Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 13:27

General

  • Target

    c5046080d6124d3ed0e6728a894eb0b0N.exe

  • Size

    23KB

  • MD5

    c5046080d6124d3ed0e6728a894eb0b0

  • SHA1

    e163565717d7ce1ff1cf17b665e47621292ce1ff

  • SHA256

    d24502d256ffbe5622f52aeaece660c5b3b21437086b137d8db20365ae8c3f15

  • SHA512

    b89aa72e90a8c3b627227352ce4d248e1dea87445927fc566c55faa2fbe71ce14653bb0ebd7e3eed2de13a90b1e49a456b32ef6e1d7081bb30116f2a5578cad9

  • SSDEEP

    384:t8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZa8:lY+sNKqNHnSdRpcnuc

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.1.11:5552

Mutex

7bf175e23b4ba6fa8274a592c16c85ee

Attributes
  • reg_key

    7bf175e23b4ba6fa8274a592c16c85ee

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5046080d6124d3ed0e6728a894eb0b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\c5046080d6124d3ed0e6728a894eb0b0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\server.exe
      "C:\Users\Admin\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\server.exe

    Filesize

    23KB

    MD5

    c5046080d6124d3ed0e6728a894eb0b0

    SHA1

    e163565717d7ce1ff1cf17b665e47621292ce1ff

    SHA256

    d24502d256ffbe5622f52aeaece660c5b3b21437086b137d8db20365ae8c3f15

    SHA512

    b89aa72e90a8c3b627227352ce4d248e1dea87445927fc566c55faa2fbe71ce14653bb0ebd7e3eed2de13a90b1e49a456b32ef6e1d7081bb30116f2a5578cad9

  • memory/2548-12-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-10-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-13-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/3012-0-0x00000000740D1000-0x00000000740D2000-memory.dmp

    Filesize

    4KB

  • memory/3012-1-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/3012-2-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/3012-11-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB