Analysis

  • max time kernel
    17s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 01:16

General

  • Target

    8785fb3be4516afc5b4a08fd99440b9ca929c0bd075ce31bd285b6d39f0c9e95N.exe

  • Size

    5.6MB

  • MD5

    985bdc8647356aaed8761d7776c5a900

  • SHA1

    2f600b33e1b27c13a8e555375deee470cbf2c931

  • SHA256

    8785fb3be4516afc5b4a08fd99440b9ca929c0bd075ce31bd285b6d39f0c9e95

  • SHA512

    6714325e9d79d9690db11a39d347279aee6eb37ca3978c46fcfbed362bf58257a09fabdd2098a1294d64a8dd885b988ef6a097d57812e05bc891d68709f8b426

  • 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 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 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8785fb3be4516afc5b4a08fd99440b9ca929c0bd075ce31bd285b6d39f0c9e95N.exe
    "C:\Users\Admin\AppData\Local\Temp\8785fb3be4516afc5b4a08fd99440b9ca929c0bd075ce31bd285b6d39f0c9e95N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2724
    • 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:2688
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:3012
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2568
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2692
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2616
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:776
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:1040
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:576
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:924
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1120
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:1852
    • 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:1972
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:2552
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:2896
    • 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\8785fb3be4516afc5b4a08fd99440b9ca929c0bd075ce31bd285b6d39f0c9e95N.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:2404
    • 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:2324
      • 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:2308
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2848
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:2196
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:2888
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:2160
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1240
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:1264
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:1768
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1860
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2140
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1844
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2148
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:1952
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1788

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

        Filesize

        5.6MB

        MD5

        985bdc8647356aaed8761d7776c5a900

        SHA1

        2f600b33e1b27c13a8e555375deee470cbf2c931

        SHA256

        8785fb3be4516afc5b4a08fd99440b9ca929c0bd075ce31bd285b6d39f0c9e95

        SHA512

        6714325e9d79d9690db11a39d347279aee6eb37ca3978c46fcfbed362bf58257a09fabdd2098a1294d64a8dd885b988ef6a097d57812e05bc891d68709f8b426

      • memory/1788-33-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-37-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-36-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-28-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-29-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-32-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-26-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-27-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-38-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-39-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-40-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-35-0x0000000000300000-0x0000000000320000-memory.dmp

        Filesize

        128KB

      • memory/1788-34-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1788-41-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/1952-21-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1952-30-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1952-19-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1952-22-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1952-20-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1952-23-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2308-18-0x0000000000940000-0x0000000000948000-memory.dmp

        Filesize

        32KB

      • memory/2308-17-0x0000000019F40000-0x000000001A222000-memory.dmp

        Filesize

        2.9MB

      • memory/2688-11-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-4-0x000007FEF518E000-0x000007FEF518F000-memory.dmp

        Filesize

        4KB

      • memory/2688-6-0x00000000022D0000-0x00000000022D8000-memory.dmp

        Filesize

        32KB

      • memory/2688-10-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-9-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-12-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-8-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-5-0x000000001B440000-0x000000001B722000-memory.dmp

        Filesize

        2.9MB

      • memory/2688-7-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

        Filesize

        9.6MB