Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 13:27

General

  • Target

    2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    9dbd43d3b9e7914237125834b22c5b39

  • SHA1

    ea11d14c94315638ae2c89a8a9abf0f7abe6e3e4

  • SHA256

    d75ba6d93f633e603e7ff4983e55683f13267e6450159a99940cad1032a3f009

  • SHA512

    4fbf25947cd9a221d36290bc0599ba8bb8d62d67c476e43d22635c3c32cafb19f9a4a993d5740de16a1ad74fa2b7ab5c38a163f6ff5b4c8393514196641fee33

  • SSDEEP

    1536:RfnLq01weW5yX3jFxv49Nu4GhQ5YGCq2iW7z:Y3ysTGhQ+GCH

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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\MhJRHt.exe
      C:\Users\Admin\AppData\Local\Temp\MhJRHt.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\43ad1e33.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\43ad1e33.bat

    Filesize

    187B

    MD5

    8ea66333bc05c492609c4c2fcc6a2ca0

    SHA1

    e911855729b614a35ea7f00fe7c5f2963000158b

    SHA256

    3eb48f9b2643df20792582c22bebe3fed5fa4320029f62729f9675a96b830657

    SHA512

    abdf87f4effa0e4f91f5bdc90429dc013d474dc34ad543bf68808b83381dff5390866f232a99f145b991f923b488af47a9f8f46f60cba1042f7a4d45c1680027

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2272-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2272-8-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2740-10-0x0000000000FE0000-0x0000000000FE9000-memory.dmp

    Filesize

    36KB

  • memory/2740-14-0x0000000000FE0000-0x0000000000FE9000-memory.dmp

    Filesize

    36KB