Analysis

  • max time kernel
    120s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 08:05

General

  • Target

    3f676242c4ebe856815c5b5083d786d1593bdbc33cae8eb939244c93e89904b0N.exe

  • Size

    5.6MB

  • MD5

    dd243c21db81ace53b717a4722a95610

  • SHA1

    696c164b43f98f285d7a090bc1d5c6fed054bbc5

  • SHA256

    3f676242c4ebe856815c5b5083d786d1593bdbc33cae8eb939244c93e89904b0

  • SHA512

    dd20986a7bf80477902db7d15e4af61eb07a6a226cc61c0e82596ea6d40f4089272c01246f4e7b6c41b28b391843e8505a4dff352d16923774dee01845e86590

  • 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 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
  • 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 14 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\3f676242c4ebe856815c5b5083d786d1593bdbc33cae8eb939244c93e89904b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3f676242c4ebe856815c5b5083d786d1593bdbc33cae8eb939244c93e89904b0N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2664
    • 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:2692
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2544
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2708
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2716
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2576
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:592
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:3028
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1472
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1256
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1052
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:2636
    • 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:2376
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:2400
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:600
    • 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\3f676242c4ebe856815c5b5083d786d1593bdbc33cae8eb939244c93e89904b0N.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:2416
    • 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:684
      • 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:2520
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2256
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:1960
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:2144
      • 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:328
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2156
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:2948
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2108
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2168
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2172
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1888
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:2396
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2456

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • \ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

        Filesize

        5.6MB

        MD5

        dd243c21db81ace53b717a4722a95610

        SHA1

        696c164b43f98f285d7a090bc1d5c6fed054bbc5

        SHA256

        3f676242c4ebe856815c5b5083d786d1593bdbc33cae8eb939244c93e89904b0

        SHA512

        dd20986a7bf80477902db7d15e4af61eb07a6a226cc61c0e82596ea6d40f4089272c01246f4e7b6c41b28b391843e8505a4dff352d16923774dee01845e86590

      • memory/2396-20-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2396-21-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2396-22-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2396-23-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2396-26-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2396-19-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2456-39-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-29-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-41-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-42-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-36-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-37-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-38-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-31-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-40-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-28-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-30-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-35-0x0000000000210000-0x0000000000230000-memory.dmp

        Filesize

        128KB

      • memory/2456-32-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-33-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2456-34-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2520-18-0x0000000000A30000-0x0000000000A38000-memory.dmp

        Filesize

        32KB

      • memory/2520-17-0x0000000019FD0000-0x000000001A2B2000-memory.dmp

        Filesize

        2.9MB

      • memory/2692-7-0x0000000002000000-0x0000000002008000-memory.dmp

        Filesize

        32KB

      • memory/2692-6-0x000000001B590000-0x000000001B872000-memory.dmp

        Filesize

        2.9MB

      • memory/2692-4-0x000007FEF692E000-0x000007FEF692F000-memory.dmp

        Filesize

        4KB

      • memory/2692-5-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

        Filesize

        9.6MB

      • memory/2692-12-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

        Filesize

        9.6MB

      • memory/2692-8-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

        Filesize

        9.6MB

      • memory/2692-9-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

        Filesize

        9.6MB

      • memory/2692-10-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

        Filesize

        9.6MB

      • memory/2692-11-0x000007FEF6670000-0x000007FEF700D000-memory.dmp

        Filesize

        9.6MB