Analysis

  • max time kernel
    80s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 12:40

General

  • Target

    58941248f0f0ecbadef4f5ccdf9343b045961b4cf3161b1a4423377b79fc61e2N.exe

  • Size

    72KB

  • MD5

    b293ca96c62a287191eacdec7326b990

  • SHA1

    1ff15bda0fef2793d3d05239a5705b9a5ca7681d

  • SHA256

    58941248f0f0ecbadef4f5ccdf9343b045961b4cf3161b1a4423377b79fc61e2

  • SHA512

    b258979c5cc9e2036d425aa086826f8dbdedef8ed4d36fa92b50d04a4e16722428e6548b0139a4f668408324b6dc39137f0c15bef32d0c128ddef96c3a4b687e

  • SSDEEP

    768:Qdwz0k23YXEL5kYcDjf19W6q0GEiMywPoTVIgsQGPL4vzZq2o9W7GsxBbPr:7e6HfDWs3oTVPvGCq2iW7z

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\58941248f0f0ecbadef4f5ccdf9343b045961b4cf3161b1a4423377b79fc61e2N.exe
    "C:\Users\Admin\AppData\Local\Temp\58941248f0f0ecbadef4f5ccdf9343b045961b4cf3161b1a4423377b79fc61e2N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Users\Admin\AppData\Local\Temp\qJgbivN.exe
      C:\Users\Admin\AppData\Local\Temp\qJgbivN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\50f9743d.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\50f9743d.bat

    Filesize

    189B

    MD5

    cac01c698fc91e9306f306a7b9ea5d6e

    SHA1

    27143a92ccfe910094a37ba145723595d980bd25

    SHA256

    2eb18a37bcafb2ce971f2c8e058fc64ea55668cf21ad0cdade12c09390d4af1e

    SHA512

    e57337e7419236ff591bab93edd97a750049711127f5b13e681fab3ce8353bddeded60420e626884f46a3ce1b349220c7b024d5d22dd0f3e1751aac8ba641a10

  • \Users\Admin\AppData\Local\Temp\qJgbivN.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/596-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/596-10-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/596-9-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/596-32-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/596-34-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/596-33-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2056-11-0x00000000009C0000-0x00000000009C9000-memory.dmp

    Filesize

    36KB

  • memory/2056-30-0x00000000009C0000-0x00000000009C9000-memory.dmp

    Filesize

    36KB