Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 15:55

General

  • Target

    bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe

  • Size

    100KB

  • MD5

    3d5d5001a558f06c8013f35d0708817c

  • SHA1

    41642aec0b7ea7010c71ed512e952de75745112b

  • SHA256

    bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239

  • SHA512

    a69346e463a6bee2ac84b6596d3faa74d3d527c53a52759d61c5a80bead05ae8a4fd49533807e54ffa518c09ca8937424ceb6604797225de35133ab3f2fd6724

  • SSDEEP

    1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4eP:d5eznsjsguGDFqG

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\bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe
    "C:\Users\Admin\AppData\Local\Temp\bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2652
    • 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:1556
      • 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:2052
        • 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:2732

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

    100KB

    MD5

    dc02e7be92059fd454e7a15cd9c52dc9

    SHA1

    2549541c3f1eb1aedd43a86efede494f2260ac4a

    SHA256

    77a953977e4b29e6b1e7a21e3cc26cba15227891ee7a9dc6943ce50086ed4b0a

    SHA512

    63e1eaa197810698e9c8f0b11e6b0ddbaf21cf4c0e65118edc73465156d8043023976fb4de08bf6990f1a495b7845d2fd1c0565eceb2289c14641511518a5050

  • memory/1556-27-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/1556-22-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/1556-21-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2052-29-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2052-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2052-28-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2052-30-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-20-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-19-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-7-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-6-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

    Filesize

    4KB

  • memory/2652-2-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

    Filesize

    4KB

  • memory/2652-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB