Analysis

  • max time kernel
    148s
  • 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
    17-08-2024 04:55

General

  • Target

    c5c3169cf4c8132f94a8ce8346745c67d1cb1164d0bca05e355da8733dc6f3a2.exe

  • Size

    116KB

  • MD5

    29ad3bc0d80b70bcf377fc9cdc0534d1

  • SHA1

    6603a72eebe0ad6bdcb0c28efc8cf09fe57605dc

  • SHA256

    c5c3169cf4c8132f94a8ce8346745c67d1cb1164d0bca05e355da8733dc6f3a2

  • SHA512

    7c7b17045aaa606ec555170a0ba9fd95bfdef0d783b973bffa17a009f82d1e643820cf13abe7c4d6f39d82202f12dc8862b89decc30daaeb7ee648707d2346b1

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQzr:P5eznsjsguGDFqGZ2rxr

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\c5c3169cf4c8132f94a8ce8346745c67d1cb1164d0bca05e355da8733dc6f3a2.exe
    "C:\Users\Admin\AppData\Local\Temp\c5c3169cf4c8132f94a8ce8346745c67d1cb1164d0bca05e355da8733dc6f3a2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4368
    • 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:3580
      • 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:3116
        • 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:4860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    5c856e40df0cc27ddac127168517f382

    SHA1

    641449c0d9f80d8bf1d6426aa4edc5c65e906715

    SHA256

    23eaa57b406942f3980bf8afb46aa91152e12a422a57bdbacf81a22a8819d3d3

    SHA512

    4987c9f37165064b9bdc4734bf4e4dd1028b539af176a37b67dd90be0f44dad47eed1244eb3bcec7e5620727fb99a73a5d8d83e25203150647b9c67798eb8e25

  • memory/3116-30-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-28-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3580-21-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/3580-22-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/3580-23-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/3580-29-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/4368-20-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/4368-19-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/4368-0-0x00000000752B2000-0x00000000752B3000-memory.dmp

    Filesize

    4KB

  • memory/4368-7-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/4368-6-0x00000000752B2000-0x00000000752B3000-memory.dmp

    Filesize

    4KB

  • memory/4368-2-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB

  • memory/4368-1-0x00000000752B0000-0x0000000075861000-memory.dmp

    Filesize

    5.7MB