Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    106s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 21:19

General

  • Target

    f74c46647d8e598ac9fa398f50e31d63383fa4c60e3aed1576a23eac687b9b00N.exe

  • Size

    104KB

  • MD5

    d02330867f2adf19ffdc2942c4e1f570

  • SHA1

    e897b4879c88794dd0a4b7f0648b7c901014ff79

  • SHA256

    f74c46647d8e598ac9fa398f50e31d63383fa4c60e3aed1576a23eac687b9b00

  • SHA512

    c02c60ccac38abfce6782deb190d831f446112ea730de31cfbc046c3962c14ec5308c5bf5cf8c2b51b9e6ae33ff24a01c3080644ac3f35953a6a0c21b48c3f9c

  • SSDEEP

    1536:DFEL0c3++wG5NlKOln9N7oKsMmuB2IMokC+0FfHYToSMygGCq2iW7z:DFUxlnjmDXokC+GfHYToSMTGCH

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f74c46647d8e598ac9fa398f50e31d63383fa4c60e3aed1576a23eac687b9b00N.exe
    "C:\Users\Admin\AppData\Local\Temp\f74c46647d8e598ac9fa398f50e31d63383fa4c60e3aed1576a23eac687b9b00N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Local\Temp\MfmirF.exe
      C:\Users\Admin\AppData\Local\Temp\MfmirF.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4236
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\56f50825.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\56f50825.bat

    Filesize

    187B

    MD5

    50374d8bbdde609e4b3a741a09302ee9

    SHA1

    a6abca21edbc715f5da971dcd6e9fce714e9c9b4

    SHA256

    48fdd04f40dd6c07ce281b4c70ee5ef811bf7fb482275aabef6ae28ad5294ec5

    SHA512

    c7c3cc37813efef38b6ff9dfc31645a3afa10782356fa7f392195dec1d90eecac5645e80a79776f94e70b0aa2be2df0279015304da5ce1f86bd62c4f83ce973f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2340-0-0x00000000005B0000-0x00000000005D0000-memory.dmp

    Filesize

    128KB

  • memory/2340-7-0x00000000005B0000-0x00000000005D0000-memory.dmp

    Filesize

    128KB

  • memory/4236-5-0x00000000000A0000-0x00000000000A9000-memory.dmp

    Filesize

    36KB

  • memory/4236-8-0x00000000000A0000-0x00000000000A9000-memory.dmp

    Filesize

    36KB