Analysis

  • max time kernel
    131s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 10:19

General

  • Target
    AaronGiles(1).exe
  • Size 10.0MB
  • Sample241120-mchewsvemd
  • SHA256 f64bc188c245bf2bc9f191521eaeec61a67429feaddf08e9706e2c00f9608fbb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 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 9 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AaronGiles(1).exe
    "C:\Users\Admin\AppData\Local\Temp\AaronGiles(1).exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Users\Admin\AppData\Local\Temp\is-LA7DH.tmp\AaronGiles(1).tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LA7DH.tmp\AaronGiles(1).tmp" /SL5="$80236,2983660,873472,C:\Users\Admin\AppData\Local\Temp\AaronGiles(1).exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1856
      • C:\Users\Admin\AppData\Local\Temp\AaronGiles(1).exe
        "C:\Users\Admin\AppData\Local\Temp\AaronGiles(1).exe" /VERYSILENT
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4604
        • C:\Users\Admin\AppData\Local\Temp\is-A6KOG.tmp\AaronGiles(1).tmp
          "C:\Users\Admin\AppData\Local\Temp\is-A6KOG.tmp\AaronGiles(1).tmp" /SL5="$90236,2983660,873472,C:\Users\Admin\AppData\Local\Temp\AaronGiles(1).exe" /VERYSILENT
          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:1668
          • 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:3676
            • C:\Windows\system32\tasklist.exe
              tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH
              6⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2168
            • C:\Windows\system32\find.exe
              find /I "wrsa.exe"
              6⤵
                PID:1576
            • 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:3096
              • C:\Windows\system32\tasklist.exe
                tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH
                6⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:3984
              • C:\Windows\system32\find.exe
                find /I "opssvc.exe"
                6⤵
                  PID:1868
              • 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:3520
                • C:\Windows\system32\tasklist.exe
                  tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH
                  6⤵
                  • Enumerates processes with tasklist
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4320
                • C:\Windows\system32\find.exe
                  find /I "avastui.exe"
                  6⤵
                    PID:4856
                • 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:3964
                  • C:\Windows\system32\tasklist.exe
                    tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH
                    6⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:904
                  • C:\Windows\system32\find.exe
                    find /I "avgui.exe"
                    6⤵
                      PID:3308
                  • 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:3488
                    • C:\Windows\system32\tasklist.exe
                      tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH
                      6⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:856
                    • C:\Windows\system32\find.exe
                      find /I "nswscsvc.exe"
                      6⤵
                        PID:2900
                    • 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:4460
                      • C:\Windows\system32\tasklist.exe
                        tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH
                        6⤵
                        • Enumerates processes with tasklist
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1700
                      • C:\Windows\system32\find.exe
                        find /I "sophoshealth.exe"
                        6⤵
                          PID:1636
                      • C:\Users\Admin\AppData\Local\Aaron\Updater.exe
                        "C:\Users\Admin\AppData\Local\Aaron\\Updater.exe" "C:\Users\Admin\AppData\Local\Aaron\\invalidship.csv"
                        5⤵
                        • Checks computer location settings
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:2476
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c ping -n 5 127.0.0.1 >nul && updater.exe C:\ProgramData\\eMOpGpWw7.a3x && del C:\ProgramData\\eMOpGpWw7.a3x
                          6⤵
                          • System Location Discovery: System Language Discovery
                          • System Network Configuration Discovery: Internet Connection Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:1588
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 5 127.0.0.1
                            7⤵
                            • System Location Discovery: System Language Discovery
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3048
                          • C:\Users\Admin\AppData\Local\Aaron\Updater.exe
                            updater.exe C:\ProgramData\\eMOpGpWw7.a3x
                            7⤵
                            • Executes dropped EXE
                            • Adds Run key to start application
                            • Suspicious use of SetThreadContext
                            • System Location Discovery: System Language Discovery
                            • Checks processor information in registry
                            • Suspicious use of WriteProcessMemory
                            PID:2612
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                              C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                              8⤵
                                PID:3480
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                                C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                                8⤵
                                • System Location Discovery: System Language Discovery
                                • Suspicious use of AdjustPrivilegeToken
                                PID:4560

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      Updater.exe

                      • Path C:\Users\Admin\AppData\Local\Aaron\Updater.exe
                      • Size 921KB
                      • SHA256 1da298cab4d537b0b7b5dabf09bff6a212b9e45731e0cc772f99026005fb9e48
                      • MD5 SHA1 SHA512 SSDEEP

                      invalidship.csv

                      • Path C:\Users\Admin\AppData\Local\Aaron\invalidship.csv
                      • Size 59KB
                      • SHA256 395fb848248b5439a5512d28f523c6d845c14aa6b8095efeaa9746da04a51100
                      • MD5 SHA1 SHA512 SSDEEP

                      invalidship.gif

                      • Path C:\Users\Admin\AppData\Local\Aaron\invalidship.gif
                      • Size 517KB
                      • SHA256 dae7faa86bb0a107867f0b0ac2073574850548c139804fcb9cea2b8f1cc8787f
                      • MD5 SHA1 SHA512 SSDEEP

                      _isdecmp.dll

                      • Path C:\Users\Admin\AppData\Local\Temp\is-06GA4.tmp\_isetup\_isdecmp.dll
                      • Size 28KB
                      • SHA256 8287d0e287a66ee78537c8d1d98e426562b95c50f569b92cea9ce36a9fa57e64
                      • MD5 SHA1 SHA512 SSDEEP

                      AaronGiles(1).tmp

                      • Path C:\Users\Admin\AppData\Local\Temp\is-LA7DH.tmp\AaronGiles(1).tmp
                      • Size 3.2MB
                      • SHA256 61a565ce5f393ae29b22cf0d1ce4024a351ec080b849f984fa86d9bbee9af861
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/224-2-0x0000000000E81000-0x0000000000F29000-memory.dmp

                      memory/224-0-0x0000000000E80000-0x0000000000F63000-memory.dmp

                      memory/224-19-0x0000000000E80000-0x0000000000F63000-memory.dmp

                      memory/1668-23-0x00000000035E0000-0x00000000035E1000-memory.dmp

                      memory/1668-61-0x0000000000920000-0x0000000000C62000-memory.dmp

                      memory/1856-17-0x0000000000090000-0x00000000003D2000-memory.dmp

                      memory/1856-6-0x0000000001070000-0x0000000001071000-memory.dmp

                      memory/4560-74-0x0000000000400000-0x000000000045E000-memory.dmp

                      memory/4560-75-0x0000000000400000-0x000000000045E000-memory.dmp

                      memory/4560-76-0x0000000005710000-0x00000000057CC000-memory.dmp

                      memory/4560-77-0x0000000005F00000-0x0000000006518000-memory.dmp

                      memory/4560-78-0x0000000005990000-0x00000000059F6000-memory.dmp

                      memory/4604-15-0x0000000000E80000-0x0000000000F63000-memory.dmp

                      memory/4604-64-0x0000000000E80000-0x0000000000F63000-memory.dmp