Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 04:35

General

  • Target

    d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe

  • Size

    124KB

  • MD5

    63a7073302793e62fc5549dd6b4c01cb

  • SHA1

    4669bbabb0a1c88ab43562a320ca7359ed823a30

  • SHA256

    d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be

  • SHA512

    df398dfd3a9b4819aa2df21c4deb54752abed8e47e0921cf94c477f8277045b5322ca6cfee569a1767e341c041affd40f4300911f3b57a199bec9dda0b12649a

  • SSDEEP

    1536:qSZ2lI7gFvjvQCfWjO/3SjeEbZgkBNFj/AOwZgkBNFj/AOnjfGCq2iW7z:zZ2a7mknO/36vmkXFymkXFdjGCH

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe
    "C:\Users\Admin\AppData\Local\Temp\d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Users\Admin\AppData\Local\Temp\OhzcYg.exe
      C:\Users\Admin\AppData\Local\Temp\OhzcYg.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:5024
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0eb616c8.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\0eb616c8.bat

    Filesize

    187B

    MD5

    99c18df6f40891f537ce47e5538bfbcc

    SHA1

    d0a0253e2e4347414542d765ea7a6523b9845f8a

    SHA256

    60cb34661acb53b72ec99d9558b53978f28626dd511d9d03addd5aa93105d54f

    SHA512

    becd655d3e5464ce4116790d6342acebbaacd86ff545bdb3b343eee56d30c44a5a11a8993976dbbd842aad689830f44dfce23a445f8d148f017352f522ce386c

  • C:\Users\Admin\AppData\Local\Temp\65B060D2.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/3220-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3220-48-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3220-49-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/5024-4-0x0000000000D70000-0x0000000000D79000-memory.dmp

    Filesize

    36KB

  • memory/5024-46-0x0000000000D70000-0x0000000000D79000-memory.dmp

    Filesize

    36KB