Analysis

  • max time kernel
    115s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 07:06

General

  • Target

    6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0aN.exe

  • Size

    452KB

  • MD5

    b5e39fa240670ce47287aea2692b0eb0

  • SHA1

    3460b33a8714cd946a5e7a55d23ca0728541829a

  • SHA256

    6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0a

  • SHA512

    aed6be4508e14f85fd637d5a0c2ad384d93f342a435e8954461f09b294fb20d6f41e30d9986228b73cd4296a3d8584efb3b64b85a75c7b1896291ad94c9404c3

  • SSDEEP

    12288:ma5nmns2C5E9KYS2wiMUIgdNdsfmBvgwjo:QSOMj4NWW4m

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\6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0aN.exe
    "C:\Users\Admin\AppData\Local\Temp\6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0aN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\qwFlaIq.exe
      C:\Users\Admin\AppData\Local\Temp\qwFlaIq.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:2796
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\55cd394c.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:428

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\55cd394c.bat

    Filesize

    189B

    MD5

    cee4a3eb257d6fe3505864ad322f0dc9

    SHA1

    aedf6983b68ff123d748394ecf2a76154a23dfb5

    SHA256

    36c2f06b19d271acaf6a1a73453f4ce096bdaea5f49c49752468ec6da7649c5f

    SHA512

    e74645bb3f13f501822dd49517e7c8450fcc970edc6fa0f2167d693d11b81aaee155f88178754cb9c090104cea3fe2499c78330869795885a47e7c346b1110e2

  • C:\Users\Admin\AppData\Local\Temp\6CCA22DE.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2156-0-0x0000000000710000-0x0000000000787000-memory.dmp

    Filesize

    476KB

  • memory/2156-7-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB

  • memory/2156-48-0x0000000000710000-0x0000000000787000-memory.dmp

    Filesize

    476KB

  • memory/2156-49-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB

  • memory/2796-4-0x00000000004D0000-0x00000000004D9000-memory.dmp

    Filesize

    36KB

  • memory/2796-46-0x00000000004D0000-0x00000000004D9000-memory.dmp

    Filesize

    36KB