Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 07:31

General

  • Target

    e15e07b9ae5b1f8ae71666a9e9e47020N.exe

  • Size

    118KB

  • MD5

    e15e07b9ae5b1f8ae71666a9e9e47020

  • SHA1

    7bf204ac17f8c434939f6226b58ab6afe48294f0

  • SHA256

    385226bae9fc32f868fe7dc43562fb30a6cb8470c7b478bc16819da4176052ac

  • SHA512

    14be9185d6106d983a61dc90287746b6d65982838a8221cde80d990adb5063a33b9f7c9a081d7d869fd8ecbd82ee129afebfacef6cb78543085d2e3fbc1b6272

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ/6ud:P5eznsjsguGDFqGZ2rDLZ/Z

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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e15e07b9ae5b1f8ae71666a9e9e47020N.exe
    "C:\Users\Admin\AppData\Local\Temp\e15e07b9ae5b1f8ae71666a9e9e47020N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2648
    • 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:2536
      • 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:2684
        • 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:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    976dfede9306ef5ac105d0b1c534dfae

    SHA1

    88b8c0d0654cccba59c27f7e33971f7fdf67d87d

    SHA256

    3c6eed2c83a7c98869b76b433d71e63292d1df552c8213cf7ccc77cace6d53e9

    SHA512

    f644314fea4b32361be1465abd5660cc3c9f89beaf3a1b9e915a9d2647372d1c7229404633d42065a7dd4208981d9ce960a06a9232ee4a1ee1f0386fb6bbfe1d

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

    Filesize

    342B

    MD5

    e956f5b781cbc167b565e4fa15fddeaf

    SHA1

    fceaf594a0c8d1d69aef431e4fed6ca70278bfe2

    SHA256

    9df705fce0d7e149758ed7c764e5a53762272a093d35c6275abb1019d1cb8b09

    SHA512

    873df0770a326b43bc45db0e73c9644a2cc5df19dec8ddbdcb132b2b3822f01cc4dbb91a46f000814acef8acf079131843363f737112805c95d4b2a32e1d0241

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

    Filesize

    342B

    MD5

    c621a6325ec7b580b9b9fc808e045c16

    SHA1

    dab08a8b26dac25bf8e2ce27f63b0c8e8ddc714b

    SHA256

    a4d5c329baa186e81b6607c31c2b9e6b928042c9e01ef18b52b848e27f2ce3e8

    SHA512

    c38f6d772f8705d1b855ea9cef72513146ced99714f0b722558d7ab3e2f60be92c9afc2daa5d559a60ca9eaa277536494c870185d9e43da22a0cf81cba076fc6

  • C:\Users\Admin\AppData\Local\Temp\CabEF9E.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarEFE0.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    118KB

    MD5

    581b2bb16928fb00dc11a0d3d30a9b99

    SHA1

    e7cb34607daf8dfbb9e09fb45ac260a383e9dc23

    SHA256

    cea9cc6512247346e8365cadc05665f3ceb54b7862b2e77dc6395fa9cbe2774d

    SHA512

    81c99fa27a40a9dcc1334bdc9d5ed07c07fc1ba9f6bf98707f29753a31cf3fea9eedc7e7907423fbd3a94e187c929d6f76aeb33323c529f8e3532d91897ba407

  • memory/2648-167-0x0000000074D20000-0x00000000752CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2648-177-0x0000000074D20000-0x00000000752CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2648-0-0x0000000074D21000-0x0000000074D22000-memory.dmp

    Filesize

    4KB

  • memory/2648-15-0x0000000074D20000-0x00000000752CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2684-341-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2684-344-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2684-343-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB