Analysis

  • max time kernel
    138s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 09:00

General

  • Target

    183bdf48a8a9d53bfc8b311739377670_NEAS.exe

  • Size

    591KB

  • MD5

    183bdf48a8a9d53bfc8b311739377670

  • SHA1

    62c40790873bf0833613136eb54949b5c0d62458

  • SHA256

    6f11a9a21940da807d5680298539503bf1829ec96dda1355ffb719b2f631bcde

  • SHA512

    e2212c3d27cf2704678db65923c13e81501bbcafe83388ba67f57eb124551aa82709ca9b9565cc4842aefa184aff58fd11255d506e8085e89233a7d551821fdc

  • SSDEEP

    12288:VGbZFT9o+WkcS9SQcCyfi0npM4dl0v5Jdm5IpXt1Up0:UT97jD9QCyfiEM4dmv5BJtOp0

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 384
      2⤵
      • Program crash
      PID:4880
    • C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe
      C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 352
        3⤵
        • Program crash
        PID:3120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 772
        3⤵
        • Program crash
        PID:4048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 776
        3⤵
        • Program crash
        PID:664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 796
        3⤵
        • Program crash
        PID:3032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 780
        3⤵
        • Program crash
        PID:4368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2116 -ip 2116
    1⤵
      PID:2948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4116 -ip 4116
      1⤵
        PID:1816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4116 -ip 4116
        1⤵
          PID:1380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4116 -ip 4116
          1⤵
            PID:2756
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4116 -ip 4116
            1⤵
              PID:1532
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4116 -ip 4116
              1⤵
                PID:3780

              Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe

                Filesize

                591KB

                MD5

                1567b5eb96779b25a2f80f21981241c0

                SHA1

                0969ebe6b0047607f2bc8779e14914f8145d2ef7

                SHA256

                0e8220d7a1d9b6c0bed09dc3986d1da994a75c2949fe06fc7ae412b28be33055

                SHA512

                ca4ab6b6e67b708960ca412d12ab2c28a8be2d98d66414d432cc279c2735f2b54730b1a0ec76a2aa08b91d05f912a328988a82735abebef5629be092b26f6eb9

              • memory/2116-0-0x0000000000400000-0x000000000043F000-memory.dmp

                Filesize

                252KB

              • memory/2116-6-0x0000000000400000-0x000000000043F000-memory.dmp

                Filesize

                252KB

              • memory/4116-7-0x0000000000400000-0x000000000043F000-memory.dmp

                Filesize

                252KB

              • memory/4116-8-0x0000000000400000-0x0000000000415000-memory.dmp

                Filesize

                84KB

              • memory/4116-13-0x00007FFDA25B0000-0x00007FFDA27A5000-memory.dmp

                Filesize

                2.0MB

              • memory/4116-14-0x0000000000400000-0x000000000043F000-memory.dmp

                Filesize

                252KB