Analysis

  • max time kernel
    161s
  • max time network
    169s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    29-01-2022 09:02

General

  • Target

    442c39a249ad383a205d0f9d8c556f6fe5f7bb1413e5c3f5617a1596b1510dcb.exe

  • Size

    163KB

  • MD5

    1bb3a15bc1792ea6c8af97d449ed0c79

  • SHA1

    d60dbc9a663b0c8ce2baa8f7e65bdcf94e09718e

  • SHA256

    442c39a249ad383a205d0f9d8c556f6fe5f7bb1413e5c3f5617a1596b1510dcb

  • SHA512

    41791476348a5c8095e293d86ef174126101d2ad8fc0c7f80ed8d67eb4997a30fbc54327224f1572ebcd39bd1ef8c739b5c0ae35a9fed72f2254d6f25ce9d315

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\442c39a249ad383a205d0f9d8c556f6fe5f7bb1413e5c3f5617a1596b1510dcb.exe
    "C:\Users\Admin\AppData\Local\Temp\442c39a249ad383a205d0f9d8c556f6fe5f7bb1413e5c3f5617a1596b1510dcb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Roaming\svshost.exe
      "C:\Users\Admin\AppData\Roaming\svshost.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3296
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svshost.exe" "svshost.exe" ENABLE
        3⤵
          PID:1872

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      MD5

      1bb3a15bc1792ea6c8af97d449ed0c79

      SHA1

      d60dbc9a663b0c8ce2baa8f7e65bdcf94e09718e

      SHA256

      442c39a249ad383a205d0f9d8c556f6fe5f7bb1413e5c3f5617a1596b1510dcb

      SHA512

      41791476348a5c8095e293d86ef174126101d2ad8fc0c7f80ed8d67eb4997a30fbc54327224f1572ebcd39bd1ef8c739b5c0ae35a9fed72f2254d6f25ce9d315

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

      MD5

      1bb3a15bc1792ea6c8af97d449ed0c79

      SHA1

      d60dbc9a663b0c8ce2baa8f7e65bdcf94e09718e

      SHA256

      442c39a249ad383a205d0f9d8c556f6fe5f7bb1413e5c3f5617a1596b1510dcb

      SHA512

      41791476348a5c8095e293d86ef174126101d2ad8fc0c7f80ed8d67eb4997a30fbc54327224f1572ebcd39bd1ef8c739b5c0ae35a9fed72f2254d6f25ce9d315

    • memory/2828-119-0x0000000001090000-0x0000000001092000-memory.dmp

      Filesize

      8KB

    • memory/2828-121-0x0000000001092000-0x0000000001094000-memory.dmp

      Filesize

      8KB

    • memory/2828-122-0x0000000001094000-0x0000000001095000-memory.dmp

      Filesize

      4KB

    • memory/3296-125-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

      Filesize

      8KB

    • memory/3296-127-0x0000000000FF2000-0x0000000000FF4000-memory.dmp

      Filesize

      8KB

    • memory/3296-128-0x0000000000FF4000-0x0000000000FF5000-memory.dmp

      Filesize

      4KB