Overview

overview

10

Static

static

5

fe3d7d637b...18.exe

windows7-x64

10

fe3d7d637b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 09:27

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General

  • Target

    fe3d7d637b2b8f9a2c0ac50faeaf42af_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    fe3d7d637b2b8f9a2c0ac50faeaf42af

  • SHA1

    1808d6a66841243fdb04b750738bf5d388a4b681

  • SHA256

    b16ba024debae38dd2dfb0d258cf6016f676c16323b76e22ad0fa5650e63d3cc

  • SHA512

    4a8d1f897e871e8182709ae0f8dc205ce834cfc7d0643af7ecf7f57f9e18b54ef70ad1253e8f910a7de1eeddb38c75a8a5d27ed4678fb416306300c71c4df883

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6N:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5E

Score
10/10
discoveryevasionpersistencespywarestealertrojan

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 3 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 28 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 19 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\fe3d7d637b2b8f9a2c0ac50faeaf42af_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fe3d7d637b2b8f9a2c0ac50faeaf42af_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\fdrgbqstel.exe
      fdrgbqstel.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
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\SysWOW64\ruynfytj.exe
        C:\Windows\system32\ruynfytj.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2908
    • C:\Windows\SysWOW64\rmnqmnsdthgagbn.exe
      rmnqmnsdthgagbn.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1916
    • C:\Windows\SysWOW64\ruynfytj.exe
      ruynfytj.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2748
    • C:\Windows\SysWOW64\zwbcpvqdfqcyg.exe
      zwbcpvqdfqcyg.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2284
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:536

    Network

          MITRE ATT&CK Enterprise v15

          Reconnaissance

          Resource Development

          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

          Impair Defenses

          2
          T1562

          Disable or Modify Tools

          2
          T1562.001

          Modify Registry

          6
          T1112

          Credential Access

          Credentials from Password Stores

          1
          T1555

          Credentials from Web Browsers

          1
          T1555.003

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Peripheral Device Discovery

          1
          T1120

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          Lateral Movement

          Collection

          Data from Local System

          1
          T1005

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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          Downloads

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

            512KB

            MD5

            9d8c45b82f9a983d66907668d2d8d600

            SHA1

            0b98c32b73d0baac2b3b50fe7206b3270b2f8071

            SHA256

            c94dad64cd1db3a1deb1a5a8de694ead74e56890a84c44eef450404340de0306

            SHA512

            ad2a39495930abdf2f92bc8b49bd92d3b965b29a07d4afc52321cb44925b7cf2ff50a6a576730fbe8506b687f881bc954321793896ef384c2256c39f6ae99717

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          • C:\Program Files\CompareHide.doc.exe
            Filesize

            512KB

            MD5

            457cbd473798d962c04ce74489710cb8

            SHA1

            902e30cbfddb7916a80a91017623f5adf81f6fad

            SHA256

            c8acba98a6422af6f9d582df1c2b377863d7ef8d4fe4da85476e6cc4fd523e53

            SHA512

            490ffa2b75812ec21ded48fc1a926b38251a9fb7b1138c4c20977458ff9fb3cd203c82930163e760c340d4038b9c3ea7d73f3996c8b153ebf7f7b80b8e470aac

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          • C:\Program Files\ExitRequest.doc.exe
            Filesize

            512KB

            MD5

            0783a4f59e45522defaa667fcd0c892e

            SHA1

            66821fd62a3f3e7a451257bb7d635ca529fc472b

            SHA256

            858a0bb0a8611db105b4b62a69a65bd0f5057bba76eb63fa84169b1b0c8bca22

            SHA512

            fe3ce2913688b0fc6d7ef8cc51abf7f326c567d626c25da5c86f98207fade0ba201d2d5e4cea2d5d34d89e75ebde378945ad27395d51b4ce40001b7e771984b0

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

            19KB

            MD5

            5859e4318be5815045f74a8ab29c93eb

            SHA1

            a2929dfd61fd0ee2464ebbcf4ff5198862ca3abf

            SHA256

            5ca1b37b6933b0e54fce43acd21bc5bc50dd4b88ed5a0e0f328abcd13c82d4a4

            SHA512

            b63778a95f1a7fb918310651bf189439f6f2c850a8429547a9239d923bbf015f7895e35648856078f68cdb54dfe371e36be67842b8113565f1e06205ffd09fd2

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

            512KB

            MD5

            0b2e1048da524c5bf806cb69562b561a

            SHA1

            a5c3d2c8552312a768755963c16d5cdd6ca0ac99

            SHA256

            cb7d681887d6e7101153a84aa4816c6deff1dccaf17528d18fc3250fbf268daa

            SHA512

            0bc05162b7772e04f19af0c0d0ac019d17d88d519a96ccad52e49ef587b1f5e66667eaa5930318e37159d8ea45760673be439d53cc155153dc1975657266ce77

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

            512KB

            MD5

            401e96d5a92c37fb94e9cdd13c0a86eb

            SHA1

            7f79e7f9504a72c0b7d5ea29ae499af99beba315

            SHA256

            1108cf06f86b27ccad346cd76e6f9b7dbc8afc29bdb8c23c9710d4f0b0942d11

            SHA512

            ccbd791318be2b357b0868ad4799a5d2d64965b66a7c2c608a5998d26f71dc41cf01611e376dda82377798356612f46689bbb677e88f164202e1bf99cccff56c

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          • C:\Windows\mydoc.rtf
            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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          • \Windows\SysWOW64\fdrgbqstel.exe
            Filesize

            512KB

            MD5

            84eff3a66a57127123a47b2b832bd9d9

            SHA1

            f5a4ab681dad105d1a06e7e6f20aa7399c0fc655

            SHA256

            b42e2ddf559eae1e605a3e0780a7d202d10a5a0a97472afa70d47214bfb356aa

            SHA512

            01548c5c84b2ba1ef52429eb73db027d9b387f69779de0b4fa1937f279eba82058fe215b37b1e58602e1615c34f4e8671c6467e6fdc9b77230d94bc59836983a

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          • \Windows\SysWOW64\ruynfytj.exe
            Filesize

            512KB

            MD5

            2a908a44b1a7e4df1951de56e598fcc6

            SHA1

            ede45116d86ff63e5145145da95c9490add49ca2

            SHA256

            9be5a622aa1f0763e96fd998228963669a976e1f22376588c0b627683613f991

            SHA512

            d2c3e46f27bc2c9b029ded774cadc1abc2adbeb3213a1e845c6451002345d5210bd88c9aa71ba1bb94e48544c7d22b6c8464b0aef0fc2bfaefbdeab9996e8d31

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          • memory/2412-51-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2412-105-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2508-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download