Analysis

  • max time kernel
    110s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 21:12

General

  • Target

    9e9fb8411605487deb0f11cb2a0510c2082a7df746c022d7ef4e9df9a234dfcc.exe

  • Size

    125KB

  • MD5

    7d0cc109de379907c2de7a54d919732c

  • SHA1

    e78c6455a59f6d946f3e0aa5b3ac9ab70557c91e

  • SHA256

    9e9fb8411605487deb0f11cb2a0510c2082a7df746c022d7ef4e9df9a234dfcc

  • SHA512

    bbf5ac701ea0baeaa53a665c04488db3593ca846ad1f6edef6f6f82e0cdf2e82b356144fb4d091f96780174d6476bb47bf69041bee582413363ed4d06eaf77e0

  • SSDEEP

    3072:IH451OJpM1uOcIbqaORUF0/+8v51AwGoG94dF/GCHy:x4pM1uLIbCKFq++RGT4dFuf

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
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e9fb8411605487deb0f11cb2a0510c2082a7df746c022d7ef4e9df9a234dfcc.exe
    "C:\Users\Admin\AppData\Local\Temp\9e9fb8411605487deb0f11cb2a0510c2082a7df746c022d7ef4e9df9a234dfcc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3168
    • C:\Users\Admin\AppData\Local\Temp\htYhNb.exe
      C:\Users\Admin\AppData\Local\Temp\htYhNb.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:3036
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\515172bf.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2640
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x150 0x328
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\515172bf.bat

    Filesize

    187B

    MD5

    53ac7a6f2af6a14dac8c28e4a488a75b

    SHA1

    1e0aaa8e6189bded0a5d0875df9c7756b873c36c

    SHA256

    5dc8588ef63f8aa11d39ace3ba907efbac205b0a4960a11f5e84797d25c09af7

    SHA512

    0cb34df186ca8b3de7a0a5f6d278f02cda0edbfe0667476f747c3fc28875addb9e1781efa700a4b1e59deed9271b605a71f9aea57f110c8f94217b4ef0cc2cd3

  • C:\Users\Admin\AppData\Local\Temp\65C378CC.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/3036-4-0x0000000000A60000-0x0000000000A69000-memory.dmp

    Filesize

    36KB

  • memory/3036-45-0x0000000000A60000-0x0000000000A69000-memory.dmp

    Filesize

    36KB

  • memory/3168-48-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-47-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-0-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-49-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-50-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-51-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-52-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-53-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-54-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-55-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-56-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-57-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3168-58-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB