Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 10:31

General

  • Target

    2025-01-07_c1e8a3b9e94f09d357ca074086207ad6_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    c1e8a3b9e94f09d357ca074086207ad6

  • SHA1

    ca0199a83a6a29f91e414ccf53d36580d9e40b9c

  • SHA256

    7031d3ff8496a8e2ca7bbf0d255fcb1925282446a1567e8dce5aac26e389862c

  • SHA512

    fd1b522743761069b610cceae3a9fd0b29b67855629493a8eebad1aba2177b4352c6833bed114578c69982774ec5787b695cb1e24f26f6b57fdb8a1574696a04

  • SSDEEP

    1536:RfnLq01weW5yX3jFxv49Nu4GhQQkGCq2iW7z:Y3ysTGhQVGCH

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\2025-01-07_c1e8a3b9e94f09d357ca074086207ad6_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-07_c1e8a3b9e94f09d357ca074086207ad6_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Users\Admin\AppData\Local\Temp\fKCPoM.exe
      C:\Users\Admin\AppData\Local\Temp\fKCPoM.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:4912
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\576b47bb.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\576b47bb.bat

    Filesize

    187B

    MD5

    053b288a3ed25310fb47109a21c9053b

    SHA1

    fde5361266eec90b4d399df7b9bdadf1c29be1be

    SHA256

    148a3f45301e59bce99034045a85af3e81042a8929b8e9d017f4f051fdd6efc3

    SHA512

    36a2ab1509ffdf4f66199f4856157c9751ec453419d8b3d40abe1fd445e13a34d4ecc219d6151c47dea0f6a2e582515ffa263171a2d31c24a5eb3228753f7ad7

  • C:\Users\Admin\AppData\Local\Temp\712575AA.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/904-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/904-5-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/4912-4-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB

  • memory/4912-46-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB