Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2024 11:16

General

  • Target

    9b87cc47c62f53a7973942c6d46c2c8b.exe

  • Size

    2.0MB

  • MD5

    9b87cc47c62f53a7973942c6d46c2c8b

  • SHA1

    32c21f9093b58d7b440b63df075fe283138c269a

  • SHA256

    fcfb378f38151acc5a11acb99ab6af5f2028559cf25f3c737f76714a0fc3ef04

  • SHA512

    29a27ef04466b35010cb9cc9a74dc2bcc91f2f76c24815dc2e8bea6595dedaf8d866e462ca0484f40f7cdef091e870bd741a7e5fc39e003451f546d8c535febe

  • SSDEEP

    49152:poi42gXohaaj0GQ7ai7D3xTgOxYwpK9QPJex64ynRAIuGQ7ai7D3xTgOxYwpK:poiTgXsaaj0D2i7D3xkOxYwpK9CQx64u

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 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\9b87cc47c62f53a7973942c6d46c2c8b.exe
    "C:\Users\Admin\AppData\Local\Temp\9b87cc47c62f53a7973942c6d46c2c8b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Users\Admin\AppData\Local\Temp\9b87cc47c62f53a7973942c6d46c2c8b.exe
      C:\Users\Admin\AppData\Local\Temp\9b87cc47c62f53a7973942c6d46c2c8b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\9b87cc47c62f53a7973942c6d46c2c8b.exe" /TN 0Su7L8S745c1 /F
        3⤵
        • Creates scheduled task(s)
        PID:3488
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 0Su7L8S745c1 > C:\Users\Admin\AppData\Local\Temp\Or4bMj.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4388
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 0Su7L8S745c1
          4⤵
            PID:4520
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 612
          3⤵
          • Program crash
          PID:3892
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 632
          3⤵
          • Program crash
          PID:3152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 724
          3⤵
          • Program crash
          PID:688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 728
          3⤵
          • Program crash
          PID:2012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 728
          3⤵
          • Program crash
          PID:2676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 780
          3⤵
          • Program crash
          PID:4764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1472
          3⤵
          • Program crash
          PID:4880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1912
          3⤵
          • Program crash
          PID:2284
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 2136
          3⤵
          • Program crash
          PID:2964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1924
          3⤵
          • Program crash
          PID:1632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 2132
          3⤵
          • Program crash
          PID:968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 2168
          3⤵
          • Program crash
          PID:2688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 2096
          3⤵
          • Program crash
          PID:1216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1916
          3⤵
          • Program crash
          PID:1712
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1920
          3⤵
          • Program crash
          PID:1076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 2192
          3⤵
          • Program crash
          PID:980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1988
          3⤵
          • Program crash
          PID:3536
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 720
          3⤵
          • Program crash
          PID:592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 5068 -ip 5068
      1⤵
        PID:548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5068 -ip 5068
        1⤵
          PID:4496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5068 -ip 5068
          1⤵
            PID:3868
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5068 -ip 5068
            1⤵
              PID:3064
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5068 -ip 5068
              1⤵
                PID:4620
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5068 -ip 5068
                1⤵
                  PID:4832
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 5068 -ip 5068
                  1⤵
                    PID:1060
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5068 -ip 5068
                    1⤵
                      PID:2968
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5068 -ip 5068
                      1⤵
                        PID:2720
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5068 -ip 5068
                        1⤵
                          PID:1768
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5068 -ip 5068
                          1⤵
                            PID:2932
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5068 -ip 5068
                            1⤵
                              PID:2132
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5068 -ip 5068
                              1⤵
                                PID:2388
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 5068 -ip 5068
                                1⤵
                                  PID:4444
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 5068 -ip 5068
                                  1⤵
                                    PID:1056
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 5068 -ip 5068
                                    1⤵
                                      PID:4940
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 5068 -ip 5068
                                      1⤵
                                        PID:3564
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 5068 -ip 5068
                                        1⤵
                                          PID:3972

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\9b87cc47c62f53a7973942c6d46c2c8b.exe

                                          Filesize

                                          2.0MB

                                          MD5

                                          7d4fe3c931c52cd493df1d37ed2db4b5

                                          SHA1

                                          dc4b807217ba5711e3f4441ba4fb2b7adff1519d

                                          SHA256

                                          d6efdc8cedad7e256068ac0c85e707907bdad872217d0a38ba518d15448b8bfa

                                          SHA512

                                          19fa43dada37de42113b9b7b149341e2f7d04d80edc4a975caaf04b0f617a9084813139a57f618f7a6efdbbacf4a79fdc0c687e63e02675929a615046c13c66e

                                        • C:\Users\Admin\AppData\Local\Temp\Or4bMj.xml

                                          Filesize

                                          1KB

                                          MD5

                                          132bc175a471ec6d63b6789650ae7629

                                          SHA1

                                          204e29dcff7cb5281e1dcbbd475cf6d43c9163c6

                                          SHA256

                                          e320ae49be6bc976c4368806a606b20c5d6144413957733e0324e3af27e692c7

                                          SHA512

                                          78c44d2e0a7603e77eebe7cf8016486447040dcb0583d3fbf9f2a4d1410b05864ee47b23bf7134ed7f9ed3fbb8a3c0a510f5c140fd9e5966502e3639c75deff7

                                        • memory/4948-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4948-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4948-4-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4948-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5068-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5068-17-0x0000000024010000-0x000000002408E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/5068-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/5068-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5068-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB