Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-03-2024 17:35

General

  • Target

    bc66e7ac271da56f5d29fe3d9ec1ad97.exe

  • Size

    2.0MB

  • MD5

    bc66e7ac271da56f5d29fe3d9ec1ad97

  • SHA1

    df004e2289f7eb27f676f0802fa52fcdcd5b20b5

  • SHA256

    2a52e692929309daf40f73d379b232c9daa085a509572e54da7cacd8d92a711c

  • SHA512

    c27bb37beb7937e52333a22ae1500a82a551acb710805b95f47a42e55f3dbf87a76dc59fc934703879fe0f6fd43a2ba25fac4154b0bb8a9abec99af25f40f1bd

  • SSDEEP

    49152:1SjXzEimXdTEpAnK0vJTGQ7ai7D3xTgOxYwpKniRWDe5RsUKX2h3GQ7ai7D3xTgp:YjXztmXdTEpAnVvJTD2i7D3xkOxYwpKH

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 1 IoCs
  • Program crash 20 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\bc66e7ac271da56f5d29fe3d9ec1ad97.exe
    "C:\Users\Admin\AppData\Local\Temp\bc66e7ac271da56f5d29fe3d9ec1ad97.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Users\Admin\AppData\Local\Temp\bc66e7ac271da56f5d29fe3d9ec1ad97.exe
      C:\Users\Admin\AppData\Local\Temp\bc66e7ac271da56f5d29fe3d9ec1ad97.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4116
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bc66e7ac271da56f5d29fe3d9ec1ad97.exe" /TN EvIYV7rY9c10 /F
        3⤵
        • Creates scheduled task(s)
        PID:4004
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN EvIYV7rY9c10 > C:\Users\Admin\AppData\Local\Temp\NGnKV.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4796
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN EvIYV7rY9c10
          4⤵
            PID:312
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 616
          3⤵
          • Program crash
          PID:1476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 608
          3⤵
          • Program crash
          PID:1588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 736
          3⤵
          • Program crash
          PID:3728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 740
          3⤵
          • Program crash
          PID:4844
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 772
          3⤵
          • Program crash
          PID:5040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 832
          3⤵
          • Program crash
          PID:1156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1284
          3⤵
          • Program crash
          PID:1452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1904
          3⤵
          • Program crash
          PID:1512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 2128
          3⤵
          • Program crash
          PID:4264
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1916
          3⤵
          • Program crash
          PID:5076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1944
          3⤵
          • Program crash
          PID:3660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1904
          3⤵
          • Program crash
          PID:2928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1980
          3⤵
          • Program crash
          PID:3636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 2160
          3⤵
          • Program crash
          PID:1756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1952
          3⤵
          • Program crash
          PID:1316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 1908
          3⤵
          • Program crash
          PID:3320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 2208
          3⤵
          • Program crash
          PID:4388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 2216
          3⤵
          • Program crash
          PID:4640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 2212
          3⤵
          • Program crash
          PID:2572
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 640
          3⤵
          • Program crash
          PID:3436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4116 -ip 4116
      1⤵
        PID:872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4116 -ip 4116
        1⤵
          PID:3196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4116 -ip 4116
          1⤵
            PID:1436
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4116 -ip 4116
            1⤵
              PID:4872
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4116 -ip 4116
              1⤵
                PID:5080
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4116 -ip 4116
                1⤵
                  PID:4532
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4116 -ip 4116
                  1⤵
                    PID:1264
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4116 -ip 4116
                    1⤵
                      PID:3792
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4116 -ip 4116
                      1⤵
                        PID:4852
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4116 -ip 4116
                        1⤵
                          PID:3540
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 4116 -ip 4116
                          1⤵
                            PID:4452
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 4116 -ip 4116
                            1⤵
                              PID:4868
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4116 -ip 4116
                              1⤵
                                PID:3984
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 4116 -ip 4116
                                1⤵
                                  PID:1460
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4116 -ip 4116
                                  1⤵
                                    PID:4120
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 668 -p 4116 -ip 4116
                                    1⤵
                                      PID:1656
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 4116 -ip 4116
                                      1⤵
                                        PID:4528
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 648 -p 4116 -ip 4116
                                        1⤵
                                          PID:2456
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 668 -p 4116 -ip 4116
                                          1⤵
                                            PID:3376
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 660 -p 4116 -ip 4116
                                            1⤵
                                              PID:3792

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

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

                                              Filesize

                                              1KB

                                              MD5

                                              45e9629f9ffb4bf718fa00b9f3c17c17

                                              SHA1

                                              6500db9fc894793caa2f8159c465d102c6f54b9b

                                              SHA256

                                              b353f79d640797206eab55630d135f99e6b3f60a0e464a765864d5a5d1356bbf

                                              SHA512

                                              a91f57624b3e6e4a4329276ecc1b967a64c620218a06d1ce413b35df60d07e77f740255eec823864252e62cf6b2340154643edf1c9cefadadb025d42990333a7

                                            • C:\Users\Admin\AppData\Local\Temp\bc66e7ac271da56f5d29fe3d9ec1ad97.exe

                                              Filesize

                                              2.0MB

                                              MD5

                                              ce3613f2328a077dcc384c121a7234e7

                                              SHA1

                                              6ebd3bec2df4a5e0a04391b3b3f00c124d211429

                                              SHA256

                                              5546223288d4f84b3d49fd63ac2bff8cb38bb363516345d9a5361d8e2116cc61

                                              SHA512

                                              ab3f7e92e6cef0859c50e897076010659c72e109880bb9085193d7bcef9748642911de242d6c7b227bb3c5276a6f6a7f0e32e4da3180b97a3ce3e9257a90a882

                                            • memory/912-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/912-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/912-4-0x0000000025050000-0x00000000250CE000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/912-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4116-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/4116-19-0x0000000001730000-0x00000000017AE000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/4116-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4116-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/4116-43-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB