Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 06:46

General

  • Target

    50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046.exe

  • Size

    1.3MB

  • MD5

    c348c7474dbfe0f8414fe64603b8bc98

  • SHA1

    1fd7196433a1e24f1f4b55f3417811743f74d3a7

  • SHA256

    50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046

  • SHA512

    1ac40b6d6ffef6757f438d1051b8b07ce120fe25f689d47e75e86a31b74af833779d4c6de974eb3554ea456c24f31ccf5369e23b23cc9e14f7e420bde2cae952

  • SSDEEP

    12288:0Uko6ofNT6NpgwyijqPwwGDNP1BvZa0aY6tV/1jyO3JVLJu4tugaxs2nv9mtISwH:wJofV6jgwDePjG91Bv3cVLoxs2v9dF

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • 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 1 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).

  • Program crash 1 IoCs
  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046.exe
    "C:\Users\Admin\AppData\Local\Temp\50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Users\Admin\AppData\Local\Temp\HTvgGL.exe
      C:\Users\Admin\AppData\Local\Temp\HTvgGL.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:4908
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6dd7791d.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 856
      2⤵
      • Program crash
      PID:2308
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1852 -ip 1852
    1⤵
      PID:3620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\11286F36.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\6dd7791d.bat

      Filesize

      187B

      MD5

      6f3d050627777ab7e1d162b8afd68250

      SHA1

      adf93913f443f1c5a65d1613d5bcdae15166f72f

      SHA256

      83667de51129bbd388318cb4be0c379bdf503f71930139c7b2e4cd674145afc0

      SHA512

      b63cd9529af3cfaecb57b9150c7b29b9961827962b7c73a45bb182e8922268126a7dea78d18688c4506a9eecfe9f041d656901e8a6cbcdb10d22407331e7bccd

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/1852-0-0x0000000000400000-0x0000000000559000-memory.dmp

      Filesize

      1.3MB

    • memory/1852-48-0x0000000000400000-0x0000000000559000-memory.dmp

      Filesize

      1.3MB

    • memory/4908-4-0x0000000000FE0000-0x0000000000FE9000-memory.dmp

      Filesize

      36KB

    • memory/4908-46-0x0000000000FE0000-0x0000000000FE9000-memory.dmp

      Filesize

      36KB