Analysis

  • max time kernel
    156s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2022 17:07

General

  • Target

    In012657AK.exe

  • Size

    300.0MB

  • MD5

    29845e4bb10cc5b292296e9ad7fb2796

  • SHA1

    4ca80f348bf73f40da9d99861b9aeb721e4cffbd

  • SHA256

    4748b94802d984b33b2fb85bf3b270825eb3eb021f7132d8ccdeca86863e95cd

  • SHA512

    20d03122283459182ac5b74aa36b9cbd7af3a95d9e1695fd60ac8863f9ce2cbac3c1c09224711ed00370febd05d678acb7ad5907b71c56835cbc7fb95f803fb1

  • SSDEEP

    24576:d5rVm/hz8mGTYKHvQoy17AmBr3xQctbOy8wqhzUujv+pPgJ6aIlGb4+Thid0YFB5:d52J6HYoyFA0rhQdm6+Hl7qk0Yl4mgS

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 6 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\In012657AK.exe
    "C:\Users\Admin\AppData\Local\Temp\In012657AK.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 536
          3⤵
          • Program crash
          PID:2768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 540
          3⤵
          • Program crash
          PID:3516
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
        2⤵
          PID:4228
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2092
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            3⤵
            • Creates scheduled task(s)
            PID:1660
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\In012657AK.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          2⤵
            PID:1048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 208 -ip 208
          1⤵
            PID:1336
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 208 -ip 208
            1⤵
              PID:3120
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4204
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                2⤵
                  PID:748
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 536
                    3⤵
                    • Program crash
                    PID:3636
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 540
                    3⤵
                    • Program crash
                    PID:1420
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                  2⤵
                    PID:2580
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                    2⤵
                      PID:4616
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4236
                      • C:\Windows\SysWOW64\schtasks.exe
                        schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                        3⤵
                        • Creates scheduled task(s)
                        PID:5116
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 748 -ip 748
                    1⤵
                      PID:1652
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 748 -ip 748
                      1⤵
                        PID:1552
                      • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                        C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                        1⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • Suspicious use of WriteProcessMemory
                        PID:396
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                          2⤵
                            PID:3796
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 536
                              3⤵
                              • Program crash
                              PID:384
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 540
                              3⤵
                              • Program crash
                              PID:5068
                          • C:\Windows\SysWOW64\cmd.exe
                            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                            2⤵
                              PID:1744
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                              2⤵
                              • Suspicious use of WriteProcessMemory
                              PID:4244
                              • C:\Windows\SysWOW64\schtasks.exe
                                schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                                3⤵
                                • Creates scheduled task(s)
                                PID:3508
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                              2⤵
                                PID:2632
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3796 -ip 3796
                              1⤵
                                PID:2112
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3796 -ip 3796
                                1⤵
                                  PID:1556
                                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                                  C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                                  1⤵
                                  • Executes dropped EXE
                                  PID:4940

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log

                                  Filesize

                                  425B

                                  MD5

                                  4eaca4566b22b01cd3bc115b9b0b2196

                                  SHA1

                                  e743e0792c19f71740416e7b3c061d9f1336bf94

                                  SHA256

                                  34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

                                  SHA512

                                  bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

                                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                                  Filesize

                                  300.0MB

                                  MD5

                                  29845e4bb10cc5b292296e9ad7fb2796

                                  SHA1

                                  4ca80f348bf73f40da9d99861b9aeb721e4cffbd

                                  SHA256

                                  4748b94802d984b33b2fb85bf3b270825eb3eb021f7132d8ccdeca86863e95cd

                                  SHA512

                                  20d03122283459182ac5b74aa36b9cbd7af3a95d9e1695fd60ac8863f9ce2cbac3c1c09224711ed00370febd05d678acb7ad5907b71c56835cbc7fb95f803fb1

                                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                                  Filesize

                                  300.0MB

                                  MD5

                                  29845e4bb10cc5b292296e9ad7fb2796

                                  SHA1

                                  4ca80f348bf73f40da9d99861b9aeb721e4cffbd

                                  SHA256

                                  4748b94802d984b33b2fb85bf3b270825eb3eb021f7132d8ccdeca86863e95cd

                                  SHA512

                                  20d03122283459182ac5b74aa36b9cbd7af3a95d9e1695fd60ac8863f9ce2cbac3c1c09224711ed00370febd05d678acb7ad5907b71c56835cbc7fb95f803fb1

                                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                                  Filesize

                                  300.0MB

                                  MD5

                                  29845e4bb10cc5b292296e9ad7fb2796

                                  SHA1

                                  4ca80f348bf73f40da9d99861b9aeb721e4cffbd

                                  SHA256

                                  4748b94802d984b33b2fb85bf3b270825eb3eb021f7132d8ccdeca86863e95cd

                                  SHA512

                                  20d03122283459182ac5b74aa36b9cbd7af3a95d9e1695fd60ac8863f9ce2cbac3c1c09224711ed00370febd05d678acb7ad5907b71c56835cbc7fb95f803fb1

                                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                                  Filesize

                                  36.1MB

                                  MD5

                                  0b787f316edd52c9996c226f77d1c201

                                  SHA1

                                  4100b29e939aeb029b0c1d78352c799f62f13434

                                  SHA256

                                  b8f765a50f64daf20ce0a157d8a475e7d6a970d70ff08b4c2dba914d854032db

                                  SHA512

                                  ca8a19e163448826f2299f2c412009e47afe524f705e09f266228338292cf041bd44030a144f10c2abf0da8a2a495b80cad637b47aea45f3ba93e77ddbde4ef7

                                • memory/208-139-0x00000000007C0000-0x0000000000BA4000-memory.dmp

                                  Filesize

                                  3.9MB

                                • memory/208-133-0x0000000000000000-mapping.dmp

                                • memory/208-138-0x00000000007C0000-0x0000000000BA4000-memory.dmp

                                  Filesize

                                  3.9MB

                                • memory/748-145-0x0000000000770000-0x0000000000B54000-memory.dmp

                                  Filesize

                                  3.9MB

                                • memory/748-146-0x0000000000770000-0x0000000000B54000-memory.dmp

                                  Filesize

                                  3.9MB

                                • memory/748-143-0x0000000000000000-mapping.dmp

                                • memory/1048-137-0x0000000000000000-mapping.dmp

                                • memory/1660-140-0x0000000000000000-mapping.dmp

                                • memory/1744-157-0x0000000000000000-mapping.dmp

                                • memory/2092-136-0x0000000000000000-mapping.dmp

                                • memory/2580-147-0x0000000000000000-mapping.dmp

                                • memory/2632-159-0x0000000000000000-mapping.dmp

                                • memory/3508-160-0x0000000000000000-mapping.dmp

                                • memory/3796-153-0x0000000000000000-mapping.dmp

                                • memory/3984-132-0x00000000002A0000-0x0000000000454000-memory.dmp

                                  Filesize

                                  1.7MB

                                • memory/4228-135-0x0000000000000000-mapping.dmp

                                • memory/4236-148-0x0000000000000000-mapping.dmp

                                • memory/4244-158-0x0000000000000000-mapping.dmp

                                • memory/4616-149-0x0000000000000000-mapping.dmp

                                • memory/5116-150-0x0000000000000000-mapping.dmp