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Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 20:56

General

  • Target

    708aca132c7877c467db2d294ce70256.exe

  • Size

    501KB

  • MD5

    708aca132c7877c467db2d294ce70256

  • SHA1

    7e271e0d5cfa3e80f9b5c1150a645f4b158fbefc

  • SHA256

    f5823099ba1a388960f02238c01a57adef5252c2dca8a57afa9d3de88f2a3fad

  • SHA512

    4e004fb73913ec59372cc3facf6b60809ed015dfd11a757fb6e2ef766c3abfe0704cb6e960344557b1e1f78e701ca0b86e0fd36c838aead2a7b64635ff9023ae

  • SSDEEP

    12288:WilHyF8D2yB8roWD1PsHEQ7yHO9Q2zFKPCHUSBQFJG:Buw2y1WDtANkPn

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Program crash 18 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\708aca132c7877c467db2d294ce70256.exe
    "C:\Users\Admin\AppData\Local\Temp\708aca132c7877c467db2d294ce70256.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\708aca132c7877c467db2d294ce70256.exe
      C:\Users\Admin\AppData\Local\Temp\708aca132c7877c467db2d294ce70256.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\708aca132c7877c467db2d294ce70256.exe" /TN xWvB9PLxff3d /F
        3⤵
        • Creates scheduled task(s)
        PID:1872
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN xWvB9PLxff3d > C:\Users\Admin\AppData\Local\Temp\N5Vd8ig.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 604
        3⤵
        • Program crash
        PID:4784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 660
        3⤵
        • Program crash
        PID:4488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 660
        3⤵
        • Program crash
        PID:1028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 736
        3⤵
        • Program crash
        PID:636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 660
        3⤵
        • Program crash
        PID:4244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 780
        3⤵
        • Program crash
        PID:4772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1456
        3⤵
        • Program crash
        PID:1640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1908
        3⤵
        • Program crash
        PID:2668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 2132
        3⤵
        • Program crash
        PID:768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1924
        3⤵
        • Program crash
        PID:3892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1912
        3⤵
        • Program crash
        PID:3248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 2148
        3⤵
        • Program crash
        PID:3572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1924
        3⤵
        • Program crash
        PID:2628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1916
        3⤵
        • Program crash
        PID:4704
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1912
        3⤵
        • Program crash
        PID:3752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1916
        3⤵
        • Program crash
        PID:5076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1988
        3⤵
        • Program crash
        PID:5020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 704
        3⤵
        • Program crash
        PID:4892
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN xWvB9PLxff3d
    1⤵
      PID:2164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4504 -ip 4504
      1⤵
        PID:684
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4504 -ip 4504
        1⤵
          PID:1600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4504 -ip 4504
          1⤵
            PID:4148
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4504 -ip 4504
            1⤵
              PID:3984
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4504 -ip 4504
              1⤵
                PID:2956
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4504 -ip 4504
                1⤵
                  PID:2544
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4504 -ip 4504
                  1⤵
                    PID:644
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4504 -ip 4504
                    1⤵
                      PID:3156
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4504 -ip 4504
                      1⤵
                        PID:3440
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4504 -ip 4504
                        1⤵
                          PID:1932
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4504 -ip 4504
                          1⤵
                            PID:1408
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4504 -ip 4504
                            1⤵
                              PID:2540
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4504 -ip 4504
                              1⤵
                                PID:1308
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4504 -ip 4504
                                1⤵
                                  PID:4928
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4504 -ip 4504
                                  1⤵
                                    PID:1512
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4504 -ip 4504
                                    1⤵
                                      PID:3616
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4504 -ip 4504
                                      1⤵
                                        PID:3008
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4504 -ip 4504
                                        1⤵
                                          PID:5096

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\708aca132c7877c467db2d294ce70256.exe

                                          Filesize

                                          239KB

                                          MD5

                                          581652c4f41d6699f8686950aff6692c

                                          SHA1

                                          436dc4b963e7fd3b5680579e590300c7e90079a1

                                          SHA256

                                          d1e18de94d5fd0eb2b2fd9803983908cc7005a3952123d60672a31db30dd8966

                                          SHA512

                                          10d82a055f3120df302e45a29ee808026eaeb3e4fb7a2964a5b96974cd8564b736a1b1e479ac8b7e3841f250e8f34091aad29e39cf0559b09c35936e249c6505

                                        • C:\Users\Admin\AppData\Local\Temp\N5Vd8ig.xml

                                          Filesize

                                          1KB

                                          MD5

                                          f718a99818e7fbe808500623c91532fc

                                          SHA1

                                          5ebed2c4ba55a3d9855b39980ae949a3f0c250e1

                                          SHA256

                                          11a40adde17708683f017c4727b41114e6d22d43701ea0019ea9d2877d921197

                                          SHA512

                                          31e5c5764f23b02223ba91606e302880ce6083a92b43c1c1df8e725953591debdec3b2ed54f2bedd03b593f95bc22b03534caa48130ce266bf514655f295798a

                                        • memory/1700-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1700-2-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1700-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1700-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4504-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4504-16-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4504-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4504-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4504-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB