Analysis

  • max time kernel
    129s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2022, 10:05

General

  • Target

    46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe

  • Size

    583KB

  • MD5

    31ae99a368bf4296748f8efa25513d80

  • SHA1

    002daa8b2f65b30711d5db8b6abbfaf1a0fc9b00

  • SHA256

    46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7

  • SHA512

    0a3b1e9cd7a2d3f76890842ce0336d8683ae51f6e0a7d92187470addc580a12dd839548c7bf8f8d626a11695017804f42bd87b1c8a1231ff754c10bc524fd2f5

  • SSDEEP

    12288:ZgCYxPVQ1KRLLIyDASbumfbKFsdrojwSzunLEjzaQ/K1V+qr:ZgCYQ1LGum4sx8Kofd/uV+w

Score
8/10

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe
    "C:\Users\Admin\AppData\Local\Temp\46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Local\Temp\LXfWcN.exe
      C:\Users\Admin\AppData\Local\Temp\LXfWcN.exe
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4288
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\25ad198f.bat" "
        3⤵
          PID:3992

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\25ad198f.bat

            Filesize

            187B

            MD5

            0cbb52c075ed8c5ee66ece5941f89e5e

            SHA1

            9ec79641a01b6d75825f43b359fb70811d6f60be

            SHA256

            474eaca3a6af7492a53c833c2c96cd9b46b31eb87283756bbf0d8230beaa5c0e

            SHA512

            cb58a885b12cc61c3e11d51053279e16bcbeaf5c001352a40a59286327a54e21263c83584d6f9b64dc4dcca88a8fe0b891e8b166b3c64d2173a029d2a79bbc15

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

            Filesize

            15KB

            MD5

            56b2c3810dba2e939a8bb9fa36d3cf96

            SHA1

            99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

            SHA256

            4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

            SHA512

            27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

            Filesize

            15KB

            MD5

            56b2c3810dba2e939a8bb9fa36d3cf96

            SHA1

            99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

            SHA256

            4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

            SHA512

            27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

          • memory/2176-135-0x0000000000400000-0x0000000000586000-memory.dmp

            Filesize

            1.5MB

          • memory/2176-137-0x0000000000400000-0x0000000000586000-memory.dmp

            Filesize

            1.5MB

          • memory/4288-136-0x0000000000220000-0x0000000000229000-memory.dmp

            Filesize

            36KB

          • memory/4288-138-0x0000000000220000-0x0000000000229000-memory.dmp

            Filesize

            36KB