Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16-05-2022 01:54

General

  • Target

    83d0c88d59c8e466d87f6f0634b5ee11effb4ab278b09af094fdf634e1ecb7f1.exe

  • Size

    56KB

  • MD5

    b82f453f91e18565385e4a7126506fa2

  • SHA1

    54f76a03a48481f8286a3977cb1302e6dce7e592

  • SHA256

    83d0c88d59c8e466d87f6f0634b5ee11effb4ab278b09af094fdf634e1ecb7f1

  • SHA512

    3f91dcd61061c51da061b8ed680acc7caef964ad61403b3143a4d20caf4546324b150fe26a2f8b6dc83ca4ae02579d2c7ef9a88414f07873409dd87038c87569

Malware Config

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83d0c88d59c8e466d87f6f0634b5ee11effb4ab278b09af094fdf634e1ecb7f1.exe
    "C:\Users\Admin\AppData\Local\Temp\83d0c88d59c8e466d87f6f0634b5ee11effb4ab278b09af094fdf634e1ecb7f1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:4924
        • C:\Windows\SysWOW64\system manager.exe
          "C:\Windows\system32\system manager.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4668
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            4⤵
              PID:1944
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 200
                5⤵
                • Program crash
                PID:2200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1944 -ip 1944
        1⤵
          PID:5008

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log
          Filesize

          142B

          MD5

          8c0458bb9ea02d50565175e38d577e35

          SHA1

          f0b50702cd6470f3c17d637908f83212fdbdb2f2

          SHA256

          c578e86db701b9afa3626e804cf434f9d32272ff59fb32fa9a51835e5a148b53

          SHA512

          804a47494d9a462ffa6f39759480700ecbe5a7f3a15ec3a6330176ed9c04695d2684bf6bf85ab86286d52e7b727436d0bb2e8da96e20d47740b5ce3f856b5d0f

        • C:\Users\Admin\AppData\Local\Temp\lBLOacw.txt
          Filesize

          102B

          MD5

          7782df1f6b43838e055d99b4668d2bfc

          SHA1

          5a4adcc361c16779064eb1554e214ee380cdc99d

          SHA256

          bbae3d71bcab18621ee719be9b2d016add16a726067e3948ed9183d8bc9ed41a

          SHA512

          1085d9b9383cfeeb098a45dcd116f15371cb5aa7cc6915f626b61903eb90323076f7c97cb6f7d6e0748bfc976db7146babbc2b1f00bfa6da923e0fce33e08e04

        • C:\Windows\SysWOW64\system manager.exe
          Filesize

          56KB

          MD5

          b82f453f91e18565385e4a7126506fa2

          SHA1

          54f76a03a48481f8286a3977cb1302e6dce7e592

          SHA256

          83d0c88d59c8e466d87f6f0634b5ee11effb4ab278b09af094fdf634e1ecb7f1

          SHA512

          3f91dcd61061c51da061b8ed680acc7caef964ad61403b3143a4d20caf4546324b150fe26a2f8b6dc83ca4ae02579d2c7ef9a88414f07873409dd87038c87569

        • C:\Windows\SysWOW64\system manager.exe
          Filesize

          56KB

          MD5

          b82f453f91e18565385e4a7126506fa2

          SHA1

          54f76a03a48481f8286a3977cb1302e6dce7e592

          SHA256

          83d0c88d59c8e466d87f6f0634b5ee11effb4ab278b09af094fdf634e1ecb7f1

          SHA512

          3f91dcd61061c51da061b8ed680acc7caef964ad61403b3143a4d20caf4546324b150fe26a2f8b6dc83ca4ae02579d2c7ef9a88414f07873409dd87038c87569

        • memory/1580-134-0x0000000074BC0000-0x0000000075171000-memory.dmp
          Filesize

          5.7MB

        • memory/1848-135-0x00000000055E0000-0x000000000567C000-memory.dmp
          Filesize

          624KB

        • memory/1848-130-0x0000000000000000-mapping.dmp
        • memory/1848-131-0x0000000000400000-0x0000000000414000-memory.dmp
          Filesize

          80KB

        • memory/1848-133-0x0000000000400000-0x0000000000414000-memory.dmp
          Filesize

          80KB

        • memory/1848-136-0x0000000005C30000-0x00000000061D4000-memory.dmp
          Filesize

          5.6MB

        • memory/1848-137-0x00000000056F0000-0x0000000005756000-memory.dmp
          Filesize

          408KB

        • memory/1944-146-0x0000000000000000-mapping.dmp
        • memory/1944-150-0x0000000000780000-0x0000000000794000-memory.dmp
          Filesize

          80KB

        • memory/1944-153-0x0000000000780000-0x0000000000794000-memory.dmp
          Filesize

          80KB

        • memory/4668-142-0x0000000000000000-mapping.dmp
        • memory/4668-151-0x0000000074C60000-0x0000000075211000-memory.dmp
          Filesize

          5.7MB

        • memory/4924-141-0x0000000005240000-0x000000000527C000-memory.dmp
          Filesize

          240KB

        • memory/4924-139-0x0000000000400000-0x000000000040E000-memory.dmp
          Filesize

          56KB

        • memory/4924-138-0x0000000000000000-mapping.dmp