Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 04:20

General

  • Target

    bda59d97030b2e67df9979a812989509.exe

  • Size

    1003KB

  • MD5

    bda59d97030b2e67df9979a812989509

  • SHA1

    eaf52a59920ab6dcd1ee05267365d5b87adbe71c

  • SHA256

    9d1298671047cd2ec3ebfcd8739c9d961fafd845805a44c7eba9ae4924c61c7e

  • SHA512

    afb42d4bea2eae0015a65029ef8316f45e79617e17b987c9967ae7f869658982563ff0059a15e26a0d16b9fc0cc9ba12beb264f8c2296ab709f35ed18877508a

  • SSDEEP

    24576:3qgjK92z7E6e3mIyR6GZ1M3mxfvcZ9LK7sZ0gc5gGFjWrEh:3qgjI2z7E6e3mIyR6+1M3mxfkkY0gXGl

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 19 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\bda59d97030b2e67df9979a812989509.exe
    "C:\Users\Admin\AppData\Local\Temp\bda59d97030b2e67df9979a812989509.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Users\Admin\AppData\Local\Temp\bda59d97030b2e67df9979a812989509.exe
      C:\Users\Admin\AppData\Local\Temp\bda59d97030b2e67df9979a812989509.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4524
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bda59d97030b2e67df9979a812989509.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:468
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\3T2klfkzt.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:2344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 604
          3⤵
          • Program crash
          PID:3208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 632
          3⤵
          • Program crash
          PID:1192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 640
          3⤵
          • Program crash
          PID:3976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 744
          3⤵
          • Program crash
          PID:4460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 728
          3⤵
          • Program crash
          PID:4048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 780
          3⤵
          • Program crash
          PID:4052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1468
          3⤵
          • Program crash
          PID:4196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1920
          3⤵
          • Program crash
          PID:1004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 2144
          3⤵
          • Program crash
          PID:4716
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1880
          3⤵
          • Program crash
          PID:2908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1924
          3⤵
          • Program crash
          PID:976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1988
          3⤵
          • Program crash
          PID:1172
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1880
          3⤵
          • Program crash
          PID:3156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 2140
          3⤵
          • Program crash
          PID:684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1988
          3⤵
          • Program crash
          PID:4252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1992
          3⤵
          • Program crash
          PID:4876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1968
          3⤵
          • Program crash
          PID:4584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 628
          3⤵
          • Program crash
          PID:1836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 2136
          3⤵
          • Program crash
          PID:3132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4524 -ip 4524
      1⤵
        PID:4884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4524 -ip 4524
        1⤵
          PID:1432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4524 -ip 4524
          1⤵
            PID:2296
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4524 -ip 4524
            1⤵
              PID:1992
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4524 -ip 4524
              1⤵
                PID:3084
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4524 -ip 4524
                1⤵
                  PID:2520
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4524 -ip 4524
                  1⤵
                    PID:4332
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4524 -ip 4524
                    1⤵
                      PID:4252
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4524 -ip 4524
                      1⤵
                        PID:4236
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4524 -ip 4524
                        1⤵
                          PID:1624
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4524 -ip 4524
                          1⤵
                            PID:1376
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4524 -ip 4524
                            1⤵
                              PID:3312
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4524 -ip 4524
                              1⤵
                                PID:5016
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4524 -ip 4524
                                1⤵
                                  PID:3092
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4524 -ip 4524
                                  1⤵
                                    PID:4336
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4524 -ip 4524
                                    1⤵
                                      PID:4884
                                    • 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=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
                                      1⤵
                                        PID:2836
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4524 -ip 4524
                                        1⤵
                                          PID:4432
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4524 -ip 4524
                                          1⤵
                                            PID:3680
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4524 -ip 4524
                                            1⤵
                                              PID:4408

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\3T2klfkzt.xml

                                              Filesize

                                              1KB

                                              MD5

                                              f9caa557bb83b05777c4a533246f63ed

                                              SHA1

                                              e7d7f8dd153241351561270ca0cfe958b720ce52

                                              SHA256

                                              70524eaabb994ea22fc7fb93b4db7cca63a30715565602516fe3df8f7be14ac3

                                              SHA512

                                              9f84ab556373adb5168e885dcd5d9da1048e443eee1ca227e0151c796387490ee910ba63733502e6539f9273a4004a790415ab4e21beb1dfdd705af1fd17ee16

                                            • C:\Users\Admin\AppData\Local\Temp\bda59d97030b2e67df9979a812989509.exe

                                              Filesize

                                              1003KB

                                              MD5

                                              f13fb0794b6a3733fc7056aa17581549

                                              SHA1

                                              ce082eaac080a4eae7c6271a9471cfc6e313bc49

                                              SHA256

                                              22ca6f788d3eea5f83703ee9bdc4022e1b7643dc6e340d3eaaeed966e61299e1

                                              SHA512

                                              40c2ba4f958ac9e3269d7d87342820fa74b5a029615b9b60a5d9c4f27822f0843f5c93ca944544f6a7c44716f29e6a4db93380e36f175fb5c18a78afe5a925c6

                                            • memory/2072-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/2072-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/2072-2-0x0000000025030000-0x00000000250AE000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/2072-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4524-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/4524-17-0x0000000025030000-0x00000000250AE000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/4524-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4524-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/4524-34-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB