Analysis

  • max time kernel
    116s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 17:53

General

  • Target

    965c9b04307de522482b70a7b0b79b70N.exe

  • Size

    117KB

  • MD5

    965c9b04307de522482b70a7b0b79b70

  • SHA1

    861e28d528681e564220286efa9d2f6fe5e3304a

  • SHA256

    ee4a94267c84c59513a4ce4055af99a021c9a6d18c543cb6cfcd1d6252fc069b

  • SHA512

    b1ca8d391f5065086d029122e8cb1c236760ef9d64bf9c014627fcee3224816e010de4bdfaa138ab36c814b06acf21731266fee3b520d72bbaaeec2aac3c7312

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLM:P5eznsjsguGDFqGZ2rDLM

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 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 4 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 25 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\965c9b04307de522482b70a7b0b79b70N.exe
    "C:\Users\Admin\AppData\Local\Temp\965c9b04307de522482b70a7b0b79b70N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3152
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

  • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    117KB

    MD5

    e6a5ad8619c4783c20c38cdbe999f2cb

    SHA1

    1f7c07d7c3e6e92298adda72c00aec5ed656fb3e

    SHA256

    355053e467906a58045f9d60bf4b88e7634258cdb1e20c8054a3a4a733814d58

    SHA512

    de38a2d1e8dfbb5ab0780df79b814fcec8bc84f0e2afc97006db0f3685c44219f752d27f8a87d269c1e127a117ab04ddc6a2f56549c36f71695c901959c316d5

  • memory/2040-21-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2040-23-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2040-29-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2040-22-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3152-31-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3152-30-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3152-28-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3152-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3732-19-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3732-0-0x0000000074662000-0x0000000074663000-memory.dmp

    Filesize

    4KB

  • memory/3732-1-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3732-20-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3732-6-0x0000000074662000-0x0000000074663000-memory.dmp

    Filesize

    4KB

  • memory/3732-2-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/3732-7-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB