Overview

overview

10

Static

static

5

04938f57db...18.exe

windows7-x64

10

04938f57db...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 06:32

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General

  • Target

    04938f57dbc1fe4d19ac4b7971536702_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    04938f57dbc1fe4d19ac4b7971536702

  • SHA1

    d00573fc8d8f0ef0c76bbabc0af9cbe6d481e453

  • SHA256

    d81ff74868745291b4314572093928de0ff2ea40dbd48081ca5209188b4601a3

  • SHA512

    de559fba535fef507869c0ee7bf083e3eb66e5045f4e438f4a689b18a03802d04b20e2b22c41a8caf880cf9a2b17d18b1dfc0ef452c6607855ed6557b9ac1baf

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6Y: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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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 21 IoCs
  • Drops file in Windows directory 4 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 AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\04938f57dbc1fe4d19ac4b7971536702_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\04938f57dbc1fe4d19ac4b7971536702_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:1728
    • C:\Windows\SysWOW64\kzwwbkpnqo.exe
      kzwwbkpnqo.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:2696
      • C:\Windows\SysWOW64\lglzmqov.exe
        C:\Windows\system32\lglzmqov.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:1768
    • C:\Windows\SysWOW64\vkkbijbzfenlpfn.exe
      vkkbijbzfenlpfn.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:2860
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c gfflkuzbibvzp.exe
        3⤵
          PID:2416
      • C:\Windows\SysWOW64\lglzmqov.exe
        lglzmqov.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:2412
      • C:\Windows\SysWOW64\gfflkuzbibvzp.exe
        gfflkuzbibvzp.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2492
      • 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
        PID:2964
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2780

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    3
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Privilege Escalation

    Boot or Logon Autostart Execution

    3
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Defense Evasion

    Hide Artifacts

    2
    T1564

    Hidden Files and Directories

    2
    T1564.001

    Modify Registry

    8
    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

    2
    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:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
      Filesize

      512KB

      MD5

      993c1ed0291f45aa71fdfbd656df76a8

      SHA1

      cdc3953cc853d52b4e4a80664d67784c8a480a31

      SHA256

      1cdb339e662284fb26ec9eb5208dd381825ed3d8467098dc12a6a2d6832ca57f

      SHA512

      6693596394e536f24bad3ee32131c039857d315b7d568b59c3bd46885aa87c244641b63bd5b0ca68a99a3f862acec4215afe448e3500b5b9243f670f1a248c3f

      Download Submit
    • C:\Program Files\UndoPublish.doc.exe
      Filesize

      512KB

      MD5

      b67f1828cef075652e8d1639fb7a95b8

      SHA1

      d78970bff5a4723e40b857b85ebaa98c3792784c

      SHA256

      a57387d9b588341821aa10fe8c28f837ff85bd33741b0a3cb3f23af67dc1d193

      SHA512

      1f233a7d1c8bec4fb0084d90e606c28a06fd0efab7770426da0bda15e31172c8faee3f7fb4649cfaf3ea1914301661345e18f536d658d42c39b0a5ed6c021ca5

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

      512KB

      MD5

      070dc6996b1425f08c9a12d46b7bdeaf

      SHA1

      cdaa36d4290e4b8d9d45b099ffad54fae2ba3057

      SHA256

      35e0f29b9099e27d8f6daa6b7961278a89723d8170180c6e687b39a9cb344115

      SHA512

      a6e8676ca4a01c660c3b66fe37b438e778eaec7e8044e31218a9248ee57bb40d8315a4431fa4e2da17787b7629a223fbff611cf8f21c2e43b715ede568c9b2ba

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

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

      512KB

      MD5

      7b0807078e6e61a8e306a242d6aa6885

      SHA1

      049937d49766130069dd1155590ee26b1bc69e12

      SHA256

      b1dfe151744ead7f3a8c1ecf7ba3dde69db8db5cedbbf99f78031be37a3e1e83

      SHA512

      7dae6ac45beacdb06a78034f20fa5e49ea194db00c700157e20671a9a258c22724a1c0f1d59f9f39967b57166a4b56006e2412a7ce0f078a13fdd7184539cfab

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

      512KB

      MD5

      a2d774de6b112bcc36eaa400778f4b55

      SHA1

      9da48ca4b982960870c239fbf00ccba54a4a524c

      SHA256

      0d2f31ee35b548ec0ca655aad03fe08f6c98e7f71f57d905991ae4b929e1c435

      SHA512

      1a9ff94c906d7804bca28f3fa9a5124d55356bdb6e3a0c294e2872a136f6290630d450cee155becd9aba7da1ec9ff28687266464c6f523aa69d51120eb9f88aa

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    • \Windows\SysWOW64\vkkbijbzfenlpfn.exe
      Filesize

      512KB

      MD5

      ec90d14bf07c07494baab59dba8e46a4

      SHA1

      919ee71d770e412fcf120ffddd207e584bd9442e

      SHA256

      05f05f86838f9e4b38716381b8a4689733477751f3a84482b501986dde991711

      SHA512

      88783632996c106f20db8b6e5ce43316fef26e23fe2278cc3c2af0d042828de086f027511bdd91fcf55627d36573228363efcb974458dfa2de36165783c9c78e

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    • memory/1728-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download
    • memory/2780-84-0x0000000002990000-0x00000000029A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2964-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download