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Analysis

  • max time kernel
    144s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2024, 03:23

General

  • Target

    c2558d1a69052273fcfbfa6676744f6d.exe

  • Size

    2.0MB

  • MD5

    c2558d1a69052273fcfbfa6676744f6d

  • SHA1

    769f55c3b14fa2faf65a172db442afd2f3e48c04

  • SHA256

    d9a2b3aa359d08d7aa46fe57b313755caba05c8a2304ab643207de0e5e5ca28e

  • SHA512

    6229492b8a28f2fb65bd4fa926fcf4f8798b8df5045934b62aaf10f0949b53cb3306a0814a366c3c4ac2996968e48747f258d2a28b55240f3b65ff7a7746a766

  • SSDEEP

    49152:kOU2aX3feUMY+61Szi/acakLz0ibq6yqhhubDY0CgOnQvEn0bcakLz0ibq6yqh:BU2aX3feHYZ8i/acakcibiqhMbMgOn7R

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 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\c2558d1a69052273fcfbfa6676744f6d.exe
    "C:\Users\Admin\AppData\Local\Temp\c2558d1a69052273fcfbfa6676744f6d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\c2558d1a69052273fcfbfa6676744f6d.exe
      C:\Users\Admin\AppData\Local\Temp\c2558d1a69052273fcfbfa6676744f6d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c2558d1a69052273fcfbfa6676744f6d.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:4984
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\oVbgSYGY.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:1120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 604
          3⤵
          • Program crash
          PID:3548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 628
          3⤵
          • Program crash
          PID:1812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 636
          3⤵
          • Program crash
          PID:4184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 680
          3⤵
          • Program crash
          PID:2836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 732
          3⤵
          • Program crash
          PID:1608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 812
          3⤵
          • Program crash
          PID:1624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1480
          3⤵
          • Program crash
          PID:2888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1944
          3⤵
          • Program crash
          PID:4940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 2112
          3⤵
          • Program crash
          PID:4184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 2104
          3⤵
          • Program crash
          PID:4408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1956
          3⤵
          • Program crash
          PID:3216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1948
          3⤵
          • Program crash
          PID:4416
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1996
          3⤵
          • Program crash
          PID:4940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1952
          3⤵
          • Program crash
          PID:4744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1984
          3⤵
          • Program crash
          PID:2584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1644
          3⤵
          • Program crash
          PID:3288
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 2148
          3⤵
          • Program crash
          PID:1080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2464 -ip 2464
      1⤵
        PID:2252
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2464 -ip 2464
        1⤵
          PID:4048
        • 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=3740 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:1984
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2464 -ip 2464
            1⤵
              PID:3504
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2464 -ip 2464
              1⤵
                PID:2296
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2464 -ip 2464
                1⤵
                  PID:844
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2464 -ip 2464
                  1⤵
                    PID:1372
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2464 -ip 2464
                    1⤵
                      PID:4416
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2464 -ip 2464
                      1⤵
                        PID:3404
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2464 -ip 2464
                        1⤵
                          PID:3424
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2464 -ip 2464
                          1⤵
                            PID:3484
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2464 -ip 2464
                            1⤵
                              PID:2096
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2464 -ip 2464
                              1⤵
                                PID:2040
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2464 -ip 2464
                                1⤵
                                  PID:1388
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2464 -ip 2464
                                  1⤵
                                    PID:4208
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2464 -ip 2464
                                    1⤵
                                      PID:3756
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2464 -ip 2464
                                      1⤵
                                        PID:4776
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2464 -ip 2464
                                        1⤵
                                          PID:3632

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\c2558d1a69052273fcfbfa6676744f6d.exe

                                          Filesize

                                          2.0MB

                                          MD5

                                          a9b4c285d10438de0af635e5089407a6

                                          SHA1

                                          252ea30340ec411d45cfbc58a96d48ebbcfb8735

                                          SHA256

                                          41bd96f2c6fa17d9247f0eedd6bc4e6eba73a684cae396d4ffede11fa22e8b32

                                          SHA512

                                          973a1441744600ae54372d81ae3f4a8885f8719a5e91fb47ed67b4c0f32c399946ee1bd9a1fd76e1c985798748de63fa28460004e438753263135d9010e454c1

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

                                          Filesize

                                          1KB

                                          MD5

                                          d711f6342afd8b8279cf7bb93d9b2fa6

                                          SHA1

                                          93830a1431bd521adf5e5965a4509e0c7137a398

                                          SHA256

                                          706579633932007e824b3a13ca67e07f649a06511c5042ae50cf9ba8c5b30964

                                          SHA512

                                          53c052cc00fe8a0d8cc6714be7708bb2f3592245e227171a2d089e2169228e6efa87665f2d832aed2a4b85bd9968dcb59a9a0874365713a0f441594e5db3089c

                                        • memory/2464-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2464-18-0x0000000025000000-0x000000002507E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2464-23-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2464-24-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2464-33-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3980-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3980-1-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3980-2-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3980-5-0x0000000026030000-0x00000000260AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3980-14-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB