Analysis

  • max time kernel
    1200s
  • max time network
    1204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    08-07-2024 04:59

General

  • Target

    Tool/Tool.exe

  • Size

    2.5MB

  • MD5

    5eb488fde8ae946dbe2ee631a44e2264

  • SHA1

    7a7c0b9d4dfb605bed6d6f1fe256cb2b9e8799db

  • SHA256

    f4894d1b685f8b6a53bfcbc23869c806258c0b7e7def3f4f946c2d6a7019dfad

  • SHA512

    29fe591da31225aeb09490ddfed86e3a48c47bc17d2110ca63a7a1b243516cc8fc7f5c3a33e364c718183a4872d145b7ab8d80a5c8b932d69229cae065318c06

  • SSDEEP

    49152:QS5WRuchCqDjoexP05/h+kaFCxLli+brfU5c47RiPcCfwiUZW8XQJKDRgR:Q6Kuch/DZW5AkaY7iurM247M743M8AYm

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.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 4 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 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Tool\Tool.exe
    "C:\Users\Admin\AppData\Local\Temp\Tool\Tool.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1144
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:4816
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "BAZVYEGL"
        2⤵
        • Launches sc.exe
        PID:5000
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "BAZVYEGL" binpath= "C:\ProgramData\disoegcocrwp\xqkwufftkosu.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:4900
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:1792
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "BAZVYEGL"
        2⤵
        • Launches sc.exe
        PID:3952
    • C:\ProgramData\disoegcocrwp\xqkwufftkosu.exe
      C:\ProgramData\disoegcocrwp\xqkwufftkosu.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($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:1232
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4600
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:3140
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:3652
          • C:\Windows\system32\conhost.exe
            conhost.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3948

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Execution

        Command and Scripting Interpreter

        1
        T1059

        PowerShell

        1
        T1059.001

        System Services

        2
        T1569

        Service Execution

        2
        T1569.002

        Persistence

        Create or Modify System Process

        2
        T1543

        Windows Service

        2
        T1543.003

        Privilege Escalation

        Create or Modify System Process

        2
        T1543

        Windows Service

        2
        T1543.003

        Defense Evasion

        Impair Defenses

        1
        T1562

        Impact

        Service Stop

        1
        T1489

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\disoegcocrwp\xqkwufftkosu.exe
          Filesize

          2.5MB

          MD5

          5eb488fde8ae946dbe2ee631a44e2264

          SHA1

          7a7c0b9d4dfb605bed6d6f1fe256cb2b9e8799db

          SHA256

          f4894d1b685f8b6a53bfcbc23869c806258c0b7e7def3f4f946c2d6a7019dfad

          SHA512

          29fe591da31225aeb09490ddfed86e3a48c47bc17d2110ca63a7a1b243516cc8fc7f5c3a33e364c718183a4872d145b7ab8d80a5c8b932d69229cae065318c06

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5eigiyuo.rep.ps1
          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1232-41-0x000002D7D78F0000-0x000002D7D79A5000-memory.dmp
          Filesize

          724KB

        • memory/1232-48-0x000002D7D7B50000-0x000002D7D7B5A000-memory.dmp
          Filesize

          40KB

        • memory/1232-47-0x000002D7D7B40000-0x000002D7D7B46000-memory.dmp
          Filesize

          24KB

        • memory/1232-46-0x000002D7D7B10000-0x000002D7D7B18000-memory.dmp
          Filesize

          32KB

        • memory/1232-45-0x000002D7D7B60000-0x000002D7D7B7A000-memory.dmp
          Filesize

          104KB

        • memory/1232-44-0x000002D7D7B00000-0x000002D7D7B0A000-memory.dmp
          Filesize

          40KB

        • memory/1232-43-0x000002D7D7B20000-0x000002D7D7B3C000-memory.dmp
          Filesize

          112KB

        • memory/1232-42-0x000002D7D79B0000-0x000002D7D79BA000-memory.dmp
          Filesize

          40KB

        • memory/1232-40-0x000002D7D78D0000-0x000002D7D78EC000-memory.dmp
          Filesize

          112KB

        • memory/2396-12-0x000002339BBC0000-0x000002339BBD0000-memory.dmp
          Filesize

          64KB

        • memory/2396-18-0x00007FFD63DE0000-0x00007FFD648A1000-memory.dmp
          Filesize

          10.8MB

        • memory/2396-15-0x00007FFD63DE0000-0x00007FFD648A1000-memory.dmp
          Filesize

          10.8MB

        • memory/2396-14-0x00007FFD63DE0000-0x00007FFD648A1000-memory.dmp
          Filesize

          10.8MB

        • memory/2396-13-0x00000233B47E0000-0x00000233B48E2000-memory.dmp
          Filesize

          1.0MB

        • memory/2396-0-0x00007FFD63DE3000-0x00007FFD63DE5000-memory.dmp
          Filesize

          8KB

        • memory/2396-1-0x00000233B41D0000-0x00000233B4252000-memory.dmp
          Filesize

          520KB

        • memory/2396-2-0x000002339BB90000-0x000002339BBB2000-memory.dmp
          Filesize

          136KB

        • memory/3652-58-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/3652-55-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/3652-54-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/3652-53-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/3652-52-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/3652-51-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/3948-66-0x00000199F64D0000-0x00000199F64F0000-memory.dmp
          Filesize

          128KB

        • memory/3948-68-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-59-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-62-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-65-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-60-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-64-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-63-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-71-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-61-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-67-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-70-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-69-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-72-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-74-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-75-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/3948-76-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB