Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2023 02:48

General

  • Target

    SY.bin.exe

  • Size

    5.0MB

  • MD5

    a25a987008a0014a858f879cf610ebd9

  • SHA1

    6a8795769baabfd47dc3e4cfa960db5f8d460974

  • SHA256

    0963c3554c63a46c79fc03c813a6ae317b49deb47279e2e51cf339c801486756

  • SHA512

    035e40331886e007a5b135e3b8f352ee2ba8e78bd6cd4201f6ba00c8c8cb7e3490e9bba7674c8d85a5810ef3b1f71c117fb4decc91093b25990b679a3605a653

  • SSDEEP

    98304:AGUFlFI8Fylp0h1j4KnXXlDEhdHP5LnfVhr5Id3rO3ja16dDG:AGUFlFIPpw12dHPFnfVF5KyTaQ1G

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SY.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\SY.bin.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\voouerDrv.dll

    Filesize

    4.6MB

    MD5

    6abe6dad8a153138d6a2123026b48bbc

    SHA1

    9f37030b6b4a8f101a620c26b6f4695de5d64995

    SHA256

    abb3fb37cf183205290f46b00417323ff2ee7950b1e30d7ccbe8a15717fb2b2e

    SHA512

    e693bdabe81f92179e1ce37e158d1f4c86ceb5330a3134169b01605f43bfd0b4e002f497236caa645ab4511a79835415069f31ec6b9dc2063916aff9b7d155ef

  • C:\Users\Admin\AppData\Local\Temp\voouerDrv.dll

    Filesize

    4.6MB

    MD5

    6abe6dad8a153138d6a2123026b48bbc

    SHA1

    9f37030b6b4a8f101a620c26b6f4695de5d64995

    SHA256

    abb3fb37cf183205290f46b00417323ff2ee7950b1e30d7ccbe8a15717fb2b2e

    SHA512

    e693bdabe81f92179e1ce37e158d1f4c86ceb5330a3134169b01605f43bfd0b4e002f497236caa645ab4511a79835415069f31ec6b9dc2063916aff9b7d155ef

  • memory/2800-173-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-205-0x0000000075010000-0x0000000075460000-memory.dmp

    Filesize

    4.3MB

  • memory/2800-137-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-139-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-141-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-142-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-143-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-144-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-146-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-148-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-150-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-152-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-155-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-157-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-159-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-160-0x0000000000400000-0x0000000000EDF000-memory.dmp

    Filesize

    10.9MB

  • memory/2800-162-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-165-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-164-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/2800-167-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-169-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-171-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-209-0x0000000000400000-0x0000000000EDF000-memory.dmp

    Filesize

    10.9MB

  • memory/2800-136-0x0000000000400000-0x0000000000EDF000-memory.dmp

    Filesize

    10.9MB

  • memory/2800-135-0x0000000000400000-0x0000000000EDF000-memory.dmp

    Filesize

    10.9MB

  • memory/2800-179-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-181-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-177-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-134-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/2800-188-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-190-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-192-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-193-0x0000000004A70000-0x000000000529B000-memory.dmp

    Filesize

    8.2MB

  • memory/2800-195-0x0000000002DB0000-0x0000000002DB1000-memory.dmp

    Filesize

    4KB

  • memory/2800-196-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

    Filesize

    4KB

  • memory/2800-198-0x0000000002DD0000-0x0000000002DD1000-memory.dmp

    Filesize

    4KB

  • memory/2800-197-0x0000000004A70000-0x000000000529B000-memory.dmp

    Filesize

    8.2MB

  • memory/2800-194-0x0000000002DA0000-0x0000000002DA1000-memory.dmp

    Filesize

    4KB

  • memory/2800-199-0x0000000002F00000-0x0000000002F01000-memory.dmp

    Filesize

    4KB

  • memory/2800-200-0x0000000002F10000-0x0000000002F11000-memory.dmp

    Filesize

    4KB

  • memory/2800-204-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-175-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2800-206-0x0000000000400000-0x0000000000EDF000-memory.dmp

    Filesize

    10.9MB

  • memory/2800-207-0x0000000004A70000-0x000000000529B000-memory.dmp

    Filesize

    8.2MB

  • memory/2800-208-0x0000000075010000-0x0000000075460000-memory.dmp

    Filesize

    4.3MB

  • memory/2800-133-0x0000000000400000-0x0000000000EDF000-memory.dmp

    Filesize

    10.9MB

  • memory/2800-214-0x0000000000400000-0x0000000000EDF000-memory.dmp

    Filesize

    10.9MB