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Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2024, 06:22

General

  • Target

    a129e21ce67786334e045dd24a2afb03.exe

  • Size

    2.0MB

  • MD5

    a129e21ce67786334e045dd24a2afb03

  • SHA1

    d6fd23fda0f4251c27669523200201fd3de4b821

  • SHA256

    6ad311a059e66b4a8e50cdf0e729fbc31a9313e2b40ec6780c675fb9508e7ba8

  • SHA512

    67a3857987c831a5b806a595556372b6077dfce3eb64824f8ff0bfe8bcf1c2299d8ca54dd7a2c19030443d415c28fcb509167e9d8b648ae184856ceaa65a1da4

  • SSDEEP

    49152:wGRjB5xVZzEGo5aGQ7ai7D3xTgOxYwpKhC4KkH9GQ7ai7D3xTgOxYwpK:JB5xVZwLaD2i7D3xkOxYwpKE4KkdD2iI

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\a129e21ce67786334e045dd24a2afb03.exe
    "C:\Users\Admin\AppData\Local\Temp\a129e21ce67786334e045dd24a2afb03.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Users\Admin\AppData\Local\Temp\a129e21ce67786334e045dd24a2afb03.exe
      C:\Users\Admin\AppData\Local\Temp\a129e21ce67786334e045dd24a2afb03.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\a129e21ce67786334e045dd24a2afb03.exe" /TN SWWBgC1sb860 /F
        3⤵
        • Creates scheduled task(s)
        PID:1368
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN SWWBgC1sb860 > C:\Users\Admin\AppData\Local\Temp\3Rp9Hjkxk.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1060
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN SWWBgC1sb860
          4⤵
            PID:2564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 604
          3⤵
          • Program crash
          PID:3152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 632
          3⤵
          • Program crash
          PID:2856
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 628
          3⤵
          • Program crash
          PID:460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 640
          3⤵
          • Program crash
          PID:3796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 812
          3⤵
          • Program crash
          PID:2268
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 852
          3⤵
          • Program crash
          PID:4556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1468
          3⤵
          • Program crash
          PID:3052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1924
          3⤵
          • Program crash
          PID:1364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 2148
          3⤵
          • Program crash
          PID:4728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1936
          3⤵
          • Program crash
          PID:1080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1976
          3⤵
          • Program crash
          PID:4420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 2112
          3⤵
          • Program crash
          PID:1928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1984
          3⤵
          • Program crash
          PID:2000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1976
          3⤵
          • Program crash
          PID:4932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 2132
          3⤵
          • Program crash
          PID:3292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1976
          3⤵
          • Program crash
          PID:2108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1960
          3⤵
          • Program crash
          PID:3208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 716
          3⤵
          • Program crash
          PID:3760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1448 -ip 1448
      1⤵
        PID:748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1448 -ip 1448
        1⤵
          PID:3380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1448 -ip 1448
          1⤵
            PID:2928
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1448 -ip 1448
            1⤵
              PID:2708
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1448 -ip 1448
              1⤵
                PID:3160
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1448 -ip 1448
                1⤵
                  PID:2212
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1448 -ip 1448
                  1⤵
                    PID:5092
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1448 -ip 1448
                    1⤵
                      PID:3600
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1448 -ip 1448
                      1⤵
                        PID:4196
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1448 -ip 1448
                        1⤵
                          PID:4060
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1448 -ip 1448
                          1⤵
                            PID:3816
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1448 -ip 1448
                            1⤵
                              PID:4924
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1448 -ip 1448
                              1⤵
                                PID:1788
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1448 -ip 1448
                                1⤵
                                  PID:1392
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 1448 -ip 1448
                                  1⤵
                                    PID:4816
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1448 -ip 1448
                                    1⤵
                                      PID:2364
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1448 -ip 1448
                                      1⤵
                                        PID:1264
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 1448 -ip 1448
                                        1⤵
                                          PID:4644

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\3Rp9Hjkxk.xml

                                          Filesize

                                          1KB

                                          MD5

                                          c56df30790232ee29fe91f806b3bf271

                                          SHA1

                                          1a43f5d32c91ff2b93e75f8d483ffef6099cc895

                                          SHA256

                                          fdd5bbade34e200945e8bbb923f570e90d2bdeffe9edc397db3f75d648d6b18b

                                          SHA512

                                          5c8e73403f0c53b95d4df8d8a03782e57f3385af6a17d78a23b9a3f21b7a77905338c223d45bf46e415e3dcdd770201f224a9a6c96c0218eccf962c994acfb4b

                                        • C:\Users\Admin\AppData\Local\Temp\a129e21ce67786334e045dd24a2afb03.exe

                                          Filesize

                                          2.0MB

                                          MD5

                                          aa27e386c5cc7e7092677570289ac85f

                                          SHA1

                                          ebbda456b822084441b403f047632db359c10089

                                          SHA256

                                          04c240058ac40e91daad32516dca0541bb38b4270066381b7c72ae772883328a

                                          SHA512

                                          1f16b4c633f2f519c0b1f6f7e534c7cec205975630bac9dcac9a34329998f6eea8265d5d9da3fb3fa1e7f8d2c60d646889d591be04172ca799ee92e2b25f0218

                                        • memory/1428-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1428-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1428-2-0x0000000025000000-0x000000002507E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1428-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1448-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1448-17-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1448-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1448-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1448-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB