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Analysis

  • max time kernel
    80s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/01/2025, 14:41

General

  • Target

    6f764cdd074a37f44a69b31c03ca42ec5d05cb2f6703e6645210ebef3eef4b53.exe

  • Size

    432KB

  • MD5

    68f96709c0109db0028a7d67c680a461

  • SHA1

    b48a11a8e76918b83a4774b41c86bbb51a83269c

  • SHA256

    6f764cdd074a37f44a69b31c03ca42ec5d05cb2f6703e6645210ebef3eef4b53

  • SHA512

    a222e825ca0d78ee3a7354f77b39b593aae39864921061220ed880b2ad58b426a99a5a929df8ba3d38f3be5bb8568e9f273806b4e3dd7dfb3fe9d86bfe0b8f60

  • SSDEEP

    6144:vvYjUy/29kMLQHxI5STKSiJvzAdBfpjG+CePQNPVvsHN8XS6U9JqKn:vvYjK9OTKsBfpjGpPNPMisGi

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
  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f764cdd074a37f44a69b31c03ca42ec5d05cb2f6703e6645210ebef3eef4b53.exe
    "C:\Users\Admin\AppData\Local\Temp\6f764cdd074a37f44a69b31c03ca42ec5d05cb2f6703e6645210ebef3eef4b53.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\GxodRA.exe
      C:\Users\Admin\AppData\Local\Temp\GxodRA.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\484f18d0.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1LNUKNV0\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\484f18d0.bat

    Filesize

    187B

    MD5

    a36db847a717c459c181bc97948201f4

    SHA1

    e33b433929578e6c3c83fc6b9b12b5ddae4f7531

    SHA256

    8795e2c6ea77f9ee8c0f979027556df4080550e5a6d3b5564cd47a76288ea2ce

    SHA512

    3d4378db132e4b7e4d21cf229c0d2fa8cd21d4ba458d2051707a483f3e2b7e5d23bcaab33976412af3e86f53f86cbcfbcef277b8a0d03d8105912a97c8ce7119

  • C:\Users\Admin\AppData\Local\Temp\66941990.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2696-11-0x0000000000BB0000-0x0000000000BB9000-memory.dmp

    Filesize

    36KB

  • memory/2696-42-0x0000000000BB0000-0x0000000000BB9000-memory.dmp

    Filesize

    36KB

  • memory/3040-0-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/3040-10-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/3040-9-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/3040-44-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/3040-46-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/3040-45-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB