Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2024 14:21

General

  • Target

    3dbe30b615ca39afbc28c4e00fb5941d.exe

  • Size

    489KB

  • MD5

    3dbe30b615ca39afbc28c4e00fb5941d

  • SHA1

    199f664cf6d92a172c2e2d8cbfcd71f2884f2906

  • SHA256

    66a1743f5791c9746a988bb1e5c250f25941a3122430be24380d9a9cb3484961

  • SHA512

    2fd60508dfbe0942363bdd1183df0e2c43d628af036462d9ab648bce15209ef39061e64b162174b500fb5c79a3dcb07a6098bb365c9eea76dcd4fb0ab62110e8

  • SSDEEP

    12288:tar1ua/gY5dCTiJ5njy4NR/9M4OZp75vl07sOxc:ohn5QyNykI4AVly7

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

VIP@DUMP

C2

volkatv500.sytes.net:999

Mutex

e0bb29bc288c4cac846ed6aff410e0c6

Attributes
  • reg_key

    e0bb29bc288c4cac846ed6aff410e0c6

  • 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
  • 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.

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dbe30b615ca39afbc28c4e00fb5941d.exe
    "C:\Users\Admin\AppData\Local\Temp\3dbe30b615ca39afbc28c4e00fb5941d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Roaming\winhelp.bat
      "C:\Users\Admin\AppData\Roaming\winhelp.bat"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1272
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\winhelp.bat" "winhelp.bat" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\winhelp.bat

    Filesize

    489KB

    MD5

    3dbe30b615ca39afbc28c4e00fb5941d

    SHA1

    199f664cf6d92a172c2e2d8cbfcd71f2884f2906

    SHA256

    66a1743f5791c9746a988bb1e5c250f25941a3122430be24380d9a9cb3484961

    SHA512

    2fd60508dfbe0942363bdd1183df0e2c43d628af036462d9ab648bce15209ef39061e64b162174b500fb5c79a3dcb07a6098bb365c9eea76dcd4fb0ab62110e8

  • memory/1272-34-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-33-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-32-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-31-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-29-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-28-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-27-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-26-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-25-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-23-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-22-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/1272-21-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-7-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-8-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-13-0x000007FEF5A9E000-0x000007FEF5A9F000-memory.dmp

    Filesize

    4KB

  • memory/2884-12-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-20-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-11-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-24-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-10-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-9-0x000000001AF20000-0x000000001AF2C000-memory.dmp

    Filesize

    48KB

  • memory/2884-14-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-0-0x000007FEF5A9E000-0x000007FEF5A9F000-memory.dmp

    Filesize

    4KB

  • memory/2884-6-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-5-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-4-0x0000000000C50000-0x0000000000C56000-memory.dmp

    Filesize

    24KB

  • memory/2884-3-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-1-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

    Filesize

    9.6MB

  • memory/2884-2-0x00000000004B0000-0x0000000000538000-memory.dmp

    Filesize

    544KB