Analysis

  • max time kernel
    89s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 23:14

General

  • Target

    a424c9665734af7ba52ef3d3b475507be88a94b35cf157ffe7f193384c417817.exe

  • Size

    5.6MB

  • MD5

    b9a55a0a1615c4f1e8837b2a82f4d8f2

  • SHA1

    0dacdfbad7ac44401b94138977cc85066262ea30

  • SHA256

    a424c9665734af7ba52ef3d3b475507be88a94b35cf157ffe7f193384c417817

  • SHA512

    ec0729e1779709e4675972b14f688c2051af72e1f94753215246e01bd8a45bf2790cc5e538af36661f1d6f725e5b3875fc7ac450a197f0e412888afeb4f8723b

  • SSDEEP

    98304:KggSZTFznDHwE8oohoIgNgx+r3P4jw4fn9E32RW0O2gT/gQGhP3oFL6p4kvDZ/H9:DgSZJznDHMo+JgNgx+r3P+e32BO2gjgR

Malware Config

Signatures

  • Xmrig family
  • 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 13 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 14 IoCs

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

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a424c9665734af7ba52ef3d3b475507be88a94b35cf157ffe7f193384c417817.exe
    "C:\Users\Admin\AppData\Local\Temp\a424c9665734af7ba52ef3d3b475507be88a94b35cf157ffe7f193384c417817.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2376
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2348
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2980
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2844
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2740
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2976
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:2196
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:2624
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2500
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:2616
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "JVNIRHNX" binpath= "C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe" start= "auto"
      2⤵
      • Launches sc.exe
      PID:3060
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:1236
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:1076
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\a424c9665734af7ba52ef3d3b475507be88a94b35cf157ffe7f193384c417817.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:1828
    • C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
      C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2392
      • 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:1980
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1772
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:1564
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:1716
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:1884
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:2672
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2812
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:2208
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3068
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2916
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1436
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2188
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:2956
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1308

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

        Filesize

        5.6MB

        MD5

        b9a55a0a1615c4f1e8837b2a82f4d8f2

        SHA1

        0dacdfbad7ac44401b94138977cc85066262ea30

        SHA256

        a424c9665734af7ba52ef3d3b475507be88a94b35cf157ffe7f193384c417817

        SHA512

        ec0729e1779709e4675972b14f688c2051af72e1f94753215246e01bd8a45bf2790cc5e538af36661f1d6f725e5b3875fc7ac450a197f0e412888afeb4f8723b

      • memory/1308-30-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-31-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-40-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-35-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-29-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-36-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-37-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-38-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-34-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-26-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-28-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-27-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-32-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1308-33-0x00000000001B0000-0x00000000001D0000-memory.dmp

        Filesize

        128KB

      • memory/1980-16-0x0000000001340000-0x0000000001348000-memory.dmp

        Filesize

        32KB

      • memory/1980-15-0x0000000019ED0000-0x000000001A1B2000-memory.dmp

        Filesize

        2.9MB

      • memory/2348-6-0x0000000001E40000-0x0000000001E48000-memory.dmp

        Filesize

        32KB

      • memory/2348-9-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

        Filesize

        9.6MB

      • memory/2348-7-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

        Filesize

        9.6MB

      • memory/2348-8-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

        Filesize

        9.6MB

      • memory/2348-10-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

        Filesize

        9.6MB

      • memory/2348-4-0x000007FEF5BDE000-0x000007FEF5BDF000-memory.dmp

        Filesize

        4KB

      • memory/2348-5-0x000000001B7F0000-0x000000001BAD2000-memory.dmp

        Filesize

        2.9MB

      • memory/2956-18-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2956-22-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2956-20-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2956-19-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2956-24-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2956-17-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB