Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 14:43

General

  • Target

    2024-11-23_4c8acb9d98b24b727031d7ce55157c76_smoke-loader_wapomi.exe

  • Size

    1.1MB

  • MD5

    4c8acb9d98b24b727031d7ce55157c76

  • SHA1

    90439d0ef38869f59b6193ed098282ac9e08b626

  • SHA256

    35814d815080011392f0abf62bb6b1a5164a176c06f76e00119448498b7f8546

  • SHA512

    8d705c4c25ecaf7af00cb5fe20d6d2aa28e4d90b540503964dae89164a7bb339a343d31e61009d642ba043ed4b88b0c5f8d80dffcb188200c42da5140fc30733

  • SSDEEP

    12288:ZqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+:ZnajQEPnvg6PhWDC750

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 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-23_4c8acb9d98b24b727031d7ce55157c76_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-23_4c8acb9d98b24b727031d7ce55157c76_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Users\Admin\AppData\Local\Temp\eWPiFt.exe
      C:\Users\Admin\AppData\Local\Temp\eWPiFt.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:3972
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\584f563b.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1500
      2⤵
      • Program crash
      PID:1980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4812 -ip 4812
    1⤵
      PID:2248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\584f563b.bat

      Filesize

      187B

      MD5

      14f138aa7d86fcf8c36622f0118d410d

      SHA1

      47485d5245289168c5e97ec941ab5756fb90a458

      SHA256

      bed7e50a2ec617bfe4259751c92493cecb408ceaabeff5e25cf0ed7d05872da3

      SHA512

      caa6c412771d63501b96dd4d0f037755f3ccc60a50612333cc97db40b17e60efb53840a0ea52c84f57572b7263b866762d185b27ff0dec88c119ee5264da6f92

    • C:\Users\Admin\AppData\Local\Temp\771021B8.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/3972-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3972-15-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4812-0-0x0000000000400000-0x0000000000523000-memory.dmp

      Filesize

      1.1MB

    • memory/4812-7-0x0000000000400000-0x0000000000523000-memory.dmp

      Filesize

      1.1MB