Analysis

  • max time kernel
    163s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/11/2023, 11:08

General

  • Target

    NEAS.bf46b844675586ebfc094e98afaabbc0.exe

  • Size

    960KB

  • MD5

    bf46b844675586ebfc094e98afaabbc0

  • SHA1

    33f3aa5827ba4d9d0ce1c0a73c0a100427ba841b

  • SHA256

    16a8ec8cf5d5fd419d7c546687676e8b77ccfc0b62e8fca7d1333a7c84ca85ad

  • SHA512

    c7873603c396ef301b2b48a24cb6942098100b7e44f48c5514af8620d5c708ab76f34f1d282d399306b1faa13801533aa6388b25d2b31f7d44fe3fbb70e877d5

  • SSDEEP

    24576:ji3xuNOmbMdgU6K7lnIPkDJIAwa/ZSTeF+77LX:AxuNOmb+vIAwgqeF+bX

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Program crash 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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.bf46b844675586ebfc094e98afaabbc0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.bf46b844675586ebfc094e98afaabbc0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 344
      2⤵
      • Program crash
      PID:1692
    • C:\Users\Admin\AppData\Local\Temp\NEAS.bf46b844675586ebfc094e98afaabbc0.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.bf46b844675586ebfc094e98afaabbc0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:2180
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 352
        3⤵
        • Program crash
        PID:4056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 628
        3⤵
        • Program crash
        PID:1464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 680
        3⤵
        • Program crash
        PID:4368
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 636
        3⤵
        • Program crash
        PID:4004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 720
        3⤵
        • Program crash
        PID:4568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 900
        3⤵
        • Program crash
        PID:4840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 1416
        3⤵
        • Program crash
        PID:4336
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 1476
        3⤵
        • Program crash
        PID:1252
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 1492
        3⤵
        • Program crash
        PID:220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 1480
        3⤵
        • Program crash
        PID:3380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 1564
        3⤵
        • Program crash
        PID:1960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 1124
        3⤵
        • Program crash
        PID:4976
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4316 -ip 4316
    1⤵
      PID:1632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2180 -ip 2180
      1⤵
        PID:3376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2180 -ip 2180
        1⤵
          PID:3240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2180 -ip 2180
          1⤵
            PID:3744
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2180 -ip 2180
            1⤵
              PID:1972
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2180 -ip 2180
              1⤵
                PID:3628
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2180 -ip 2180
                1⤵
                  PID:876
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2180 -ip 2180
                  1⤵
                    PID:4888
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2180 -ip 2180
                    1⤵
                      PID:1504
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2180 -ip 2180
                      1⤵
                        PID:4816
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2180 -ip 2180
                        1⤵
                          PID:1964
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2180 -ip 2180
                          1⤵
                            PID:4844
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2180 -ip 2180
                            1⤵
                              PID:1348

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\NEAS.bf46b844675586ebfc094e98afaabbc0.exe

                                    Filesize

                                    960KB

                                    MD5

                                    c12364341db4480ef97a1b1b7e977ffc

                                    SHA1

                                    a5049ec18db33078d0cc7a4b51f6b4102131087c

                                    SHA256

                                    922482106d4d998587ddf8cb9153e0684c4bc31b8aa43f8769fdfa329e38ba6e

                                    SHA512

                                    caf443e1b974b6b5491bd575989aa6b63df7cbc8fd98b64edccae6af0af6a4f2601e058e78eebcbeab0b6a3e5d7efc6df36f861354e435a5cc770a12d2744cef

                                  • memory/2180-7-0x0000000000400000-0x00000000004F0000-memory.dmp

                                    Filesize

                                    960KB

                                  • memory/2180-9-0x0000000005000000-0x00000000050F0000-memory.dmp

                                    Filesize

                                    960KB

                                  • memory/2180-8-0x0000000000400000-0x00000000004A3000-memory.dmp

                                    Filesize

                                    652KB

                                  • memory/2180-20-0x000000000B9C0000-0x000000000BA63000-memory.dmp

                                    Filesize

                                    652KB

                                  • memory/2180-18-0x0000000000400000-0x0000000000443000-memory.dmp

                                    Filesize

                                    268KB

                                  • memory/4316-0-0x0000000000400000-0x00000000004F0000-memory.dmp

                                    Filesize

                                    960KB

                                  • memory/4316-6-0x0000000000400000-0x00000000004F0000-memory.dmp

                                    Filesize

                                    960KB