Overview

overview

8

Static

static

3

758fe39a2c...50.exe

windows7-x64

8

758fe39a2c...50.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 13:29

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target

    758fe39a2cc240a09337f4e1afad39bdb3b58e52cdb4666b5d875a03930daa50.exe

  • Size

    406KB

  • MD5

    75fa0390e601200747e3d0e749cfc851

  • SHA1

    4da9729e4aec8e6151a3a1e57012f3db67778a7f

  • SHA256

    758fe39a2cc240a09337f4e1afad39bdb3b58e52cdb4666b5d875a03930daa50

  • SHA512

    2b335ab22a036367a3664c25b71985ce89323d8789e2a2f9ac6490cc86e9bfb22c7341c69f6dcb346b9f8cf079f48d240f64c937be057e4239b02fe66609617e

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4b:gtRfJcNYFNm8UhlZGseb

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\758fe39a2cc240a09337f4e1afad39bdb3b58e52cdb4666b5d875a03930daa50.exe
    "C:\Users\Admin\AppData\Local\Temp\758fe39a2cc240a09337f4e1afad39bdb3b58e52cdb4666b5d875a03930daa50.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mldum.exe "C:\Users\Admin\AppData\Local\Temp\758fe39a2cc240a09337f4e1afad39bdb3b58e52cdb4666b5d875a03930daa50.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3964
      • C:\Users\Admin\AppData\Local\Temp\mldum.exe
        C:\Users\Admin\AppData\Local\Temp\\mldum.exe "C:\Users\Admin\AppData\Local\Temp\758fe39a2cc240a09337f4e1afad39bdb3b58e52cdb4666b5d875a03930daa50.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2180
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\jsbzb\madzp.dll",Verify C:\Users\Admin\AppData\Local\Temp\mldum.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:4744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          406KB

          MD5

          6464eb06a9e6dbbe1a3e1e347db83828

          SHA1

          b6e5bf75e9ea16326aa68eeb12b32a3ba50f9ec5

          SHA256

          13deda778cbeba9b3806406752a7b7332f6418fc956140f9fd2ad5e1dc3a9b38

          SHA512

          03588164a08b4c52a290bc1f42a04700b4936a07185956c74f998074c393d13a54e2e0b4c48fbc8595e34d1a8590657d82fd3637beb12df638648d86616284bb

          Download Submit

        • \??\c:\Program Files\jsbzb\madzp.dll
          Filesize

          228KB

          MD5

          7a3abf1b544dbcdf7b8008a1aca1258a

          SHA1

          d1b53aeaac0156782763346139d5b91ddc34bdd4

          SHA256

          aecdf25d5eeb7d7def1e4aff8a08e38feb56ed37d740497e965f83d585476789

          SHA512

          b03d107b7905db8a325c2117a76b5bf5e47951a781e462d15dda060ae7a16142b80414c921665ffa48da227f7bb9d2f1622a3310d75dd16458abf15ed1e2e75d

          Download Submit

        • memory/400-0-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

          Download

        • memory/400-2-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

          Download

        • memory/2180-6-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

          Download

        • memory/2180-8-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

          Download

        • memory/4744-11-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

          Download

        • memory/4744-12-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

          Download

        • memory/4744-14-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

          Download