Overview

overview

8

Static

static

3

6caef51435...98.exe

windows7-x64

8

6caef51435...98.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 04:18

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    6caef51435d8fe6e1385bb43c5d9a7b9c1da63e6a96deb69f5627f170263b098.exe

  • Size

    404KB

  • MD5

    afb2d1659defbc870ec42cfb1361e3d7

  • SHA1

    b16036f717087b3d039b34ee7c59df825c5a7a5d

  • SHA256

    6caef51435d8fe6e1385bb43c5d9a7b9c1da63e6a96deb69f5627f170263b098

  • SHA512

    5a8f8b35c504379ae204168d32451d3340633a4b1a0cab13a1680bd69360cb96c2dd34c4eda0ab162cd0cf909aa672b844e2b75aab5b422611c4d58fdee1bc28

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

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\6caef51435d8fe6e1385bb43c5d9a7b9c1da63e6a96deb69f5627f170263b098.exe
    "C:\Users\Admin\AppData\Local\Temp\6caef51435d8fe6e1385bb43c5d9a7b9c1da63e6a96deb69f5627f170263b098.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oczth.exe "C:\Users\Admin\AppData\Local\Temp\6caef51435d8fe6e1385bb43c5d9a7b9c1da63e6a96deb69f5627f170263b098.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4028
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2388
      • C:\Users\Admin\AppData\Local\Temp\oczth.exe
        C:\Users\Admin\AppData\Local\Temp\\oczth.exe "C:\Users\Admin\AppData\Local\Temp\6caef51435d8fe6e1385bb43c5d9a7b9c1da63e6a96deb69f5627f170263b098.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3012
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\amubxlucr\ygqcepnl.dll",Verify C:\Users\Admin\AppData\Local\Temp\oczth.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:3448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    404KB

    MD5

    594f5b91bc76380a51d6a53de9d5aacd

    SHA1

    c6d75ee36d42b7f6e8e8479185b8e682bf557f87

    SHA256

    44e651656edb78cedee7e5da291a78f262aa7a73e5fb8fccf2c312f5c5f39bda

    SHA512

    2f1138a5a10e42ba006336a31baf5e04e269f21424f2b6231eb02eb5e95777460143ce5475b1436dd9fa21829b1ba69afd7e968c7606b806ec1c5751fbf3036d

    Download Submit

  • \??\c:\Program Files\amubxlucr\ygqcepnl.dll
    Filesize

    228KB

    MD5

    5065f189f07bb3cde2fe7322dc559094

    SHA1

    7a5c85ada7557a1b187ee28e87b82442cec204b7

    SHA256

    488c7736e07cc67d3161f26ea0d8781086efe0d7446df4c896435b450924ad6d

    SHA512

    51cbe5f7e12edcfa27b2ce981d70f2bf42f03e9121f2f5e5d62cf4bf2899d2ab8ac83ac99b27b4071392cd2616e4993209bd43ab06d12be02a9bc531cb5d4572

    Download Submit

  • memory/3012-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/3448-10-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/3448-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/3448-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/3452-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/3452-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download