Analysis

  • max time kernel
    125s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 13:18

General

  • Target

    5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe

  • Size

    14.9MB

  • MD5

    14b4666448134224bfd44d2f6c248872

  • SHA1

    4ab14ff17dd9dafabdf3ab131eda4735f85920ee

  • SHA256

    5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242

  • SHA512

    18c756db39a72160e3714a69281d86195ed7069e128afce43756c0d3c55d633674cd5b06d782ff7ff0f4c2490b7c992533238cb9178b4536d0f0b3aa802b2548

  • SSDEEP

    196608:RWzxiAZQGSVyUxHOmzdUG35rZODxge3Hub7WLvlAXOpKwdou2rTX+0O/:AqGSVRHT2GprZU3eUvhKwdoPX+0A

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 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 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe
    "C:\Users\Admin\AppData\Local\Temp\5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Users\Admin\AppData\Local\Temp\cBxg.exe
      C:\Users\Admin\AppData\Local\Temp\cBxg.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:4772
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\33dc774a.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\33dc774a.bat

    Filesize

    183B

    MD5

    dd823a7b2abdeba2a50415115d91d7ce

    SHA1

    e139404ce5ca00a77918d05f0d962bebec6ae0df

    SHA256

    b72e58871e4efac4a97ae7c0456430cd5033690023c2fdf84581d128e534b947

    SHA512

    2d50648dedec4bd5f30be195509a346a5b2bfb072d46eec19e643f741dfde47235752eaee9e053a569f6ada5b96ada5fd503eaaf915c1ba906956bf686436ea9

  • C:\Users\Admin\AppData\Local\Temp\77871642.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/740-20-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-29-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-49-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-47-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-46-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-43-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-39-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-37-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-36-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-31-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-23-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-21-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-52-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-15-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-13-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-53-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-27-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-25-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-17-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-11-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-9-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-8-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-7-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-33-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/740-5-0x0000000000400000-0x0000000001325000-memory.dmp

    Filesize

    15.1MB

  • memory/740-78-0x0000000000400000-0x0000000001325000-memory.dmp

    Filesize

    15.1MB

  • memory/740-79-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/4772-80-0x0000000000C20000-0x0000000000C29000-memory.dmp

    Filesize

    36KB

  • memory/4772-6-0x0000000000C20000-0x0000000000C29000-memory.dmp

    Filesize

    36KB