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Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

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

General

  • Target

    NEAS.05b3cdfb789e77d3d4856dfc07d2a830_JC.exe

  • Size

    33KB

  • MD5

    05b3cdfb789e77d3d4856dfc07d2a830

  • SHA1

    2eb8d440f086d5c8cccae2857137317d3d8aba44

  • SHA256

    3e55f577157d2fc27135789e2d0410c42ba4c4a5fbafdb58b6848ababc02e684

  • SHA512

    9a0ba967d04c799c594eb2dd797c13b4c35813161f0b95abe8c9199a26b1e0c86d55c9986d0b0855917567fbb1b593c1cf32b104912b8960a8e5fab8b0f304e7

  • SSDEEP

    768:r5Gsq/XQGcoGVzUDWbcvZOkglUWJY3ggxfha5:r5GD/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.05b3cdfb789e77d3d4856dfc07d2a830_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.05b3cdfb789e77d3d4856dfc07d2a830_JC.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Windows\SysWOW64\at.exe
      at 1 /delete /yes
      2⤵
        PID:2404
      • C:\Windows\SysWOW64\at.exe
        at 10:51:12 PM "C:\Users\Admin\AppData\Local\Temp\NEAS.05b3cdfb789e77d3d4856dfc07d2a830_JC.exe"
        2⤵
          PID:1792

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE

        Filesize

        151KB

        MD5

        e7dc3153b95fc3afeb74ff63943236f5

        SHA1

        856bd30f5b2185ec9958feed4fc8ef694c6050ab

        SHA256

        e281d0046b927bebc46ef07f7bd35fb46f5bc17b2f8c00f44bdcfc8677e12c94

        SHA512

        0265d0a4ee5f541252f0afe08f3e4c5e1eb95a1bffdfe2379032d5ed782eb5d944c830fcc283ec20acac91efa798bf51649d21b449b5899965114c959c1a570f

      • memory/1888-43-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-15-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-17-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-23-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-33-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-8-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-48-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-55-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-66-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-77-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-87-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-98-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-108-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1888-115-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB