Analysis

  • max time kernel
    152s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:47

General

  • Target

    7d4f89ad362779ceab3e79784c90b22346b1f053451aa65e53bcf754b1395b62.exe

  • Size

    286KB

  • MD5

    f72d15d6b4acf8078292d53c1dd3755a

  • SHA1

    3fd52da27e28b5e3d09743c09a72b58689508288

  • SHA256

    7d4f89ad362779ceab3e79784c90b22346b1f053451aa65e53bcf754b1395b62

  • SHA512

    9ab7f0a1db7ab35d8d936a5ab1c8398c9350a2f9eadc76c7e88834b0e9488ebff9da3fb008a0c591eaa23faed6c04e9ad325c795164f35b4abb4f20219686a6a

  • SSDEEP

    6144:B0Ejt/wbJlcp8J0Ya1AUM1VrtNjVsF9cMSVv5gRd6:BLtWeg051BM1NtrswMSB5y

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d4f89ad362779ceab3e79784c90b22346b1f053451aa65e53bcf754b1395b62.exe
    "C:\Users\Admin\AppData\Local\Temp\7d4f89ad362779ceab3e79784c90b22346b1f053451aa65e53bcf754b1395b62.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:780
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    286KB

    MD5

    f72d15d6b4acf8078292d53c1dd3755a

    SHA1

    3fd52da27e28b5e3d09743c09a72b58689508288

    SHA256

    7d4f89ad362779ceab3e79784c90b22346b1f053451aa65e53bcf754b1395b62

    SHA512

    9ab7f0a1db7ab35d8d936a5ab1c8398c9350a2f9eadc76c7e88834b0e9488ebff9da3fb008a0c591eaa23faed6c04e9ad325c795164f35b4abb4f20219686a6a

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    286KB

    MD5

    f72d15d6b4acf8078292d53c1dd3755a

    SHA1

    3fd52da27e28b5e3d09743c09a72b58689508288

    SHA256

    7d4f89ad362779ceab3e79784c90b22346b1f053451aa65e53bcf754b1395b62

    SHA512

    9ab7f0a1db7ab35d8d936a5ab1c8398c9350a2f9eadc76c7e88834b0e9488ebff9da3fb008a0c591eaa23faed6c04e9ad325c795164f35b4abb4f20219686a6a

  • memory/780-63-0x000007FEF20B0000-0x000007FEF3146000-memory.dmp

    Filesize

    16.6MB

  • memory/780-58-0x0000000000000000-mapping.dmp

  • memory/780-61-0x000007FEF3150000-0x000007FEF3B73000-memory.dmp

    Filesize

    10.1MB

  • memory/780-62-0x000007FEF40F0000-0x000007FEF45B0000-memory.dmp

    Filesize

    4.8MB

  • memory/780-66-0x0000000000B58000-0x0000000000B5D000-memory.dmp

    Filesize

    20KB

  • memory/780-67-0x0000000000B58000-0x0000000000B5D000-memory.dmp

    Filesize

    20KB

  • memory/864-64-0x0000000000000000-mapping.dmp

  • memory/1360-57-0x000007FEFB541000-0x000007FEFB543000-memory.dmp

    Filesize

    8KB

  • memory/1360-56-0x000007FEF2620000-0x000007FEF36B6000-memory.dmp

    Filesize

    16.6MB

  • memory/1360-55-0x000007FEF36C0000-0x000007FEF3B80000-memory.dmp

    Filesize

    4.8MB

  • memory/1360-54-0x000007FEF3B80000-0x000007FEF45A3000-memory.dmp

    Filesize

    10.1MB