Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 01:30

General

  • Target

    9b2117cb443b102c2898569636bf88b12c57e995c21e0fac08552b63843693d8.exe

  • Size

    116KB

  • MD5

    54a24ca4e86b1e12d170b500b188d2b4

  • SHA1

    9a12377ca1121a36636e81c37ac4d47b2b7e3f0d

  • SHA256

    9b2117cb443b102c2898569636bf88b12c57e995c21e0fac08552b63843693d8

  • SHA512

    b56a04e965ae54b686ed9bcd1b3a9541e5d4a000b2ecf5ea92ad5d29fd548278eb2253973b61ce6f7aa7cb4a5164e955bf4f15b37745a25aadc0dedfac5ffa8e

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeae:P5eznsjsguGDFqGZ2rG

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 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b2117cb443b102c2898569636bf88b12c57e995c21e0fac08552b63843693d8.exe
    "C:\Users\Admin\AppData\Local\Temp\9b2117cb443b102c2898569636bf88b12c57e995c21e0fac08552b63843693d8.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4908
    • 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:344
      • 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:4996
        • 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:2532

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

    116KB

    MD5

    45aeb76d752102047daa029a196660cd

    SHA1

    86556587629b479e5f81c0f83c62a02662dc3a5a

    SHA256

    0296e82bc2429d8fa1cdb97a9c906f0ff2c30419016866044ec0ee89c685fc5a

    SHA512

    4ec11222b34bece74520a1dd4077fb444719df32017c11d34793b4a68c035ad32c95400ca27fca93dffa5904019276eb1ec357b35d0557119c499ebed439b5b2

  • memory/344-19-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/344-18-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/344-25-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4908-2-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4908-17-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4908-0-0x00000000753C2000-0x00000000753C3000-memory.dmp

    Filesize

    4KB

  • memory/4908-1-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4996-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4996-24-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4996-26-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4996-27-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB