Analysis

  • max time kernel
    110s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 00:54

General

  • Target

    7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe

  • Size

    930KB

  • MD5

    7b69bda4c2571cfacbf5a04837647f7e

  • SHA1

    e15c3f93555ff159d209cb13f05db66e4307b250

  • SHA256

    7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888

  • SHA512

    04037e60b3ecb9d6b596c06866aa611242c7a14323d9384b24c269a9beceae58e8325fcea2b9879893836eccf6ca388a237000f2077230765e5829731c977c65

  • SSDEEP

    12288:hr+/U0UAQ0QkiWNlyxRCugvijhCWTJUuD6q9RIHwjMj+F8ii6JqgkYUV+I7cKRgF:hqBUAPiWNA0vijQWquD2wjqIO6lnicKY

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 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
    "C:\Users\Admin\AppData\Local\Temp\7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\byvEek.exe
      C:\Users\Admin\AppData\Local\Temp\byvEek.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\230d0208.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\230d0208.bat

    Filesize

    187B

    MD5

    2ca0a504306d50a3bceceead1c2bd4b2

    SHA1

    c43e18aebc3ae77c9f3d06722af25b8cb26bceba

    SHA256

    6e96531048ad5b7df5aaf911415ddef81c61776d24d42a38f597137ac3907665

    SHA512

    88ef864cb3d6cef8336d2d1de2b785a7e496c02af2a2c836aab31e3a00f0476f6ce297452af44bacdf6bf93e3c590836aaaf413094735032e3d87b8a5ce3dbd2

  • C:\Users\Admin\AppData\Local\Temp\2D9A63A0.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1780-38-0x0000000000E20000-0x0000000000E29000-memory.dmp

    Filesize

    36KB

  • memory/1780-12-0x0000000000E20000-0x0000000000E29000-memory.dmp

    Filesize

    36KB

  • memory/2092-7-0x0000000000F10000-0x00000000011F4000-memory.dmp

    Filesize

    2.9MB

  • memory/2092-16-0x0000000000F10000-0x00000000011F4000-memory.dmp

    Filesize

    2.9MB

  • memory/2092-15-0x0000000000F10000-0x00000000011F4000-memory.dmp

    Filesize

    2.9MB

  • memory/2092-14-0x0000000000F10000-0x00000000011F4000-memory.dmp

    Filesize

    2.9MB

  • memory/2092-8-0x0000000000E20000-0x0000000000E29000-memory.dmp

    Filesize

    36KB

  • memory/2092-9-0x0000000000E20000-0x0000000000E29000-memory.dmp

    Filesize

    36KB

  • memory/2092-40-0x0000000000F10000-0x00000000011F4000-memory.dmp

    Filesize

    2.9MB

  • memory/2092-47-0x0000000000E20000-0x0000000000E29000-memory.dmp

    Filesize

    36KB