Analysis

  • max time kernel
    149s
  • max time network
    193s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-09-2021 09:51

General

  • Target

    04E1A14639F9FD0903F21EDD99B1CADC9267B0AC2F402.exe

  • Size

    91KB

  • MD5

    8e0342b0a50e046c2b22f6d9548024eb

  • SHA1

    0378936325dd0a19ac2547ad462017db60d9d315

  • SHA256

    04e1a14639f9fd0903f21edd99b1cadc9267b0ac2f402863d6eb3acc4d48acf7

  • SHA512

    cc9a2a0bcfbfd686b7be8487cc95eec046b30a46878cea40a457082478b5b6f00965b54d81cf4a3b7659fd087a27e0f0ad1c6f47cbbab7ff82f5b5bc3fb95876

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

kanichnadia.duckdns.org:1979

Mutex

c9b81cdf127358c4e9ff59acf837f3c6

Attributes
  • reg_key

    c9b81cdf127358c4e9ff59acf837f3c6

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04E1A14639F9FD0903F21EDD99B1CADC9267B0AC2F402.exe
    "C:\Users\Admin\AppData\Local\Temp\04E1A14639F9FD0903F21EDD99B1CADC9267B0AC2F402.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\04E1A14639F9FD0903F21EDD99B1CADC9267B0AC2F402.exe" "04E1A14639F9FD0903F21EDD99B1CADC9267B0AC2F402.exe" ENABLE
      2⤵
        PID:1668

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1276-59-0x00000000011A0000-0x00000000011A1000-memory.dmp
      Filesize

      4KB

    • memory/1276-61-0x0000000004960000-0x0000000004961000-memory.dmp
      Filesize

      4KB

    • memory/1276-62-0x0000000000470000-0x0000000000476000-memory.dmp
      Filesize

      24KB

    • memory/1668-63-0x0000000000000000-mapping.dmp
    • memory/1668-64-0x0000000075B31000-0x0000000075B33000-memory.dmp
      Filesize

      8KB