Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    30-09-2021 07:39

General

  • Target

    6d2f1a98b77181cb675c0f3cd3ae6824fdd90e150c46d6fcee0ed16f7cd855df.exe

  • Size

    2.3MB

  • MD5

    751be7e898d61998e52402b813e391bf

  • SHA1

    6b8572889dbac9938e8552f05bf57496b6ab0367

  • SHA256

    6d2f1a98b77181cb675c0f3cd3ae6824fdd90e150c46d6fcee0ed16f7cd855df

  • SHA512

    baa23385c716c6fc682fad2ba963b55c957101d7545143c804b5a846b4bba1fa64761e26e77f225f56961fc63cc956023173ea9cd558c08f31b31541a88ab84e

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

  • Executes dropped EXE 4 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • autoit_exe 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d2f1a98b77181cb675c0f3cd3ae6824fdd90e150c46d6fcee0ed16f7cd855df.exe
    "C:\Users\Admin\AppData\Local\Temp\6d2f1a98b77181cb675c0f3cd3ae6824fdd90e150c46d6fcee0ed16f7cd855df.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
      "C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2472
      • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
        "C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe"
        3⤵
        • Executes dropped EXE
        PID:3176
      • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
        "C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe"
        3⤵
        • Executes dropped EXE
        PID:3488
      • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
        "C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3124
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3696

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
    MD5

    0a236522a4053835ac2093099e535fcb

    SHA1

    3f039b58ff3db3f597cff65e9dcaa80b15fee28c

    SHA256

    1ea5ebe3eac08648aa427c9a864e9c98407366981c6547281e134573c86074d7

    SHA512

    2972be7422a82030e9dde987233cd1d1db8516c28c410c8c03d38acb68d9783a5bd6aa93f182129b0830223523b95633c1f3eee9869bd779bbd7b8de2ff9472f

  • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
    MD5

    0a236522a4053835ac2093099e535fcb

    SHA1

    3f039b58ff3db3f597cff65e9dcaa80b15fee28c

    SHA256

    1ea5ebe3eac08648aa427c9a864e9c98407366981c6547281e134573c86074d7

    SHA512

    2972be7422a82030e9dde987233cd1d1db8516c28c410c8c03d38acb68d9783a5bd6aa93f182129b0830223523b95633c1f3eee9869bd779bbd7b8de2ff9472f

  • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
    MD5

    0a236522a4053835ac2093099e535fcb

    SHA1

    3f039b58ff3db3f597cff65e9dcaa80b15fee28c

    SHA256

    1ea5ebe3eac08648aa427c9a864e9c98407366981c6547281e134573c86074d7

    SHA512

    2972be7422a82030e9dde987233cd1d1db8516c28c410c8c03d38acb68d9783a5bd6aa93f182129b0830223523b95633c1f3eee9869bd779bbd7b8de2ff9472f

  • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
    MD5

    0a236522a4053835ac2093099e535fcb

    SHA1

    3f039b58ff3db3f597cff65e9dcaa80b15fee28c

    SHA256

    1ea5ebe3eac08648aa427c9a864e9c98407366981c6547281e134573c86074d7

    SHA512

    2972be7422a82030e9dde987233cd1d1db8516c28c410c8c03d38acb68d9783a5bd6aa93f182129b0830223523b95633c1f3eee9869bd779bbd7b8de2ff9472f

  • C:\Users\Admin\AppData\Local\Temp\LastFudCy.exe
    MD5

    0a236522a4053835ac2093099e535fcb

    SHA1

    3f039b58ff3db3f597cff65e9dcaa80b15fee28c

    SHA256

    1ea5ebe3eac08648aa427c9a864e9c98407366981c6547281e134573c86074d7

    SHA512

    2972be7422a82030e9dde987233cd1d1db8516c28c410c8c03d38acb68d9783a5bd6aa93f182129b0830223523b95633c1f3eee9869bd779bbd7b8de2ff9472f

  • memory/2472-115-0x0000000000000000-mapping.dmp
  • memory/2472-130-0x00000000013D0000-0x00000000013D1000-memory.dmp
    Filesize

    4KB

  • memory/3124-121-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/3124-125-0x0000000000423390-mapping.dmp
  • memory/3124-131-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/3696-155-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-160-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-133-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-134-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-135-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-136-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-132-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-137-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-138-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-140-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-139-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-141-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-142-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-143-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-144-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-145-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-146-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-148-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-147-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-149-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-150-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-151-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-152-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-154-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-120-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-156-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-153-0x0000000002A70000-0x0000000002A71000-memory.dmp
    Filesize

    4KB

  • memory/3696-157-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-158-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-129-0x000000000042A08E-mapping.dmp
  • memory/3696-159-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-161-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-162-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-163-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-164-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-166-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-165-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-168-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-169-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-167-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-170-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-171-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-172-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-173-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-174-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-175-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-176-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-177-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-178-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-179-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-180-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-181-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-182-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-183-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-184-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-185-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-186-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-187-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-188-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/3696-189-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB