Analysis

  • max time kernel
    57s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 19:00

General

  • Target

    201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe

  • Size

    115KB

  • MD5

    18b9b2bf0f8001547dd3e3645d4bd744

  • SHA1

    7973dee49840a6586dd94fc3d1503ba07ead70e2

  • SHA256

    201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742

  • SHA512

    5ea7d4ac55231b79c0900fb3d262c55626b2c41be8b0a63a9769797cf8d5b368d6014163dc034516dc8841bb70f6144200f67c3709da108a18f03e86589c3c18

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat6v:P5eznsjsguGDFqGZ2riv

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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 11 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe
    "C:\Users\Admin\AppData\Local\Temp\201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3852
    • 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:1568
      • 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:4616
        • 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:5344

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

    115KB

    MD5

    6ee65d2a9c728ac12f972964f6825d5e

    SHA1

    6e4b2067ec3f14ea3d988a2730df9dc2385f13d1

    SHA256

    a7f02fd2a6280eaea5bf283c9da9cd51bf69b4e3f6fbaa89dacee36facf15f5b

    SHA512

    6161de20bb7fb7b65c77ab58e2847580ae890da910409dc4f4667817e7f8378b6dab3c28e9216d8d85dfe8a1ad03f92aba1ad718d2300f3037d9db57214c89df

  • memory/1568-27-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-21-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-20-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/3852-6-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB

  • memory/3852-19-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/3852-7-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/3852-0-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB

  • memory/3852-2-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/3852-1-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4616-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4616-26-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4616-28-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4616-29-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB