Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 21:52

General

  • Target

    ba53de7a4ec4c56f99822cbfae39c68852d725956d1851ff5a05d160b04d0e46.exe

  • Size

    387KB

  • MD5

    3329064dd8ebf660e97949f1b02f00a5

  • SHA1

    1a4903a79ad4ec416b28f700b67475044c5cc332

  • SHA256

    ba53de7a4ec4c56f99822cbfae39c68852d725956d1851ff5a05d160b04d0e46

  • SHA512

    80565ae8e6622d8f4fe6581f0c82e3632490e3a9e1a446409cbaaceec72730177aa2939f06772aa0fccd9dd7d221844e57fdf24fbfbe9aa928529d2554b2e163

  • SSDEEP

    6144:Ku4/N3Ey3OnuxqL7Hv0f5JISfqLJAazynL3c+fR6TH:Ku4/NNWv0f5JISfqLhzynL37O

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

  • 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\ba53de7a4ec4c56f99822cbfae39c68852d725956d1851ff5a05d160b04d0e46.exe
    "C:\Users\Admin\AppData\Local\Temp\ba53de7a4ec4c56f99822cbfae39c68852d725956d1851ff5a05d160b04d0e46.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Users\Admin\AppData\Local\Temp\pDVdne.exe
      C:\Users\Admin\AppData\Local\Temp\pDVdne.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:4612
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5ba942f2.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\258D2CD7.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\5ba942f2.bat

    Filesize

    187B

    MD5

    c358e5def26d00c49457f4700988725a

    SHA1

    53ded7667a1c9ab245f6f42bef0c888b2fc0a696

    SHA256

    be6c69bafaa4e91eabea147ce7350bd4a189e79e68a5769af166661e7005838d

    SHA512

    c81097beb017e1e275d8856b6abc415a3e3b64074d342fc80b348799db03aa5940c02cf809c23cf98ffb88067941b9b25e697c536076a5ef527df14bf01d9c94

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/316-5-0x0000000000E60000-0x00000000066C8000-memory.dmp

    Filesize

    88.4MB

  • memory/316-49-0x0000000000E60000-0x00000000066C8000-memory.dmp

    Filesize

    88.4MB

  • memory/4612-6-0x00000000008C0000-0x00000000008C9000-memory.dmp

    Filesize

    36KB

  • memory/4612-47-0x00000000008C0000-0x00000000008C9000-memory.dmp

    Filesize

    36KB