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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 20:49

General

  • Target

    1c2eb85e372ea31f32a07bb0929f2928.exe

  • Size

    1003KB

  • MD5

    1c2eb85e372ea31f32a07bb0929f2928

  • SHA1

    bce6b1d56b0c7249f1d1420955460df5946fa103

  • SHA256

    f45626975f069f5f8ca8a56e15904edf39e6ba67cbaa7e965ffb40ed3f667cf0

  • SHA512

    dfed7b0e372ad05a6ac63d2e485da57b183d591732e288acca418929681185130a15d167e9cb68c8db66ac0daa2d913d4f0c7efb0e3082b74671c5b30b0a3548

  • SSDEEP

    24576:qIQFA2HKpcgauoksRj8YQcjukL2CDYibq6/yqLNaF:qIQFA2HKpcgarksRj8TcakLz0ibq6yqh

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\1c2eb85e372ea31f32a07bb0929f2928.exe
    "C:\Users\Admin\AppData\Local\Temp\1c2eb85e372ea31f32a07bb0929f2928.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4184
    • C:\Users\Admin\AppData\Local\Temp\1c2eb85e372ea31f32a07bb0929f2928.exe
      C:\Users\Admin\AppData\Local\Temp\1c2eb85e372ea31f32a07bb0929f2928.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\1c2eb85e372ea31f32a07bb0929f2928.exe" /TN EftJtVnu5bdb /F
        3⤵
        • Creates scheduled task(s)
        PID:1792
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN EftJtVnu5bdb > C:\Users\Admin\AppData\Local\Temp\tWh2U07D.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1964
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN EftJtVnu5bdb
          4⤵
            PID:2496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 608
          3⤵
          • Program crash
          PID:2528
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 632
          3⤵
          • Program crash
          PID:1280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 640
          3⤵
          • Program crash
          PID:3760
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 640
          3⤵
          • Program crash
          PID:4020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 764
          3⤵
          • Program crash
          PID:3980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 820
          3⤵
          • Program crash
          PID:4504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1460
          3⤵
          • Program crash
          PID:4204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1912
          3⤵
          • Program crash
          PID:3836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 2144
          3⤵
          • Program crash
          PID:1964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1924
          3⤵
          • Program crash
          PID:2808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1916
          3⤵
          • Program crash
          PID:4812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 2176
          3⤵
          • Program crash
          PID:4276
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 2160
          3⤵
          • Program crash
          PID:4512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 2208
          3⤵
          • Program crash
          PID:956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1624
          3⤵
          • Program crash
          PID:1072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1908
          3⤵
          • Program crash
          PID:2540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 2196
          3⤵
          • Program crash
          PID:2876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 744
          3⤵
          • Program crash
          PID:1144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1568 -ip 1568
      1⤵
        PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1568 -ip 1568
        1⤵
          PID:1328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1568 -ip 1568
          1⤵
            PID:952
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1568 -ip 1568
            1⤵
              PID:4676
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1568 -ip 1568
              1⤵
                PID:3712
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1568 -ip 1568
                1⤵
                  PID:3564
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1568 -ip 1568
                  1⤵
                    PID:4260
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1568 -ip 1568
                    1⤵
                      PID:3284
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1568 -ip 1568
                      1⤵
                        PID:4844
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1568 -ip 1568
                        1⤵
                          PID:4716
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1568 -ip 1568
                          1⤵
                            PID:4156
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1568 -ip 1568
                            1⤵
                              PID:3976
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1568 -ip 1568
                              1⤵
                                PID:5008
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1568 -ip 1568
                                1⤵
                                  PID:3984
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1568 -ip 1568
                                  1⤵
                                    PID:4792
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1568 -ip 1568
                                    1⤵
                                      PID:3812
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1568 -ip 1568
                                      1⤵
                                        PID:2860
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1568 -ip 1568
                                        1⤵
                                          PID:1992

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\1c2eb85e372ea31f32a07bb0929f2928.exe

                                          Filesize

                                          1003KB

                                          MD5

                                          9ea359cdeda90be5e58ecf3b8e7d5840

                                          SHA1

                                          442bcbdc2ed0619add553780bf4461ffb49f48f3

                                          SHA256

                                          f40e833502f273ef983bc2ea1e8941ab735fbe72ca15ffddfaad92fb98ffd104

                                          SHA512

                                          67b4530ca9d67ca11f8e962b7f6c5fb0bf2edd37bb4a753cb4cfe3f7e2ecf11cfafb6dcf9942f9b67390efafabdae0dd428ccba8c5b14b90c4b4ec371cf589c1

                                        • C:\Users\Admin\AppData\Local\Temp\tWh2U07D.xml

                                          Filesize

                                          1KB

                                          MD5

                                          883d7f203f8049e1e3ed64b64e1585e9

                                          SHA1

                                          1328b4e7f348e3b6014527ba6d39d66b5ed94750

                                          SHA256

                                          ab5d983d8822a58b97d4c13c840cd55aa55bbc3512f6b972e4f745c857c9244f

                                          SHA512

                                          cd0af8a2779b6c3e0f2789f8050925a018f99c09f026e6d5756b1e32f202dd4e085328f1e61edb5edb3cd3e4f972629ff4aade212207cd7bffa7bca1589f1b13

                                        • memory/1568-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1568-16-0x0000000025040000-0x00000000250BE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1568-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1568-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1568-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4184-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4184-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4184-3-0x0000000025020000-0x000000002509E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4184-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB