Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2022 13:42

General

  • Target

    ACAD4A9863D251BBB0F2724C743E0C2B51D953DB7DFF0.exe

  • Size

    424KB

  • MD5

    a809c41d8589013933ed759fe1b8f4fb

  • SHA1

    1d8b8ed7e1577d314b307a39d77b51d98cde8567

  • SHA256

    acad4a9863d251bbb0f2724c743e0c2b51d953db7dff041db7a0ae6f607622f8

  • SHA512

    721883b08195b40875aba7c150970583845b1677d3158e7d7ccbc751d0203888861056206716ad29c4648297a03f11ca83b61b988d640520868e48018f6b3581

  • SSDEEP

    6144:5ddVrIvYRJOa0tJSyOz6F59AMSIm9/4B/2omAkeKAqfIJyp9V/o9aM:LrI0O1+yO+plGq2TOKA7Ju

Malware Config

Extracted

Family

netwire

C2

moran101.duckdns.org:7011

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    BILLIONS $$

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Naija81,J

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 9 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ACAD4A9863D251BBB0F2724C743E0C2B51D953DB7DFF0.exe
    "C:\Users\Admin\AppData\Local\Temp\ACAD4A9863D251BBB0F2724C743E0C2B51D953DB7DFF0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\System32\cscript.exe" //B //Nologo C:\Users\Admin\trrefghuy.vbs
      2⤵
      • Drops startup file
      • Loads dropped DLL
      PID:1928
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:908
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\ACAD4A9863D251BBB0F2724C743E0C2B51D953DB7DFF0.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:292
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:276

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\fdrdf.exe
        Filesize

        424KB

        MD5

        a809c41d8589013933ed759fe1b8f4fb

        SHA1

        1d8b8ed7e1577d314b307a39d77b51d98cde8567

        SHA256

        acad4a9863d251bbb0f2724c743e0c2b51d953db7dff041db7a0ae6f607622f8

        SHA512

        721883b08195b40875aba7c150970583845b1677d3158e7d7ccbc751d0203888861056206716ad29c4648297a03f11ca83b61b988d640520868e48018f6b3581

      • C:\Users\Admin\trrefghuy.vbs
        Filesize

        305B

        MD5

        7f66348280b1a7fd0e04e6ee8d2d654b

        SHA1

        05fecea87f6ce22bb708c85c1ff25158470b20dd

        SHA256

        bca33e8baca3f59f154c57d32dfe5ca5163bc5ac994eee0dc37e940a1cff0f9d

        SHA512

        c17fe7769b9dac6a079f5fb63fb96f28b54431139d6d64c5cbf6fb16b763252da91238108bab0ed27a9fd4d199d76bca8dd51c9277e16a64622846f8037a5b4b

      • \Users\Admin\AppData\Roaming\fdrdf.exe
        Filesize

        424KB

        MD5

        a809c41d8589013933ed759fe1b8f4fb

        SHA1

        1d8b8ed7e1577d314b307a39d77b51d98cde8567

        SHA256

        acad4a9863d251bbb0f2724c743e0c2b51d953db7dff041db7a0ae6f607622f8

        SHA512

        721883b08195b40875aba7c150970583845b1677d3158e7d7ccbc751d0203888861056206716ad29c4648297a03f11ca83b61b988d640520868e48018f6b3581

      • memory/276-80-0x0000000000000000-mapping.dmp
      • memory/292-78-0x0000000000000000-mapping.dmp
      • memory/908-73-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-71-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-83-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-82-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-79-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-65-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-66-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-68-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-70-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/908-75-0x0000000000402BCB-mapping.dmp
      • memory/908-74-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/1884-54-0x0000000000BD0000-0x0000000000C40000-memory.dmp
        Filesize

        448KB

      • memory/1884-56-0x0000000000460000-0x00000000004B2000-memory.dmp
        Filesize

        328KB

      • memory/1884-64-0x0000000000A90000-0x0000000000ABC000-memory.dmp
        Filesize

        176KB

      • memory/1884-55-0x0000000000390000-0x0000000000398000-memory.dmp
        Filesize

        32KB

      • memory/1884-57-0x00000000003E0000-0x0000000000406000-memory.dmp
        Filesize

        152KB

      • memory/1884-58-0x0000000075571000-0x0000000075573000-memory.dmp
        Filesize

        8KB

      • memory/1928-59-0x0000000000000000-mapping.dmp