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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 16:25

General

  • Target

    eeae1bf5ed030abcd16e5c92cbd66aba.exe

  • Size

    765KB

  • MD5

    eeae1bf5ed030abcd16e5c92cbd66aba

  • SHA1

    9fdfcf526e5466b2d464ff11e085a888f311d96a

  • SHA256

    31bb8750667fe101d92a74575df2b60682916ff0f34979bb74ae29acfc48d1b8

  • SHA512

    71078a2b2016c67fe8cd821c576192cb6a2fc7d4919ed7b04f462b326776a2fde918f55e49e97763c8390eb87eaed8738fa7d1e3367f5fec4b72f5ef9a71f719

  • SSDEEP

    12288:aueSM8fOKFt77mttqj8a1k11CsnCGBYwJMImSrKeaUo4flO9dJ5IECpxOokLZsY:lvI/q6ZnCqhcjukL2Y

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\eeae1bf5ed030abcd16e5c92cbd66aba.exe
    "C:\Users\Admin\AppData\Local\Temp\eeae1bf5ed030abcd16e5c92cbd66aba.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\eeae1bf5ed030abcd16e5c92cbd66aba.exe
      C:\Users\Admin\AppData\Local\Temp\eeae1bf5ed030abcd16e5c92cbd66aba.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:848
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\eeae1bf5ed030abcd16e5c92cbd66aba.exe" /TN BLiB1zkTf55f /F
        3⤵
        • Creates scheduled task(s)
        PID:4440
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN BLiB1zkTf55f > C:\Users\Admin\AppData\Local\Temp\EdcAn.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4724
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN BLiB1zkTf55f
          4⤵
            PID:3100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 604
          3⤵
          • Program crash
          PID:4132
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 632
          3⤵
          • Program crash
          PID:4120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 724
          3⤵
          • Program crash
          PID:1548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 740
          3⤵
          • Program crash
          PID:3156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 728
          3⤵
          • Program crash
          PID:1360
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 780
          3⤵
          • Program crash
          PID:5032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 1472
          3⤵
          • Program crash
          PID:1488
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 1920
          3⤵
          • Program crash
          PID:2176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 2144
          3⤵
          • Program crash
          PID:3904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 1912
          3⤵
          • Program crash
          PID:3028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 1956
          3⤵
          • Program crash
          PID:2580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 2108
          3⤵
          • Program crash
          PID:4652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 1920
          3⤵
          • Program crash
          PID:676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 2104
          3⤵
          • Program crash
          PID:4424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 1968
          3⤵
          • Program crash
          PID:4544
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 2168
          3⤵
          • Program crash
          PID:2412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 1916
          3⤵
          • Program crash
          PID:912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 720
          3⤵
          • Program crash
          PID:2712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 848 -ip 848
      1⤵
        PID:3624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 848 -ip 848
        1⤵
          PID:4424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 848 -ip 848
          1⤵
            PID:4592
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 848 -ip 848
            1⤵
              PID:1012
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 848 -ip 848
              1⤵
                PID:972
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 848 -ip 848
                1⤵
                  PID:5104
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 848 -ip 848
                  1⤵
                    PID:4436
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 848 -ip 848
                    1⤵
                      PID:4736
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 848 -ip 848
                      1⤵
                        PID:2152
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 848 -ip 848
                        1⤵
                          PID:436
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 848 -ip 848
                          1⤵
                            PID:4440
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 848 -ip 848
                            1⤵
                              PID:1860
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 848 -ip 848
                              1⤵
                                PID:4468
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 848 -ip 848
                                1⤵
                                  PID:5056
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 848 -ip 848
                                  1⤵
                                    PID:2460
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 848 -ip 848
                                    1⤵
                                      PID:4208
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 636 -p 848 -ip 848
                                      1⤵
                                        PID:3156
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 848 -ip 848
                                        1⤵
                                          PID:756

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

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

                                          Filesize

                                          1KB

                                          MD5

                                          dcd2af845b7e69a300a106740a996cb0

                                          SHA1

                                          47160ce08cfc0c33b398991da94f75c1836bb326

                                          SHA256

                                          fdaa7684e7497d0358358d5aa98f9ff9db542429cf2bdb416c5a74031c0869f7

                                          SHA512

                                          aeaff8bc1902f9da0d936b9dfbcf11c1e2b331e87c985866da9f9860ebba7d1a2ce1daf62600d23bf6927a5037c8f5e4ef93ce9934966a08f175c7f28dac183b

                                        • C:\Users\Admin\AppData\Local\Temp\eeae1bf5ed030abcd16e5c92cbd66aba.exe

                                          Filesize

                                          765KB

                                          MD5

                                          5f673518aff7e6975289d563d7a57b4e

                                          SHA1

                                          53ed998f62471d13095644e881bbde6a5f046eac

                                          SHA256

                                          bd7715e7604213759020270601408f3f4997b98dee866a05dc8b6a85bdb67406

                                          SHA512

                                          cb0a0de3251133d24a2b697ade947d9fcc6bb2b7990a81790757765a38ddc2b7cb8c85ed4e6b7f3d6fd053ba35274e785ea43d5df70e791afe3599ef357a087e

                                        • memory/848-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/848-16-0x00000000018C0000-0x000000000193E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/848-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/848-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/848-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2344-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2344-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2344-4-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2344-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB