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
    28-12-2024 17:44

General

  • Target

    5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe

  • Size

    12.0MB

  • MD5

    94c3fbd89d3a3f6958bdcceb7e5f4a90

  • SHA1

    8759405cdb47491f8bb049f90dea7bd4bd473d49

  • SHA256

    5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34

  • SHA512

    6fec5d0192abe09422b0c4376d5ee9493a484fa03f1d6d5b6582cae2bb7caa4f21c73a12aae0ac32601e11e38d3a8df98b7f8f6ab20fa5bac7231887e544e8b5

  • SSDEEP

    49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zlFTCTMqQ:s/KU9/pyJx9Y5el50T

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 2 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe
    "C:\Users\Admin\AppData\Local\Temp\5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\PUTYqA.exe
      C:\Users\Admin\AppData\Local\Temp\PUTYqA.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\04e63ed0.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\04e63ed0.bat

    Filesize

    187B

    MD5

    56ec274247c5a201d18989a8c13bb21f

    SHA1

    204c303c485cf7dc89233da22c6463734232b7a6

    SHA256

    76c2b1cd941d145a27e5b6f4477ac833270c4d58aff19e0f1186a8c24867fc84

    SHA512

    e4ed04440ee09130776bc43851f2ec22faad45e1f2d788f8b8116e83a6c5fedf97f26c3a72beb070831b7a87ca61e2441dee2bfb474fe6e4a5f35579dfb07292

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2184-11-0x0000000000910000-0x0000000000919000-memory.dmp

    Filesize

    36KB

  • memory/2184-18-0x0000000000910000-0x0000000000919000-memory.dmp

    Filesize

    36KB

  • memory/2224-12-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2224-10-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2224-9-0x0000000000D90000-0x00000000019F1000-memory.dmp

    Filesize

    12.4MB

  • memory/2224-15-0x0000000000D90000-0x00000000019F1000-memory.dmp

    Filesize

    12.4MB

  • memory/2224-17-0x0000000000D90000-0x00000000019F1000-memory.dmp

    Filesize

    12.4MB

  • memory/2224-25-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2224-27-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB