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Analysis

  • max time kernel
    167s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 08:22

General

  • Target

    NEAS.efc54e3945c5b1d0d7f8c33d78eab2c0.exe

  • Size

    33KB

  • MD5

    efc54e3945c5b1d0d7f8c33d78eab2c0

  • SHA1

    2888811f6f0a877b74759cc9d9aa8bd4a162312e

  • SHA256

    8c5e3b007d068ccb2c9751dc04e8157f36f6d198b1720f090e1a579bac9e483a

  • SHA512

    eec1f690fe27a9edd5e6abe2fb1a426bb78f9682e73c18e585467ffc06fc983972d7e6922326a5015c0f388ac2ef4bbfb822145e7e217f226aa7779a7545d402

  • SSDEEP

    768:j5Gsq/XQGcoGVzUDWbcvZOkglUWJY3ggxfha5:j5GD/XPgQGcvZORS3g+

Score
7/10

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.efc54e3945c5b1d0d7f8c33d78eab2c0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.efc54e3945c5b1d0d7f8c33d78eab2c0.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Windows\SysWOW64\at.exe
      at 1 /delete /yes
      2⤵
        PID:2600
      • C:\Windows\SysWOW64\at.exe
        at 9:23:23 PM "C:\Users\Admin\AppData\Local\Temp\NEAS.efc54e3945c5b1d0d7f8c33d78eab2c0.exe"
        2⤵
          PID:2236

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\7-Zip\Uninstall.exe

        Filesize

        67KB

        MD5

        caa48aad8f6e134146378bca699841e2

        SHA1

        4e32e1d7a80feddca5d887a3d5182064fb61a58b

        SHA256

        81e6cfdbcf1fb3a5d0b7deb0f4a65d3387a160e8f1ba43814b5c972b5137aa40

        SHA512

        81107ff421a8b29b2fb2fd06993a4df197991484d4f7b18929b68e6822c8938024bc06114e32b3b88d19bcbeae4fc45c4a125c7612b9469c087a3ee9c8ab0629

      • memory/2488-8-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-16-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-20-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-26-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-35-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-45-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-55-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-66-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-77-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-88-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-98-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-105-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-116-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2488-127-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB