Analysis

  • max time kernel
    140s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16-04-2022 23:01

General

  • Target

    FA57F7CBA4406D815947A3A2481842F6B0E1C6D82CB3E.exe

  • Size

    1.2MB

  • MD5

    c254954614087279f57a4ccf72b0f17e

  • SHA1

    c9d682effba1ee1e88dc85d8266b8ed4856ffad7

  • SHA256

    fa57f7cba4406d815947a3a2481842f6b0e1c6d82cb3e78d0526b1921222363b

  • SHA512

    c3a0cc93d2db9f02ab404272ede18ad4b17345eae431b040b80713d8e4b684ccb5b4be09675afcdf751d45bf90e1b8ac903f2e5d3ba27d36d2976a883d981187

Malware Config

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FA57F7CBA4406D815947A3A2481842F6B0E1C6D82CB3E.exe
    "C:\Users\Admin\AppData\Local\Temp\FA57F7CBA4406D815947A3A2481842F6B0E1C6D82CB3E.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\AppData\Roaming\Microsoft\nep.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\nep.exe
      2⤵
      • Executes dropped EXE
      PID:1116
    • C:\Users\Admin\AppData\Roaming\Microsoft\temp987879.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\temp987879.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1392
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
          4⤵
            PID:700

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      55B

      MD5

      2a2c0a9b9eaefc42f7d37d6b81cd22b1

      SHA1

      1cb28f3d767abac11bb3602a900cfbb1cfaa1d22

      SHA256

      78424234f3eb27d71afe40cfdb4366068734670257ad2845681152145e9b3ef9

      SHA512

      6e2aa4e94d5b537c7a4fc839e788d7f20e1838ad92fadb4efaa0c2c1363c4be91c7a7bcc16914261152a0836a8b3079e2d643dca45ba4f28f5ab4d67420f8f75

    • C:\Users\Admin\AppData\Roaming\Microsoft\nep.exe
      Filesize

      141KB

      MD5

      b0357e7983f063ee315da468d588ec56

      SHA1

      da3b5d6fa1c9f7af8e4c65be69299d8c8b6a1fa1

      SHA256

      50712085a9304b703b0b2ef4ea501db68e8a8548f3a87f39f2c84ed651cd42a7

      SHA512

      386d6c56d80f3f56265307c428ecbe528056767b780c0f0808873ecbb6d4aeaec0526e1739500845676b9ef68e921698b0b157a26117c7c941e51f107b1f4ce6

    • C:\Users\Admin\AppData\Roaming\Microsoft\nep.exe
      Filesize

      141KB

      MD5

      b0357e7983f063ee315da468d588ec56

      SHA1

      da3b5d6fa1c9f7af8e4c65be69299d8c8b6a1fa1

      SHA256

      50712085a9304b703b0b2ef4ea501db68e8a8548f3a87f39f2c84ed651cd42a7

      SHA512

      386d6c56d80f3f56265307c428ecbe528056767b780c0f0808873ecbb6d4aeaec0526e1739500845676b9ef68e921698b0b157a26117c7c941e51f107b1f4ce6

    • C:\Users\Admin\AppData\Roaming\Microsoft\temp987879.exe
      Filesize

      582KB

      MD5

      cbb9b9506a9f6253c6909d64d2fdb4f6

      SHA1

      37eb92fa22c2d69d7dd69114254e45c37828890a

      SHA256

      d414f44504e8c85ffa4c84deca2f18e3d7ac5f6787117538372d40f33e98a92d

      SHA512

      dd6a39359c3ff8837284e1ad418c47d921abfd38aa7afccdc766c4ba98de9d4dace8c15239c50c67fb2cfe7d27c9b591bb6224f9584ae3b0152b7c2133b201e0

    • C:\Users\Admin\AppData\Roaming\Microsoft\temp987879.exe
      Filesize

      582KB

      MD5

      cbb9b9506a9f6253c6909d64d2fdb4f6

      SHA1

      37eb92fa22c2d69d7dd69114254e45c37828890a

      SHA256

      d414f44504e8c85ffa4c84deca2f18e3d7ac5f6787117538372d40f33e98a92d

      SHA512

      dd6a39359c3ff8837284e1ad418c47d921abfd38aa7afccdc766c4ba98de9d4dace8c15239c50c67fb2cfe7d27c9b591bb6224f9584ae3b0152b7c2133b201e0

    • \Users\Admin\AppData\Roaming\Microsoft\nep.exe
      Filesize

      141KB

      MD5

      b0357e7983f063ee315da468d588ec56

      SHA1

      da3b5d6fa1c9f7af8e4c65be69299d8c8b6a1fa1

      SHA256

      50712085a9304b703b0b2ef4ea501db68e8a8548f3a87f39f2c84ed651cd42a7

      SHA512

      386d6c56d80f3f56265307c428ecbe528056767b780c0f0808873ecbb6d4aeaec0526e1739500845676b9ef68e921698b0b157a26117c7c941e51f107b1f4ce6

    • \Users\Admin\AppData\Roaming\Microsoft\temp987879.exe
      Filesize

      582KB

      MD5

      cbb9b9506a9f6253c6909d64d2fdb4f6

      SHA1

      37eb92fa22c2d69d7dd69114254e45c37828890a

      SHA256

      d414f44504e8c85ffa4c84deca2f18e3d7ac5f6787117538372d40f33e98a92d

      SHA512

      dd6a39359c3ff8837284e1ad418c47d921abfd38aa7afccdc766c4ba98de9d4dace8c15239c50c67fb2cfe7d27c9b591bb6224f9584ae3b0152b7c2133b201e0

    • memory/556-54-0x00000000755C1000-0x00000000755C3000-memory.dmp
      Filesize

      8KB

    • memory/700-84-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/700-86-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/700-92-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/700-90-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/700-87-0x0000000000407286-mapping.dmp
    • memory/700-81-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/700-82-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/700-85-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/1116-63-0x0000000000C70000-0x0000000000C9A000-memory.dmp
      Filesize

      168KB

    • memory/1116-66-0x000000001B250000-0x000000001B252000-memory.dmp
      Filesize

      8KB

    • memory/1116-67-0x000000001B256000-0x000000001B275000-memory.dmp
      Filesize

      124KB

    • memory/1116-56-0x0000000000000000-mapping.dmp
    • memory/1392-69-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1392-77-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1392-79-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1392-80-0x0000000000370000-0x0000000000388000-memory.dmp
      Filesize

      96KB

    • memory/1392-74-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1392-75-0x0000000000492ED2-mapping.dmp
    • memory/1392-73-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1392-72-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1392-70-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/2024-59-0x0000000000000000-mapping.dmp
    • memory/2024-64-0x0000000001280000-0x0000000001318000-memory.dmp
      Filesize

      608KB

    • memory/2024-68-0x0000000000210000-0x0000000000228000-memory.dmp
      Filesize

      96KB

    • memory/2024-65-0x000000001B690000-0x000000001B692000-memory.dmp
      Filesize

      8KB