Analysis

  • max time kernel
    92s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 03:33

General

  • Target

    8533bb3ca7c39789952be350fd2260960eed5dd1c79dffa00f53bdbbeaf4f2f3N.exe

  • Size

    186KB

  • MD5

    80ab00a9489d26fbdaf146e50bc89020

  • SHA1

    5429ff45211a500ab30b2d1719a57cef2204ffc7

  • SHA256

    8533bb3ca7c39789952be350fd2260960eed5dd1c79dffa00f53bdbbeaf4f2f3

  • SHA512

    80e621d5b0057b9d9b9dcc6bf3f12a7d73d830c2715960f7fdd0793635cc2c22b151a6faa5114b2fc22140805ceb853681115e029e5377bec25e98770314bd57

  • SSDEEP

    1536:tBVPZVWcDjK/9vE+XFOC3++JWjAcoX/eZqSMRPYeZqSMRqeZqSMRcKLEVGCq2iWv:t72ZO+J4AcoXcsjgCLYGCH

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8533bb3ca7c39789952be350fd2260960eed5dd1c79dffa00f53bdbbeaf4f2f3N.exe
    "C:\Users\Admin\AppData\Local\Temp\8533bb3ca7c39789952be350fd2260960eed5dd1c79dffa00f53bdbbeaf4f2f3N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Users\Admin\AppData\Local\Temp\VqoVYh.exe
      C:\Users\Admin\AppData\Local\Temp\VqoVYh.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\60467918.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:532
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy /y C:\Users\Admin\AppData\Local\Temp\iaStorA.sys C:\Windows\System32\Drivers
      2⤵
        PID:3680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\4B044442.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\60467918.bat

      Filesize

      187B

      MD5

      544aba25af148a326e4e2ce85a8d455d

      SHA1

      143fbaba10af884f69b73f6afa6775f8b975b288

      SHA256

      5acfad422cef9a12af0988cc1f99007d074a173e14c697ea468f80fa4f31021c

      SHA512

      d62f901671525a8194ad05895c0078fe9f1f282791c54311b39293b8dbfdcdd68fd5967ed7118f0a36bcf0257cfe84aead9230806e4eaa9dd96d02f6b51cfbd5

    • C:\Users\Admin\AppData\Local\Temp\VqoVYh.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/3376-0-0x00000000000D0000-0x0000000000105000-memory.dmp

      Filesize

      212KB

    • memory/3376-7-0x00000000000D0000-0x0000000000105000-memory.dmp

      Filesize

      212KB

    • memory/4856-5-0x0000000000230000-0x0000000000239000-memory.dmp

      Filesize

      36KB

    • memory/4856-46-0x0000000000230000-0x0000000000239000-memory.dmp

      Filesize

      36KB