Analysis

  • max time kernel
    141s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 05:13

General

  • Target

    bfeeb42b97bb7c622d78f8bdbf194ee1.exe

  • Size

    1003KB

  • MD5

    bfeeb42b97bb7c622d78f8bdbf194ee1

  • SHA1

    da16c8c880af21cafff24139834aaeff96e661cd

  • SHA256

    d856c38a04e37b64cb74787037771e68060151e2132d08ff2bbdb05ce68c63f8

  • SHA512

    ef1461e5408bf17b87bd945906e545354579ffd569e6e1869a24dcc70e4dd471888b10d51446dc65d46249ea00f0edb2762f552c1d47d0b8b306af9ca6641713

  • SSDEEP

    24576:1vdYjXzEimXdFVEpAnho0vpTlVqjAqIT6wo6RIa:1SjXzEimXdTEpAnK0vJlIjAqW6OH

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 17 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\bfeeb42b97bb7c622d78f8bdbf194ee1.exe
    "C:\Users\Admin\AppData\Local\Temp\bfeeb42b97bb7c622d78f8bdbf194ee1.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Users\Admin\AppData\Local\Temp\bfeeb42b97bb7c622d78f8bdbf194ee1.exe
      C:\Users\Admin\AppData\Local\Temp\bfeeb42b97bb7c622d78f8bdbf194ee1.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2268
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bfeeb42b97bb7c622d78f8bdbf194ee1.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:2776
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\EzonOv.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2480
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:2988
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 604
          3⤵
          • Program crash
          PID:116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 648
          3⤵
          • Program crash
          PID:1196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 656
          3⤵
          • Program crash
          PID:3796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 744
          3⤵
          • Program crash
          PID:2132
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 744
          3⤵
          • Program crash
          PID:3624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 832
          3⤵
          • Program crash
          PID:436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1464
          3⤵
          • Program crash
          PID:3660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1912
          3⤵
          • Program crash
          PID:4068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 2144
          3⤵
          • Program crash
          PID:3652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1904
          3⤵
          • Program crash
          PID:3136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1916
          3⤵
          • Program crash
          PID:3252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 2140
          3⤵
          • Program crash
          PID:3456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1920
          3⤵
          • Program crash
          PID:3396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1980
          3⤵
          • Program crash
          PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1976
          3⤵
          • Program crash
          PID:4448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 1932
          3⤵
          • Program crash
          PID:1876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 760
          3⤵
          • Program crash
          PID:3944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2268 -ip 2268
      1⤵
        PID:1200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2268 -ip 2268
        1⤵
          PID:4476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2268 -ip 2268
          1⤵
            PID:2644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2268 -ip 2268
            1⤵
              PID:3180
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2268 -ip 2268
              1⤵
                PID:3456
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2268 -ip 2268
                1⤵
                  PID:3744
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2268 -ip 2268
                  1⤵
                    PID:1928
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2268 -ip 2268
                    1⤵
                      PID:3092
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2268 -ip 2268
                      1⤵
                        PID:4612
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2268 -ip 2268
                        1⤵
                          PID:3432
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2268 -ip 2268
                          1⤵
                            PID:924
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2268 -ip 2268
                            1⤵
                              PID:5108
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2268 -ip 2268
                              1⤵
                                PID:5100
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2268 -ip 2268
                                1⤵
                                  PID:1140
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2268 -ip 2268
                                  1⤵
                                    PID:3516
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
                                    1⤵
                                      PID:4300
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2268 -ip 2268
                                      1⤵
                                        PID:1528
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2268 -ip 2268
                                        1⤵
                                          PID:3396

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

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

                                          Filesize

                                          1KB

                                          MD5

                                          3ee6a6dd7f443294d49a9be48ee3ad3c

                                          SHA1

                                          40a5657f17353c778f3ec35d5af4c9833db97a08

                                          SHA256

                                          e9480f169541973aaa55982a50ec18735c3c9b0907a30edd583979bddfcf25de

                                          SHA512

                                          94684f35136d2d3e4d3c0b4a2f42196f06f8a7349d51391df2cb89106a690ae5623da8a8d8792096358c7633263c39633808e6c7e3a5af420a9b15dbe5ff1d80

                                        • C:\Users\Admin\AppData\Local\Temp\bfeeb42b97bb7c622d78f8bdbf194ee1.exe

                                          Filesize

                                          1003KB

                                          MD5

                                          ce6217357091fef29b4b9c5e3ea95672

                                          SHA1

                                          415a8254671c4a00f62f23cfa6ef943bbf4a9687

                                          SHA256

                                          145469ea8b6483f9c5dfe20645d8ff75334cbd7ed4d2e4490e5a4f700e9d57bd

                                          SHA512

                                          0026285de940ade99b9328bfb35a7b0f30be97717d127698545aca1ed658b867817a7ec6cafc959c979558ff8ce84ca745a68777687bf1f7eea2a56c563924da

                                        • memory/2268-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2268-16-0x0000000025020000-0x000000002509E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2268-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2268-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2268-32-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4128-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4128-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4128-4-0x0000000026020000-0x000000002609E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4128-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB