Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:42

General

  • Target

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

  • Size

    180KB

  • MD5

    f76896af9cfc0316ef7f670c7f5ed927

  • SHA1

    e536ae98ec304649f5bc9f18f9731e54f544228e

  • SHA256

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

  • SHA512

    9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

  • SSDEEP

    3072:YbzRtQ/hKbSjSQgBp0kZlqTb/dtzDE+Khtntpsak8rDWtV+:YQoSqhZlQRtzDCt3t4

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

0788878940.no-ip.org:55554

Mutex

46123a2deb0d891e7972ee418c053b39

Attributes
  • reg_key

    46123a2deb0d891e7972ee418c053b39

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
    "C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
      C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:888
      • C:\Users\Admin\AppData\Roaming\windows.exe
        "C:\Users\Admin\AppData\Roaming\windows.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1732
        • C:\Users\Admin\AppData\Roaming\windows.exe
          C:\Users\Admin\AppData\Roaming\windows.exe
          4⤵
          • Executes dropped EXE
          • Drops startup file
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:376
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\windows.exe" "windows.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\windows.exe

    Filesize

    180KB

    MD5

    f76896af9cfc0316ef7f670c7f5ed927

    SHA1

    e536ae98ec304649f5bc9f18f9731e54f544228e

    SHA256

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

    SHA512

    9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

  • C:\Users\Admin\AppData\Roaming\windows.exe

    Filesize

    180KB

    MD5

    f76896af9cfc0316ef7f670c7f5ed927

    SHA1

    e536ae98ec304649f5bc9f18f9731e54f544228e

    SHA256

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

    SHA512

    9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

  • C:\Users\Admin\AppData\Roaming\windows.exe

    Filesize

    180KB

    MD5

    f76896af9cfc0316ef7f670c7f5ed927

    SHA1

    e536ae98ec304649f5bc9f18f9731e54f544228e

    SHA256

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

    SHA512

    9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

  • \Users\Admin\AppData\Roaming\windows.exe

    Filesize

    180KB

    MD5

    f76896af9cfc0316ef7f670c7f5ed927

    SHA1

    e536ae98ec304649f5bc9f18f9731e54f544228e

    SHA256

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

    SHA512

    9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

  • memory/376-86-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/376-82-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/376-73-0x000000000040748E-mapping.dmp

  • memory/888-61-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/888-59-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/888-64-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/888-56-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/888-71-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/888-57-0x000000000040748E-mapping.dmp

  • memory/968-84-0x0000000000000000-mapping.dmp

  • memory/1732-81-0x0000000002065000-0x0000000002076000-memory.dmp

    Filesize

    68KB

  • memory/1732-80-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1732-83-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1732-67-0x0000000000000000-mapping.dmp

  • memory/2012-54-0x0000000075281000-0x0000000075283000-memory.dmp

    Filesize

    8KB

  • memory/2012-65-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/2012-63-0x0000000000EC5000-0x0000000000ED6000-memory.dmp

    Filesize

    68KB

  • memory/2012-55-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB