Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 17:42

General

  • Target

    63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe

  • Size

    65KB

  • MD5

    4784c1b0e40e1d8ca017fb922d16bbc9

  • SHA1

    e8b555c710039936dd79c6c7afd367dc611167be

  • SHA256

    63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350

  • SHA512

    4b3154dadd317ed1d8f600f100de867386e32ae4a66d1dfb2f79ce9f7a9698e29902163a32c73be40973ef6c19a968468f73b95f3cc1465f3e7f5e5ab66e1e72

  • SSDEEP

    768:S5qn4NX7+MbT1y9EG+HOkHmopjtWO3ZCdZP1f8SvnHH5GCQGPL4vzZq2o9W7GsxI:8qn40x9kOkNpjWZP1Vn5GxGCq2iW7z6

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\63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe
    "C:\Users\Admin\AppData\Local\Temp\63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\atkr.exe
      C:\Users\Admin\AppData\Local\Temp\atkr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\0ae02f73.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\S8GI6B9B\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\0ae02f73.bat

    Filesize

    183B

    MD5

    b39af958347f17eabcc53de7238179a1

    SHA1

    7e9f2872dbed7d9f325d6f7413789c9b0c71ce5e

    SHA256

    fe75bf5877c562a61ff7ef77f5f62f287582c54e9814407f4aba91f6197a8d1a

    SHA512

    1e7e4b8a8fb3c89736d8028bf3c06b3b4895a3cd95c96700e7c4bad7c922c616458905e2e98fca13b8e7dc936dd77e2f547a8d9d0e087b9fe833b6d097174f10

  • C:\Users\Admin\AppData\Local\Temp\7B8A2959.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2644-0-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2644-11-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2644-10-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2644-56-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2792-12-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB

  • memory/2792-54-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB