Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 03:11

General

  • Target

    68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7.exe

  • Size

    23KB

  • MD5

    cb5828ff44cabf7101a23e21c11b972b

  • SHA1

    80f5fe5f16d85c8bcf6ad004c79bb8de2504273c

  • SHA256

    68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7

  • SHA512

    594226a3db27fae1c87ca8fd123975f0be280da5351d86945c923b9fdc8e3362beafb7c801e02212bdbd5ca30948da9edc0e625c9d1c4b1c1a834b6a78f4b460

  • SSDEEP

    384:boWSkWHa55BgDVRGipkItzY6FZg36Eh7FpmRvR6JZlbw8hqIusZzZAy:0Juk9ptRpcnuQ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ahmeddx0.linkpc.net:5552

Mutex

5fb3d6ac2e5ec4068fb3d8086a910d93

Attributes
  • reg_key

    5fb3d6ac2e5ec4068fb3d8086a910d93

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 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\68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7.exe
    "C:\Users\Admin\AppData\Local\Temp\68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\server.exe
      "C:\Users\Admin\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2952
      • 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:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\server.exe

    Filesize

    23KB

    MD5

    cb5828ff44cabf7101a23e21c11b972b

    SHA1

    80f5fe5f16d85c8bcf6ad004c79bb8de2504273c

    SHA256

    68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7

    SHA512

    594226a3db27fae1c87ca8fd123975f0be280da5351d86945c923b9fdc8e3362beafb7c801e02212bdbd5ca30948da9edc0e625c9d1c4b1c1a834b6a78f4b460

  • memory/2088-0-0x0000000074621000-0x0000000074622000-memory.dmp

    Filesize

    4KB

  • memory/2088-1-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2088-2-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2088-10-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2952-12-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2952-11-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2952-14-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB