Analysis

  • max time kernel
    1800s
  • max time network
    1568s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 08:03

General

  • Target

    satan.exe

  • Size

    184KB

  • MD5

    c9c341eaf04c89933ed28cbc2739d325

  • SHA1

    c5b7d47aef3bd33a24293138fcba3a5ff286c2a8

  • SHA256

    1a0a2fd546e3c05e15b2db3b531cb8e8755641f5f1c17910ce2fb7bbce2a05b7

  • SHA512

    7cfa6ec0be0f5ae80404c6c709a6fd00ca10a18b6def5ca746611d0d32a9552f7961ab0ebf8a336b27f7058d700205be7fcc859a30d7d185aa9457267090f99b

  • SSDEEP

    3072:H8SIBtQnE7OhssdWJ5jy392aCmCbBq0ryEbh/Wl7hqU6Q4NJ15xgDbvSY5thfRb3:c7qvhssdu5jyYaCmCQVE6hqUI5sb9Rb3

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1224 -s 316
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2592
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2592 -s 252
        3⤵
          PID:1920
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1316 -s 336
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2496
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1364
      • C:\Users\Admin\AppData\Local\Temp\satan.exe
        "C:\Users\Admin\AppData\Local\Temp\satan.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2196
        • C:\Users\Admin\AppData\Local\Temp\satan.exe
          "C:\Users\Admin\AppData\Local\Temp\satan.exe"
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Users\Admin\AppData\Roaming\Vymek\mowy.exe
            "C:\Users\Admin\AppData\Roaming\Vymek\mowy.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1876
            • C:\Users\Admin\AppData\Roaming\Vymek\mowy.exe
              "C:\Users\Admin\AppData\Roaming\Vymek\mowy.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2612
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp_f0d3f772.bat"
            4⤵
            • Deletes itself
            PID:2900
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:788
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:792
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 792 -s 400
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1332
    • C:\Windows\system32\conhost.exe
      \??\C:\Windows\system32\conhost.exe "1426595756203013392917022800-10651654961476259241-1918491087-18581415351109974114"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2828 -s 208
        2⤵
          PID:2316
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1924
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        PID:1760

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\V01.log

        Filesize

        512KB

        MD5

        c1665454c8ce914e54b09750a236789d

        SHA1

        67ec459afe57f9290b761c5f5ee7a5e39d689397

        SHA256

        1ab9edd17bc384af8dbf17f018663c44a16bca7e3a80ec4fbb3a466f2efe3586

        SHA512

        96534386850934b60247631c79c243db2effd267eb0b3bce3ee8f20b9b40c2c7d296425d1936acd39940a2e222f012abdbf1e9bf36a5b99c0a20227ad5411f16

      • C:\Users\Admin\AppData\Local\Temp\tmp_f0d3f772.bat

        Filesize

        190B

        MD5

        aa59a6793ad3419c9ae214fe397e8822

        SHA1

        ad8c8cb924980590f4fd19c5b5615fadf23a0ef1

        SHA256

        08bcc4e74128893adc7d0a46985bae6d2e01f908830e9b8a6bacf58617dd3ba3

        SHA512

        d9a072cdad8eeb641de1fcf33ebc0897be50a7d7aea32d123569b52b07e4f9bd8a77f0de74941bb98ce087f1dd3f577bac2e43dc916047bbac98a1026fe9f620

      • \Users\Admin\AppData\Roaming\Vymek\mowy.exe

        Filesize

        67KB

        MD5

        35bd989846c466e805df6a2345d07791

        SHA1

        069c959f1cbf19024315e4243b4b32fc5a0c1d5c

        SHA256

        335f74b78fcc51edfee315694a5f0675e5e5337c18318f95168990038a96fd11

        SHA512

        4c493b0a505a377c376000ae09bfa60a35882d5b418bb1f8ed9a277047a8c8f9789f3ed9cc8e12a1a7a9eaf24a9d36f446736f7189ae7140657ccbba5a750b48

      • memory/788-102-0x0000000000090000-0x00000000000A7000-memory.dmp

        Filesize

        92KB

      • memory/792-62-0x0000000000470000-0x0000000000487000-memory.dmp

        Filesize

        92KB

      • memory/792-68-0x0000000000490000-0x00000000004A0000-memory.dmp

        Filesize

        64KB

      • memory/792-64-0x0000000000470000-0x0000000000487000-memory.dmp

        Filesize

        92KB

      • memory/792-58-0x0000000000470000-0x0000000000487000-memory.dmp

        Filesize

        92KB

      • memory/1224-35-0x0000000001B40000-0x0000000001B57000-memory.dmp

        Filesize

        92KB

      • memory/1224-37-0x0000000001B40000-0x0000000001B57000-memory.dmp

        Filesize

        92KB

      • memory/1224-39-0x0000000001B40000-0x0000000001B57000-memory.dmp

        Filesize

        92KB

      • memory/1224-41-0x0000000001B40000-0x0000000001B57000-memory.dmp

        Filesize

        92KB

      • memory/1316-43-0x0000000000130000-0x0000000000147000-memory.dmp

        Filesize

        92KB

      • memory/1316-47-0x0000000000130000-0x0000000000147000-memory.dmp

        Filesize

        92KB

      • memory/1316-45-0x0000000000130000-0x0000000000147000-memory.dmp

        Filesize

        92KB

      • memory/1332-125-0x0000000000290000-0x0000000000291000-memory.dmp

        Filesize

        4KB

      • memory/1332-153-0x0000000000290000-0x0000000000291000-memory.dmp

        Filesize

        4KB

      • memory/1332-116-0x0000000000030000-0x0000000000047000-memory.dmp

        Filesize

        92KB

      • memory/1364-51-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1364-53-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1364-50-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1364-59-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1364-61-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1364-57-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1364-56-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1364-49-0x00000000025B0000-0x00000000025C7000-memory.dmp

        Filesize

        92KB

      • memory/1760-143-0x00000000002A0000-0x00000000002B7000-memory.dmp

        Filesize

        92KB

      • memory/1760-156-0x00000000002A0000-0x00000000002B7000-memory.dmp

        Filesize

        92KB

      • memory/1876-13-0x00000000004E0000-0x000000000057F000-memory.dmp

        Filesize

        636KB

      • memory/1876-15-0x00000000003C0000-0x00000000003DF000-memory.dmp

        Filesize

        124KB

      • memory/1876-12-0x0000000000410000-0x00000000004D9000-memory.dmp

        Filesize

        804KB

      • memory/1876-18-0x0000000000A90000-0x0000000000B99000-memory.dmp

        Filesize

        1.0MB

      • memory/1876-20-0x0000000002130000-0x0000000002147000-memory.dmp

        Filesize

        92KB

      • memory/1876-17-0x0000000000660000-0x000000000078D000-memory.dmp

        Filesize

        1.2MB

      • memory/2264-0-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2264-3-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2264-2-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2264-14-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2496-89-0x0000000000060000-0x0000000000077000-memory.dmp

        Filesize

        92KB

      • memory/2496-123-0x0000000000060000-0x0000000000077000-memory.dmp

        Filesize

        92KB

      • memory/2592-67-0x00000000002A0000-0x00000000002B7000-memory.dmp

        Filesize

        92KB

      • memory/2592-126-0x0000000001C30000-0x0000000001C31000-memory.dmp

        Filesize

        4KB

      • memory/2592-76-0x00000000002A0000-0x00000000002B7000-memory.dmp

        Filesize

        92KB

      • memory/2592-72-0x00000000002A0000-0x00000000002B7000-memory.dmp

        Filesize

        92KB

      • memory/2612-31-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/2612-22-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/2612-33-0x0000000001EC0000-0x0000000001ED7000-memory.dmp

        Filesize

        92KB

      • memory/2612-34-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/2612-32-0x0000000002180000-0x0000000002289000-memory.dmp

        Filesize

        1.0MB

      • memory/2612-26-0x00000000004F0000-0x000000000058F000-memory.dmp

        Filesize

        636KB

      • memory/2612-27-0x00000000002B0000-0x00000000002CF000-memory.dmp

        Filesize

        124KB

      • memory/2612-133-0x0000000003CB0000-0x0000000003CC7000-memory.dmp

        Filesize

        92KB

      • memory/2612-28-0x0000000000670000-0x000000000079D000-memory.dmp

        Filesize

        1.2MB

      • memory/2612-30-0x00000000007A0000-0x0000000000811000-memory.dmp

        Filesize

        452KB

      • memory/2612-154-0x0000000003CB0000-0x0000000003CC7000-memory.dmp

        Filesize

        92KB

      • memory/2612-25-0x0000000000420000-0x00000000004E9000-memory.dmp

        Filesize

        804KB