Analysis

  • max time kernel
    147s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-03-2024 16:49

General

  • Target

    b7e527e572d6abb99dd0a02820828d29.exe

  • Size

    352KB

  • MD5

    b7e527e572d6abb99dd0a02820828d29

  • SHA1

    5b6d1da284a9446338a8e0252d4c6aaed7da6f98

  • SHA256

    f37e231d9fca43ebf0745a01769cedd64f9df3d0c8c50cdce8c6cd535a0e4482

  • SHA512

    ec71163fb3956f9681a27f4c4495239f265a2741773f06de653ec676d5bf414543da2d8d6daade4a9f00db82967714e06be3e8925d1363c5af91f19eb61fb03f

  • SSDEEP

    6144:pMK5fKXKtphMsIs3msTiHe10ceqKMLGbpzhvUZi98gWNlPTGQQm6agrd:pMKtKX8hM+TTekGB5oNtTird

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Control Panel 2 IoCs
  • Modifies data under HKEY_USERS 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7e527e572d6abb99dd0a02820828d29.exe
    "C:\Users\Admin\AppData\Local\Temp\b7e527e572d6abb99dd0a02820828d29.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies Control Panel
      • Modifies data under HKEY_USERS
      PID:2888
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:2580
  • C:\Windows\sdfsdfsdf.exe
    C:\Windows\sdfsdfsdf.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2.jpg

    Filesize

    19KB

    MD5

    3b3968fbe6aa0cd464711c67b6a43e50

    SHA1

    89bf44d7e79ae9a414e869891abaa4f0c2b4e93d

    SHA256

    bc0f6ed81888cf47ba0978c7403d7bea8bfcd4496a66f6a47b15dd635fdd5500

    SHA512

    baad5243e76f9ed6d2f1216b477215d72dcac18e7db39e792eedf345535bbb81c9df16e47b95375e091db5258d34b1c748df0ccc819378e693edd75172e6563c

  • \Users\Admin\AppData\Local\Temp\1.exe

    Filesize

    201KB

    MD5

    10a3dbcb3a714de2187dec1cfb0d4f9e

    SHA1

    fc58aa2afdde837df3ee86986595c717dda849fb

    SHA256

    3716ad0687ab5868947c7460bcb5c7e75bbbabbc3e06f447b5df146e83357dd4

    SHA512

    509d07de9b985ef680fbc66998eb130cce3293ecceb80a4509514c84bc5c082b414a6dcca9af7facef4ee814b34b1e030f94978b4688380dd0c121a71c0b12bf

  • memory/1176-13-0x0000000002820000-0x0000000002822000-memory.dmp

    Filesize

    8KB

  • memory/1176-1-0x0000000000330000-0x0000000000373000-memory.dmp

    Filesize

    268KB

  • memory/1176-11-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/1176-12-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB

  • memory/1176-9-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/1176-6-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/1176-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/1176-4-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1176-3-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/1176-2-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1176-0-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1176-8-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/1176-24-0x0000000002E60000-0x0000000002EEB000-memory.dmp

    Filesize

    556KB

  • memory/1176-7-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/1176-32-0x0000000002E60000-0x0000000002EEB000-memory.dmp

    Filesize

    556KB

  • memory/1176-25-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1176-31-0x0000000000330000-0x0000000000373000-memory.dmp

    Filesize

    268KB

  • memory/2580-16-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2580-14-0x0000000000230000-0x0000000000232000-memory.dmp

    Filesize

    8KB

  • memory/2580-41-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2888-27-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2888-38-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/3028-37-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/3028-40-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB