Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 09:10

General

  • Target
    Melonity_Installer v3.6/FieroHack.exe
  • Size 676.4MB
  • Sample240603-k46kpaba76
  • SHA256 c5ed1194d94fbc6c3911d8aea305db8a17558ac6ce81be769f14f4935be5a57e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://horsedwollfedrwos.shop/api

  • https://patternapplauderw.shop/api

  • https://understanndtytonyguw.shop/api

  • https://considerrycurrentyws.shop/api

  • https://messtimetabledkolvk.shop/api

  • https://detailbaconroollyws.shop/api

  • https://deprivedrinkyfaiir.shop/api

  • https://relaxtionflouwerwi.shop/api

Signatures

  • Lumma Stealer

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

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 9 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Creates new service(s) 2 TTPs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Launches sc.exe 14 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Melonity_Installer v3.6\FieroHack.exe
    "C:\Users\Admin\AppData\Local\Temp\Melonity_Installer v3.6\FieroHack.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Roaming\WeMod.exe
      C:\Users\Admin\AppData\Roaming\WeMod.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2868
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2244
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1560
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
            PID:4028
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          3⤵
          • Launches sc.exe
          PID:2052
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          3⤵
          • Launches sc.exe
          PID:1712
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          3⤵
          • Launches sc.exe
          PID:1540
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          3⤵
          • Launches sc.exe
          PID:4824
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          3⤵
          • Launches sc.exe
          PID:1936
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe delete "XSCBRMEY"
          3⤵
          • Launches sc.exe
          PID:412
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe create "XSCBRMEY" binpath= "C:\ProgramData\orwwutmmawzi\rrmtijzbwjtr.exe" start= "auto"
          3⤵
          • Launches sc.exe
          PID:2112
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop eventlog
          3⤵
          • Launches sc.exe
          PID:4800
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start "XSCBRMEY"
          3⤵
          • Launches sc.exe
          PID:1236
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Roaming\WeMod.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3012
          • C:\Windows\system32\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
              PID:3544
        • C:\Users\Admin\AppData\Roaming\Sirus.exe
          C:\Users\Admin\AppData\Roaming\Sirus.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4696
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
              PID:4940
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              3⤵
                PID:372
          • C:\ProgramData\orwwutmmawzi\rrmtijzbwjtr.exe
            C:\ProgramData\orwwutmmawzi\rrmtijzbwjtr.exe
            1⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:892
            • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
              2⤵
              • Command and Scripting Interpreter: PowerShell
              • Drops file in System32 directory
              • Modifies data under HKEY_USERS
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4888
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4264
              • C:\Windows\system32\wusa.exe
                wusa /uninstall /kb:890830 /quiet /norestart
                3⤵
                  PID:796
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop UsoSvc
                2⤵
                • Launches sc.exe
                PID:2808
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop WaaSMedicSvc
                2⤵
                • Launches sc.exe
                PID:1684
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop wuauserv
                2⤵
                • Launches sc.exe
                PID:5032
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop bits
                2⤵
                • Launches sc.exe
                PID:2788
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop dosvc
                2⤵
                • Launches sc.exe
                PID:4940
              • C:\Windows\system32\conhost.exe
                C:\Windows\system32\conhost.exe
                2⤵
                  PID:3228
                • C:\Windows\explorer.exe
                  explorer.exe
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4660

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    __PSScriptPolicyTest_lqzrc3ol.5xg.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lqzrc3ol.5xg.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512

                    memory/372-27-0x0000000000400000-0x0000000000457000-memory.dmp

                    memory/372-26-0x0000000000400000-0x0000000000457000-memory.dmp

                    memory/372-23-0x0000000000400000-0x0000000000457000-memory.dmp

                    memory/372-32-0x0000000000400000-0x0000000000457000-memory.dmp

                    memory/892-119-0x00007FF62B8B0000-0x00007FF62BDEF000-memory.dmp

                    memory/892-55-0x00007FF62B8B0000-0x00007FF62BDEF000-memory.dmp

                    memory/892-54-0x00007FF62B8B0000-0x00007FF62BDEF000-memory.dmp

                    memory/892-56-0x00007FF62B8B0000-0x00007FF62BDEF000-memory.dmp

                    memory/892-59-0x0000021989480000-0x00000219894C7000-memory.dmp

                    memory/892-57-0x00007FF62B8B0000-0x00007FF62BDEF000-memory.dmp

                    memory/892-58-0x00007FF62B8B0000-0x00007FF62BDEF000-memory.dmp

                    memory/892-63-0x00007FF9F5F60000-0x00007FF9F5FFE000-memory.dmp

                    memory/892-118-0x00007FF9F5F60000-0x00007FF9F5FFE000-memory.dmp

                    memory/892-117-0x00007FF9F4E10000-0x00007FF9F50D9000-memory.dmp

                    memory/892-116-0x00007FF9F73B0000-0x00007FF9F75A5000-memory.dmp

                    memory/2244-33-0x00000274A8760000-0x00000274A8782000-memory.dmp

                    memory/2868-31-0x00007FF9F5F60000-0x00007FF9F5FFE000-memory.dmp

                    memory/2868-10-0x000001D4A1E10000-0x000001D4A1E57000-memory.dmp

                    memory/2868-28-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-4-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-29-0x00007FF9F73B0000-0x00007FF9F75A5000-memory.dmp

                    memory/2868-6-0x00007FF7DDC10000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-47-0x00007FF9F73B0000-0x00007FF9F75A5000-memory.dmp

                    memory/2868-50-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-51-0x00007FF7DDC10000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-49-0x00007FF9F5F60000-0x00007FF9F5FFE000-memory.dmp

                    memory/2868-48-0x00007FF9F4E10000-0x00007FF9F50D9000-memory.dmp

                    memory/2868-7-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-30-0x00007FF9F4E10000-0x00007FF9F50D9000-memory.dmp

                    memory/2868-15-0x00007FF9F5F60000-0x00007FF9F5FFE000-memory.dmp

                    memory/2868-16-0x000001D4A1E80000-0x000001D4A1E81000-memory.dmp

                    memory/2868-5-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-9-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-13-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/2868-8-0x00007FF7DD980000-0x00007FF7DDEBF000-memory.dmp

                    memory/3228-97-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/3228-98-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/3228-94-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/3228-101-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/3228-95-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/3228-96-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/4660-114-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-107-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-121-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-120-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-102-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-103-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-109-0x0000000000BB0000-0x0000000000BD0000-memory.dmp

                    memory/4660-108-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-106-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-110-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-105-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-113-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-104-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-112-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4660-111-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/4696-24-0x00000000009F0000-0x00000000009F1000-memory.dmp

                    memory/4696-22-0x00000000009F0000-0x00000000009F1000-memory.dmp

                    memory/4696-21-0x00000000009F0000-0x00000000009F1000-memory.dmp

                    memory/4888-83-0x000002642E660000-0x000002642E67C000-memory.dmp

                    memory/4888-91-0x000002642E8E0000-0x000002642E8EA000-memory.dmp

                    memory/4888-84-0x000002642E680000-0x000002642E735000-memory.dmp

                    memory/4888-88-0x000002642E8F0000-0x000002642E90A000-memory.dmp

                    memory/4888-87-0x000002642E890000-0x000002642E89A000-memory.dmp

                    memory/4888-86-0x000002642E8B0000-0x000002642E8CC000-memory.dmp

                    memory/4888-85-0x000002642E740000-0x000002642E74A000-memory.dmp

                    memory/4888-89-0x000002642E8A0000-0x000002642E8A8000-memory.dmp

                    memory/4888-90-0x000002642E8D0000-0x000002642E8D6000-memory.dmp