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Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 16:42

General

  • Target

    NEAS.41a7f01f6a2aa59eacafa70d9f8413e0.exe

  • Size

    896KB

  • MD5

    41a7f01f6a2aa59eacafa70d9f8413e0

  • SHA1

    34379ee306479cfecd43e88b06f1ec80c81c53d0

  • SHA256

    649c1149abc18d368ecbfbd6686d0835b5ee40a1fc81b7fac180426687a6d49b

  • SHA512

    11ac5cfd1aa6becbd57915db40c14d9d880275b1004ee4b8354aebfcab51eb21bd08ac7ca932cd15653fe992b7e17d1222d21dde2090ff740a7272d878d0651e

  • SSDEEP

    12288:Xy7G7Sok++skWlVijs/92v8j7MjlDa/ZSP:XyK7Fk0Vig/9a8j7Ca/ZSP

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 3 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\NEAS.41a7f01f6a2aa59eacafa70d9f8413e0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.41a7f01f6a2aa59eacafa70d9f8413e0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 348
      2⤵
      • Program crash
      PID:1212
    • C:\Users\Admin\AppData\Local\Temp\NEAS.41a7f01f6a2aa59eacafa70d9f8413e0.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.41a7f01f6a2aa59eacafa70d9f8413e0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 344
        3⤵
        • Program crash
        PID:116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 348
        3⤵
        • Program crash
        PID:1128
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3076 -ip 3076
    1⤵
      PID:1020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4640 -ip 4640
      1⤵
        PID:4692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4640 -ip 4640
        1⤵
          PID:4500

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\NEAS.41a7f01f6a2aa59eacafa70d9f8413e0.exe

          Filesize

          896KB

          MD5

          08eadaba9e3a4f447465f40ef85f5710

          SHA1

          cbdf951a3eafbab54b7436de40ba2d41edfae2e1

          SHA256

          efc49674b16ad490a57fb2d320a6d3e5fe8db946040c691fe2c69fc484840b7d

          SHA512

          6e8ea92edfbdf6f3189cebe5b9bc1b2ea7e4bb54331b0eda589ec1b630ef52d1a37189277fec278bff34e1646f8bb9edbab928bf9d1135df6d476f314ce60215

        • memory/3076-0-0x0000000000400000-0x00000000004ED000-memory.dmp

          Filesize

          948KB

        • memory/3076-6-0x0000000000400000-0x00000000004ED000-memory.dmp

          Filesize

          948KB

        • memory/4640-7-0x0000000000400000-0x00000000004ED000-memory.dmp

          Filesize

          948KB

        • memory/4640-8-0x0000000004FA0000-0x000000000508D000-memory.dmp

          Filesize

          948KB

        • memory/4640-9-0x0000000000400000-0x00000000004A3000-memory.dmp

          Filesize

          652KB