Analysis

  • max time kernel
    150s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 01:09

General

  • Target

    f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7.exe

  • Size

    502KB

  • MD5

    53b2152d90d00bf07558939da85fff18

  • SHA1

    60d4bb6e3e30d2cd180099839ce942e152c67b71

  • SHA256

    f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7

  • SHA512

    0f7bfa8064fc09b3bf6c98b78164dd5a65c2edad3067163346f02cde1b84eab39ab6ca4b400ce611990c07598ffc4009a8294bc31c4480e005da094b1af90525

  • SSDEEP

    12288:gIy9vIieKNH6zQ+fXFv8oP9i5mEmogAFWIHaXr3HTKz+AHbf:gv9Ailsz/h9ZElVH6r05T

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
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7.exe
    "C:\Users\Admin\AppData\Local\Temp\f8768eebcd4faddc0e3b55526eef990357a10510c37db29d6ba4a90a08360df7.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\UCZNeR.exe
      C:\Users\Admin\AppData\Local\Temp\UCZNeR.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\306676ec.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\306676ec.bat

    Filesize

    187B

    MD5

    97d0258353baa131fe306be4b3737d4a

    SHA1

    f3dac2672ce0d4150059a8c1be7a15d24b0859b4

    SHA256

    a233481ffd951b58d12cddb6fbdd1a1da29bcf851afd953fa73687a38eb1d7e0

    SHA512

    9d17ebe0066d1036828338d86ecad31eb34181d8cd79ee56b30d8f24819baa09e479d3664605596b5d1eadf4b8e478366c06e07f71e7e6381f75e252082b8572

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2400-22-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-47-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-7-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/2400-20-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-50-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-18-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-59-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-58-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-48-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-44-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-40-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-38-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-34-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-32-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-30-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-28-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-81-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2400-8-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2400-60-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-16-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-15-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-14-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-57-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-54-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-42-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-36-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-26-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-24-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-82-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2400-9-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2400-72-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/2400-73-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2400-78-0x0000000000400000-0x000000000056C000-memory.dmp

    Filesize

    1.4MB

  • memory/2644-70-0x0000000000CD0000-0x0000000000CD9000-memory.dmp

    Filesize

    36KB

  • memory/2644-11-0x0000000000CD0000-0x0000000000CD9000-memory.dmp

    Filesize

    36KB