Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:25

General

  • Target

    3cb47c4bbe6856c45fd89eb5eb2723c1.exe

  • Size

    114KB

  • MD5

    3cb47c4bbe6856c45fd89eb5eb2723c1

  • SHA1

    61ec438d8c8e4c382353587bb7eaf2aff7581f1f

  • SHA256

    b023de4ecd98db961a3aa5c6aa9f6d79560c5dd72aaa2ea61e907dfac2503bb2

  • SHA512

    53b273a1d5355b40664b5d9a5af40bec0315352d511a45d57d8a10693c5f7e7be8972d614eb4e9504bbf4fa455f51c149d891f0a5c29c1a82955d0b678f4a479

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDI1:P5eznsjsguGDFqGZ2rDI1

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 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3cb47c4bbe6856c45fd89eb5eb2723c1.exe
    "C:\Users\Admin\AppData\Local\Temp\3cb47c4bbe6856c45fd89eb5eb2723c1.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3008
    • 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:2628
      • 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:4840
        • 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:5340

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

    115KB

    MD5

    7b2975537df31a609bcac4847ce08b92

    SHA1

    1fa835055777d9ba40b27348bc3d28392a0e63f5

    SHA256

    b06f867ed1ad4c16ba9b63a3988a70abd8470a2931bcab178eefaa065bddd369

    SHA512

    9e53c4009317d3c4a3b11dd3c02a283982e26e6242d8fe771da6e08f331abd70312f880adf9b88db7c09986b33e7e6b0db40821ba9f38da1f6dc354c2f4bba34

  • memory/2628-20-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/2628-28-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/2628-22-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/2628-21-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-19-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-6-0x00000000755A2000-0x00000000755A3000-memory.dmp

    Filesize

    4KB

  • memory/3008-0-0x00000000755A2000-0x00000000755A3000-memory.dmp

    Filesize

    4KB

  • memory/3008-7-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-2-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-1-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/4840-30-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/4840-29-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/4840-27-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/4840-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4840-31-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB

  • memory/4840-32-0x00000000755A0000-0x0000000075B51000-memory.dmp

    Filesize

    5.7MB