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Analysis

  • max time kernel
    134s
  • 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
    30/12/2023, 08:37

General

  • Target

    13936f44eb5e61cfd99310ba7ea937d0.exe

  • Size

    7.8MB

  • MD5

    13936f44eb5e61cfd99310ba7ea937d0

  • SHA1

    2ce0a0e7156d059ada4627f16ca9084428bd4b82

  • SHA256

    0b200f51a4a8b6ff2c9feadf57bfc0706a1ce123f1b24c3f9fb42e508ab62494

  • SHA512

    6b63a569afb5d326deb7bf7aba8e008255687e0c778228281e87308634df9fb4a3431dfc694a085369679abbeabc121f67a7ce160c89abf48f0f452a4837c4b8

  • SSDEEP

    196608:zLMfdlirybMgOnkdlirWOU3MSn9BJWcq/dlirybMgOnkdlirwbs5vf49Mdliryb/:M7bMrn3k1nDibbMrnycHfbMrn3k1nDiC

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 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\13936f44eb5e61cfd99310ba7ea937d0.exe
    "C:\Users\Admin\AppData\Local\Temp\13936f44eb5e61cfd99310ba7ea937d0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5988
    • C:\Users\Admin\AppData\Local\Temp\13936f44eb5e61cfd99310ba7ea937d0.exe
      C:\Users\Admin\AppData\Local\Temp\13936f44eb5e61cfd99310ba7ea937d0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\13936f44eb5e61cfd99310ba7ea937d0.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:4760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 604
        3⤵
        • Program crash
        PID:4668
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\GisWJp.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 648
        3⤵
        • Program crash
        PID:5644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 656
        3⤵
        • Program crash
        PID:4824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 704
        3⤵
        • Program crash
        PID:1080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 704
        3⤵
        • Program crash
        PID:2696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 780
        3⤵
        • Program crash
        PID:4484
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1464
        3⤵
        • Program crash
        PID:5244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1920
        3⤵
        • Program crash
        PID:6080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 2148
        3⤵
        • Program crash
        PID:932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 2108
        3⤵
        • Program crash
        PID:2580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1932
        3⤵
        • Program crash
        PID:540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 2136
        3⤵
        • Program crash
        PID:5412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1920
        3⤵
        • Program crash
        PID:5032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 2168
        3⤵
        • Program crash
        PID:1668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 2000
        3⤵
        • Program crash
        PID:1956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1972
        3⤵
        • Program crash
        PID:2208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1932
        3⤵
        • Program crash
        PID:3528
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 620
        3⤵
        • Program crash
        PID:388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1764 -ip 1764
    1⤵
      PID:3228
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN 1WOV8tOcae1c
      1⤵
        PID:4680
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1764 -ip 1764
        1⤵
          PID:3560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1764 -ip 1764
          1⤵
            PID:2388
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1764 -ip 1764
            1⤵
              PID:3040
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1764 -ip 1764
              1⤵
                PID:3096
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1764 -ip 1764
                1⤵
                  PID:5980
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1764 -ip 1764
                  1⤵
                    PID:4224
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1764 -ip 1764
                    1⤵
                      PID:5812
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1764 -ip 1764
                      1⤵
                        PID:5932
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1764 -ip 1764
                        1⤵
                          PID:3788
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1764 -ip 1764
                          1⤵
                            PID:2564
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1764 -ip 1764
                            1⤵
                              PID:4012
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1764 -ip 1764
                              1⤵
                                PID:4808
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 1764 -ip 1764
                                1⤵
                                  PID:1728
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1764 -ip 1764
                                  1⤵
                                    PID:1544
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1764 -ip 1764
                                    1⤵
                                      PID:5036
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1764 -ip 1764
                                      1⤵
                                        PID:4292
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 1764 -ip 1764
                                        1⤵
                                          PID:5644

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/1764-17-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1764-14-0x0000000023FA0000-0x000000002401E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1764-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1764-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1764-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5988-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5988-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5988-5-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/5988-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB