Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 05:45

General

  • Target

    f8df7c2a3ad04616fb5bcd97c90c5a1c6077407d78525b4e3150e32f60a740ee.exe

  • Size

    45KB

  • MD5

    a4cfab9e0b4cedd0958db07900b73b82

  • SHA1

    4eaad2dcc0521f2eec4c2c498b0dc12785d8aaee

  • SHA256

    f8df7c2a3ad04616fb5bcd97c90c5a1c6077407d78525b4e3150e32f60a740ee

  • SHA512

    f115d078dbaa57762c6b9a76709e7ef9f2b8ad1818065f07e148ad49611f42fe4c99466ee9fa0dd3efca79a98f2aacf8ec62bbdca0e0a4d7fe91d2f8a5cd80ab

  • SSDEEP

    768:X7Z2VKKlnDRMyL+TDx8VlF67RvsypS6HkPA0d/1oQGPL4vzZq2o9W7GsxBbPrq:V27bMyL6tMlA7R0ypSU0Z1jGCq2iW7zu

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\f8df7c2a3ad04616fb5bcd97c90c5a1c6077407d78525b4e3150e32f60a740ee.exe
    "C:\Users\Admin\AppData\Local\Temp\f8df7c2a3ad04616fb5bcd97c90c5a1c6077407d78525b4e3150e32f60a740ee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\iNbVmR.exe
      C:\Users\Admin\AppData\Local\Temp\iNbVmR.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:4792
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\445a1390.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VC9D6Q93\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\445a1390.bat

    Filesize

    187B

    MD5

    02b65154e18dfc923fa57bccaafd1615

    SHA1

    dd5b876870133d0e472e6064157662d670927a35

    SHA256

    c856b8f83bd165af037551e5935bde4db2dbe44bce66c4d9622dbf2a474ad1e8

    SHA512

    c9b934a44fb9c925baded54ef1e66e9cb09dc3bcb30b58812eb8a9be028f40079b0b9fc4c22e1e70ae2260ec067e0eec7780acdfa650aee0d1c53d20961d3879

  • C:\Users\Admin\AppData\Local\Temp\56D36594.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2440-0-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2440-6-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4792-5-0x0000000000350000-0x0000000000359000-memory.dmp

    Filesize

    36KB

  • memory/4792-47-0x0000000000350000-0x0000000000359000-memory.dmp

    Filesize

    36KB