Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 17:36

General

  • Target

    57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe

  • Size

    23KB

  • MD5

    154ea8b5bfc539b9ed57cad3bce821e0

  • SHA1

    f064f35081e04ae292f455df1abcc0c1ae319e2a

  • SHA256

    57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188

  • SHA512

    e1ff4201c8e0c3774f0dabd911738dcf23fda886a0f30d256babbccf234e4172c5636aad7404897ecfd33358ebe301e9d83db20da8ed5082f9dfc06b02430046

  • SSDEEP

    384:bcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZ5l:A30py6vhxaRpcnuU

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.1.107:5555

Mutex

456e48741b8e33d90b3e21f5b318e2a9

Attributes
  • reg_key

    456e48741b8e33d90b3e21f5b318e2a9

  • 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 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe
    "C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\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:2704
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    154ea8b5bfc539b9ed57cad3bce821e0

    SHA1

    f064f35081e04ae292f455df1abcc0c1ae319e2a

    SHA256

    57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188

    SHA512

    e1ff4201c8e0c3774f0dabd911738dcf23fda886a0f30d256babbccf234e4172c5636aad7404897ecfd33358ebe301e9d83db20da8ed5082f9dfc06b02430046

  • memory/2704-12-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-11-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-13-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/2916-0-0x0000000074BC1000-0x0000000074BC2000-memory.dmp

    Filesize

    4KB

  • memory/2916-1-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/2916-2-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/2916-10-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB