Analysis

  • max time kernel
    149s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:16

General

  • Target

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8.exe

  • Size

    117KB

  • MD5

    54ef63adae22a3f65e31292fc73e0988

  • SHA1

    bbb0a96f006a633bb1326b14958516b42f1d37cc

  • SHA256

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8

  • SHA512

    dcc82f1247cae2268ea5192e874f6836ca4548750067ec24b9b70706fb2118f9c54c92f4c1f726dc71775326e1151c7f1075316836c758f5f270efd61e028437

  • SSDEEP

    3072:bC2FWOpfhDgaXBp2EIdXeAZqjHGcPjzqU+0VU:f02FxnIZetbXG+

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

hecked

C2

tarikkungfeude.no-ip.biz:1177

Mutex

ff5b36e94ed32112d022b6a1fe2be27e

Attributes
  • reg_key

    ff5b36e94ed32112d022b6a1fe2be27e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 3 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 behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8.exe
    "C:\Users\Admin\AppData\Local\Temp\57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8.exe
      C:\Users\Admin\AppData\Local\Temp\57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\vlc.exe
        "C:\Users\Admin\AppData\Local\Temp\vlc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:884
        • C:\Users\Admin\AppData\Local\Temp\vlc.exe
          C:\Users\Admin\AppData\Local\Temp\vlc.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1476
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\vlc.exe" "vlc.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    117KB

    MD5

    54ef63adae22a3f65e31292fc73e0988

    SHA1

    bbb0a96f006a633bb1326b14958516b42f1d37cc

    SHA256

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8

    SHA512

    dcc82f1247cae2268ea5192e874f6836ca4548750067ec24b9b70706fb2118f9c54c92f4c1f726dc71775326e1151c7f1075316836c758f5f270efd61e028437

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

    Filesize

    117KB

    MD5

    54ef63adae22a3f65e31292fc73e0988

    SHA1

    bbb0a96f006a633bb1326b14958516b42f1d37cc

    SHA256

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8

    SHA512

    dcc82f1247cae2268ea5192e874f6836ca4548750067ec24b9b70706fb2118f9c54c92f4c1f726dc71775326e1151c7f1075316836c758f5f270efd61e028437

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

    Filesize

    117KB

    MD5

    54ef63adae22a3f65e31292fc73e0988

    SHA1

    bbb0a96f006a633bb1326b14958516b42f1d37cc

    SHA256

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8

    SHA512

    dcc82f1247cae2268ea5192e874f6836ca4548750067ec24b9b70706fb2118f9c54c92f4c1f726dc71775326e1151c7f1075316836c758f5f270efd61e028437

  • \Users\Admin\AppData\Local\Temp\vlc.exe

    Filesize

    117KB

    MD5

    54ef63adae22a3f65e31292fc73e0988

    SHA1

    bbb0a96f006a633bb1326b14958516b42f1d37cc

    SHA256

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8

    SHA512

    dcc82f1247cae2268ea5192e874f6836ca4548750067ec24b9b70706fb2118f9c54c92f4c1f726dc71775326e1151c7f1075316836c758f5f270efd61e028437

  • \Users\Admin\AppData\Local\Temp\vlc.exe

    Filesize

    117KB

    MD5

    54ef63adae22a3f65e31292fc73e0988

    SHA1

    bbb0a96f006a633bb1326b14958516b42f1d37cc

    SHA256

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8

    SHA512

    dcc82f1247cae2268ea5192e874f6836ca4548750067ec24b9b70706fb2118f9c54c92f4c1f726dc71775326e1151c7f1075316836c758f5f270efd61e028437

  • \Users\Admin\AppData\Local\Temp\vlc.exe

    Filesize

    117KB

    MD5

    54ef63adae22a3f65e31292fc73e0988

    SHA1

    bbb0a96f006a633bb1326b14958516b42f1d37cc

    SHA256

    57910bc5597e7df03d4d1631bc836b92530ed5865d3ed9a05d5e2df8759d41a8

    SHA512

    dcc82f1247cae2268ea5192e874f6836ca4548750067ec24b9b70706fb2118f9c54c92f4c1f726dc71775326e1151c7f1075316836c758f5f270efd61e028437

  • memory/884-68-0x0000000000000000-mapping.dmp

  • memory/884-86-0x0000000000455000-0x0000000000466000-memory.dmp

    Filesize

    68KB

  • memory/884-85-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/884-83-0x0000000000455000-0x0000000000466000-memory.dmp

    Filesize

    68KB

  • memory/884-73-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/1256-59-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1256-57-0x000000000040748E-mapping.dmp

  • memory/1256-72-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/1256-56-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1256-61-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1256-63-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/1476-84-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/1476-76-0x000000000040748E-mapping.dmp

  • memory/1476-89-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/1632-55-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/1632-64-0x0000000074F90000-0x000000007553B000-memory.dmp

    Filesize

    5.7MB

  • memory/1632-65-0x0000000000955000-0x0000000000966000-memory.dmp

    Filesize

    68KB

  • memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

    Filesize

    8KB

  • memory/1724-87-0x0000000000000000-mapping.dmp