Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2024 13:13

General

  • Target

    5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

  • Size

    119KB

  • MD5

    b3d02d9163f80063ca0cdabc9787d750

  • SHA1

    f98ad95d0bf597b9d049c2b1acec2a683aa12136

  • SHA256

    5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5ac

  • SHA512

    1dce4e3da371d605466fbf0c76d2ca54dd74e6f88455821f0ead41b508cb3ef85530b279072b28b058cb4c78051d7ac0071d18b272c342c4d0f69248209f676b

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FgOP:P5eznsjsguGDFqGZ2rDL14Fge

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
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 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 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
    "C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2236
    • 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:1964
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:1044
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2392
      • 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:580
        • 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:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

    Filesize

    1KB

    MD5

    f0cf5b1794eca7cd73f9c020daab8ef2

    SHA1

    cd040b212f8cd90e629e7acefd14972b68e575ea

    SHA256

    2af00edce7ef3266897e52dc81e8de3b7a079028c0f1f96eaff9e38ad342f617

    SHA512

    55c9f22bc101c986b2e83f31e20415031fbf1fbfedd33907487de75069c43c5cfe3ba243025de6b66405925ba506f66d19d9da69af187f499143bc2da71341de

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

    Filesize

    264B

    MD5

    8a33d61fcb9569a1267d28fafc6a9597

    SHA1

    19143978d2af727f4d2e1a3464cebb482f257afc

    SHA256

    deaad3e710b78e4781e4c203b45a686d929d92a2740adb660ce53cf306c7d817

    SHA512

    72c64fd00a600b906a6a59fd15ef33d3cc15c05219fbc42eb81bf1bff7ffd2591cad46634f9b5196c968e21ea2b4d3b3beda39189f7917f2cace63a2b415bb9c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1b9cab5104785331f1e066b21b8769a7

    SHA1

    164ff01b4010b45b5ae0d6bf221962d9d8ee250d

    SHA256

    6e853eb20692e11f66fca4516179c67e055d7eaac78aa20f109f8a4e6d1fc4ae

    SHA512

    307766e10e59bab5cc57f964f6c537697caa6069111bf0ab5e3e5be05f9f1051bb4805f820ae79f5a5575b0a7cd5716c5ff5bb2a294a205b7c03509b948cd706

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    713e08b18147f5aa3d7de8d64192e79f

    SHA1

    ecf765c3cddefe2d1be008d338f1e68fbd5fa1b9

    SHA256

    321817659bef8423b4aac18e1450b8d3dd877b78a199532918f0f9b5d8ac78c0

    SHA512

    5b6e74e36ee77ed0dee6621a78e15acb080b221f468d1500affa9a9c5f84267a8626c4a84d0a53e5790d8f82f08f0f4df1f03c38c7d867e239df5ca307fce022

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    21e8e8703a8c7a96403eb6b5045b3650

    SHA1

    7c173f433d08914b0dca93a487d05c5870f7186a

    SHA256

    8d138abc11b200dcbd8b2011127037406db96f0b1b9ab1744472c236319f29ba

    SHA512

    0a9a52093d53b2a68a9ea2de564f2eaf33ffc9185bfb653c72eb20c8f3ddbf38fede6e487506dab9e60a3f4f2f35129aae6b139067cbe566871f616a503e6623

  • C:\Users\Admin\AppData\Local\Temp\CabBA9A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBAAD.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    119KB

    MD5

    8fcdb92503829c3994545a6a5b6c31a7

    SHA1

    a82331bd40c5d0a5b0a365c8d50aae13303daed8

    SHA256

    8f743967f18f20063b3cca2d0a81a494eb660616fabce9d808bd4ff888c7e7c2

    SHA512

    a0d44c2740449a6d8a7ee92190b8c7f43fd4a69eeabc9f923b3bda71039d298050db3121e09b7a61f2f7c53229bd29e8fde1a5bf3c40a83565931f235fe111c4

  • memory/580-342-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/580-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/580-348-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2236-191-0x0000000073E00000-0x00000000743AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2236-165-0x0000000073E00000-0x00000000743AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2236-0-0x0000000073E01000-0x0000000073E02000-memory.dmp

    Filesize

    4KB

  • memory/2236-1-0x0000000073E00000-0x00000000743AB000-memory.dmp

    Filesize

    5.7MB