Overview

overview

10

Static

static

5

36f77f8521...33.exe

windows7-x64

10

36f77f8521...33.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    11s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 19:11

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General

  • Target

    36f77f85211640259a084e355e9dcc33.exe

  • Size

    512KB

  • MD5

    36f77f85211640259a084e355e9dcc33

  • SHA1

    d5c36c92984e20e25a916b55e3fa891f43300722

  • SHA256

    8b86d800326af6c90eee8717311be47858cebf89bdbc661f82a9bc5b67f508ab

  • SHA512

    72bdd7334e370214894c67d57afccf6efa244b56d8e7d4f1a9001af93fc201da6f6a25ad91ef28bdcbf41256a75b6857ba5e7177b467ababe55ac50304b46ec3

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj67:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5G

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 3 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 FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36f77f85211640259a084e355e9dcc33.exe
    "C:\Users\Admin\AppData\Local\Temp\36f77f85211640259a084e355e9dcc33.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:1108
    • 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:788
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2848
      • C:\Windows\SysWOW64\qevngcntuuyta.exe
        qevngcntuuyta.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2684
      • C:\Windows\SysWOW64\qpthmwdw.exe
        qpthmwdw.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:2604
      • C:\Windows\SysWOW64\xbgnhmbjilniubq.exe
        xbgnhmbjilniubq.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1988
      • C:\Windows\SysWOW64\tauhfkeuwf.exe
        tauhfkeuwf.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:2148
    • C:\Windows\SysWOW64\qpthmwdw.exe
      C:\Windows\system32\qpthmwdw.exe
      1⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2624

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

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

            20KB

            MD5

            18365c589187b5a9d6e43c6e59d99298

            SHA1

            00a1025a66580dac0a959f246b0c36604b68b682

            SHA256

            86ce72bbf092168348b77b3eb8de4d597e583f373b16df692e8fda9d19979cb3

            SHA512

            6ba8e0574612c8e7f739245cdec796a1f120d2466b80dffb9c3822d46d214b6df4038b613e8511eeae6e925254745d1afa75fb6cf7aab3752c22e84ed61a1ffa

            Download Submit

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

            93KB

            MD5

            257f28bd5bdc2b725434b7ab570814e7

            SHA1

            972446e0f8d210c5d6f42a57a921391a236d564d

            SHA256

            d80f45a5995ba038d69dbe87f7c12827ffa2b53e79beedb0bc6ee91c10a61688

            SHA512

            c27aa91c3c3605941a1a121021c840fc7886cf27d43e9d6b2c371888a276d9dfd39135600a4f933f62dfa3d46cb6e12de6e31b3f8b939676701ff37f8cc61575

            Download Submit

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

            512KB

            MD5

            1817b1d3ea4004021107c1893375e8e4

            SHA1

            6a2f404b4a46cf8bf292e0cc243e17a33cb3f451

            SHA256

            b298658f25e13d8e3465e7a3ab6cca465850013ab6b1efa394efef71f82447e2

            SHA512

            8b2615e8b0ce8ab489533d70672d8a2fbe90b66dcad59ba5f9b112ca4b509a147bf42dce3a278f29db86071c7a0592efe66db4aee2b22738fcdbf39890060dc0

            Download Submit

          • memory/788-45-0x000000002FED1000-0x000000002FED2000-memory.dmp

            Filesize

            4KB

            Download

          • memory/788-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/788-47-0x000000007138D000-0x0000000071398000-memory.dmp

            Filesize

            44KB

            Download

          • memory/788-81-0x000000007138D000-0x0000000071398000-memory.dmp

            Filesize

            44KB

            Download

          • memory/788-102-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/1108-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download