Analysis

  • max time kernel
    114s
  • max time network
    118s
  • 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 08:20

General

  • Target

    e92558ae38e7e4265d09e8c75eea1fe0N.exe

  • Size

    118KB

  • MD5

    e92558ae38e7e4265d09e8c75eea1fe0

  • SHA1

    5de2f64c6126771c1b1b1c7e2441e709bd008a97

  • SHA256

    3d90e73d4a2d7b46de5897b1db7fdbca33b49e713bd215743f76d582b547a230

  • SHA512

    2cd8e1cc4eee377b92cb0d8ab883a03355929fad404863c6e77276d0be4c8bdf232a4f7dc866e3c36ae38faca1f25ed141ddeb97c1ca08d5367bb71e31cd5bab

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FgE:P5eznsjsguGDFqGZ2rDL14FgE

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\e92558ae38e7e4265d09e8c75eea1fe0N.exe
    "C:\Users\Admin\AppData\Local\Temp\e92558ae38e7e4265d09e8c75eea1fe0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3868
    • 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:1452
      • 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:3160
        • 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:5000

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

    118KB

    MD5

    c28ab1e9ed5e50db5ec7afc3a94826c6

    SHA1

    7d339ec3a37857777289e343c1dc91d02133bb14

    SHA256

    8bd4692aa627bd894a91a72874876e5990cab66f03af0f3a6782bad872d77c27

    SHA512

    db444820a00138ed506b2d17f596b69e83125a5682df01ece4522947fc4787f3786fbb956e217ded464cb95cf882b1c9a6900b92f76c6b733d0d76a437937a01

  • memory/1452-28-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1452-22-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1452-21-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3160-30-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3160-27-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3160-29-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3160-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3868-19-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3868-20-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3868-1-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3868-0-0x0000000074E42000-0x0000000074E43000-memory.dmp

    Filesize

    4KB

  • memory/3868-6-0x0000000074E42000-0x0000000074E43000-memory.dmp

    Filesize

    4KB

  • memory/3868-2-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3868-7-0x0000000074E40000-0x00000000753F1000-memory.dmp

    Filesize

    5.7MB