Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2024 21:47

General

  • Target

    5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe

  • Size

    115KB

  • MD5

    933f27d14b6e1cbeda7332d0d582965c

  • SHA1

    8a6d16615396d490ed3257a21975949ba50ad954

  • SHA256

    5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33

  • SHA512

    696244f593fd90ad128c095cacc11330eac16d69e04db1ffd864f2d4180d68cf5edac3d835321359526a7ae5e2a969589b393ea29eb15a3a0d8b4b80aae5993d

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMIR:P5eznsjsguGDFqGZ2rIR

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\5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe
    "C:\Users\Admin\AppData\Local\Temp\5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4252
    • 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:2152
      • 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:3988
        • 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:1212

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

    115KB

    MD5

    775e334673ece18144a7a722b99bf4bb

    SHA1

    cfc11c8f9319bacc16d9a333120050280849b9b8

    SHA256

    f3a56015149389673b5e2fc13e0fb131b2518cb2ca05f0af20657e7bd2fb137c

    SHA512

    83936fc696770b58d2220447d640ce5d332b63ed8b2adbad56537acc2ad6b4b4451003905f443ae66cd19f77b581dd478ea5902b28802e4721222784acdb02de

  • memory/2152-19-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-18-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-20-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-25-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/3988-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3988-26-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/3988-27-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-2-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-0-0x00000000753C2000-0x00000000753C3000-memory.dmp

    Filesize

    4KB

  • memory/4252-17-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4252-1-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB