Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 04:25

General

  • Target

    2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe

  • Size

    35KB

  • MD5

    3678b6fac035fcc1f705c291a9039c58

  • SHA1

    925a09039de5d0006daf64cbacb798d285f91445

  • SHA256

    dd23b91802db436df659ce628cd7ac36e1b5240b55f711f69c595c4b7d537e41

  • SHA512

    00ee093f46e49d7709a9a1dddc5f8e6b1d782832355bb8946382a2208fc9f5c9a6563670d947d71e0d21a4949a9ff66bd17f68484377b0c6f71ec30fa25b1be7

  • SSDEEP

    768:3wv4s7UUpOvj8u4Mf4MMRt4Mtj6QGPL4vzZq2o9W7GsxBbPr:3wvvoqO4uP87t5GCq2iW7z

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\nvKAct.exe
      C:\Users\Admin\AppData\Local\Temp\nvKAct.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\5b0e4877.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6G4X5UFP\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\139059EB.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\5b0e4877.bat

    Filesize

    187B

    MD5

    b1c95ada5785b66120c1f1e602008a4b

    SHA1

    6e2e497c7bb3e8324535fae08d25088c4e07bf34

    SHA256

    be8b9a9f981f3d012f5e5864df4ba224db7c2afe6d546a08642f6e147a008680

    SHA512

    d3c8ba5a1963aaab4395886bcfd03b5c9a203d9d4e3e8a9c8a31be4ba8474c3591e463cd820f787cd0bc7801a6eb76b2fc14f45720020611bd8591dd097e5a36

  • \Users\Admin\AppData\Local\Temp\nvKAct.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2612-0-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2612-10-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB

  • memory/2612-9-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB

  • memory/2612-56-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2864-11-0x0000000000F10000-0x0000000000F19000-memory.dmp

    Filesize

    36KB

  • memory/2864-54-0x0000000000F10000-0x0000000000F19000-memory.dmp

    Filesize

    36KB