Analysis

  • max time kernel
    59s
  • max time network
    59s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 22:04

General

  • Target

    a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0.exe

  • Size

    41KB

  • MD5

    ec33976b3011688c413a11e447cc8cc8

  • SHA1

    aafec04e967cd4fac2d51252d56c1d9e3aca950b

  • SHA256

    a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0

  • SHA512

    c5f2b23a7c590d940de67620e38fbe21a4030e8ae4e560601dc0405465832b27b89f34c4ffe02965b7d42fddbd25331ef8b5ef113a4279d2a657c7b3f00895e6

  • SSDEEP

    768:QIBar1ZIZYnfI9opm6AIHIjaI7g9mVmUn2oNE/W5dRV8:pW1ZIZqI9opm6AIHIjzmUXNzd

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0.exe
    "C:\Users\Admin\AppData\Local\Temp\a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Users\Admin\sxhost.exe
      "C:\Users\Admin\sxhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\sxhost.exe >> NUL
        3⤵
          PID:1772
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A008FE~1.EXE >> NUL
        2⤵
        • Deletes itself
        PID:1428

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      ec33976b3011688c413a11e447cc8cc8

      SHA1

      aafec04e967cd4fac2d51252d56c1d9e3aca950b

      SHA256

      a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0

      SHA512

      c5f2b23a7c590d940de67620e38fbe21a4030e8ae4e560601dc0405465832b27b89f34c4ffe02965b7d42fddbd25331ef8b5ef113a4279d2a657c7b3f00895e6

    • C:\Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      ec33976b3011688c413a11e447cc8cc8

      SHA1

      aafec04e967cd4fac2d51252d56c1d9e3aca950b

      SHA256

      a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0

      SHA512

      c5f2b23a7c590d940de67620e38fbe21a4030e8ae4e560601dc0405465832b27b89f34c4ffe02965b7d42fddbd25331ef8b5ef113a4279d2a657c7b3f00895e6

    • \Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      ec33976b3011688c413a11e447cc8cc8

      SHA1

      aafec04e967cd4fac2d51252d56c1d9e3aca950b

      SHA256

      a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0

      SHA512

      c5f2b23a7c590d940de67620e38fbe21a4030e8ae4e560601dc0405465832b27b89f34c4ffe02965b7d42fddbd25331ef8b5ef113a4279d2a657c7b3f00895e6

    • \Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      ec33976b3011688c413a11e447cc8cc8

      SHA1

      aafec04e967cd4fac2d51252d56c1d9e3aca950b

      SHA256

      a008fe4f80ed3aa2fea192c8056b2a9c84f43c1d43c13ac5e569c3ec74c4f0c0

      SHA512

      c5f2b23a7c590d940de67620e38fbe21a4030e8ae4e560601dc0405465832b27b89f34c4ffe02965b7d42fddbd25331ef8b5ef113a4279d2a657c7b3f00895e6

    • memory/892-61-0x0000000002780000-0x0000000002795000-memory.dmp

      Filesize

      84KB

    • memory/892-54-0x0000000075521000-0x0000000075523000-memory.dmp

      Filesize

      8KB

    • memory/892-62-0x0000000002780000-0x0000000002795000-memory.dmp

      Filesize

      84KB

    • memory/892-65-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/892-55-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1428-64-0x0000000000000000-mapping.dmp

    • memory/1564-58-0x0000000000000000-mapping.dmp

    • memory/1564-63-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1564-67-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1772-66-0x0000000000000000-mapping.dmp