Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2024 22:07

General

  • Target

    DutchbotInject.exe

  • Size

    161KB

  • MD5

    6cb99c55f0d629d987a3e1cd838c251f

  • SHA1

    fc4fb10db33c0072ef2fda75f03ca24133b2ab86

  • SHA256

    bbddd9c524af0099a14653dc9fc4cbb1621f6eebe4fae7385e034884e45089a7

  • SHA512

    ae721c475450ff1d0a13d637e932bfdf5d05916527caa437897bc6897ee1523e21ce3ad87ab632d93e5c191afe26421fac364e5d918c368efcbf074d7e975ea6

  • SSDEEP

    1536:fRGCzQjSVxm+GCq2iW7zLNX5MdzNoBl4Lq:fRGWjPZGCHlX5kel4Lq

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++.

  • Stops running service(s) 4 TTPs
  • 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
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DutchbotInject.exe
    "C:\Users\Admin\AppData\Local\Temp\DutchbotInject.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Users\Admin\AppData\Local\Temp\Ghxb.exe
      C:\Users\Admin\AppData\Local\Temp\Ghxb.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:3352
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1fc87aea.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:404
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop FairplayKD >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Windows\SysWOW64\sc.exe
        sc stop FairplayKD
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1464
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc delete FairplayKD >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\sc.exe
        sc delete FairplayKD
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2556
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop FairplayKD1 >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3788
      • C:\Windows\SysWOW64\sc.exe
        sc stop FairplayKD1
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:992
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc delete FairplayKD1 >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SysWOW64\sc.exe
        sc delete FairplayKD1
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\1fc87aea.bat

    Filesize

    183B

    MD5

    e2ecdf64aa96a8b6b160504b7d9c9184

    SHA1

    c0c567a0367b06d6a4e321fb018e4a66bf1cfb69

    SHA256

    f749b8f6e667e0f8b1d7b14047221e6807bde5f638b0f29a75f2d99172162cf2

    SHA512

    a800fc6df398236783cf87e9ff7aab874ec130c37fe130ecbe89272037250a7283befcb4e48aa251a50121dcca18f85fe5f570a1b895661b966df5c85ce1a934

  • C:\Users\Admin\AppData\Local\Temp\3E135975.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/216-0-0x0000000000440000-0x00000000004A2000-memory.dmp

    Filesize

    392KB

  • memory/216-48-0x0000000000440000-0x00000000004A2000-memory.dmp

    Filesize

    392KB

  • memory/3352-4-0x0000000000510000-0x0000000000519000-memory.dmp

    Filesize

    36KB

  • memory/3352-46-0x0000000000510000-0x0000000000519000-memory.dmp

    Filesize

    36KB