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Overview

overview

10

Static

static

5

03e0a521cc...16.exe

windows7-x64

10

03e0a521cc...16.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2023, 21:00

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General

  • Target

    03e0a521ccb092a61fb3723b38a58b16.exe

  • Size

    512KB

  • MD5

    03e0a521ccb092a61fb3723b38a58b16

  • SHA1

    3997fa18edffd374885168409d98aecb23b77315

  • SHA256

    3003a35975df39e6fbf9ee24aa6af6565989f80532ec61ab200b51343b409dfd

  • SHA512

    c4ec42774a330a077248166ec564832474fcf68c5489bf6ce46f3892081740c85506ccbff834ac2bac6674b87c9156a7a4c11ab59c7382982f3e0277806a02dd

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6j:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5C

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 6 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\03e0a521ccb092a61fb3723b38a58b16.exe
    "C:\Users\Admin\AppData\Local\Temp\03e0a521ccb092a61fb3723b38a58b16.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:2792
    • C:\Windows\SysWOW64\kmyxucbddc.exe
      kmyxucbddc.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:2752
      • C:\Windows\SysWOW64\pjvghnba.exe
        C:\Windows\system32\pjvghnba.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:2712
    • C:\Windows\SysWOW64\cizbzwvqrsfaumf.exe
      cizbzwvqrsfaumf.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2804
    • C:\Windows\SysWOW64\pjvghnba.exe
      pjvghnba.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:1876
    • C:\Windows\SysWOW64\avcaxtliqgtzy.exe
      avcaxtliqgtzy.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2576
    • 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:2584
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1908

    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

      ae1b07e92b4bdc1fdad417c9da02a22d

      SHA1

      833fb9ab2623b5bc0d4d91228a411201b8e1a025

      SHA256

      a6a599045d818280626a86a55188af3499223e5740b122c15d4604aa875fbb90

      SHA512

      eb3455122e3d914920ab3beca02bb3fc4949f1ac2bbcbf4a13c3d8faf86a3255560fdc649c03a66d48d0096102240503f40823cbea8d7f1d273db04f8953a587

      Download Submit

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

      20KB

      MD5

      cbd2b1af3204b311863e9f412fd9372a

      SHA1

      1814d1784816c1c90c02e28c943be325d990f0e1

      SHA256

      3ef039da4b9f5351e1cfcf2ae0db02881cbb906e82724cc0f641f98b14e57e7b

      SHA512

      ac6592d6cd8e205161255e885bd422b47c29ca476bb8b03f2a2515686d3ae0ddfa5481976c8a73c06ca4ff019044de9d4e2e1ba583ade91abe78762f81ef775f

      Download Submit

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

      512KB

      MD5

      e5fb9ff5788ef11856e049d99deeb2e5

      SHA1

      85d8cfc51f2515ab01174f28d6cd4012bf7b1b61

      SHA256

      95e16f720e0dbd0a499284f0ff9172b701a9fd97b16632986962ae4c1f46c899

      SHA512

      a53f3a7c226e4666cfa1cf7767a908108badfa64621d254eb86f9403ac25a1fff5ce6d6aa910269593ac1716fd9e0ca88f34b5a8fddfe50695d9ab997f1a3cec

      Download Submit

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

      512KB

      MD5

      08d884bf9b9ac2ca141fca6d628d21b4

      SHA1

      81d4a284cdc86abb5ee97cafeec5f5445c3601ff

      SHA256

      4a775aa86884647922f9255f7c226a116adfa36c64dec209e4e3c1e1862d4f2e

      SHA512

      99750f2b19ae174f791e9c3353341f9ab382792a1d493f525e0ec24997812122a775847acf212f9bc710770e5e6779c6c305e141b47a6c7e39ec8757e0c8c226

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\kmyxucbddc.exe
      Filesize

      512KB

      MD5

      e31fed94903453fb277bccec53973513

      SHA1

      0009e231fbf9fc884561024efc8e44242f51b0fb

      SHA256

      553df9d426e90b2c5efbb75f5fc00368c8618bf58bc56ebcf44ed6a6a31b17c4

      SHA512

      bceaf5c661ec4d461d76c4dbce96c9a61aca67bc0b7c61d7e258598500eb5308f8f5c428a43cdfabcb66e549ab9245ad4e104a1500aa07dc5a1c5e84c1a39984

      Download Submit

    • \Windows\SysWOW64\pjvghnba.exe
      Filesize

      512KB

      MD5

      004482ca73bab97078de9d019c93234e

      SHA1

      c7bc672fe2412034feba4ba52596e1a1d2bf57da

      SHA256

      3e442b5c6fffc07943cbccb1a4c53a3da55c4a73bfd4b56512a5b890b38c882c

      SHA512

      80579266753e0de546a598b607d1007445ff6d96f3e1e7a260c7af1c5ad2e4c0117cdb1b3006849b6b53edea56c56a1596406b4571d56e25a7e1049ce2a8ccf8

      Download Submit

    • memory/2584-47-0x00000000714ED000-0x00000000714F8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2584-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2584-45-0x000000002F0D1000-0x000000002F0D2000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2584-76-0x00000000714ED000-0x00000000714F8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2584-97-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2792-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download