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Analysis

  • max time kernel
    94s
  • max time network
    145s
  • 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, 02:07

General

  • Target

    JaffaCakes118_00918fbd0cee49ad8efb7d3bdd9762a0.exe

  • Size

    108KB

  • MD5

    00918fbd0cee49ad8efb7d3bdd9762a0

  • SHA1

    4dd5b7b044095125093e7659c77b285c1c87fe69

  • SHA256

    a7fc3c0de5ea9a475f7bd52de6d413cac54df48a3e54994c4e34bc44da3c4b3d

  • SHA512

    d9aefd367c56a22d3bd137773ac56d8195db646947ce3b3642ab056b0e7aa1735f1c7e0788d95323ee2c376438f52b99ae2ba88fb42c84eefb01ec557087271c

  • SSDEEP

    1536:4k1JCXf3l9izMfUBRq/YxiLvxnjXIRXMMGBkyJMjZROYJT3bQghxHCZHNGCq2iWv:4Nf3wRqQxKvxnsRcaCDGCH

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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00918fbd0cee49ad8efb7d3bdd9762a0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00918fbd0cee49ad8efb7d3bdd9762a0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Users\Admin\AppData\Local\Temp\aQtu.exe
      C:\Users\Admin\AppData\Local\Temp\aQtu.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:896
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4c951d3f.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2712

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\332F16B7.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\4c951d3f.bat

    Filesize

    183B

    MD5

    6b7c93636eba3112c57c3c862ebf286a

    SHA1

    bbb26f37b7c9f19ce0f52ecd259c1c89fb6bd3be

    SHA256

    f3ca44dd363c2da8070404ed203f0eb2f62edfc743110541f8cfeebaca89781c

    SHA512

    d1a85d9db1f1f70b35649558d7aa6da408e38ff3edecdd53c8becd13368322e005e3241ce50b8b31ca07a3a316816bf262185eb233af1d4925f5c5bb51b76e63

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/896-4-0x0000000000520000-0x0000000000529000-memory.dmp

    Filesize

    36KB

  • memory/896-24-0x0000000000520000-0x0000000000529000-memory.dmp

    Filesize

    36KB

  • memory/4364-0-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4364-23-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB