Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2024, 02:22

General

  • Target

    3829cf00079dd383532ac6637444081a9752f77d186dbdcbafcc44ddde0d9cf3.exe

  • Size

    2.5MB

  • MD5

    9b1749c1bb9e8a354404b8a57de68ec6

  • SHA1

    4c8838d22efc926551be0e77ecd1e6a68e15f6c4

  • SHA256

    3829cf00079dd383532ac6637444081a9752f77d186dbdcbafcc44ddde0d9cf3

  • SHA512

    9e83796791fb49c0ee6592cad4a294b86eb6ec624385f3df8e040f9baf545071637167d4c5ee6e9da17aad4f96251fc09da71282ef7341f1d91d3fc78e2059ea

  • SSDEEP

    49152:4FUPj9hHjc2Hil9gJaEgCR37gGVMISw6RtmGNIOLD1ciNKWI2O6xYWb3Kuz/+n:77vHM9gJaFCRPS3f7LrrOaYY6u8

Malware Config

Signatures

  • Xmrig family
  • 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 1 IoCs
  • 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 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 14 IoCs

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

  • Launches sc.exe 4 IoCs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3829cf00079dd383532ac6637444081a9752f77d186dbdcbafcc44ddde0d9cf3.exe
    "C:\Users\Admin\AppData\Local\Temp\3829cf00079dd383532ac6637444081a9752f77d186dbdcbafcc44ddde0d9cf3.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4044
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4532
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3208
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:3084
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4732
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1016
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2996
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1800
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "TASJBGYW"
        2⤵
        • Launches sc.exe
        PID:4788
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "TASJBGYW" binpath= "C:\ProgramData\teffcbdgtnay\lzsbffridksl.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:2992
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:2200
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "TASJBGYW"
        2⤵
        • Launches sc.exe
        PID:1744
    • C:\ProgramData\teffcbdgtnay\lzsbffridksl.exe
      C:\ProgramData\teffcbdgtnay\lzsbffridksl.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3776
      • 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:468
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4420
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:4436
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1940
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1508
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:388
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4780
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:4256
          • C:\Windows\system32\svchost.exe
            svchost.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:648

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\teffcbdgtnay\lzsbffridksl.exe

          Filesize

          2.5MB

          MD5

          9b1749c1bb9e8a354404b8a57de68ec6

          SHA1

          4c8838d22efc926551be0e77ecd1e6a68e15f6c4

          SHA256

          3829cf00079dd383532ac6637444081a9752f77d186dbdcbafcc44ddde0d9cf3

          SHA512

          9e83796791fb49c0ee6592cad4a294b86eb6ec624385f3df8e040f9baf545071637167d4c5ee6e9da17aad4f96251fc09da71282ef7341f1d91d3fc78e2059ea

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u4jlprs4.dyv.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/468-41-0x000001EDC64B0000-0x000001EDC64BA000-memory.dmp

          Filesize

          40KB

        • memory/468-45-0x000001EDC6500000-0x000001EDC650A000-memory.dmp

          Filesize

          40KB

        • memory/468-44-0x000001EDC64F0000-0x000001EDC64F6000-memory.dmp

          Filesize

          24KB

        • memory/468-43-0x000001EDC64C0000-0x000001EDC64C8000-memory.dmp

          Filesize

          32KB

        • memory/468-42-0x000001EDC6510000-0x000001EDC652A000-memory.dmp

          Filesize

          104KB

        • memory/468-37-0x000001EDC6280000-0x000001EDC629C000-memory.dmp

          Filesize

          112KB

        • memory/468-38-0x000001EDC62A0000-0x000001EDC6355000-memory.dmp

          Filesize

          724KB

        • memory/468-39-0x000001EDC6360000-0x000001EDC636A000-memory.dmp

          Filesize

          40KB

        • memory/468-40-0x000001EDC64D0000-0x000001EDC64EC000-memory.dmp

          Filesize

          112KB

        • memory/648-65-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-60-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-70-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-69-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-68-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-58-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-56-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-59-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-64-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-62-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-66-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-57-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-63-0x0000026CFDB70000-0x0000026CFDB90000-memory.dmp

          Filesize

          128KB

        • memory/648-61-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/648-67-0x0000000140000000-0x0000000140835000-memory.dmp

          Filesize

          8.2MB

        • memory/4256-55-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4256-50-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4256-51-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4256-52-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4256-49-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4256-48-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4532-0-0x00007FFCC7F03000-0x00007FFCC7F05000-memory.dmp

          Filesize

          8KB

        • memory/4532-15-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

          Filesize

          10.8MB

        • memory/4532-6-0x000001F88F1B0000-0x000001F88F1D2000-memory.dmp

          Filesize

          136KB

        • memory/4532-11-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

          Filesize

          10.8MB

        • memory/4532-12-0x00007FFCC7F00000-0x00007FFCC89C1000-memory.dmp

          Filesize

          10.8MB