Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 17:15

General

  • Target

    RedHatSpoofer1.3.exe

  • Size

    41KB

  • MD5

    2560647cbaa999dc4b59151bbfb32e6a

  • SHA1

    5789816befd9539270ff17d1d4fe13a350d6fb54

  • SHA256

    b61f4de3bad56c3cb9fe365b98f428b24afa3a103c9f830b2d5aa50efb904c6b

  • SHA512

    20f0e8742e69e01240e414a2cc6021b555b7bad309180aca74f81ba22e614119b90450d8d670f4c905dec9d439ddcb77bbaf6db141b15adf7f4e5c2e60dbef88

  • SSDEEP

    768:cXfQNjweRKuvHWVcxmXOnhTYXu+Rsrl9PweAebQB6SYyvrjljle:cXfQNouvH+cjnhTYX9Cl99Qodynple

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 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.

  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RedHatSpoofer1.3.exe
    "C:\Users\Admin\AppData\Local\Temp\RedHatSpoofer1.3.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\Sys"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2156
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\Sys\$77Winsys.exe"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:4352
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFF01.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1596
      • C:\Users\Admin\Sys\$77Winsys.exe
        "C:\Users\Admin\Sys\$77Winsys.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:460
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks.exe" /query /TN $77Winsys.exe
          4⤵
            PID:4492
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks.exe" /Create /SC ONCE /TN "$77Winsys.exe" /TR "C:\Users\Admin\Sys\$77Winsys.exe \"\$77Winsys.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2440
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks.exe" /query /TN $77Winsys.exe
            4⤵
              PID:2172
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit
              4⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4920
            • C:\Windows\System32\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /create /sc daily /tn "Winsys_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:00
              4⤵
              • Scheduled Task/Job: Scheduled Task
              PID:632

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l5pqadq5.bip.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpFF01.tmp.bat

        Filesize

        141B

        MD5

        4357f817831d27d89b31f55233331930

        SHA1

        4d615ee728d9bf74d59ed166dde286373662c9f7

        SHA256

        af3eddc1d69e39b181c2f4bec9d866f003988954fcde8db0c74be2436f400176

        SHA512

        1b2f548de794935b967bf86d97bf02eb2ac1bfb758aace205170a8e044623efc4d84b8af70a002e6a8e974e75e20d47632ecd2203780b02286e20e30e6b2b556

      • C:\Users\Admin\Sys\$77Winsys.exe

        Filesize

        41KB

        MD5

        2560647cbaa999dc4b59151bbfb32e6a

        SHA1

        5789816befd9539270ff17d1d4fe13a350d6fb54

        SHA256

        b61f4de3bad56c3cb9fe365b98f428b24afa3a103c9f830b2d5aa50efb904c6b

        SHA512

        20f0e8742e69e01240e414a2cc6021b555b7bad309180aca74f81ba22e614119b90450d8d670f4c905dec9d439ddcb77bbaf6db141b15adf7f4e5c2e60dbef88

      • memory/460-32-0x00007FF8A7AD0000-0x00007FF8A8591000-memory.dmp

        Filesize

        10.8MB

      • memory/460-30-0x000000001DB80000-0x000000001DBA0000-memory.dmp

        Filesize

        128KB

      • memory/460-29-0x00007FF8A7AD0000-0x00007FF8A8591000-memory.dmp

        Filesize

        10.8MB

      • memory/460-14-0x00007FF8A7AD0000-0x00007FF8A8591000-memory.dmp

        Filesize

        10.8MB

      • memory/4560-3-0x00007FF8A7AD3000-0x00007FF8A7AD5000-memory.dmp

        Filesize

        8KB

      • memory/4560-10-0x00007FF8A7AD0000-0x00007FF8A8591000-memory.dmp

        Filesize

        10.8MB

      • memory/4560-4-0x00007FF8A7AD0000-0x00007FF8A8591000-memory.dmp

        Filesize

        10.8MB

      • memory/4560-0-0x00007FF8A7AD3000-0x00007FF8A7AD5000-memory.dmp

        Filesize

        8KB

      • memory/4560-2-0x00007FF8A7AD0000-0x00007FF8A8591000-memory.dmp

        Filesize

        10.8MB

      • memory/4560-1-0x0000000000290000-0x000000000029E000-memory.dmp

        Filesize

        56KB

      • memory/4920-20-0x0000016E270A0000-0x0000016E270C2000-memory.dmp

        Filesize

        136KB