Analysis

  • max time kernel
    142s
  • 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
    29-02-2024 00:02

General

  • Target

    ad31d03c68d0ea459d6c80b092ef2504.exe

  • Size

    3.2MB

  • MD5

    ad31d03c68d0ea459d6c80b092ef2504

  • SHA1

    59bb1dc52d170314c4f8e9bd219fcb9b204c0238

  • SHA256

    52d0561b2c0ac69da78155864aee7a148f3b914b90e0ae226e41b9ff1fec961b

  • SHA512

    ab2536ad5cdd3987f9e17d449686c708e2512acbf034f0808c4cf627e9235a04c6515cb4d47c37613b48d70febd7514f956603f3ef7ef66dbd675cdf20b89f9e

  • SSDEEP

    98304:4JTWbi7VcakcmzU581lcakcwUrHLofycakcmzU581lcakcO:4J4mVdlmg587dlwqkfydlmg587dlO

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\ad31d03c68d0ea459d6c80b092ef2504.exe
    "C:\Users\Admin\AppData\Local\Temp\ad31d03c68d0ea459d6c80b092ef2504.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\ad31d03c68d0ea459d6c80b092ef2504.exe
      C:\Users\Admin\AppData\Local\Temp\ad31d03c68d0ea459d6c80b092ef2504.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ad31d03c68d0ea459d6c80b092ef2504.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:4020
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\3QcCYQjHQ.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:4876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 604
          3⤵
          • Program crash
          PID:3648
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 648
          3⤵
          • Program crash
          PID:1884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 656
          3⤵
          • Program crash
          PID:4432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 724
          3⤵
          • Program crash
          PID:3652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 740
          3⤵
          • Program crash
          PID:1632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 796
          3⤵
          • Program crash
          PID:612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1476
          3⤵
          • Program crash
          PID:4136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1908
          3⤵
          • Program crash
          PID:2056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 2144
          3⤵
          • Program crash
          PID:392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1924
          3⤵
          • Program crash
          PID:4020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1964
          3⤵
          • Program crash
          PID:3784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1908
          3⤵
          • Program crash
          PID:4060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1972
          3⤵
          • Program crash
          PID:3480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1904
          3⤵
          • Program crash
          PID:4292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1964
          3⤵
          • Program crash
          PID:5024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 2152
          3⤵
          • Program crash
          PID:5092
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 2100
          3⤵
          • Program crash
          PID:3260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 648
          3⤵
          • Program crash
          PID:4988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2692 -ip 2692
      1⤵
        PID:4060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2692 -ip 2692
        1⤵
          PID:1388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2692 -ip 2692
          1⤵
            PID:5092
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2692 -ip 2692
            1⤵
              PID:4412
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2692 -ip 2692
              1⤵
                PID:4364
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2692 -ip 2692
                1⤵
                  PID:1672
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2692 -ip 2692
                  1⤵
                    PID:4664
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2692 -ip 2692
                    1⤵
                      PID:4052
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2692 -ip 2692
                      1⤵
                        PID:400
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2692 -ip 2692
                        1⤵
                          PID:1860
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2692 -ip 2692
                          1⤵
                            PID:4532
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2692 -ip 2692
                            1⤵
                              PID:3772
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2692 -ip 2692
                              1⤵
                                PID:4708
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2692 -ip 2692
                                1⤵
                                  PID:2432
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2692 -ip 2692
                                  1⤵
                                    PID:4628
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2692 -ip 2692
                                    1⤵
                                      PID:1884
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2692 -ip 2692
                                      1⤵
                                        PID:3612
                                      • 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=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
                                        1⤵
                                          PID:4456
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2692 -ip 2692
                                          1⤵
                                            PID:688

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

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

                                            Filesize

                                            1KB

                                            MD5

                                            5c8b74e91def534af564e9bf069fe413

                                            SHA1

                                            9fbf995bc8db0b5c1b74fd7770ec124996ae5aea

                                            SHA256

                                            99d6e520d70d701b6d07e55d689855d99bfb33f280aa525fc0a48eeb8f24f688

                                            SHA512

                                            24549cf49946da4537c3bbb673e90695be9bc552ec4abd0a30a616950e35ba425e97adb2d067600f0b2555b4055cc0c83b2b37027a2b43cfb43025997c49aeb7

                                          • C:\Users\Admin\AppData\Local\Temp\ad31d03c68d0ea459d6c80b092ef2504.exe

                                            Filesize

                                            3.2MB

                                            MD5

                                            8b8824b595594cca23366056d4907a9a

                                            SHA1

                                            14664ec348b68513b7ec648cd642afd5695aba71

                                            SHA256

                                            0c97340883594af7b72c23de59aeee63916bcca8f82971c87727bda3f929bb5c

                                            SHA512

                                            e9ffed61fcc66b3cf121478f8c008c053f5fbac69dac9a057b425342d36e332b4d5ff63ac7b02daf295f947ee64156f8465e632f349a7d27af0ea73b0e919afc

                                          • memory/1480-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/1480-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/1480-4-0x0000000025010000-0x000000002508E000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/1480-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/2692-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/2692-16-0x00000000016E0000-0x000000000175E000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/2692-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/2692-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                            Filesize

                                            364KB

                                          • memory/2692-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB