Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 10:23

General

  • Target

    2024-12-28_93bc13a5ccf808ac29d512748221ce1d_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    93bc13a5ccf808ac29d512748221ce1d

  • SHA1

    bff2313cab29f6301d4131eb2f211d4b26743a90

  • SHA256

    65214c3035c0f49f04a69d0c23f90f5b2b0135b706991ce5a9842fc6e4a077ed

  • SHA512

    342d40e8b5cce907f02123c1eec89bc18233468a7c7bba7c3b180de4a05fdc1996d509545129db8e9207cfa70b8eced8798633f6ce82c75c399a680bb655da37

  • SSDEEP

    1536:Yg/6/tM8NXDjPX0QWlfGMckTQwZGCq2iW7z:Hk3U8kTQUGCH

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\2024-12-28_93bc13a5ccf808ac29d512748221ce1d_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-28_93bc13a5ccf808ac29d512748221ce1d_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\rbQTKRDg.exe
      C:\Users\Admin\AppData\Local\Temp\rbQTKRDg.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\4d1031a4.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4d1031a4.bat

    Filesize

    191B

    MD5

    1e8157d23a6d6d00a127872294284b3a

    SHA1

    8ddb36bdedac304e9fbd50b879c9ea3f6289fc70

    SHA256

    c747fb0ad5ffb1af788d823ffcfe0f8316e096dbb114c4b5bf796475851d6369

    SHA512

    e214785a3e031395b1e4fa5ca26b60ca9ff6bb58100324eeedcd88c4ee7c07eba301c2ad4ea4ce8cae1ed502c8fbbe08c41c32a6c40a96751ecae20e564dca89

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2372-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2372-9-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2372-4-0x0000000000A80000-0x0000000000A89000-memory.dmp

    Filesize

    36KB

  • memory/2692-29-0x0000000000A80000-0x0000000000A89000-memory.dmp

    Filesize

    36KB