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Analysis

  • max time kernel
    108s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 23:17

General

  • Target

    251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe

  • Size

    141KB

  • MD5

    7fcd8e159eee00ae5910d2dcf2ae2e10

  • SHA1

    69422baa84641f3d1117f09fb0d461068977c266

  • SHA256

    251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebb

  • SHA512

    722bb0115a98cbe18d0e568f18f953192e4052d8e4d23c4bafa2b99d5ea7af5a05cda7acd07d17dbc4d829120e0c35f571eb671ccd2e2d2eca6898f90475bf63

  • SSDEEP

    1536:BKnrXO3fbLMkihYSVRHSKv2UV9MsPJ+ff0XdBch52KYopz871GCq2iW7z:B3TLsbrR3V9JZtS52KYopz85GCH

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\251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe
    "C:\Users\Admin\AppData\Local\Temp\251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\Hse.exe
      C:\Users\Admin\AppData\Local\Temp\Hse.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:5036
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\65c1267f.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\65c1267f.bat

    Filesize

    181B

    MD5

    5253f4330c142e8daac02b74764e00fa

    SHA1

    3220b5f4fe7d4236633f276f8aea750976da852c

    SHA256

    bc2b85c36664e03ec5c527e8a747d431708eda32202bb1a32b11770a8ba1c1a8

    SHA512

    42658a50768af26baf8bb320471599e0d7682ce9d238757dadd25fb16239fe34c61d2c7bd2a1f3370811f52b29f4e759a7deb2afb36947403b4f3d1c25f754b0

  • C:\Users\Admin\AppData\Local\Temp\78D835E3.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1360-0-0x0000000000240000-0x0000000000269000-memory.dmp

    Filesize

    164KB

  • memory/1360-28-0x0000000000240000-0x0000000000269000-memory.dmp

    Filesize

    164KB

  • memory/5036-4-0x0000000000520000-0x0000000000529000-memory.dmp

    Filesize

    36KB

  • memory/5036-29-0x0000000000520000-0x0000000000529000-memory.dmp

    Filesize

    36KB