Analysis

  • max time kernel
    93s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 12:13

General

  • Target

    6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe

  • Size

    564KB

  • MD5

    6ec293421f725398cd83231ee1243300

  • SHA1

    7b04dc62f6a49c95b767d8964681d7b1cf1a2ad8

  • SHA256

    6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105

  • SHA512

    0a91d7874eac156cfe3d3cc7d209b57beb99cb81bc506000321b3c69c0c0152240e7c6bbd4dd5370b1683cf3c72bf4f9797b0e66a484d25d9b1c21c3e95599fe

  • SSDEEP

    6144:TNUWRXniv2DEK+OHuFQVUeso7qWAzYHLnIT:TNXtniv2gK+OHuFQVUesoqzYHLn

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe
    "C:\Users\Admin\AppData\Local\Temp\6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\eVYUGfn.exe
      C:\Users\Admin\AppData\Local\Temp\eVYUGfn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\4b230ed3.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LW44N8OS\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\0DAC445C.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\4b230ed3.bat

    Filesize

    189B

    MD5

    d3fe7dadae5756266b0489d051b1aa8d

    SHA1

    40085ae2ad51fbb162923ff686eac33d23ad57ec

    SHA256

    c31d8ef6bfbff010a9da300924b48013a7a15857a04fb838dfd7c9c3c6e7bdf2

    SHA512

    ecf9e7906426f36caa2c797701a28a1fa52cab5d4405d6cd4498b286f6c42049efb0bbf1b47c660e7a7474cb7355e8a7fc95111d4404f29af5e1fb90eb785a8b

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1232-10-0x0000000001110000-0x0000000006A18000-memory.dmp

    Filesize

    89.0MB

  • memory/1232-53-0x0000000001110000-0x0000000006A18000-memory.dmp

    Filesize

    89.0MB

  • memory/3000-11-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

    Filesize

    36KB

  • memory/3000-51-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

    Filesize

    36KB