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Analysis

  • max time kernel
    120s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/08/2024, 16:06

General

  • Target

    cb5b5667bb447753a22a39fc51b625c0N.exe

  • Size

    5.4MB

  • MD5

    cb5b5667bb447753a22a39fc51b625c0

  • SHA1

    fa1a78612295ab0b0629bcad9e6e59df422ed663

  • SHA256

    14236d5ce9d40f60386fd47ded4d3e509b08001c8d06ef0f758d612346dbd9b3

  • SHA512

    a740e00e2b9a4f2a47a9e06c25671d089f847b2b5f8edf4c4dcfc908ba164ea4d00cc6c43051332630331f81b1b2080102af7793ff87de8bf11d11adf5336459

  • SSDEEP

    98304:KggSZTFznDHwE8oohoIgNgx+r3P4jw4fn9E32RW0O2gT/gQGhP3oFL6p4kvDZ/Hn:DgSZJznDHMo+JgNgx+r3P+e32BO2gjgj

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 11 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
  • UPX packed file 16 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 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 14 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb5b5667bb447753a22a39fc51b625c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\cb5b5667bb447753a22a39fc51b625c0N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2576
    • 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:4948
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:3668
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:1900
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:2020
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:4000
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2500
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:4652
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2936
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3888
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4880
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4884
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:636
      • 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:4408
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:3940
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:4532
      • 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\cb5b5667bb447753a22a39fc51b625c0N.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4004
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:4572
      • 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:4440
        • 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:4852
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3644
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            3⤵
              PID:2332
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop UsoSvc
            2⤵
            • Launches sc.exe
            PID:3864
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop WaaSMedicSvc
            2⤵
            • Launches sc.exe
            PID:3708
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop wuauserv
            2⤵
            • Launches sc.exe
            PID:2260
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop bits
            2⤵
            • Launches sc.exe
            PID:760
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop dosvc
            2⤵
            • Launches sc.exe
            PID:1556
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:3584
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1228
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1340
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1756
          • C:\Windows\system32\conhost.exe
            C:\Windows\system32\conhost.exe
            2⤵
              PID:4364
            • C:\Windows\system32\nslookup.exe
              nslookup.exe
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:336

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

            Filesize

            5.4MB

            MD5

            cb5b5667bb447753a22a39fc51b625c0

            SHA1

            fa1a78612295ab0b0629bcad9e6e59df422ed663

            SHA256

            14236d5ce9d40f60386fd47ded4d3e509b08001c8d06ef0f758d612346dbd9b3

            SHA512

            a740e00e2b9a4f2a47a9e06c25671d089f847b2b5f8edf4c4dcfc908ba164ea4d00cc6c43051332630331f81b1b2080102af7793ff87de8bf11d11adf5336459

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jxm5acse.fxs.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/336-64-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-65-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-71-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-69-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-72-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-67-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-60-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-68-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-66-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-73-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-62-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-56-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-59-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-63-0x000002752A670000-0x000002752A690000-memory.dmp

            Filesize

            128KB

          • memory/336-61-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-57-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/336-58-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/4364-48-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/4364-55-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/4364-52-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/4364-49-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/4364-50-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/4364-51-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/4852-40-0x00000273760B0000-0x00000273760CC000-memory.dmp

            Filesize

            112KB

          • memory/4852-37-0x0000027375E60000-0x0000027375E7C000-memory.dmp

            Filesize

            112KB

          • memory/4852-39-0x0000027375F40000-0x0000027375F4A000-memory.dmp

            Filesize

            40KB

          • memory/4852-45-0x00000273760E0000-0x00000273760EA000-memory.dmp

            Filesize

            40KB

          • memory/4852-42-0x00000273760F0000-0x000002737610A000-memory.dmp

            Filesize

            104KB

          • memory/4852-41-0x0000027376090000-0x000002737609A000-memory.dmp

            Filesize

            40KB

          • memory/4852-38-0x0000027375E80000-0x0000027375F35000-memory.dmp

            Filesize

            724KB

          • memory/4852-43-0x00000273760A0000-0x00000273760A8000-memory.dmp

            Filesize

            32KB

          • memory/4852-44-0x00000273760D0000-0x00000273760D6000-memory.dmp

            Filesize

            24KB

          • memory/4948-11-0x00007FFA14DE0000-0x00007FFA158A1000-memory.dmp

            Filesize

            10.8MB

          • memory/4948-15-0x00007FFA14DE0000-0x00007FFA158A1000-memory.dmp

            Filesize

            10.8MB

          • memory/4948-12-0x00007FFA14DE0000-0x00007FFA158A1000-memory.dmp

            Filesize

            10.8MB

          • memory/4948-0-0x00007FFA14DE3000-0x00007FFA14DE5000-memory.dmp

            Filesize

            8KB

          • memory/4948-10-0x0000026FB2BB0000-0x0000026FB2BD2000-memory.dmp

            Filesize

            136KB