Analysis

  • max time kernel
    101s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 14:31

General

  • Target

    FrozenPerm_CRACKED.exe

  • Size

    64.8MB

  • MD5

    26500f10c8ceeae8d462d6a3086ab5d3

  • SHA1

    5a61e0551ff00378c3d633170b67403e50a9d425

  • SHA256

    a8c756a4059a6be18b3a44802403fd388d938ab33677e1a6032d1c6c7741ac0b

  • SHA512

    b1198bd575726753782e85334a1250a1fce770cad303941048801a0ac2e70ae680076535faf0c37e19644d561b3b9cc77407c23a358872e7d1c17893eecfcf09

  • SSDEEP

    786432:BYS6GKaTYIGiYk+KjotgDqanrcHJB5hOq29p2DrhUcVqttPemFt/W:NmijZpgHJnhOdGrKYmFt/W

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs
  • Xmrig family
  • xmrig

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

  • XMRig Miner payload 12 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 11 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\FrozenPerm_CRACKED.exe
      "C:\Users\Admin\AppData\Local\Temp\FrozenPerm_CRACKED.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3068
      • C:\Users\Admin\AppData\Roaming\Built.exe
        "C:\Users\Admin\AppData\Roaming\Built.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\Users\Admin\AppData\Roaming\Built.exe
          "C:\Users\Admin\AppData\Roaming\Built.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2052
      • C:\Users\Admin\AppData\Roaming\frozen spoofer.exe
        "C:\Users\Admin\AppData\Roaming\frozen spoofer.exe"
        3⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2160
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#towjv#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Users\Admin\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -RunLevel 'Highest' -Force; }
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn GoogleUpdateTaskMachineQC /tr 'C:\Users\Admin\Google\Chrome\updater.exe'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2808
    • C:\Windows\System32\schtasks.exe
      C:\Windows\System32\schtasks.exe /run /tn "GoogleUpdateTaskMachineQC"
      2⤵
        PID:696
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#towjv#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Users\Admin\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -RunLevel 'Highest' -Force; }
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2288
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn GoogleUpdateTaskMachineQC /tr 'C:\Users\Admin\Google\Chrome\updater.exe'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2080
      • C:\Windows\System32\conhost.exe
        C:\Windows\System32\conhost.exe
        2⤵
          PID:1868
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1736
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {CF6500C4-EC8D-4E58-9C86-115265DC0AE0} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
        1⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2220
        • C:\Users\Admin\Google\Chrome\updater.exe
          C:\Users\Admin\Google\Chrome\updater.exe
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2252

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\_MEI27362\api-ms-win-core-processthreads-l1-1-1.dll

        Filesize

        21KB

        MD5

        517eb9e2cb671ae49f99173d7f7ce43f

        SHA1

        4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

        SHA256

        57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

        SHA512

        492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

      • C:\Users\Admin\AppData\Local\Temp\_MEI27362\python312.dll

        Filesize

        1.7MB

        MD5

        3c5c6c489c358149c970b3b2e562be5f

        SHA1

        2f1077db20405b0a176597ed34a10b4730af3ca9

        SHA256

        73a22a12ea3d7f763ed2cea94bb877441f4134b40f043c400648d85565757741

        SHA512

        d3fb4e5df409bf2de4f5dc5d02d806aee649a21c339c648248b835c3d5d66ab88312c076c149eaadaa3ce0fb43e6fa293bfa369d8876d6eb18742bd9d12448e3

      • C:\Users\Admin\AppData\Local\Temp\_MEI27362\ucrtbase.dll

        Filesize

        992KB

        MD5

        0e0bac3d1dcc1833eae4e3e4cf83c4ef

        SHA1

        4189f4459c54e69c6d3155a82524bda7549a75a6

        SHA256

        8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

        SHA512

        a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

        Filesize

        7KB

        MD5

        9fa65957e60e88b3e0eb2f28dc635239

        SHA1

        838935ff4b83abefbf70efab2ee1ed24f0b7b9f5

        SHA256

        b7d8058bcef75da8dc876656f80fddd5005435631c6fa784bdda432b494a998f

        SHA512

        775bc25959efb1915912db51cfebfc91e523661671331d3ae39a4a03974b069414e549b7bbf9ce6b29af6238ecae9382e68cf782c78bd098c919265f3bd03a72

      • \Users\Admin\AppData\Local\Temp\_MEI27362\api-ms-win-core-file-l1-2-0.dll

        Filesize

        21KB

        MD5

        1c58526d681efe507deb8f1935c75487

        SHA1

        0e6d328faf3563f2aae029bc5f2272fb7a742672

        SHA256

        ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

        SHA512

        8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

      • \Users\Admin\AppData\Local\Temp\_MEI27362\api-ms-win-core-file-l2-1-0.dll

        Filesize

        18KB

        MD5

        bfffa7117fd9b1622c66d949bac3f1d7

        SHA1

        402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

        SHA256

        1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

        SHA512

        b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

      • \Users\Admin\AppData\Local\Temp\_MEI27362\api-ms-win-core-localization-l1-2-0.dll

        Filesize

        21KB

        MD5

        724223109e49cb01d61d63a8be926b8f

        SHA1

        072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

        SHA256

        4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

        SHA512

        19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

      • \Users\Admin\AppData\Local\Temp\_MEI27362\api-ms-win-core-timezone-l1-1-0.dll

        Filesize

        21KB

        MD5

        d12403ee11359259ba2b0706e5e5111c

        SHA1

        03cc7827a30fd1dee38665c0cc993b4b533ac138

        SHA256

        f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

        SHA512

        9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

      • \Users\Admin\AppData\Roaming\Built.exe

        Filesize

        8.3MB

        MD5

        9ba3741598bd933a06c5efee63654e38

        SHA1

        8d564b1367612a85da81b77c9261a69ee8181102

        SHA256

        61aeeb9c232c8045639c509f1e90aaedb12c92ece914d78afc26d6249e1624af

        SHA512

        4f54f6cf20efac25388d9fcab19dd7d91906c47905588f3ca13581af5600c574d971f818e16bfc7393a4a3ddc7b81bdee528477006d2e5513251ed78e096d35d

      • memory/1100-152-0x0000000002200000-0x0000000002208000-memory.dmp

        Filesize

        32KB

      • memory/1100-151-0x000000001B450000-0x000000001B732000-memory.dmp

        Filesize

        2.9MB

      • memory/1736-172-0x0000000000040000-0x0000000000060000-memory.dmp

        Filesize

        128KB

      • memory/1736-184-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-176-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-192-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-194-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-188-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-186-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-190-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-182-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-180-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-174-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1736-178-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1868-173-0x0000000140000000-0x0000000140029000-memory.dmp

        Filesize

        164KB

      • memory/1868-177-0x0000000140000000-0x0000000140029000-memory.dmp

        Filesize

        164KB

      • memory/2052-85-0x000007FEF5150000-0x000007FEF5811000-memory.dmp

        Filesize

        6.8MB

      • memory/2160-146-0x000000013FD80000-0x000000014360E000-memory.dmp

        Filesize

        56.6MB

      • memory/2160-155-0x000000013FD80000-0x000000014360E000-memory.dmp

        Filesize

        56.6MB

      • memory/2252-171-0x000000013FEF0000-0x000000014377E000-memory.dmp

        Filesize

        56.6MB

      • memory/2252-159-0x000000013FEF0000-0x000000014377E000-memory.dmp

        Filesize

        56.6MB

      • memory/2288-166-0x0000000001E20000-0x0000000001E28000-memory.dmp

        Filesize

        32KB

      • memory/2288-165-0x000000001B730000-0x000000001BA12000-memory.dmp

        Filesize

        2.9MB

      • memory/3068-1-0x0000000074050000-0x00000000745FB000-memory.dmp

        Filesize

        5.7MB

      • memory/3068-91-0x0000000074050000-0x00000000745FB000-memory.dmp

        Filesize

        5.7MB

      • memory/3068-2-0x0000000074050000-0x00000000745FB000-memory.dmp

        Filesize

        5.7MB

      • memory/3068-0-0x0000000074051000-0x0000000074052000-memory.dmp

        Filesize

        4KB