Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 12:49

General

  • Target

    2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe

  • Size

    820KB

  • MD5

    4eee65406b2d09df1fa5f4acdfbcae3a

  • SHA1

    3bff4caafeb79c311078b67e9a1703dd229b2a82

  • SHA256

    dbeb578c366bac54e21557e07d3af90c757e134e1cf90ebe8fd799650fd3838f

  • SHA512

    749cdba975ee6aa1039a08a77cbf54677f8bb93abbaa374b82d0f5372877d1c2fc8a09aad0ff0e8f01dc5e939c3a6b3598552a41fd8ab7f5b3e69108cc461667

  • SSDEEP

    12288:In78aejEi7Qec2MDFs88z1y55r4cP43NC+HvnPmygtMqU0LbE8bKFZQLPkNmGKG+:+gEiXc22uz1y5ffx1t

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 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\2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\gKaEFX.exe
      C:\Users\Admin\AppData\Local\Temp\gKaEFX.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1264
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\29152219.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\29152219.bat

    Filesize

    187B

    MD5

    70dea8c21fe6be0fa39f12306be1745f

    SHA1

    0fc182bbaa61de5f47cc7dbfb906449f87c4ffef

    SHA256

    7741f75ba389a6c8811b5552a482a26c7dacbeecf41e6d55f9f4d2054f4cb126

    SHA512

    970a086b144fa3423a9b8f14cd293b51ac17d79ab3fe059b0302cdfcface5fbc8c8e056e12c28e0d0d1009191f6254d45544be7c8a3090ed8dad074ec107a221

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1264-12-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

    Filesize

    36KB

  • memory/1264-16-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

    Filesize

    36KB

  • memory/2492-0-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/2492-11-0x0000000000300000-0x0000000000309000-memory.dmp

    Filesize

    36KB

  • memory/2492-10-0x0000000000300000-0x0000000000309000-memory.dmp

    Filesize

    36KB

  • memory/2492-15-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB