Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 02:35

General

  • Target

    53b5a74b02810a3b67ef9c0adbc149c0.exe

  • Size

    3.0MB

  • MD5

    53b5a74b02810a3b67ef9c0adbc149c0

  • SHA1

    a5befd17fe3052fedc459540832ef023faf747ba

  • SHA256

    dce251b48afb324c838559e57c81936b048f26444ca7196301b15c7c0ed4b1f5

  • SHA512

    326c7363896410ab7f171adef7eea86c0c6d22d915487b21693457d2b8399864e8f9ff693dc1005d4e2d7d0e955b8130a40d0bc8ec74850d14de2f3f8504fc99

  • SSDEEP

    49152:JiQAou9VAEXfmdTGcakLs0+QMZuwUUcakLEfBrQWb+xAm8v/QcakLs0+QMZuwUUy:JXAN9VAEfwTGcakw0+QMZLUUcakYfpQM

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\53b5a74b02810a3b67ef9c0adbc149c0.exe
    "C:\Users\Admin\AppData\Local\Temp\53b5a74b02810a3b67ef9c0adbc149c0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\53b5a74b02810a3b67ef9c0adbc149c0.exe
      C:\Users\Admin\AppData\Local\Temp\53b5a74b02810a3b67ef9c0adbc149c0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 656
        3⤵
        • Program crash
        PID:2172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 736
        3⤵
        • Program crash
        PID:2036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 736
        3⤵
        • Program crash
        PID:4180
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 652
        3⤵
        • Program crash
        PID:4292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1472
        3⤵
        • Program crash
        PID:2900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1912
        3⤵
        • Program crash
        PID:1292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 2144
        3⤵
        • Program crash
        PID:4732
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1928
        3⤵
        • Program crash
        PID:1456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1980
        3⤵
        • Program crash
        PID:5060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 2140
        3⤵
        • Program crash
        PID:984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1912
        3⤵
        • Program crash
        PID:4284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 2188
        3⤵
        • Program crash
        PID:4432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1984
        3⤵
        • Program crash
        PID:232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1912
        3⤵
        • Program crash
        PID:4308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 1972
        3⤵
        • Program crash
        PID:2172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 628
        3⤵
        • Program crash
        PID:4808
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2872 -ip 2872
    1⤵
      PID:3544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 616
      1⤵
      • Program crash
      PID:1604
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN 1WOV8tOcae1c
      1⤵
        PID:2496
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\jRD68b.xml
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:3004
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\53b5a74b02810a3b67ef9c0adbc149c0.exe" /TN 1WOV8tOcae1c /F
        1⤵
        • Creates scheduled task(s)
        PID:1828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2872 -ip 2872
        1⤵
          PID:4136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 648
          1⤵
          • Program crash
          PID:3124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2872 -ip 2872
          1⤵
            PID:2224
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2872 -ip 2872
            1⤵
              PID:3708
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2872 -ip 2872
              1⤵
                PID:2716
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2872 -ip 2872
                1⤵
                  PID:1020
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2872 -ip 2872
                  1⤵
                    PID:464
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2872 -ip 2872
                    1⤵
                      PID:3084
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2872 -ip 2872
                      1⤵
                        PID:3672
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2872 -ip 2872
                        1⤵
                          PID:4300
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2872 -ip 2872
                          1⤵
                            PID:5040
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2872 -ip 2872
                            1⤵
                              PID:2052
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2872 -ip 2872
                              1⤵
                                PID:3988
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2872 -ip 2872
                                1⤵
                                  PID:4816
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2872 -ip 2872
                                  1⤵
                                    PID:776
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 2872 -ip 2872
                                    1⤵
                                      PID:876
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2872 -ip 2872
                                      1⤵
                                        PID:1824
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2872 -ip 2872
                                        1⤵
                                          PID:544

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\53b5a74b02810a3b67ef9c0adbc149c0.exe

                                          Filesize

                                          123KB

                                          MD5

                                          f5ea2317a1fbac826bc32339b809b0cf

                                          SHA1

                                          603c40c48733a0197932de222afc52767a9798a4

                                          SHA256

                                          b0b1fa0c2d88cdd0bb7a4953d32391bb1606ba8591c94a72ffef8136950cee9d

                                          SHA512

                                          03b297ed0c7a3ee8c1687afc02a7ed660f3c91cb7977fb1db2c5e800ffe55a4375630a95915e38db0ce24d41561fef79cfa3c601bc44f72a45aca4e931ef3c08

                                        • C:\Users\Admin\AppData\Local\Temp\jRD68b.xml

                                          Filesize

                                          1KB

                                          MD5

                                          d099d87ebbf773082e35fbc74f93a82f

                                          SHA1

                                          ee0d7c2d9a6da899d1ec8c100db2da747e59ca19

                                          SHA256

                                          f0b0360f70201ebcbab7fcfb377398a200d98733c65e08c147efe624ee1964e1

                                          SHA512

                                          f09ade236392c3d0c6c3e0f582e8791e915deddc60862c006416c51eb2ea61b271ea3eed56595ef2a594265752bd82303f14bb1bb0dd71fb845ef91c7e3efe2e

                                        • memory/1632-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1632-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1632-3-0x0000000025050000-0x00000000250CE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1632-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2872-15-0x00000000016E0000-0x000000000175E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2872-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2872-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2872-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2872-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB