Analysis

  • max time kernel
    82s
  • max time network
    87s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 15:16

General

  • Target
    Installer.exe
  • Size 165.3MB
  • Sample240509-snv31sbd49
  • SHA256 7e6a34eb765d6a834b8dbdacd69a94180852d06816cc46ed5e7fee34a32c9752
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://babycandidateoswp.shop/api

  • https://acceptabledcooeprs.shop/api

  • https://obsceneclassyjuwks.shop/api

  • https://zippyfinickysofwps.shop/api

  • https://miniaturefinerninewjs.shop/api

  • https://plaintediousidowsko.shop/api

  • https://sweetsquarediaslw.shop/api

  • https://holicisticscrarws.shop/api

  • https://boredimperissvieos.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2940
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3692
    • C:\Users\Admin\AppData\Local\Temp\Installer.exe
      "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
      1⤵
      • Checks computer location settings
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:/Program Files/launcher289'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4736
      • C:\Program Files\launcher289\connection1404.exe
        "C:\Program Files\launcher289\connection1404.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4092
        • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
          C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
          3⤵
            PID:4536
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Add-MpPreference -ExclusionPath 'C:/Program Files/launcher289'
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4264
        • C:\Program Files\launcher289\update1404.exe
          "C:\Program Files\launcher289\update1404.exe"
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4432
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 616
            3⤵
            • Program crash
            PID:2192
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Add-MpPreference -ExclusionPath 'C:/Program Files/launcher289'
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4432 -ip 4432
        1⤵
          PID:4592

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              connection1404.exe

              • Path C:\Program Files\launcher289\connection1404.exe
              • Size 22.9MB
              • SHA256 d0d37ef51f82e373268bbfbb7c5ca384676c7a42e31e3e4aa44e072dd776e72b
              • MD5 SHA1 SHA512 SSDEEP

              update1404.exe

              • Path C:\Program Files\launcher289\update1404.exe
              • Size 537KB
              • SHA256 5d130be35a463bdb29cb5fac2192c45752b8efc70c092c809632c7a222f67985
              • MD5 SHA1 SHA512 SSDEEP

              powershell.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
              • Size 2KB
              • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
              • MD5 SHA1 SHA512

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 944B
              • SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
              • MD5 SHA1 SHA512

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 944B
              • SHA256 c0997b01ec52ab8d78463c08d43959951ea75b97cc4be1207dcf63f2568b0177
              • MD5 SHA1 SHA512

              D3DCompiler_47_cor3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\.net\Installer\shuc1xRJUqTHSuJyeEIHwwt0f3uEtgw=\D3DCompiler_47_cor3.dll
              • Size 4.7MB
              • SHA256 af7b99be1b8770c0e4d18e43b04e81d11bdeb667fa6b07ade7a88f4c5676bf9a
              • MD5 SHA1 SHA512 SSDEEP

              PresentationNative_cor3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\.net\Installer\shuc1xRJUqTHSuJyeEIHwwt0f3uEtgw=\PresentationNative_cor3.dll
              • Size 1.2MB
              • SHA256 e284235a4d6e5d905692351cdfe8bc42ed842df8e5a8eb42fde90d1c3e2e90fa
              • MD5 SHA1 SHA512 SSDEEP

              wpfgfx_cor3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\.net\Installer\shuc1xRJUqTHSuJyeEIHwwt0f3uEtgw=\wpfgfx_cor3.dll
              • Size 1.9MB
              • SHA256 9c3fdfb42c920bf26f0fbeaee9a63a3d23b1cb35245320af48c69af4e933a606
              • MD5 SHA1 SHA512 SSDEEP

              __PSScriptPolicyTest_x30x2epv.w0v.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x30x2epv.w0v.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512

              memory/3692-73-0x00000000755F0000-0x0000000075805000-memory.dmp

              memory/3692-71-0x00007FFCD3AF0000-0x00007FFCD3CE5000-memory.dmp

              memory/3692-68-0x0000000000EF0000-0x0000000000EF9000-memory.dmp

              memory/3692-70-0x0000000002A60000-0x0000000002E60000-memory.dmp

              memory/4092-62-0x00007FF606D50000-0x00007FF6084A9000-memory.dmp

              memory/4092-57-0x00007FF606D50000-0x00007FF6084A9000-memory.dmp

              memory/4432-64-0x00000000033F0000-0x00000000037F0000-memory.dmp

              memory/4432-63-0x00000000033F0000-0x00000000037F0000-memory.dmp

              memory/4432-65-0x00007FFCD3AF0000-0x00007FFCD3CE5000-memory.dmp

              memory/4432-67-0x00000000755F0000-0x0000000075805000-memory.dmp

              memory/4536-60-0x0000000000E60000-0x0000000000EB7000-memory.dmp

              memory/4536-61-0x0000000000E60000-0x0000000000EB7000-memory.dmp

              memory/4736-28-0x00007FFCB36D0000-0x00007FFCB4191000-memory.dmp

              memory/4736-25-0x00007FFCB36D0000-0x00007FFCB4191000-memory.dmp

              memory/4736-24-0x00007FFCB36D0000-0x00007FFCB4191000-memory.dmp

              memory/4736-16-0x000002184C4F0000-0x000002184C512000-memory.dmp

              memory/4736-13-0x00007FFCB36D3000-0x00007FFCB36D5000-memory.dmp