Analysis

  • max time kernel
    146s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2024 16:19

General

  • Target

    cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe

  • Size

    916KB

  • MD5

    e9f71a38916908624af06f3fdf245cb9

  • SHA1

    d31c2e2311fdbf45860a30b68d0666fabbb8121f

  • SHA256

    cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf

  • SHA512

    ee10e9753eecf96f5b8ff990b3eaf43c003bacb2f40069c582e593054e2670cc5d7c1eb9aa7c0ed8069700ad08b35990a076f6091d896dfe5c89eca66e87f81c

  • SSDEEP

    12288:RW+6nspvQfwZzvuk/xvLbRNLizhh+WryKmczxWZvJ6xt1/St:RW+6Bfw9vu8xvnRNizW7Zh6f8t

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe
    "C:\Users\Admin\AppData\Local\Temp\cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Users\Admin\AppData\Local\Temp\uQyprY.exe
      C:\Users\Admin\AppData\Local\Temp\uQyprY.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:4500
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\21304d82.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\0E911225.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\21304d82.bat

    Filesize

    187B

    MD5

    442857a01b854ec354917bc5dc740008

    SHA1

    b589f9c722a1848030c07d50ecb151edb911a31a

    SHA256

    d388bddd607c50865b0736a7177cf17592df66b8014ee2a2f6e54fbd38ca70ac

    SHA512

    435179d7a2a647e2602dc6b78db844102df0c83386bad2595620f0b3e2c928130aa0cd46b3230d418971d0077dd6214999e866016f0374f3f609c2431bab0277

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1556-0-0x0000000000400000-0x0000000000518000-memory.dmp

    Filesize

    1.1MB

  • memory/1556-56-0x0000000000400000-0x0000000000518000-memory.dmp

    Filesize

    1.1MB

  • memory/4500-4-0x0000000000B40000-0x0000000000B49000-memory.dmp

    Filesize

    36KB

  • memory/4500-54-0x0000000000B40000-0x0000000000B49000-memory.dmp

    Filesize

    36KB