Analysis

  • max time kernel
    150s
  • 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
    09-03-2024 13:21

General

  • Target

    bbe97d45bb0c3a8ab2c524140226d661.exe

  • Size

    821KB

  • MD5

    bbe97d45bb0c3a8ab2c524140226d661

  • SHA1

    4386b4638808467b4d92366ea14fa29ddb46259e

  • SHA256

    e0987e6d3372606602ab4ebbe6346d33ebda6734cc212a11139aa3508e281882

  • SHA512

    ad018202c85f3db914d6735cdc2c33eeb5a8ac867c499b98532e9dd69b58b5029a064bec8e9a77753b66f13b50fc65d9b1a66c978e1a39db6b0001786d781a3e

  • SSDEEP

    24576:gWVQYYQmWxRHEqFcNWjb6tbeeICcjukL2CDYO:gWVQYYQXxRHzIWjb6trICcakLz0O

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\bbe97d45bb0c3a8ab2c524140226d661.exe
    "C:\Users\Admin\AppData\Local\Temp\bbe97d45bb0c3a8ab2c524140226d661.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\bbe97d45bb0c3a8ab2c524140226d661.exe
      C:\Users\Admin\AppData\Local\Temp\bbe97d45bb0c3a8ab2c524140226d661.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bbe97d45bb0c3a8ab2c524140226d661.exe" /TN v8Zki9cgdb8d /F
        3⤵
        • Creates scheduled task(s)
        PID:4324
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v8Zki9cgdb8d > C:\Users\Admin\AppData\Local\Temp\2gr3df.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:756
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v8Zki9cgdb8d
          4⤵
            PID:5096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 616
          3⤵
          • Program crash
          PID:2868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 652
          3⤵
          • Program crash
          PID:1048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 744
          3⤵
          • Program crash
          PID:4200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 752
          3⤵
          • Program crash
          PID:3484
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 784
          3⤵
          • Program crash
          PID:4424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 824
          3⤵
          • Program crash
          PID:4772
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1476
          3⤵
          • Program crash
          PID:1952
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1912
          3⤵
          • Program crash
          PID:964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 2148
          3⤵
          • Program crash
          PID:2932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 2104
          3⤵
          • Program crash
          PID:756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1928
          3⤵
          • Program crash
          PID:224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 2144
          3⤵
          • Program crash
          PID:3692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1912
          3⤵
          • Program crash
          PID:392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 2188
          3⤵
          • Program crash
          PID:3244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1980
          3⤵
          • Program crash
          PID:1712
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1952
          3⤵
          • Program crash
          PID:2288
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 2216
          3⤵
          • Program crash
          PID:528
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 760
          3⤵
          • Program crash
          PID:1496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2836 -ip 2836
      1⤵
        PID:3692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2836 -ip 2836
        1⤵
          PID:640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2836 -ip 2836
          1⤵
            PID:3244
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2836 -ip 2836
            1⤵
              PID:4328
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2836 -ip 2836
              1⤵
                PID:2896
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2836 -ip 2836
                1⤵
                  PID:2568
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2836 -ip 2836
                  1⤵
                    PID:780
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2836 -ip 2836
                    1⤵
                      PID:4308
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2836 -ip 2836
                      1⤵
                        PID:2844
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2836 -ip 2836
                        1⤵
                          PID:4796
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2836 -ip 2836
                          1⤵
                            PID:4420
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2836 -ip 2836
                            1⤵
                              PID:536
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2836 -ip 2836
                              1⤵
                                PID:2268
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2836 -ip 2836
                                1⤵
                                  PID:3208
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2836 -ip 2836
                                  1⤵
                                    PID:5084
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2836 -ip 2836
                                    1⤵
                                      PID:2508
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2836 -ip 2836
                                      1⤵
                                        PID:2120
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2836 -ip 2836
                                        1⤵
                                          PID:4272

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\2gr3df.xml

                                          Filesize

                                          1KB

                                          MD5

                                          1472af534e65ffa0d201fba5decc9fa3

                                          SHA1

                                          d4302b54bebcef00fa1e230ad846ade82a515ec8

                                          SHA256

                                          10f31b22374336bff130fe98ee1e2f5ba1ce33a5dffcbadbacedc1863b9a8076

                                          SHA512

                                          0bb22d5fc779395d5b94cff337f2990c2ec2649a386dc89ff7c6ef4b75781d9e90710d199590de540053919ca2bedee42e7c6d9514a8854d6cb08c68b4ac849f

                                        • C:\Users\Admin\AppData\Local\Temp\bbe97d45bb0c3a8ab2c524140226d661.exe

                                          Filesize

                                          821KB

                                          MD5

                                          8f246aa3ff742ead7278ecdb8140d4b4

                                          SHA1

                                          c241d39f98a6247e954a000a2cf864586fcf1787

                                          SHA256

                                          5a3b029ef71aa03c8faf2d3e5a3474244842cb4037527b08b2b5096c989f2223

                                          SHA512

                                          5c146da54e700680e7ab111249a21f524b5031ad11215d95da7514b2bf8496819dc42dc4c245ab9e5b34529515ad5c4d08f9a951a50c3390837f2a63e8aa0cc2

                                        • memory/2836-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2836-16-0x0000000024FD0000-0x000000002504E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2836-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2836-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2836-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2968-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2968-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2968-4-0x0000000026050000-0x00000000260CE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2968-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB