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Analysis

  • max time kernel
    95s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 10:04

General

  • Target

    9b7c367f914437875c585a0228033e6fbaf7c69f747751a726698a6a4271863bN.exe

  • Size

    62KB

  • MD5

    be38160d3742c8b77c46e2ad34c59b40

  • SHA1

    6b4c741d60bb8d10b6fb4d3470e360c77b2e4228

  • SHA256

    9b7c367f914437875c585a0228033e6fbaf7c69f747751a726698a6a4271863b

  • SHA512

    e07d1be0b9cc348dca1d37d9cf0fe08d501a51abba43754f66e3dab602a5994dbb77092da65a4702070e60430068bdf205b5377c67f97e884ec63151292a870e

  • SSDEEP

    768:MEcy9908dqax/5FdC72/WkFkwUEihlLBHCnp+KCIvLQGPL4vzZq2o9W7GsxBbPr:Vcy9Pn/LdnFFlUEulElvsGCq2iW7z

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\9b7c367f914437875c585a0228033e6fbaf7c69f747751a726698a6a4271863bN.exe
    "C:\Users\Admin\AppData\Local\Temp\9b7c367f914437875c585a0228033e6fbaf7c69f747751a726698a6a4271863bN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Users\Admin\AppData\Local\Temp\IGUJTV.exe
      C:\Users\Admin\AppData\Local\Temp\IGUJTV.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:2816
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4aa611b1.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\4aa611b1.bat

    Filesize

    187B

    MD5

    1d89011793069c486a14129447f2ba03

    SHA1

    caa82ab58a6dbfeddba7b89bdc385849a91a30bf

    SHA256

    b13f7bdd1f52d6d90ed281a70d88ff7601874d194a768d487af62e0f7651bc6d

    SHA512

    6fbb8e4e23d0126b31e4b3bf3bf63d208ce13e71a93c61e402a51c9c955a8a326d28e8c1940766ef6a398f5fb5f9cb9bde69132b53177a2a8963e59d6f13c72c

  • C:\Users\Admin\AppData\Local\Temp\5F170B97.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2816-5-0x00000000009B0000-0x00000000009B9000-memory.dmp

    Filesize

    36KB

  • memory/2816-25-0x00000000009B0000-0x00000000009B9000-memory.dmp

    Filesize

    36KB

  • memory/4784-0-0x00000000004D0000-0x00000000004E3000-memory.dmp

    Filesize

    76KB

  • memory/4784-7-0x00000000004D0000-0x00000000004E3000-memory.dmp

    Filesize

    76KB