Analysis

  • max time kernel
    120s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 07:14

General

  • Target

    1a81dbca4d750652777a8b3f5e5ab6f3fdbef1e1c0be9d8fffcc84dc17c92fb7N.exe

  • Size

    5.6MB

  • MD5

    adf4eef92a5c017dba01be91092c9fa0

  • SHA1

    23f2697bd693861a9ab31d8fd06b1fa876ad9031

  • SHA256

    1a81dbca4d750652777a8b3f5e5ab6f3fdbef1e1c0be9d8fffcc84dc17c92fb7

  • SHA512

    901e9c4c504c9197a6987d11db26098eea7f6048e5c428ca00eb6b46e7550f62b2368b192be85ce9493c3f8602183730df98ebf5845b3389ae29d2664d8e6d7a

  • SSDEEP

    98304:xRjPz9KDzUU8O5/B/LJ25E9SVh86sS3TRknQ3ss2MApp9meypA3cPDu7:xFKoU8O5/b2XViSjX310SeyGc7u7

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\1a81dbca4d750652777a8b3f5e5ab6f3fdbef1e1c0be9d8fffcc84dc17c92fb7N.exe
    "C:\Users\Admin\AppData\Local\Temp\1a81dbca4d750652777a8b3f5e5ab6f3fdbef1e1c0be9d8fffcc84dc17c92fb7N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2352
    • 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:2288
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2900
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2780
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2964
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2800
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:2868
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:2176
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2472
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "JIOGRCSG"
      2⤵
      • Launches sc.exe
      PID:2872
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "JIOGRCSG" binpath= "C:\ProgramData\zvycwxhpsxqt\lutlgidagtja.exe" start= "auto"
      2⤵
      • Launches sc.exe
      PID:2528
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:1928
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "JIOGRCSG"
      2⤵
      • Launches sc.exe
      PID:332
    • 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\1a81dbca4d750652777a8b3f5e5ab6f3fdbef1e1c0be9d8fffcc84dc17c92fb7N.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:3032
    • C:\ProgramData\zvycwxhpsxqt\lutlgidagtja.exe
      C:\ProgramData\zvycwxhpsxqt\lutlgidagtja.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1436
      • 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:1616
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2728
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:2956
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:2664
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:2864
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:764
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:376
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:1760
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2716
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:716
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2500
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2492
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:1980
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2348

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \ProgramData\zvycwxhpsxqt\lutlgidagtja.exe

        Filesize

        5.6MB

        MD5

        adf4eef92a5c017dba01be91092c9fa0

        SHA1

        23f2697bd693861a9ab31d8fd06b1fa876ad9031

        SHA256

        1a81dbca4d750652777a8b3f5e5ab6f3fdbef1e1c0be9d8fffcc84dc17c92fb7

        SHA512

        901e9c4c504c9197a6987d11db26098eea7f6048e5c428ca00eb6b46e7550f62b2368b192be85ce9493c3f8602183730df98ebf5845b3389ae29d2664d8e6d7a

      • memory/1616-18-0x00000000008C0000-0x00000000008C8000-memory.dmp

        Filesize

        32KB

      • memory/1616-17-0x0000000019F20000-0x000000001A202000-memory.dmp

        Filesize

        2.9MB

      • memory/1980-28-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1980-19-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1980-20-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1980-21-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1980-22-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1980-23-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/2288-12-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

        Filesize

        9.6MB

      • memory/2288-4-0x000007FEF5EAE000-0x000007FEF5EAF000-memory.dmp

        Filesize

        4KB

      • memory/2288-11-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

        Filesize

        9.6MB

      • memory/2288-9-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

        Filesize

        9.6MB

      • memory/2288-10-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

        Filesize

        9.6MB

      • memory/2288-6-0x0000000002360000-0x0000000002368000-memory.dmp

        Filesize

        32KB

      • memory/2288-7-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

        Filesize

        9.6MB

      • memory/2288-8-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

        Filesize

        9.6MB

      • memory/2288-5-0x000000001B380000-0x000000001B662000-memory.dmp

        Filesize

        2.9MB

      • memory/2348-34-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-26-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-33-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-32-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-31-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-30-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-27-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-35-0x0000000000740000-0x0000000000760000-memory.dmp

        Filesize

        128KB

      • memory/2348-39-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-40-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-37-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-36-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-38-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-42-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2348-41-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB