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Analysis

  • max time kernel
    111s
  • max time network
    81s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2025, 18:06

General

  • Target

    efa3e3cfe1623250e377c8b1fd0b97629aa5891650e0a599511e7072736003dbN.exe

  • Size

    650KB

  • MD5

    e8e50f4980c6fdbcea86c758e1de2890

  • SHA1

    fadc4953d55db131fa826a9713ddbcda81a19905

  • SHA256

    efa3e3cfe1623250e377c8b1fd0b97629aa5891650e0a599511e7072736003db

  • SHA512

    5c8447ce555a9393fbe799a9f9e988c69f3b4a1a836eebfd7e2f561da959214d3cdb2eff8753cf3c3677c8e740b652d50866390e2e505a9c51646cbd8f712121

  • SSDEEP

    12288:RhMrzivePPYQmwPJKoXc8SM64DNRoXPirgSKzuq:jMHivMPUgSp4DNv0x

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 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efa3e3cfe1623250e377c8b1fd0b97629aa5891650e0a599511e7072736003dbN.exe
    "C:\Users\Admin\AppData\Local\Temp\efa3e3cfe1623250e377c8b1fd0b97629aa5891650e0a599511e7072736003dbN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Users\Admin\AppData\Local\Temp\DhGOmd.exe
      C:\Users\Admin\AppData\Local\Temp\DhGOmd.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NT668XG4\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\6DCE02DA.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • \Users\Admin\AppData\Local\Temp\DhGOmd.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2296-0-0x0000000001380000-0x0000000001429000-memory.dmp

    Filesize

    676KB

  • memory/2296-2-0x0000000000250000-0x00000000002F9000-memory.dmp

    Filesize

    676KB

  • memory/2296-4-0x00000000000A0000-0x00000000000A9000-memory.dmp

    Filesize

    36KB

  • memory/2296-10-0x00000000000A0000-0x00000000000A9000-memory.dmp

    Filesize

    36KB

  • memory/2296-21-0x0000000001380000-0x0000000001429000-memory.dmp

    Filesize

    676KB

  • memory/2864-19-0x00000000008A6000-0x00000000008A7000-memory.dmp

    Filesize

    4KB

  • memory/2864-17-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2864-18-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2864-12-0x00000000008A0000-0x00000000008A9000-memory.dmp

    Filesize

    36KB

  • memory/2864-47-0x00000000008A0000-0x00000000008A9000-memory.dmp

    Filesize

    36KB

  • memory/2864-48-0x00000000008A6000-0x00000000008A7000-memory.dmp

    Filesize

    4KB

  • memory/2864-55-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2864-57-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB