Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/10/2024, 00:10

General

  • Target

    8fc444a3c5959cd63ace3ba0daf4b90ec70b69a26e4b461ae821c5ee14080f8f.exe

  • Size

    5.5MB

  • MD5

    79abce23942e1808d915431903f3b931

  • SHA1

    27b696379da377b45f4ed2db19a10d3be0428a2f

  • SHA256

    8fc444a3c5959cd63ace3ba0daf4b90ec70b69a26e4b461ae821c5ee14080f8f

  • SHA512

    34a11323958a8da790dbb5a9fb107addc1fc26aff2b90a3676035bbb827f00537f2b67844fd0e2c87ca10c7ed368144f19fe541171d956cdebc7269c7d50cc38

  • 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
  • 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 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 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fc444a3c5959cd63ace3ba0daf4b90ec70b69a26e4b461ae821c5ee14080f8f.exe
    "C:\Users\Admin\AppData\Local\Temp\8fc444a3c5959cd63ace3ba0daf4b90ec70b69a26e4b461ae821c5ee14080f8f.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2568
    • 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:1320
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2908
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2760
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2924
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2808
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:1356
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:3056
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2968
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2944
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:2656
    • 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:1868
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:1388
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:2636
    • 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\8fc444a3c5959cd63ace3ba0daf4b90ec70b69a26e4b461ae821c5ee14080f8f.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:1648
    • 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:1036
      • 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:1920
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:1196
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:2560
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:2540
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1932
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2880
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:2964
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3052
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3032
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2852
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2516
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:852
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:936

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • \ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

              Filesize

              5.5MB

              MD5

              79abce23942e1808d915431903f3b931

              SHA1

              27b696379da377b45f4ed2db19a10d3be0428a2f

              SHA256

              8fc444a3c5959cd63ace3ba0daf4b90ec70b69a26e4b461ae821c5ee14080f8f

              SHA512

              34a11323958a8da790dbb5a9fb107addc1fc26aff2b90a3676035bbb827f00537f2b67844fd0e2c87ca10c7ed368144f19fe541171d956cdebc7269c7d50cc38

            • memory/852-26-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/852-19-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/852-20-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/852-21-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/852-22-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/852-23-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/936-37-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-35-0x0000000000130000-0x0000000000150000-memory.dmp

              Filesize

              128KB

            • memory/936-41-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-28-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-32-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-31-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-34-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-36-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-38-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-40-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-39-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-30-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-29-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/936-33-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/1320-5-0x000000001B020000-0x000000001B302000-memory.dmp

              Filesize

              2.9MB

            • memory/1320-6-0x00000000022E0000-0x00000000022E8000-memory.dmp

              Filesize

              32KB

            • memory/1320-7-0x000007FEF56A0000-0x000007FEF603D000-memory.dmp

              Filesize

              9.6MB

            • memory/1320-4-0x000007FEF595E000-0x000007FEF595F000-memory.dmp

              Filesize

              4KB

            • memory/1320-8-0x000007FEF56A0000-0x000007FEF603D000-memory.dmp

              Filesize

              9.6MB

            • memory/1320-12-0x000007FEF56A0000-0x000007FEF603D000-memory.dmp

              Filesize

              9.6MB

            • memory/1320-9-0x000007FEF56A0000-0x000007FEF603D000-memory.dmp

              Filesize

              9.6MB

            • memory/1320-10-0x000007FEF56A0000-0x000007FEF603D000-memory.dmp

              Filesize

              9.6MB

            • memory/1320-11-0x000007FEF56A0000-0x000007FEF603D000-memory.dmp

              Filesize

              9.6MB

            • memory/1920-18-0x0000000000930000-0x0000000000938000-memory.dmp

              Filesize

              32KB

            • memory/1920-17-0x0000000019AE0000-0x0000000019DC2000-memory.dmp

              Filesize

              2.9MB