Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2025 12:24

General

  • Target

    2025-01-31_d6ef21245b29bcb94aa1030e888c173b_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    d6ef21245b29bcb94aa1030e888c173b

  • SHA1

    683c580e2c3af13f9c0116f5971aaf3c898a5b2c

  • SHA256

    83ff583fa073675bace6d539d2ec940fcfd917a5f102b0b3cb490a4f91fab8ee

  • SHA512

    8db92ebdc9f7d909a18d01ab45e5e52227e8477d467535252dfcc43d24bdba18fe3c2dcc84966f5851b8f95c4572d01f0dc70d94e54130eeda7464cb59809cfe

  • SSDEEP

    1536:Yg/6/tM8NXDjPX0QWlfGMckTQMLGCq2iW7z:Hk3U8kTQaGCH

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).

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-31_d6ef21245b29bcb94aa1030e888c173b_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_d6ef21245b29bcb94aa1030e888c173b_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\QLZVMlIT.exe
      C:\Users\Admin\AppData\Local\Temp\QLZVMlIT.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:2860
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7a2b2e0b.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H693S724\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\5F1D1490.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\7a2b2e0b.bat

    Filesize

    191B

    MD5

    1f6c4e9ae8246fb73649fd0fe2ff1775

    SHA1

    4fcfa20da7f1a0aa73cc49219db00a704c4f6e1f

    SHA256

    1ee6e6003bca424a616622da601e28fda0eb00cd7abb154bac18d486c68e301d

    SHA512

    053f6204cd67943bda273615dd8be8889e1d27901ff177205e90dc4e7603763173d4cfcf3844c2baab00f699291b98eee65f1efd5a3f04a41912defe31ca9bf5

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

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/2860-4-0x0000000000840000-0x0000000000849000-memory.dmp

    Filesize

    36KB

  • memory/2860-47-0x0000000000840000-0x0000000000849000-memory.dmp

    Filesize

    36KB

  • memory/3076-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/3076-6-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB