Analysis

  • max time kernel
    123s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 22:34

General

  • Target

    e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe

  • Size

    96KB

  • MD5

    41c99e820034991e5ef3510d6d4ea592

  • SHA1

    ac65bea1f9ac08797c216337cf3337830907c807

  • SHA256

    e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68

  • SHA512

    85c2f984b29c81082bc649b332ecfce23d9689aeffba063f8bcc24e3c1ff2170a809c2f306fb1ce6b44a31e227fa87946dd897fca3119c9c89e105701575a72d

  • SSDEEP

    1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1PiGCq2iW7zq:pJLrp0cQ7QAINqPDHQnchGCHm

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 5 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe
    "C:\Users\Admin\AppData\Local\Temp\e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Local\Temp\aAFgrKW.exe
      C:\Users\Admin\AppData\Local\Temp\aAFgrKW.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\6d7c1b45.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\K0PVW9XR\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\6d7c1b45.bat

    Filesize

    189B

    MD5

    f310010c765ee2cd9b2de20c7e76c3c9

    SHA1

    aae4a1e320a2deb4ac9e7cfecc5743fe0edc548c

    SHA256

    3338a14422f0c66f1bab2d39fd7aff62747ece1c1719a1706a31ea8fa0273cf3

    SHA512

    632ae790c8536d72f10cd1d5d5996265e9b18f4f1de6e576f6dd91b2b92a62c38f53f819544e5dd857e14651784db25a967c24b30270e7ad1514f1d3636f181a

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2492-18-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2492-19-0x00000000002D6000-0x00000000002D7000-memory.dmp

    Filesize

    4KB

  • memory/2492-17-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

  • memory/2492-35-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

  • memory/2876-11-0x0000000000190000-0x0000000000199000-memory.dmp

    Filesize

    36KB

  • memory/2876-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2876-10-0x0000000000190000-0x0000000000199000-memory.dmp

    Filesize

    36KB

  • memory/2876-21-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2876-1-0x0000000000020000-0x0000000000039000-memory.dmp

    Filesize

    100KB

  • memory/2876-2-0x0000000000020000-0x0000000000039000-memory.dmp

    Filesize

    100KB