Resubmissions

23/06/2024, 12:25

240623-plnpdazele10

23/06/2024, 11:45

240623-nw8lvszalc10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/06/2024, 12:25

General

  • Target
    FieroHack.exe
  • Size 39.2MB
  • Sample240623-plnpdazele
  • SHA256 ec7d96e3c629e12e1940eb0f793233cb777493d0949cddf9812b44d0bdef7795
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 8 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 13 IoCs

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

  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • 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).

  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FieroHack.exe
    "C:\Users\Admin\AppData\Local\Temp\FieroHack.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:512
    • 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:4160
      • 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:4608
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3584
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
            PID:4216
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          3⤵
          • Launches sc.exe
          PID:2892
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          3⤵
          • Launches sc.exe
          PID:3264
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          3⤵
          • Launches sc.exe
          PID:1880
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          3⤵
          • Launches sc.exe
          PID:540
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          3⤵
          • Launches sc.exe
          PID:4348
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1724
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2308
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4804
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:232
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe delete "BFFESVJT"
          3⤵
          • Launches sc.exe
          PID:1196
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe create "BFFESVJT" binpath= "C:\ProgramData\wdcnrrcmzwhi\leirdnhqqedj.exe" start= "auto"
          3⤵
          • Launches sc.exe
          PID:3300
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop eventlog
          3⤵
          • Launches sc.exe
          PID:1716
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start "BFFESVJT"
          3⤵
          • Launches sc.exe
          PID:3976
        • 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:2000
          • C:\Windows\system32\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
              PID:3424
        • 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:2240
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
              PID:5108
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 324
              3⤵
              • Program crash
              PID:1852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2240 -ip 2240
          1⤵
            PID:3344
          • C:\ProgramData\wdcnrrcmzwhi\leirdnhqqedj.exe
            C:\ProgramData\wdcnrrcmzwhi\leirdnhqqedj.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:2484
            • 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:4880
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2320
              • C:\Windows\system32\wusa.exe
                wusa /uninstall /kb:890830 /quiet /norestart
                3⤵
                  PID:4576
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop UsoSvc
                2⤵
                • Launches sc.exe
                PID:216
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop WaaSMedicSvc
                2⤵
                • Launches sc.exe
                PID:1848
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop wuauserv
                2⤵
                • Launches sc.exe
                PID:4356
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop bits
                2⤵
                • Launches sc.exe
                PID:1172
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe stop dosvc
                2⤵
                • Launches sc.exe
                PID:4896
              • C:\Windows\system32\powercfg.exe
                C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
                2⤵
                • Power Settings
                • Suspicious use of AdjustPrivilegeToken
                PID:4448
              • C:\Windows\system32\powercfg.exe
                C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
                2⤵
                • Power Settings
                • Suspicious use of AdjustPrivilegeToken
                PID:4368
              • C:\Windows\system32\powercfg.exe
                C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
                2⤵
                • Power Settings
                • Suspicious use of AdjustPrivilegeToken
                PID:4464
              • C:\Windows\system32\powercfg.exe
                C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
                2⤵
                • Power Settings
                • Suspicious use of AdjustPrivilegeToken
                PID:5032
              • C:\Windows\system32\conhost.exe
                C:\Windows\system32\conhost.exe
                2⤵
                  PID:4440
                • C:\Windows\explorer.exe
                  explorer.exe
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2156

              Network

                    MITRE ATT&CK Enterprise v15

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                    Downloads

                    __PSScriptPolicyTest_unazu1gp.r0o.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_unazu1gp.r0o.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512

                    memory/2156-115-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-116-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-110-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-106-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-107-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-108-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-105-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-112-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-109-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-114-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-122-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-113-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2156-111-0x00000000018E0000-0x0000000001900000-memory.dmp

                    memory/2156-104-0x0000000140000000-0x0000000140848000-memory.dmp

                    memory/2240-28-0x0000000001100000-0x0000000001101000-memory.dmp

                    memory/2484-58-0x00007FF7BCA80000-0x00007FF7BCFC0000-memory.dmp

                    memory/2484-120-0x00007FFA15950000-0x00007FFA159EE000-memory.dmp

                    memory/2484-118-0x00007FFA16BD0000-0x00007FFA16DC5000-memory.dmp

                    memory/2484-119-0x00007FFA147A0000-0x00007FFA14A69000-memory.dmp

                    memory/2484-121-0x00007FF7BCA80000-0x00007FF7BCFC0000-memory.dmp

                    memory/2484-56-0x00007FF7BCA80000-0x00007FF7BCFC0000-memory.dmp

                    memory/2484-59-0x00007FF7BCA80000-0x00007FF7BCFC0000-memory.dmp

                    memory/2484-65-0x00007FFA15950000-0x00007FFA159EE000-memory.dmp

                    memory/2484-61-0x00000222D21A0000-0x00000222D21E7000-memory.dmp

                    memory/2484-60-0x00007FF7BCA80000-0x00007FF7BCFC0000-memory.dmp

                    memory/2484-57-0x00007FF7BCA80000-0x00007FF7BCFC0000-memory.dmp

                    memory/4160-10-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-42-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-49-0x00007FFA147A0000-0x00007FFA14A69000-memory.dmp

                    memory/4160-51-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-52-0x00007FF6301A1000-0x00007FF630450000-memory.dmp

                    memory/4160-4-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-50-0x00007FFA15950000-0x00007FFA159EE000-memory.dmp

                    memory/4160-5-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-7-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-6-0x00007FF6301A1000-0x00007FF630450000-memory.dmp

                    memory/4160-8-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-11-0x00000138AAC80000-0x00000138AACC7000-memory.dmp

                    memory/4160-23-0x00007FFA16BD0000-0x00007FFA16DC5000-memory.dmp

                    memory/4160-16-0x00000138A93C0000-0x00000138A93C1000-memory.dmp

                    memory/4160-15-0x00007FFA15950000-0x00007FFA159EE000-memory.dmp

                    memory/4160-22-0x00007FF62FF10000-0x00007FF630450000-memory.dmp

                    memory/4160-46-0x00007FFA15950000-0x00007FFA159EE000-memory.dmp

                    memory/4160-48-0x00007FFA16BD0000-0x00007FFA16DC5000-memory.dmp

                    memory/4160-24-0x00007FFA147A0000-0x00007FFA14A69000-memory.dmp

                    memory/4160-27-0x00007FFA15950000-0x00007FFA159EE000-memory.dmp

                    memory/4440-96-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/4440-99-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/4440-103-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/4440-100-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/4440-97-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/4440-98-0x0000000140000000-0x000000014000E000-memory.dmp

                    memory/4608-35-0x00000201C9540000-0x00000201C9562000-memory.dmp

                    memory/4880-91-0x0000020CFB720000-0x0000020CFB728000-memory.dmp

                    memory/4880-93-0x0000020CFB780000-0x0000020CFB78A000-memory.dmp

                    memory/4880-92-0x0000020CFB730000-0x0000020CFB736000-memory.dmp

                    memory/4880-90-0x0000020CFB760000-0x0000020CFB77A000-memory.dmp

                    memory/4880-89-0x0000020CFB2B0000-0x0000020CFB2BA000-memory.dmp

                    memory/4880-88-0x0000020CFB740000-0x0000020CFB75C000-memory.dmp

                    memory/4880-87-0x0000020CFB2A0000-0x0000020CFB2AA000-memory.dmp

                    memory/4880-86-0x0000020CFB520000-0x0000020CFB5D5000-memory.dmp

                    memory/4880-85-0x0000020CFB500000-0x0000020CFB51C000-memory.dmp

                    memory/5108-26-0x0000000000400000-0x0000000000457000-memory.dmp

                    memory/5108-53-0x0000000000400000-0x0000000000457000-memory.dmp

                    memory/5108-21-0x0000000000400000-0x0000000000457000-memory.dmp

                    memory/5108-29-0x0000000000400000-0x0000000000457000-memory.dmp