fd

            SHA512

            4fcc9730cc698e620b342de444ad237e2ad31b7b206f547c6af3bf478f2bed453eea72dadcb1340e429ac79eabfeb7acfed1a09e8a0d01601864b4ffae9da2b5

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

            512KB

            MD5

            f5cdf6833c7a1645c106f1139c8e0716

            SHA1

            cdc973db5db1e097bff529ffe3daa75477b0a77e

            SHA256

            a10596984fd46bb8fd583e332ba1950326205381b5486b72050a2bdd6773fb04

            SHA512

            a9d719a93b101ad80afdd064ccaaf75d909ef3700225ddfd8f03f93b478f8733fe9ad0a93c69d972c8d124ff2ca108bd69856121e18db2a06404b2bd10ac450c

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          • C:\Windows\mydoc.rtf
            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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          • memory/2168-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download

          • memory/2452-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2452-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download