Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    19-12-2021 13:58

General

  • Target

    BladaBindi_1.exe

  • Size

    108KB

  • MD5

    d8fe97c45c907fc6dac792590fa11f68

  • SHA1

    b51408881f22a20bb8c1a1a1623e91aff44d15e8

  • SHA256

    280eafd06a8484a10980170c2ff14f344bdae364e52c6680068d2f866175f746

  • SHA512

    ab8cdc9cf24b46ff664d96d4de1b430fb6a16e14b0cd944bbe7f5e4c323b7a120689422bddb7c071d1a52dca8e80cc2dde989cdd693a61b1e27b76ccfa291bdf

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Drops startup file 2 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BladaBindi_1.exe
    "C:\Users\Admin\AppData\Local\Temp\BladaBindi_1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\BladaBindi_1.exe
      C:\Users\Admin\AppData\Local\Temp\BladaBindi_1.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Users\Admin\AppData\Local\Temp\hostr.exe
        "C:\Users\Admin\AppData\Local\Temp\hostr.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:896
        • C:\Users\Admin\AppData\Local\Temp\hostr.exe
          C:\Users\Admin\AppData\Local\Temp\hostr.exe
          4⤵
          • Executes dropped EXE
          • Drops startup file
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\hostr.exe" "hostr.exe" ENABLE
            5⤵
              PID:1108

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      MD5

      d8fe97c45c907fc6dac792590fa11f68

      SHA1

      b51408881f22a20bb8c1a1a1623e91aff44d15e8

      SHA256

      280eafd06a8484a10980170c2ff14f344bdae364e52c6680068d2f866175f746

      SHA512

      ab8cdc9cf24b46ff664d96d4de1b430fb6a16e14b0cd944bbe7f5e4c323b7a120689422bddb7c071d1a52dca8e80cc2dde989cdd693a61b1e27b76ccfa291bdf

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

      MD5

      d8fe97c45c907fc6dac792590fa11f68

      SHA1

      b51408881f22a20bb8c1a1a1623e91aff44d15e8

      SHA256

      280eafd06a8484a10980170c2ff14f344bdae364e52c6680068d2f866175f746

      SHA512

      ab8cdc9cf24b46ff664d96d4de1b430fb6a16e14b0cd944bbe7f5e4c323b7a120689422bddb7c071d1a52dca8e80cc2dde989cdd693a61b1e27b76ccfa291bdf

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

      MD5

      d8fe97c45c907fc6dac792590fa11f68

      SHA1

      b51408881f22a20bb8c1a1a1623e91aff44d15e8

      SHA256

      280eafd06a8484a10980170c2ff14f344bdae364e52c6680068d2f866175f746

      SHA512

      ab8cdc9cf24b46ff664d96d4de1b430fb6a16e14b0cd944bbe7f5e4c323b7a120689422bddb7c071d1a52dca8e80cc2dde989cdd693a61b1e27b76ccfa291bdf

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

      MD5

      d8fe97c45c907fc6dac792590fa11f68

      SHA1

      b51408881f22a20bb8c1a1a1623e91aff44d15e8

      SHA256

      280eafd06a8484a10980170c2ff14f344bdae364e52c6680068d2f866175f746

      SHA512

      ab8cdc9cf24b46ff664d96d4de1b430fb6a16e14b0cd944bbe7f5e4c323b7a120689422bddb7c071d1a52dca8e80cc2dde989cdd693a61b1e27b76ccfa291bdf

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

      MD5

      d8fe97c45c907fc6dac792590fa11f68

      SHA1

      b51408881f22a20bb8c1a1a1623e91aff44d15e8

      SHA256

      280eafd06a8484a10980170c2ff14f344bdae364e52c6680068d2f866175f746

      SHA512

      ab8cdc9cf24b46ff664d96d4de1b430fb6a16e14b0cd944bbe7f5e4c323b7a120689422bddb7c071d1a52dca8e80cc2dde989cdd693a61b1e27b76ccfa291bdf

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

      MD5

      d8fe97c45c907fc6dac792590fa11f68

      SHA1

      b51408881f22a20bb8c1a1a1623e91aff44d15e8

      SHA256

      280eafd06a8484a10980170c2ff14f344bdae364e52c6680068d2f866175f746

      SHA512

      ab8cdc9cf24b46ff664d96d4de1b430fb6a16e14b0cd944bbe7f5e4c323b7a120689422bddb7c071d1a52dca8e80cc2dde989cdd693a61b1e27b76ccfa291bdf

    • memory/896-62-0x0000000000000000-mapping.dmp

    • memory/896-67-0x0000000000600000-0x0000000000601000-memory.dmp

      Filesize

      4KB

    • memory/1108-73-0x0000000000000000-mapping.dmp

    • memory/1160-70-0x000000000040897E-mapping.dmp

    • memory/1160-75-0x00000000006B0000-0x00000000006B1000-memory.dmp

      Filesize

      4KB

    • memory/1160-76-0x00000000006B5000-0x00000000006C6000-memory.dmp

      Filesize

      68KB

    • memory/1700-55-0x00000000758A1000-0x00000000758A3000-memory.dmp

      Filesize

      8KB

    • memory/1700-56-0x00000000001E0000-0x00000000001E1000-memory.dmp

      Filesize

      4KB

    • memory/1932-63-0x00000000009F0000-0x00000000009F1000-memory.dmp

      Filesize

      4KB

    • memory/1932-57-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/1932-58-0x000000000040897E-mapping.dmp