Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 12:35

General

  • Target

    6d1db3cb8cbcc0467f8cc17a5ffb9381c759f3d9564f458a56e4215287b95ca9.exe

  • Size

    273KB

  • MD5

    943dfdf0cb1cd51076480b836bd70601

  • SHA1

    38f473ac03dd3c9c1ff2b2230bc0e191f4d53050

  • SHA256

    6d1db3cb8cbcc0467f8cc17a5ffb9381c759f3d9564f458a56e4215287b95ca9

  • SHA512

    928cafbbd79f4419e5e543c55aa1d3dc4fcb58cb5242f10ada2de1a926ff558719e84e3b1aab0e42ed73bd7bfb587869f33f7f8ba72ec3b3ce572d5f5010e8b1

  • SSDEEP

    6144:at3aCHQiRgkktkhvgyFvatu6REsyzBaM577vWJeN1rj4:+qCwkgkktkhI8yY6Ral7/k

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d1db3cb8cbcc0467f8cc17a5ffb9381c759f3d9564f458a56e4215287b95ca9.exe
    "C:\Users\Admin\AppData\Local\Temp\6d1db3cb8cbcc0467f8cc17a5ffb9381c759f3d9564f458a56e4215287b95ca9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /k ping 127.0.0.1 & start C:\Users\Admin\AppData\Local\Temp\1.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4104
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2432
      • C:\Users\Admin\AppData\Local\Temp\1.exe
        C:\Users\Admin\AppData\Local\Temp\1.exe
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4124
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1.exe" "1.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:4460

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    Filesize

    273KB

    MD5

    943dfdf0cb1cd51076480b836bd70601

    SHA1

    38f473ac03dd3c9c1ff2b2230bc0e191f4d53050

    SHA256

    6d1db3cb8cbcc0467f8cc17a5ffb9381c759f3d9564f458a56e4215287b95ca9

    SHA512

    928cafbbd79f4419e5e543c55aa1d3dc4fcb58cb5242f10ada2de1a926ff558719e84e3b1aab0e42ed73bd7bfb587869f33f7f8ba72ec3b3ce572d5f5010e8b1

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    Filesize

    273KB

    MD5

    943dfdf0cb1cd51076480b836bd70601

    SHA1

    38f473ac03dd3c9c1ff2b2230bc0e191f4d53050

    SHA256

    6d1db3cb8cbcc0467f8cc17a5ffb9381c759f3d9564f458a56e4215287b95ca9

    SHA512

    928cafbbd79f4419e5e543c55aa1d3dc4fcb58cb5242f10ada2de1a926ff558719e84e3b1aab0e42ed73bd7bfb587869f33f7f8ba72ec3b3ce572d5f5010e8b1

  • memory/2432-136-0x0000000000000000-mapping.dmp
  • memory/4104-135-0x0000000000000000-mapping.dmp
  • memory/4124-137-0x0000000000000000-mapping.dmp
  • memory/4124-141-0x0000000005650000-0x00000000056E2000-memory.dmp
    Filesize

    584KB

  • memory/4124-142-0x0000000005560000-0x000000000556A000-memory.dmp
    Filesize

    40KB

  • memory/4460-140-0x0000000000000000-mapping.dmp
  • memory/4812-132-0x00000000008D0000-0x0000000000912000-memory.dmp
    Filesize

    264KB

  • memory/4812-133-0x00000000057F0000-0x0000000005D94000-memory.dmp
    Filesize

    5.6MB

  • memory/4812-134-0x00000000052E0000-0x000000000537C000-memory.dmp
    Filesize

    624KB