Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 21:05

General

  • Target

    63288211c225286ba675d3ce5e171f46863b9c890c4d585bd46bd35986642cf6N.exe

  • Size

    235KB

  • MD5

    43ab66104aabb64d800c8bd3a69e7200

  • SHA1

    3b2d8713e4fe0d2d49d35d5b218233ecce5da0a7

  • SHA256

    63288211c225286ba675d3ce5e171f46863b9c890c4d585bd46bd35986642cf6

  • SHA512

    b1615962c1e8f1859b01240f33e24c229b82a8a65a0b7c0aedc89820ad512e447fde8fa47e6d5b4c0058905088114dd6da593ec3c1fa4502afab4543631c640d

  • SSDEEP

    3072:1BZCTeuPMa1+Hq8uAzb/O+pKtlyx4FrUTtnRLizIONVPE+CoFm1Y9urdWjwY5sH5:4HvwUtl+UUTFZOLEEsWjbUq5B5

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

  • 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 use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63288211c225286ba675d3ce5e171f46863b9c890c4d585bd46bd35986642cf6N.exe
    "C:\Users\Admin\AppData\Local\Temp\63288211c225286ba675d3ce5e171f46863b9c890c4d585bd46bd35986642cf6N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\XWNIDr.exe
      C:\Users\Admin\AppData\Local\Temp\XWNIDr.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:2960
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5df85c61.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\397D266B.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\5df85c61.bat

    Filesize

    187B

    MD5

    aba9a2cb398a4517269558e608fed154

    SHA1

    6fad69e8c60cc8db895d2ce849ce0c15348957ac

    SHA256

    54117ad2b7599b8be71af3d24558e1a4c114b036f4c4625e3b125364bb840ef3

    SHA512

    ebc1e3c7c238fb9670ac0d41c2abbee2f8dfa30ae82f872465668a039514f43f53e65eec99efc22a00328d339e669815ce67f61b38bb66244e9f1e08e2a526a1

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2960-5-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

    Filesize

    36KB

  • memory/2960-47-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

    Filesize

    36KB

  • memory/4048-0-0x0000000000420000-0x000000000046D000-memory.dmp

    Filesize

    308KB

  • memory/4048-7-0x0000000000420000-0x000000000046D000-memory.dmp

    Filesize

    308KB