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Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2024, 08:43

General

  • Target

    5acc57a2096d2dfe306207ace4a79e95.exe

  • Size

    501KB

  • MD5

    5acc57a2096d2dfe306207ace4a79e95

  • SHA1

    a003df091c6769001f32398aa30bf54a5b660568

  • SHA256

    81642a02d6e6d284a2b5544e0b103beb1f6502de32fd3c0fda7d566f91bebeed

  • SHA512

    2ef5fb9e76274bd32c8896c426ae1424811ce12fc2f9e3fb942a9a20d75b033df467453c48fccde4a2adc51dc6bd5e9c3a21be07b8f02ee4f2d240e6eef8956d

  • SSDEEP

    12288:UlpInVSxzFOdaKg1nqqErcRULOfljO0K31:1n0olwtEoK

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 17 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\5acc57a2096d2dfe306207ace4a79e95.exe
    "C:\Users\Admin\AppData\Local\Temp\5acc57a2096d2dfe306207ace4a79e95.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\5acc57a2096d2dfe306207ace4a79e95.exe
      C:\Users\Admin\AppData\Local\Temp\5acc57a2096d2dfe306207ace4a79e95.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 652
        3⤵
        • Program crash
        PID:1804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 660
        3⤵
        • Program crash
        PID:4116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 716
        3⤵
        • Program crash
        PID:2544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 740
        3⤵
        • Program crash
        PID:1020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 784
        3⤵
        • Program crash
        PID:3116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 1464
        3⤵
        • Program crash
        PID:4468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 1916
        3⤵
        • Program crash
        PID:5020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 2152
        3⤵
        • Program crash
        PID:2424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 1908
        3⤵
        • Program crash
        PID:1396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 1996
        3⤵
        • Program crash
        PID:4248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 2148
        3⤵
        • Program crash
        PID:3784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 2180
        3⤵
        • Program crash
        PID:1804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 2136
        3⤵
        • Program crash
        PID:2308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 2188
        3⤵
        • Program crash
        PID:876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 2104
        3⤵
        • Program crash
        PID:664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 648
        3⤵
        • Program crash
        PID:1056
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\5acc57a2096d2dfe306207ace4a79e95.exe" /TN 0Su7L8S745c1 /F
    1⤵
    • Creates scheduled task(s)
    PID:4992
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 0Su7L8S745c1
    1⤵
      PID:4876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3964 -ip 3964
      1⤵
        PID:1900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 604
        1⤵
        • Program crash
        PID:1052
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 0Su7L8S745c1 > C:\Users\Admin\AppData\Local\Temp\whTdQDQV6.xml
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1948
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3964 -ip 3964
        1⤵
          PID:1640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3964 -ip 3964
          1⤵
            PID:3908
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3964 -ip 3964
            1⤵
              PID:2260
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3964 -ip 3964
              1⤵
                PID:3164
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3964 -ip 3964
                1⤵
                  PID:3364
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3964 -ip 3964
                  1⤵
                    PID:3080
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3964 -ip 3964
                    1⤵
                      PID:4656
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3964 -ip 3964
                      1⤵
                        PID:2184
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3964 -ip 3964
                        1⤵
                          PID:3652
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3964 -ip 3964
                          1⤵
                            PID:1456
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3964 -ip 3964
                            1⤵
                              PID:4356
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3964 -ip 3964
                              1⤵
                                PID:464
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3964 -ip 3964
                                1⤵
                                  PID:3848
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3964 -ip 3964
                                  1⤵
                                    PID:4576
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3964 -ip 3964
                                    1⤵
                                      PID:4056
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3964 -ip 3964
                                      1⤵
                                        PID:4724

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\5acc57a2096d2dfe306207ace4a79e95.exe

                                        Filesize

                                        501KB

                                        MD5

                                        d0265c54c853182aa0cf92731068b29a

                                        SHA1

                                        6481f7367baf16d95054205dcaebad3d771b966c

                                        SHA256

                                        c6bee020a48221abc9c3567cc2c2c3bfd54d8d4cc2ecba1196d0387230bce209

                                        SHA512

                                        0054113be31f95dec2443c39a5e6bcbc30f6559a35a1aea919be71cfbcfeaf7efb70f44bc5be4d1099a67cdce04ac9e467ed1a5105effff30605e201e53ad6bf

                                      • C:\Users\Admin\AppData\Local\Temp\whTdQDQV6.xml

                                        Filesize

                                        1KB

                                        MD5

                                        2832f8cc5ebfe8438fe723a26ed79489

                                        SHA1

                                        bd6519a3366d7d9112ab6726f5065ce29f01d893

                                        SHA256

                                        a20811499a8b364985f74f7836def7e46bf8ea125147e9e7965ac7090cfb9207

                                        SHA512

                                        207795888b437c96d29670afd4572745b87f98faafe6d3a7af8f80fe33ae8c81d8ff750334604748e5a924e3e7bedc4b493ddf114b8bc8ac82fcd1ff2cba48e8

                                      • memory/1916-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/1916-2-0x0000000025020000-0x000000002509E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/1916-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/1916-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/3964-13-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/3964-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                        Filesize

                                        364KB

                                      • memory/3964-21-0x00000000004B0000-0x000000000051B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/3964-16-0x0000000001710000-0x000000000178E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/3964-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB