Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20/08/2024, 11:38

General

  • Target

    Setup.exe

  • Size

    13.8MB

  • MD5

    c2e7bc36cece182777218c4ecf80221b

  • SHA1

    efa9720f1f9958df679b20a855a0c1d462204fcc

  • SHA256

    62bd169a33d75b7f682c786a8639cc867d4be43628def65757c31c1efd5c4905

  • SHA512

    e83a89f7f9eba92deccbc772b43d99021d0715c7d29a8ad5f212ff289ca1d787bd3a1ba383b429ef49459363393d88b132bf722ec4514087059106fbe6db029f

  • SSDEEP

    393216:+1ECk1gOQf/BvJ5+zrGPdBgNNmH+SS8XRzS9JJ4EybE03:zCk1GBhIzsnS5SS8XRzsJ1yA03

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Users\Admin\AppData\Local\Temp\is-9H2D8.tmp\Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9H2D8.tmp\Setup.tmp" /SL5="$501E6,10143287,735744,C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4076
      • C:\Users\Admin\AppData\Local\Temp\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\Setup.exe" /VERYSILENT /NORESTART
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Users\Admin\AppData\Local\Temp\is-F728Q.tmp\Setup.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-F728Q.tmp\Setup.tmp" /SL5="$601E6,10143287,735744,C:\Users\Admin\AppData\Local\Temp\Setup.exe" /VERYSILENT /NORESTART
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3164
          • C:\Windows\system32\cmd.exe
            "cmd.exe" /C tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH | find /I "wrsa.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3760
            • C:\Windows\system32\tasklist.exe
              tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH
              6⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2088
            • C:\Windows\system32\find.exe
              find /I "wrsa.exe"
              6⤵
                PID:4864
            • C:\Windows\system32\cmd.exe
              "cmd.exe" /C tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH | find /I "opssvc.exe"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:2132
              • C:\Windows\system32\tasklist.exe
                tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH
                6⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:3036
              • C:\Windows\system32\find.exe
                find /I "opssvc.exe"
                6⤵
                  PID:356
              • C:\Windows\system32\cmd.exe
                "cmd.exe" /C tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH | find /I "avastui.exe"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:3768
                • C:\Windows\system32\tasklist.exe
                  tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH
                  6⤵
                  • Enumerates processes with tasklist
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1984
                • C:\Windows\system32\find.exe
                  find /I "avastui.exe"
                  6⤵
                    PID:5032
                • C:\Windows\system32\cmd.exe
                  "cmd.exe" /C tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH | find /I "avgui.exe"
                  5⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3584
                  • C:\Windows\system32\tasklist.exe
                    tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH
                    6⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3184
                  • C:\Windows\system32\find.exe
                    find /I "avgui.exe"
                    6⤵
                      PID:2320
                  • C:\Windows\system32\cmd.exe
                    "cmd.exe" /C tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH | find /I "nswscsvc.exe"
                    5⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1576
                    • C:\Windows\system32\tasklist.exe
                      tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH
                      6⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3004
                    • C:\Windows\system32\find.exe
                      find /I "nswscsvc.exe"
                      6⤵
                        PID:2984
                    • C:\Windows\system32\cmd.exe
                      "cmd.exe" /C tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH | find /I "sophoshealth.exe"
                      5⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4704
                      • C:\Windows\system32\tasklist.exe
                        tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH
                        6⤵
                        • Enumerates processes with tasklist
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4908
                      • C:\Windows\system32\find.exe
                        find /I "sophoshealth.exe"
                        6⤵
                          PID:4568
                      • C:\Users\Admin\AppData\Local\infusoriform\file.exe
                        "C:\Users\Admin\AppData\Local\infusoriform\\file.exe" "C:\Users\Admin\AppData\Local\infusoriform\\OinkCrust.a3x"
                        5⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Checks processor information in registry
                        • Suspicious use of WriteProcessMemory
                        PID:4836
                        • C:\temp\StrCmp.exe
                          "C:\temp\StrCmp.exe"
                          6⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          • Modifies registry class
                          • Suspicious use of SetWindowsHookEx
                          PID:1112
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                          6⤵
                            PID:3788
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                            C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                            6⤵
                              PID:704
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                              C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                              6⤵
                              • System Location Discovery: System Language Discovery
                              PID:1964

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\is-9H2D8.tmp\Setup.tmp

                          Filesize

                          2.9MB

                          MD5

                          6503a172502e252a5f5f96bd2e8e6cd7

                          SHA1

                          10f85c242ffd8997c1e46e9b1afef3f04e5f73bb

                          SHA256

                          da584a9a7ff4100f97b3a07f323c49fad89512c251d5e505ba501fc1e131b3b0

                          SHA512

                          2e62f589f453c2bf252c00c6ba4b2c3e82a96c84d62db703bffe9e768da69ec67e2785cbaef6b577c7d22d7ec90d1dae36347a8d2eb3a3b1ac4bb83c001cc679

                        • C:\Users\Admin\AppData\Local\Temp\is-IBTAH.tmp\_isetup\_iscrypt.dll

                          Filesize

                          2KB

                          MD5

                          a69559718ab506675e907fe49deb71e9

                          SHA1

                          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

                          SHA256

                          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

                          SHA512

                          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

                        • C:\Users\Admin\AppData\Local\infusoriform\OinkCrust.a3x

                          Filesize

                          494KB

                          MD5

                          089ba3f8c49e5c5656baa22951dadaa7

                          SHA1

                          15d24c50c7c41700b57673a85d82cf337a872648

                          SHA256

                          d1c39c1a5bb19f5ba4ef36cedbd3ad1c8cafc83e658230c0efd77b105510bbae

                          SHA512

                          0d4c8e374a44248fda567d7449fc8b76282e0c9341f7dc47c8887e6ea7cc085e54429079829b8cfb745aef53c1036772255774614ddeeec3baafa7600474e174

                        • C:\Users\Admin\AppData\Local\infusoriform\file.exe

                          Filesize

                          921KB

                          MD5

                          3f58a517f1f4796225137e7659ad2adb

                          SHA1

                          e264ba0e9987b0ad0812e5dd4dd3075531cfe269

                          SHA256

                          1da298cab4d537b0b7b5dabf09bff6a212b9e45731e0cc772f99026005fb9e48

                          SHA512

                          acf740aafce390d06c6a76c84e7ae7c0f721731973aadbe3e57f2eb63241a01303cc6bf11a3f9a88f8be0237998b5772bdaf569137d63ba3d0f877e7d27fc634

                        • C:\temp\StrCmp.exe

                          Filesize

                          47KB

                          MD5

                          916d7425a559aaa77f640710a65f9182

                          SHA1

                          23d25052aef9ba71ddeef7cfa86ee43d5ba1ea13

                          SHA256

                          118de01fb498e81eab4ade980a621af43b52265a9fcbae5dedc492cdf8889f35

                          SHA512

                          d0c260a0347441b4e263da52feb43412df217c207eba594d59c10ee36e47e1a098b82ce633851c16096b22f4a4a6f8282bdd23d149e337439fe63a77ec7343bc

                        • memory/1964-183-0x0000000000400000-0x000000000044C000-memory.dmp

                          Filesize

                          304KB

                        • memory/1964-184-0x0000000000400000-0x000000000044C000-memory.dmp

                          Filesize

                          304KB

                        • memory/2608-13-0x0000000000400000-0x00000000004C2000-memory.dmp

                          Filesize

                          776KB

                        • memory/2608-17-0x0000000000400000-0x00000000004C2000-memory.dmp

                          Filesize

                          776KB

                        • memory/2608-177-0x0000000000400000-0x00000000004C2000-memory.dmp

                          Filesize

                          776KB

                        • memory/3164-173-0x0000000000400000-0x00000000006F5000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4052-0-0x0000000000400000-0x00000000004C2000-memory.dmp

                          Filesize

                          776KB

                        • memory/4052-19-0x0000000000400000-0x00000000004C2000-memory.dmp

                          Filesize

                          776KB

                        • memory/4052-2-0x0000000000401000-0x00000000004A9000-memory.dmp

                          Filesize

                          672KB

                        • memory/4076-16-0x0000000000400000-0x00000000006F5000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/4076-10-0x0000000000400000-0x00000000006F5000-memory.dmp

                          Filesize

                          3.0MB