Analysis

  • max time kernel
    152s
  • max time network
    167s
  • 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, 16:15

General

  • Target

    ec3d0eb06c3de5f7871b2400f0a24f7f.exe

  • Size

    2.0MB

  • MD5

    ec3d0eb06c3de5f7871b2400f0a24f7f

  • SHA1

    fa2f6fe6869bf1dc21f9f894c8b307431fe04121

  • SHA256

    bbd06af14181b6593fd1b1d4dbf2178d7a74356874576bd14ae20784fd1659cc

  • SHA512

    536d0fdcab178817fe980197b9e589176a9562068424a712a25606ec823725690dba7dd14c02cffaa8291b6aaf35c4a6e1b233127f2555348fd3aaf4eec9ac6f

  • SSDEEP

    49152:6i91sAyaDwFpDiJcakLz0ibq6yqhNBWcISscakLz0ibq6yqh:591sALwFpDiJcakcibiqhNscISscakcO

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\ec3d0eb06c3de5f7871b2400f0a24f7f.exe
    "C:\Users\Admin\AppData\Local\Temp\ec3d0eb06c3de5f7871b2400f0a24f7f.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\ec3d0eb06c3de5f7871b2400f0a24f7f.exe
      C:\Users\Admin\AppData\Local\Temp\ec3d0eb06c3de5f7871b2400f0a24f7f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ec3d0eb06c3de5f7871b2400f0a24f7f.exe" /TN xWvB9PLxff3d /F
        3⤵
        • Creates scheduled task(s)
        PID:3264
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN xWvB9PLxff3d > C:\Users\Admin\AppData\Local\Temp\ybDAAK.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 616
        3⤵
        • Program crash
        PID:3376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 632
        3⤵
        • Program crash
        PID:868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 724
        3⤵
        • Program crash
        PID:5016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 716
        3⤵
        • Program crash
        PID:3684
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 736
        3⤵
        • Program crash
        PID:3432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 748
        3⤵
        • Program crash
        PID:3360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1460
        3⤵
        • Program crash
        PID:4068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1912
        3⤵
        • Program crash
        PID:4004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 2144
        3⤵
        • Program crash
        PID:3496
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1904
        3⤵
        • Program crash
        PID:3140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1984
        3⤵
        • Program crash
        PID:4620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1940
        3⤵
        • Program crash
        PID:2760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1964
        3⤵
        • Program crash
        PID:2372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1976
        3⤵
        • Program crash
        PID:3580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1916
        3⤵
        • Program crash
        PID:3368
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 2140
        3⤵
        • Program crash
        PID:2684
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1980
        3⤵
        • Program crash
        PID:4432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 720
        3⤵
        • Program crash
        PID:1388
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN xWvB9PLxff3d
    1⤵
      PID:2728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1204 -ip 1204
      1⤵
        PID:3368
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1204 -ip 1204
        1⤵
          PID:2112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1204 -ip 1204
          1⤵
            PID:5116
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1204 -ip 1204
            1⤵
              PID:3752
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1204 -ip 1204
              1⤵
                PID:1740
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1204 -ip 1204
                1⤵
                  PID:5024
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1204 -ip 1204
                  1⤵
                    PID:1592
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1204 -ip 1204
                    1⤵
                      PID:3448
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1204 -ip 1204
                      1⤵
                        PID:4820
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1204 -ip 1204
                        1⤵
                          PID:2848
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1204 -ip 1204
                          1⤵
                            PID:732
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1204 -ip 1204
                            1⤵
                              PID:1664
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1204 -ip 1204
                              1⤵
                                PID:5048
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1204 -ip 1204
                                1⤵
                                  PID:2156
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1204 -ip 1204
                                  1⤵
                                    PID:4256
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1204 -ip 1204
                                    1⤵
                                      PID:3892
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1204 -ip 1204
                                      1⤵
                                        PID:4784
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1204 -ip 1204
                                        1⤵
                                          PID:1892

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\ec3d0eb06c3de5f7871b2400f0a24f7f.exe

                                          Filesize

                                          32KB

                                          MD5

                                          27833eac49453bde4e11f7dc9cc45793

                                          SHA1

                                          66f9a2632f0626648aef4a7e778628e01a94acbc

                                          SHA256

                                          955a7af5d37c7460c0dbe6c069fa2f1e2ba9d546a3f21e1a5048aff0704e0e13

                                          SHA512

                                          c456fec98fada27180ebfc109efdbce221aee084d2f8ad250739fe54fcc7e0fcdbea29b010cd754d50582b261dc7f0acaeeb60d44199172cac88dc77b679222e

                                        • memory/1204-15-0x00000000016F0000-0x000000000176E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1204-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1204-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1204-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1204-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2400-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2400-3-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2400-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2400-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB