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Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2024, 07:11

General

  • Target

    c549ae8ce044c1fe52ed0ac8e05abb44.exe

  • Size

    3.9MB

  • MD5

    c549ae8ce044c1fe52ed0ac8e05abb44

  • SHA1

    e1c6e01cb73fbc4977c9b1f0938991f1ba188408

  • SHA256

    7e0997dacb78b2b62f6a41b12e1be202dac433f63b21a0cc53b8d9fb1e712f01

  • SHA512

    addaa29853eeb99ca5233bb9ce8c735ad15d7f6680d16eb7489c9d086f3f1861f2aa1e73634f37e853d8510dbd39e73ce8f5b40808e859807a29d0176b25ab5e

  • SSDEEP

    98304:fqopHpbWILpYOeFA9zyULG+FgzZWWvvzarCqA9zyULG+fj2kHkpRKrMA9zyULG+Q:fqoFp3LDeyzLqggzkWvlzLq6j2Gk/KtP

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\c549ae8ce044c1fe52ed0ac8e05abb44.exe
    "C:\Users\Admin\AppData\Local\Temp\c549ae8ce044c1fe52ed0ac8e05abb44.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Users\Admin\AppData\Local\Temp\c549ae8ce044c1fe52ed0ac8e05abb44.exe
      C:\Users\Admin\AppData\Local\Temp\c549ae8ce044c1fe52ed0ac8e05abb44.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3576
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c549ae8ce044c1fe52ed0ac8e05abb44.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:2272
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\ikJmJl7.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4620
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:1692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 608
          3⤵
          • Program crash
          PID:1632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 632
          3⤵
          • Program crash
          PID:4020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 640
          3⤵
          • Program crash
          PID:4324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 740
          3⤵
          • Program crash
          PID:4652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 620
          3⤵
          • Program crash
          PID:1232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 780
          3⤵
          • Program crash
          PID:3136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1472
          3⤵
          • Program crash
          PID:4316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1936
          3⤵
          • Program crash
          PID:4464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 2144
          3⤵
          • Program crash
          PID:3408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1948
          3⤵
          • Program crash
          PID:3088
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1940
          3⤵
          • Program crash
          PID:3828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 2156
          3⤵
          • Program crash
          PID:4028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1944
          3⤵
          • Program crash
          PID:4468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1972
          3⤵
          • Program crash
          PID:1584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 2156
          3⤵
          • Program crash
          PID:4316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1880
          3⤵
          • Program crash
          PID:4424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 632
          3⤵
          • Program crash
          PID:4724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3576 -ip 3576
      1⤵
        PID:5048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3576 -ip 3576
        1⤵
          PID:2644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3576 -ip 3576
          1⤵
            PID:1516
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3576 -ip 3576
            1⤵
              PID:2548
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3576 -ip 3576
              1⤵
                PID:680
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3576 -ip 3576
                1⤵
                  PID:2788
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3576 -ip 3576
                  1⤵
                    PID:4456
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3576 -ip 3576
                    1⤵
                      PID:1840
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3576 -ip 3576
                      1⤵
                        PID:4460
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3576 -ip 3576
                        1⤵
                          PID:1488
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3576 -ip 3576
                          1⤵
                            PID:1216
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3576 -ip 3576
                            1⤵
                              PID:1060
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3576 -ip 3576
                              1⤵
                                PID:1152
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3576 -ip 3576
                                1⤵
                                  PID:2324
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 3576 -ip 3576
                                  1⤵
                                    PID:1480
                                  • 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=1028 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
                                    1⤵
                                      PID:4592
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3576 -ip 3576
                                      1⤵
                                        PID:3520
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3576 -ip 3576
                                        1⤵
                                          PID:3312

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\c549ae8ce044c1fe52ed0ac8e05abb44.exe

                                          Filesize

                                          3.9MB

                                          MD5

                                          32d6eac46a79a67abc6c416ff18e8f39

                                          SHA1

                                          b184a7f2d8e880dd8377c1f1ad5cb4100bffe46b

                                          SHA256

                                          b5e3a961280349c795bfea8ddcb301d081dd1822a4871186f90b9f0b69a67acc

                                          SHA512

                                          b9a9b8912d39bff08ced98d50551ff7b81c68b7f7ec556f57c7789aabb941fab9b38f5a2280c8e9294a4cb18a5d69456df9c17871f722599fdf16d4f2e4d72b8

                                        • C:\Users\Admin\AppData\Local\Temp\ikJmJl7.xml

                                          Filesize

                                          1KB

                                          MD5

                                          176f5daf1560d3a97f8f92963f1fa35d

                                          SHA1

                                          bba7592a79611a6b5facfd90cf180ced0407eb85

                                          SHA256

                                          79fa8006a6b8db79445b8536e18a503b38f0f001bfd5253bca4729abc47d6a16

                                          SHA512

                                          86d4298db11bccdf4ae668bcf3dc1438374344866e3ecb441f91df655df964200404f0620ed2aa3a5550bdc72b48033845506fa15b81edb93cd4798ea59d6980

                                        • memory/324-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/324-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/324-3-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/324-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3576-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3576-16-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3576-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3576-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3576-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB