Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 08:48

General

  • Target

    Shohei's Adult Streaming Channel/lib/windows-i686/ShoheiAdultStreamingChannel.exe

  • Size

    303KB

  • MD5

    e84970f1a480d90cf3e603ef0299a59a

  • SHA1

    6f97e84d09462f13075124954e2d163463b677c7

  • SHA256

    a1074bd7f05a19c7e35ace72fb7543cdaf32cd85e565703b7d86d61662cfe1db

  • SHA512

    2b5067cb1caf0cf65160a0450a3fcb2d2515e5dba93188d07272520bf439a905701a5410e32d379bb68881b1a2c878483af55a0cf7586bc4775b50a1feb7d7de

  • SSDEEP

    6144:+tNGwuxKL6rqZ8Z6NtctRim5GpmfPqrC:EUqZ8M0i

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\Shohei's Adult Streaming Channel\lib\windows-i686\ShoheiAdultStreamingChannel.exe
    "C:\Users\Admin\AppData\Local\Temp\Shohei's Adult Streaming Channel\lib\windows-i686\ShoheiAdultStreamingChannel.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Users\Admin\AppData\Local\Temp\euHFojf.exe
      C:\Users\Admin\AppData\Local\Temp\euHFojf.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:5068
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\557f24d2.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\2DCA12F1.exe

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\2DCA12F1.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\557f24d2.bat

    Filesize

    189B

    MD5

    737d4616e85dc7adfa3b88bd4e1338bd

    SHA1

    0f133bdb98667491411794b4057228f082402e98

    SHA256

    4583e1056e80b727534fd39ff94d0d77f7ffea1333c5f3d2e84953146f09591b

    SHA512

    8452d45117022e0cbf80f4f458eb41cbc21d5378811a13ba1d3897f9235b0b4d3deb9c7bcc35dddbb6b931896a4529d75f17728c3a2c7962a059ade8911cb5ce

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/4656-0-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/4656-50-0x000000006CEC0000-0x000000006CEDB000-memory.dmp

    Filesize

    108KB

  • memory/4656-51-0x0000000064940000-0x0000000064954000-memory.dmp

    Filesize

    80KB

  • memory/4656-49-0x000000006C740000-0x000000006C81C000-memory.dmp

    Filesize

    880KB

  • memory/4656-48-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/5068-4-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB

  • memory/5068-46-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB