Analysis

  • max time kernel
    110s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22-01-2022 20:07

General

  • Target

    0fba4fe17da6f869210904e2b613a95e.exe

  • Size

    381KB

  • MD5

    0fba4fe17da6f869210904e2b613a95e

  • SHA1

    d43d9a8cd8c8ab443a8567e8e467f58395b9c307

  • SHA256

    857e88abbcf84ed98d208749da6457a7858176656f7ed4916adf355794e67fec

  • SHA512

    669c6a05ae0452cceb888df484fe4b2dcc020213e06622512b451deee438d143378f49fc05bab9f6735ad2503010e321924f43a62a10562dbc5ee30c883d1c0d

Malware Config

Signatures

  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fba4fe17da6f869210904e2b613a95e.exe
    "C:\Users\Admin\AppData\Local\Temp\0fba4fe17da6f869210904e2b613a95e.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\0fba4fe17da6f869210904e2b613a95e.exe
      "C:\Users\Admin\AppData\Local\Temp\0fba4fe17da6f869210904e2b613a95e.exe"
      2⤵
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:960
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\0fba4fe17da6f869210904e2b613a95e.exe
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2200
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\dicfhqays0.txt"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1212
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\dicfhqays1.txt"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:2936
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\dicfhqays2.txt"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1660
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\dicfhqays3.txt"
          4⤵
            PID:368
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\dicfhqays4.txt"
            4⤵
              PID:1148

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\dicfhqays2.txt
        MD5

        f94dc819ca773f1e3cb27abbc9e7fa27

        SHA1

        9a7700efadc5ea09ab288544ef1e3cd876255086

        SHA256

        a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

        SHA512

        72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

      • C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\dicfhqays4.txt
        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • memory/960-124-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/960-127-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/2764-118-0x0000000005210000-0x0000000005220000-memory.dmp
        Filesize

        64KB

      • memory/2764-120-0x0000000005990000-0x0000000005A2C000-memory.dmp
        Filesize

        624KB

      • memory/2764-121-0x0000000005B30000-0x0000000005B92000-memory.dmp
        Filesize

        392KB

      • memory/2764-122-0x0000000006090000-0x000000000658E000-memory.dmp
        Filesize

        5.0MB

      • memory/2764-123-0x0000000005C60000-0x0000000005CC6000-memory.dmp
        Filesize

        408KB

      • memory/2764-119-0x0000000005620000-0x000000000566B000-memory.dmp
        Filesize

        300KB

      • memory/2764-115-0x00000000008D0000-0x0000000000936000-memory.dmp
        Filesize

        408KB

      • memory/2764-117-0x00000000052D0000-0x0000000005362000-memory.dmp
        Filesize

        584KB

      • memory/2764-116-0x0000000005220000-0x0000000005221000-memory.dmp
        Filesize

        4KB