Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 18:21

General

  • Target

    bc1ff835f337d86678369b7756be12e871f2a289.exe

  • Size

    5.6MB

  • MD5

    752c908ea45382aa7ff4029b9ae84d96

  • SHA1

    bc1ff835f337d86678369b7756be12e871f2a289

  • SHA256

    2717cae9f8faaedbc37139fb3ddd08e04d9f19b41211ba0f267c62333e799063

  • SHA512

    70365ff2c69b9ecb708f122fcbfd141bb360c820b46ecb5288f6ddc9887365dd492cdc8735c465575a01408cad9eb974c494f8326eda3a53cd7cdcd4055ca6bb

  • SSDEEP

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

Malware Config

Signatures

  • Xmrig family
  • 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
  • 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 16 IoCs

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

  • 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\bc1ff835f337d86678369b7756be12e871f2a289.exe
    "C:\Users\Admin\AppData\Local\Temp\bc1ff835f337d86678369b7756be12e871f2a289.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3876
    • 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:3744
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3632
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:2688
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:3556
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:1528
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1824
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2344
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:3952
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3164
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4292
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1416
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4676
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:3364
      • 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:1456
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:4692
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:3448
      • 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\bc1ff835f337d86678369b7756be12e871f2a289.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5108
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:2408
      • 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:4396
        • 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:4480
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:644
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            3⤵
              PID:1336
          • 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:1880
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop wuauserv
            2⤵
            • Launches sc.exe
            PID:3972
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop bits
            2⤵
            • Launches sc.exe
            PID:940
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop dosvc
            2⤵
            • Launches sc.exe
            PID:2352
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4840
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1376
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1956
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1424
          • C:\Windows\system32\conhost.exe
            C:\Windows\system32\conhost.exe
            2⤵
              PID:1608
            • C:\Windows\system32\nslookup.exe
              nslookup.exe
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3744

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

            Filesize

            5.6MB

            MD5

            752c908ea45382aa7ff4029b9ae84d96

            SHA1

            bc1ff835f337d86678369b7756be12e871f2a289

            SHA256

            2717cae9f8faaedbc37139fb3ddd08e04d9f19b41211ba0f267c62333e799063

            SHA512

            70365ff2c69b9ecb708f122fcbfd141bb360c820b46ecb5288f6ddc9887365dd492cdc8735c465575a01408cad9eb974c494f8326eda3a53cd7cdcd4055ca6bb

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ekljmhdx.mxh.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/1608-55-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/1608-48-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/1608-49-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/1608-50-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/1608-51-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/1608-52-0x0000000140000000-0x000000014000E000-memory.dmp

            Filesize

            56KB

          • memory/3744-65-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-61-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-72-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-73-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-71-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-70-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-6-0x000001C16D550000-0x000001C16D572000-memory.dmp

            Filesize

            136KB

          • memory/3744-11-0x00007FFDF86D0000-0x00007FFDF9191000-memory.dmp

            Filesize

            10.8MB

          • memory/3744-60-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-59-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-0-0x00007FFDF86D3000-0x00007FFDF86D5000-memory.dmp

            Filesize

            8KB

          • memory/3744-66-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-68-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-67-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-64-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-15-0x00007FFDF86D0000-0x00007FFDF9191000-memory.dmp

            Filesize

            10.8MB

          • memory/3744-63-0x000001C453AE0000-0x000001C453B00000-memory.dmp

            Filesize

            128KB

          • memory/3744-62-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-57-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-58-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/3744-12-0x00007FFDF86D0000-0x00007FFDF9191000-memory.dmp

            Filesize

            10.8MB

          • memory/3744-56-0x0000000140000000-0x0000000140848000-memory.dmp

            Filesize

            8.3MB

          • memory/4480-38-0x00000256F1DE0000-0x00000256F1E95000-memory.dmp

            Filesize

            724KB

          • memory/4480-37-0x00000256D8DE0000-0x00000256D8DFC000-memory.dmp

            Filesize

            112KB

          • memory/4480-39-0x00000256D8E00000-0x00000256D8E0A000-memory.dmp

            Filesize

            40KB

          • memory/4480-43-0x00000256F1FE0000-0x00000256F1FE8000-memory.dmp

            Filesize

            32KB

          • memory/4480-44-0x00000256F1FF0000-0x00000256F1FF6000-memory.dmp

            Filesize

            24KB

          • memory/4480-45-0x00000256F2040000-0x00000256F204A000-memory.dmp

            Filesize

            40KB

          • memory/4480-42-0x00000256F2020000-0x00000256F203A000-memory.dmp

            Filesize

            104KB

          • memory/4480-41-0x00000256D8E10000-0x00000256D8E1A000-memory.dmp

            Filesize

            40KB

          • memory/4480-40-0x00000256F2000000-0x00000256F201C000-memory.dmp

            Filesize

            112KB