Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 12:09

General

  • Target

    cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe

  • Size

    1.8MB

  • MD5

    71a569b204a670aae81a0ca014f8afa0

  • SHA1

    04aa15581585a57fba85ba2c7c80b720f29a1474

  • SHA256

    cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26

  • SHA512

    c1df09c80257c664b48853ee0ec9ab0bb983dce51f1e453c5f361eb8f88068fbca6d8929fc9b72b60860a4c9bd9f0ffaf424d739e293842e0b78b7764c1bb307

  • SSDEEP

    49152:hPt8WJ3SeUjEqED4wAmE5G9ZC3tr4aS6BMWdE95AhcL6:DVCpED4wALU983tfS6pkh

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe
    "C:\Users\Admin\AppData\Local\Temp\cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\GbCQqh.exe
      C:\Users\Admin\AppData\Local\Temp\GbCQqh.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:956
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4eac7934.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\0808003A.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\4eac7934.bat

    Filesize

    187B

    MD5

    cfca0b976b1c986ed9bb198168b85c7c

    SHA1

    94e8cc794d44a2820a129b3a4b6ec8cd79cf6d16

    SHA256

    ef7f4f7cc6be72324f37bb36ca1aecf06d7ceff3068092cc9946e5b45a81a9cf

    SHA512

    f5c3b3fed4c52d21d1145dda8269309d42b49d1d486d51a9f5dc4dc7b67a69ca438b50637d25616b71c003602f10ca83a508b29d0795a13f005ee50abd00abe6

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/956-4-0x0000000000720000-0x0000000000729000-memory.dmp

    Filesize

    36KB

  • memory/956-39-0x0000000000720000-0x0000000000729000-memory.dmp

    Filesize

    36KB

  • memory/1712-0-0x00000000009A0000-0x0000000000B7B000-memory.dmp

    Filesize

    1.9MB

  • memory/1712-35-0x00000000009A0000-0x0000000000B7B000-memory.dmp

    Filesize

    1.9MB