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Overview

overview

10

Static

static

5

45f3f7dd5b...18.exe

windows7-x64

10

45f3f7dd5b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:26

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General

  • Target

    45f3f7dd5bc12614c370b2a84797a6b2_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    45f3f7dd5bc12614c370b2a84797a6b2

  • SHA1

    26277c4faa6a311d28f23331d6e6a83985bbbcf9

  • SHA256

    9c41efa16ee9811daf1d79794ceadd5475fcd294166d5664fdf1a835e5a7b1ef

  • SHA512

    186fc2af56e02ebb7c5eba6e2a06feafa3af85481f18e677729da82d2bf14ec2e351646c683a64136522120b960e90e597fbf042e50fc0f0e0e28eb3f81ff2d0

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6P:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm56

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 15 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 24 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\45f3f7dd5bc12614c370b2a84797a6b2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45f3f7dd5bc12614c370b2a84797a6b2_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:2260
    • C:\Windows\SysWOW64\yudfnnnlpv.exe
      yudfnnnlpv.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:3012
      • C:\Windows\SysWOW64\qafzzzqe.exe
        C:\Windows\system32\qafzzzqe.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2876
    • C:\Windows\SysWOW64\vxmrthcqdhnujma.exe
      vxmrthcqdhnujma.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2580
    • C:\Windows\SysWOW64\qafzzzqe.exe
      qafzzzqe.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:2652
    • C:\Windows\SysWOW64\nnbiworpfdovf.exe
      nnbiworpfdovf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2564
    • 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:2936
  • 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:1552

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

    6e96b4a34a5bcb23f697079f107b12f4

    SHA1

    f3bb0e0a1335bb1ab798347417c317c81648d70b

    SHA256

    462944c7c0792b56185f107f5ff2de3c5279e9bcb222f08d6460a1cd51f8dc37

    SHA512

    25592afd0ec3b7891b4ff993c297fd1f777ef9b8d466a9daad43300e4408593501fd1ace92eef6e67051b4394ebd3d74cdcdcd5fdf379131b41bf5a93ef7d985

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

    512KB

    MD5

    12c380ffb3592b006f22914224d87003

    SHA1

    1f44800a46292d78d8efbff0b41c8c6d16d1a1bf

    SHA256

    b20a62156a314b47785a32d4d8dd3f4b796fbc394a60ca146eb8b3bfdc1ab9cc

    SHA512

    742335916f8e70ffc23d7b80799dc78648a7af4ec1293aa3c5d91a7d5ee2f19d8186a0f2a01d3bddf477dc9bde62fe038a4e9b5119a567805c95c6d748ed649a

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

    512KB

    MD5

    19e308fe1ff37ce1ce31dd30ee0b8a5f

    SHA1

    1b6084101a2977118c79b8756136231deaf2c0f7

    SHA256

    6c2cd87c2363cd7d3045a508e840b4d21b87254180d7a3e536a560d2586fe484

    SHA512

    76d282bdf50f6e38c80671ed304ccbca225087b665748eb0ff7aab95a293ab5ea2b9a2f4448f05615f21403262e396b2dbf3be5042ff8431f042e4bbc00ad96c

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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  • \Windows\SysWOW64\nnbiworpfdovf.exe
    Filesize

    512KB

    MD5

    75d87bf9d8050ba9e369dc65252297d3

    SHA1

    d645d8df9e35d37806536a74d1b3f755bbe64053

    SHA256

    9a45ff1fb5ac8790dca6741594b07da4d08c6461c6d0689e339ca201990969d7

    SHA512

    a0d26944a0dbb67af5c48a8ca1b144b2f25a39f7f99d8d9c3e129ff3d8ae3265ca878cbc153d268e3825f017c977fc8fc92bef199ea0da192d151c8b3c457d33

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  • \Windows\SysWOW64\qafzzzqe.exe
    Filesize

    512KB

    MD5

    4f8f4df33e97d88b2e56fad93f54a7f2

    SHA1

    d9683c1695708c95269be59ed25d171b56c8ae53

    SHA256

    4a3daa59a24a63a96d5ff5f56925c55d1451ff770e02343e26515e6753ca0a09

    SHA512

    93920538b2b4b89ad4873bba5f2dab5e96e72fe7d8e7863b18a3ddfaaff51ac3943a4edacbb3b696e802806a7dc9bd97fba0eb910a2633f3352f1fb7826f4d3a

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  • \Windows\SysWOW64\yudfnnnlpv.exe
    Filesize

    512KB

    MD5

    b29267779170ffe8b856aca9513702bc

    SHA1

    226a4db62d8e9a62ad4f330de24f7d8df5ab2e54

    SHA256

    068e884205834b6a4d62293cafbda5d7c1110296325cdff5bf73024aecb42c55

    SHA512

    03ae84487773c794167a5b9853ff7b013748b080551c7e0cedbc9d5ee2c99c7289526d4bdafbe765420afff35813f4095f59e3667eb5c0877eb36f5f07973825

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  • memory/1552-81-0x00000000029C0000-0x00000000029D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2260-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download

  • memory/2936-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download