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Analysis

  • max time kernel
    140s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 09:41

General

  • Target

    14c441b6c593a152c648a4161af5c105.exe

  • Size

    1.6MB

  • MD5

    14c441b6c593a152c648a4161af5c105

  • SHA1

    ccc6cc2fdfff34ca3e88cadb767d665570c02bd6

  • SHA256

    b53e2a1c8738c3ca9759323ccf9bd0056028fbc33063340710398bb798ae9185

  • SHA512

    646075c3fd309a8c77677894af28f3a19536be7531bdc883fa0d55c0531ed91a9923346b11d499f13af3247b236f19cb53587bbfe2ef37e134646eb9c697a6fa

  • SSDEEP

    49152:KX/qiciu8y+z9cakLz0xR2NfxRyrTxOpTZWcakLz0O:KX/Jct8y+BcakcxQZMEVgcakcO

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
  • 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\14c441b6c593a152c648a4161af5c105.exe
    "C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe
      C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe" /TN Wxpz1JCma418 /F
        3⤵
        • Creates scheduled task(s)
        PID:4892
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Wxpz1JCma418 > C:\Users\Admin\AppData\Local\Temp\7cvxMX3C.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2984
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN Wxpz1JCma418
          4⤵
            PID:4724
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 612
          3⤵
          • Program crash
          PID:1244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 632
          3⤵
          • Program crash
          PID:5064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 716
          3⤵
          • Program crash
          PID:3096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 736
          3⤵
          • Program crash
          PID:2956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 736
          3⤵
          • Program crash
          PID:1016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 796
          3⤵
          • Program crash
          PID:1664
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1480
          3⤵
          • Program crash
          PID:1652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1920
          3⤵
          • Program crash
          PID:1448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 2144
          3⤵
          • Program crash
          PID:2356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1912
          3⤵
          • Program crash
          PID:1280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1924
          3⤵
          • Program crash
          PID:4140
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 2112
          3⤵
          • Program crash
          PID:3464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 2108
          3⤵
          • Program crash
          PID:3280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1928
          3⤵
          • Program crash
          PID:1872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 1932
          3⤵
          • Program crash
          PID:2616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 892
          3⤵
          • Program crash
          PID:1928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 2184
          3⤵
          • Program crash
          PID:384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 712
          3⤵
          • Program crash
          PID:4872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2740 -ip 2740
      1⤵
        PID:384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2740 -ip 2740
        1⤵
          PID:1452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2740 -ip 2740
          1⤵
            PID:4872
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2740 -ip 2740
            1⤵
              PID:2052
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2740 -ip 2740
              1⤵
                PID:2800
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2740 -ip 2740
                1⤵
                  PID:1436
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2740 -ip 2740
                  1⤵
                    PID:2484
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2740 -ip 2740
                    1⤵
                      PID:3784
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2740 -ip 2740
                      1⤵
                        PID:4244
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2740 -ip 2740
                        1⤵
                          PID:4460
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2740 -ip 2740
                          1⤵
                            PID:4308
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2740 -ip 2740
                            1⤵
                              PID:1228
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2740 -ip 2740
                              1⤵
                                PID:4892
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2740 -ip 2740
                                1⤵
                                  PID:3160
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2740 -ip 2740
                                  1⤵
                                    PID:1972
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2740 -ip 2740
                                    1⤵
                                      PID:1452
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 2740 -ip 2740
                                      1⤵
                                        PID:2528
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 2740 -ip 2740
                                        1⤵
                                          PID:2372

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe

                                          Filesize

                                          1.5MB

                                          MD5

                                          171301a4d2143d28049af07068e8aa18

                                          SHA1

                                          dc7fdbefcad0886c67b8ab7fef8476de10a33daf

                                          SHA256

                                          a48170af8e77cefc1405cd7aaa6786fe0396f5d4526d6d66a632a5aca1b67925

                                          SHA512

                                          29067bf920a60a430354efd3598ac36b5e4cdc2e0eb485829c2c331ed56763fe2a9fbb234fcbf123c9144208407b1477d24af3e59685f3a92e4f852721b86f94

                                        • C:\Users\Admin\AppData\Local\Temp\7cvxMX3C.xml

                                          Filesize

                                          1KB

                                          MD5

                                          a5ece339b22ae8b3f314eb1b74eda210

                                          SHA1

                                          4714a8b4ed7ae5dab3b2409844a7a2875bbf4378

                                          SHA256

                                          e7d139b76cfe9c3bc36b1ec5247e16381412e57b14e6816b62471bfa441b22a9

                                          SHA512

                                          d162a00b42b74ab05f3f2a9c5e605d9527ee5421f459750675cb0e41b70d4e4544595a67177f39d316eb9108731180e8ee59f89c16d3a8bdcbf8a5291685c24c

                                        • memory/2740-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2740-16-0x0000000023FE0000-0x000000002405E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2740-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2740-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2740-37-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4044-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4044-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4044-3-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4044-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB