Analysis

  • max time kernel
    115s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 04:25

General

  • Target

    294bfcf19ec1038743a3e1323a85813fceb9394aee216abc4947c97de32cc25bN.exe

  • Size

    114KB

  • MD5

    b532f62b2faaab622e6df070696d6790

  • SHA1

    94498f70153cd36ebd8e06ad770059b0ff9ed112

  • SHA256

    294bfcf19ec1038743a3e1323a85813fceb9394aee216abc4947c97de32cc25b

  • SHA512

    c45f77e8166fd2800deb073cfeecd7bc049d1d953e33af983992eb5d8c615bb6b7058b552d695f9f329949a7708402c8bca51a601474f9723d54413fd50035b5

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmW:w5eznsjsguGDFqGx8egoxmO3rRmW

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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\294bfcf19ec1038743a3e1323a85813fceb9394aee216abc4947c97de32cc25bN.exe
    "C:\Users\Admin\AppData\Local\Temp\294bfcf19ec1038743a3e1323a85813fceb9394aee216abc4947c97de32cc25bN.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1616
    • 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:1580
      • 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:5056
        • 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:2040

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

    114KB

    MD5

    7644f6c779673ce72400e5602fa3d0f6

    SHA1

    174b98e8fc0269dbc718f412e3517a5c06aa9891

    SHA256

    0fc00d0b3bc696a93f4a84dcbe1e100c62bbdd8a3018f5f1a5befdefe6d8c64c

    SHA512

    26b90a890af6c254ab87757e18bce418787c253683b7ede87e906d30ca7e8406e661dc0669b1269c7a6a97546a49518de4ba4b66c7c96830fe32b545d3a20bac

  • memory/1580-28-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/1580-22-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/1580-21-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/1616-7-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/1616-20-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/1616-0-0x0000000074992000-0x0000000074993000-memory.dmp

    Filesize

    4KB

  • memory/1616-6-0x0000000074992000-0x0000000074993000-memory.dmp

    Filesize

    4KB

  • memory/1616-19-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/1616-2-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/1616-1-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/5056-27-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-29-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-30-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-31-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB