Overview

overview

8

Static

static

3

25dffa5d20...cf.exe

windows7-x64

8

25dffa5d20...cf.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 15:32

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General

  • Target

    25dffa5d20ec8c35327fcba8fabe662548aef8c36780f54ae8eefa815a5479cf.exe

  • Size

    405KB

  • MD5

    9e284be47ecfc9fb69420d7f9b73938c

  • SHA1

    4bd410f8aeac8913b6ffe233f81fc84c0ce7bbc5

  • SHA256

    25dffa5d20ec8c35327fcba8fabe662548aef8c36780f54ae8eefa815a5479cf

  • SHA512

    e58ef15d0a5a1ab215194a5dfd96584825208617a5dc42e938f17ba57582f9a9b08b85970a00563edd60d1923dbc9e4d4c179b273c5a3fbe0d0267be7b833527

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4g:gtRfJcNYFNm8UhlZGseg

Score
8/10
bootkitpersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25dffa5d20ec8c35327fcba8fabe662548aef8c36780f54ae8eefa815a5479cf.exe
    "C:\Users\Admin\AppData\Local\Temp\25dffa5d20ec8c35327fcba8fabe662548aef8c36780f54ae8eefa815a5479cf.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\wupyb.exe "C:\Users\Admin\AppData\Local\Temp\25dffa5d20ec8c35327fcba8fabe662548aef8c36780f54ae8eefa815a5479cf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3724
      • C:\Users\Admin\AppData\Local\Temp\wupyb.exe
        C:\Users\Admin\AppData\Local\Temp\\wupyb.exe "C:\Users\Admin\AppData\Local\Temp\25dffa5d20ec8c35327fcba8fabe662548aef8c36780f54ae8eefa815a5479cf.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2424
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\wjjec\sxsue.dll",Verify C:\Users\Admin\AppData\Local\Temp\wupyb.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\wupyb.exe
    Filesize

    405KB

    MD5

    9f95685aeb6c5eb5631f13b88c6f83ef

    SHA1

    71c3c8a1e4d2ae50e10121caa75d437d95b9d7c9

    SHA256

    1d7e7ec4f70008cd89011e03020feac716b6397f800d910bf5a34c9b77f712ed

    SHA512

    e7d71c512ac9f4091fe3de3abf6d413955949e8668c60961944c0104bbf083da43dac6acd3a33be3cdf381e0ba3fdf89dbdd7b6775a45dee2e040509a1db69c1

    Download Submit
  • \??\c:\Program Files\wjjec\sxsue.dll
    Filesize

    228KB

    MD5

    69faeda92a500a5306d6e5bd5b3d1ab1

    SHA1

    e7af204995b5f7e734f0e35b567b890395f67350

    SHA256

    c677c1008d3808740fbebd065c409d2aeda8e6958b202c2fc4a261f27d01115d

    SHA512

    d62bcda392124cad8a61d2b1fb732ea7ec9ee065fd2888255489a7a9edcf714b0a42de3b2fa7cd3158708eb53099a64704ecafc7c97902e5ebfe0240b70d8112

    Download Submit
  • memory/1556-10-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/1556-12-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/1556-13-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2324-0-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2324-2-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2424-7-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download