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Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    20/06/2024, 01:15

General

  • Target

    a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe

  • Size

    115KB

  • MD5

    efcd19db208e7ccbbea917ed18cae43a

  • SHA1

    1ac3f2f6b17dccd029006d007da7401dd4b2a18f

  • SHA256

    a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358

  • SHA512

    19c09886cf52aa39ae6d0c3b3d887471bd3ff53b54203759067ad6d5c5f59ebac6bc74680b7d34ac62ed5bdfdaa1e3f2c3ce790c8f47f53bc1c2b92c563602fc

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat6wF:P5eznsjsguGDFqGZ2riE

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.

  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe
    "C:\Users\Admin\AppData\Local\Temp\a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1176
        • 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
          PID:888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    344B

    MD5

    a48ee4050559a0b972a9eac8e13cdf77

    SHA1

    5b181a65da02c1c11347d16e789689a80d2ede45

    SHA256

    8005b31a9ee6596a36b0dc3fda4eda56c32491db93e2f864aa8c47f47c71b8c5

    SHA512

    859c29a8c2521645a79049c960d06e870c1127a28b3fc4773808d17ba7e7648eb8fb36771f4efb47dce99b4823eea238c393fd9cd15bfd3e9d5ad5ea37c968ce

  • C:\Users\Admin\AppData\Local\Temp\Cab100A.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar101C.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

    Filesize

    115KB

    MD5

    9235b9e3cdec2f70031fd862cf8823e3

    SHA1

    44668fadb3c1f17d3db981d55c1f0cbd803d9cee

    SHA256

    b3d8d80835476becabd09d464846bba42c8b070a60d07c19309b27e3a0afb344

    SHA512

    5bceb0955196ea4663b691ef6b5e7e1f69a6a6ec9a0b0a7239cf8ead1e2595707118afe8a8c16afe5e692fbb7078ff634414a47c458b13e0e5cb36adb8a99203

  • memory/1176-190-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1176-193-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1176-192-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1644-0-0x0000000074A91000-0x0000000074A92000-memory.dmp

    Filesize

    4KB

  • memory/1644-1-0x0000000074A90000-0x000000007503B000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-2-0x0000000074A90000-0x000000007503B000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-118-0x0000000074A90000-0x000000007503B000-memory.dmp

    Filesize

    5.7MB