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Analysis

  • max time kernel
    115s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    04/01/2025, 07:06

General

  • Target

    6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0aN.exe

  • Size

    452KB

  • MD5

    b5e39fa240670ce47287aea2692b0eb0

  • SHA1

    3460b33a8714cd946a5e7a55d23ca0728541829a

  • SHA256

    6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0a

  • SHA512

    aed6be4508e14f85fd637d5a0c2ad384d93f342a435e8954461f09b294fb20d6f41e30d9986228b73cd4296a3d8584efb3b64b85a75c7b1896291ad94c9404c3

  • SSDEEP

    12288:ma5nmns2C5E9KYS2wiMUIgdNdsfmBvgwjo:QSOMj4NWW4m

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

  • 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\6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0aN.exe
    "C:\Users\Admin\AppData\Local\Temp\6d89a99510a6172e9ed4829f63b95971a3caf09f6df8faa5b1fe6bc79c0abe0aN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Users\Admin\AppData\Local\Temp\qwFlaIq.exe
      C:\Users\Admin\AppData\Local\Temp\qwFlaIq.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\1c1c39d3.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1c1c39d3.bat

    Filesize

    189B

    MD5

    b544f1333974bf8a132ea7c078bffb9d

    SHA1

    4326ea9c9c3d63e8de5c4b5741e6eca0afdedeb6

    SHA256

    2cdca2fe4cced8f1952408904f8cd82540bfb0dac2d682529f211cae130204c4

    SHA512

    c43feddd06bec492b5fd97260b722cde4ba37bdb760f77930b8b968542fb26e3bf88703bebace640852b45ceee4c7f994cfdc9cdbe58cdabc2d731407aeeec6f

  • C:\Users\Admin\AppData\Local\Temp\272F58EE.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2296-1-0x00000000008A0000-0x0000000000917000-memory.dmp

    Filesize

    476KB

  • memory/2296-9-0x00000000000F0000-0x00000000000F9000-memory.dmp

    Filesize

    36KB

  • memory/2296-8-0x00000000000F0000-0x00000000000F9000-memory.dmp

    Filesize

    36KB

  • memory/2296-14-0x0000000000110000-0x0000000000111000-memory.dmp

    Filesize

    4KB

  • memory/2296-59-0x00000000008A0000-0x0000000000917000-memory.dmp

    Filesize

    476KB

  • memory/2296-60-0x00000000008A0000-0x0000000000917000-memory.dmp

    Filesize

    476KB

  • memory/2536-11-0x0000000001130000-0x0000000001139000-memory.dmp

    Filesize

    36KB

  • memory/2536-57-0x0000000001130000-0x0000000001139000-memory.dmp

    Filesize

    36KB