Analysis

  • max time kernel
    88s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-07-2022 03:57

General

  • Target

    48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e.exe

  • Size

    216KB

  • MD5

    670497e6310600fe3149d128946cf9df

  • SHA1

    82a807efec4d2751e0834f5605e13001c6450841

  • SHA256

    48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e

  • SHA512

    4a631b40b65622206ed7f8afebab255f33d54486b377f33c428ddda98f6e1a27bed003c021fae06faafe5df063f835f4f9ddb194d89966eae2447e53e6c32090

Malware Config

Signatures

  • DiamondFox

    DiamondFox is a multipurpose botnet with many capabilities.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops startup file 4 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e.exe
    "C:\Users\Admin\AppData\Local\Temp\48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Users\Admin\AppData\Local\Temp\48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e.exe
      "C:\Users\Admin\AppData\Local\Temp\48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4888
      • C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\spoolsv.exe
        C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\spoolsv.exe
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5092
        • C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\spoolsv.exe
          C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\spoolsv.exe
          4⤵
          • UAC bypass
          • Windows security bypass
          • Executes dropped EXE
          • Drops startup file
          • Windows security modification
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:2696
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\80016A89.cmd
        3⤵
          PID:436

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\80016A89.cmd

      Filesize

      170B

      MD5

      07490cb84315068c4b4574d0845fa079

      SHA1

      44abfd5f47b28257c27a6fdef058fd2807f373c5

      SHA256

      8be315ea075506ad8720caa7265bd99451a382be615528a099bf23ab5c1c80c9

      SHA512

      68d79cd335ecc219d4f1a5150bce5b2c2c3ffca13ca63d414bc58ea0a198b4596ab4ea02347401ba2754985a78c878520f71c101d4afaf98eb14b00304b57c11

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.vbs

      Filesize

      384B

      MD5

      824a719d4a5cce2f0603e9bd63bae64c

      SHA1

      381ea9689a1ca092dfa375f160bc269adde97f8d

      SHA256

      addece724ab9ff11addbf757c3f26b3499f1a372f391d67a04514a93ad8699ac

      SHA512

      8ef76ca77c9a970b7f33afb761d310587412dc8e411259422ca227faac5e51db8da87592545d5e8a10623ed26f1e51d43ae8d2cd471deffb4ca43e8a9832eb3e

    • C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\spoolsv.exe

      Filesize

      216KB

      MD5

      670497e6310600fe3149d128946cf9df

      SHA1

      82a807efec4d2751e0834f5605e13001c6450841

      SHA256

      48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e

      SHA512

      4a631b40b65622206ed7f8afebab255f33d54486b377f33c428ddda98f6e1a27bed003c021fae06faafe5df063f835f4f9ddb194d89966eae2447e53e6c32090

    • C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\spoolsv.exe

      Filesize

      216KB

      MD5

      670497e6310600fe3149d128946cf9df

      SHA1

      82a807efec4d2751e0834f5605e13001c6450841

      SHA256

      48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e

      SHA512

      4a631b40b65622206ed7f8afebab255f33d54486b377f33c428ddda98f6e1a27bed003c021fae06faafe5df063f835f4f9ddb194d89966eae2447e53e6c32090

    • C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\spoolsv.exe

      Filesize

      216KB

      MD5

      670497e6310600fe3149d128946cf9df

      SHA1

      82a807efec4d2751e0834f5605e13001c6450841

      SHA256

      48357e221b1e06c02805694894b00da3042087d2144f303f11e1ca8a3e5e701e

      SHA512

      4a631b40b65622206ed7f8afebab255f33d54486b377f33c428ddda98f6e1a27bed003c021fae06faafe5df063f835f4f9ddb194d89966eae2447e53e6c32090

    • memory/436-165-0x0000000000000000-mapping.dmp

    • memory/2696-203-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-197-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-207-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-206-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-205-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-204-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-209-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-210-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-211-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/2696-202-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-201-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-214-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/2696-200-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-213-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/2696-199-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-198-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-208-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-196-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/2696-195-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/2696-192-0x0000000000400000-0x0000000000401000-memory.dmp

      Filesize

      4KB

    • memory/2696-212-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/2696-189-0x0000000000000000-mapping.dmp

    • memory/3632-156-0x0000000002340000-0x0000000002355000-memory.dmp

      Filesize

      84KB

    • memory/3632-132-0x0000000002340000-0x0000000002355000-memory.dmp

      Filesize

      84KB

    • memory/4888-153-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-161-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-169-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-171-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-170-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-172-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-173-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-174-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-175-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-176-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-177-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-178-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-179-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-180-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-182-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-181-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-184-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-183-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-185-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-186-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-187-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-167-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-164-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-168-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-163-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-162-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-160-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-159-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-158-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-157-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-155-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-154-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-152-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-151-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-133-0x0000000000000000-mapping.dmp

    • memory/4888-145-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-144-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-143-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-142-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-141-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-140-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-139-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-135-0x0000000000400000-0x000000000041024F-memory.dmp

      Filesize

      64KB

    • memory/4888-134-0x0000000000401000-0x0000000000411000-memory.dmp

      Filesize

      64KB

    • memory/5092-146-0x0000000000000000-mapping.dmp