Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2024 01:06

General

  • Target

    df91c62bb04ab30051e60b0e340d37c0N.exe

  • Size

    116KB

  • MD5

    df91c62bb04ab30051e60b0e340d37c0

  • SHA1

    43d8966e9f2d69577bca3eaed1cc2900ad9ca4c8

  • SHA256

    5d5e33d61bf2f068aad09bf57ebd67763c5f210e305246cb16fb1f87c51ffcfa

  • SHA512

    764c3da47dda7f9634778d0b522483d74c3c90930bcac01fda762af1f8ea2a6e652731f290c4d29f47a971a0d33dfe6eab5f5b4f78eb616624f3d47d0bc4a54f

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVZ:P5eznsjsguGDFqGZ2rDLn

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 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\df91c62bb04ab30051e60b0e340d37c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\df91c62bb04ab30051e60b0e340d37c0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2732
    • 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:2452
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2612
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2876
      • 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:2636
        • 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:700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    e7122c733f9e37bba0ca4c985ce11d6d

    SHA1

    d661aa5b31ff7ef2df9bc4095279058c36499af2

    SHA256

    acc9932453f5aa68f4b95986668f5584f99e55bbe02eefc0d0960dab376df81a

    SHA512

    84cddf68a46f455b4ebbb8c0c70607fe60796cfc5eabdace12d0684a1323af9681700acbdbdc37e63d7806d0220fce9cba5213bb35cee056f9d71646f98711b9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0018BB1B5834735BFA60CD063B31956

    Filesize

    1KB

    MD5

    732cfeb76b91c4d13978a00b8c666ed7

    SHA1

    0c57f76436701f4d51397d1d4e86337dd9ab1964

    SHA256

    9fab9fc0a1da813e6ddb93904c1fcfa6546cfbe70747ff8468ddd14d2552dbd2

    SHA512

    2b8618e823355a4fa646d51a753f67d34bd7b14367d46fa187f2294af7c2794c6cdee664ea570862757a5f1c99dfcb67a7d4ddf8389d07dd8d696fe55aa538bd

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

    Filesize

    264B

    MD5

    4b804ff308567988af1d92e676498ee3

    SHA1

    254b06ca0146a33cb723f7e36a51bbfb770a9076

    SHA256

    afcb169eeda6192711c9f38b1b6cf5873ea927257100ac1d47fd1c8a01f3c558

    SHA512

    d895e33b55671df8a6020c3d545cb5153f39057b189370b8f91c4ea558fea8c25940216c18fdc07256da198aa10009326c0854818c7e41157405682b8d08dfe1

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

    Filesize

    342B

    MD5

    3571a8d2e153ab38940dc53cedb8b5c8

    SHA1

    45418d0d21fd9c3044ff63535453344a3509693f

    SHA256

    edd2d1fa51722f9ef3ba2ba33bbd02452acbd9025d1de6d64490e6b46d52345a

    SHA512

    8b2c71508d39621b4849e3eb98fba414a61f1c9c57c9b37b28f0f3c3044c1d402817dc5aa872c2963f81db7be4ca5b81533b12cd03830a8c26035b81db56213a

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

    Filesize

    342B

    MD5

    13d9d4f26f4e21643e3660bd4ec0db6e

    SHA1

    93796e344168b00d2748a6c5b9679db41ddb3c5f

    SHA256

    e0c900fb2c0dee36505ff2aa06bff32d9f6ae4fc4e5993b413b867216fa25fb3

    SHA512

    5f98e8d1c26c6ec7114617919fa3853965c304bec352739520c327f491fe0e75739716ce973f2f30c77645b8ccf09978ca33e43c988ebc248941f3a96602e8cc

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

    Filesize

    342B

    MD5

    aafe8e9ad495b21ce4147000232562d8

    SHA1

    7402f34dc2bc48d69bc7c8b82b03e626644eefca

    SHA256

    872fed26965a7522380e0cc6b0005823b0eda278688e8a233701774e3bfbcc51

    SHA512

    a5d3cb9449a8cbca1dbbf7bae324b2c777887d1cd15bc8bd9f941cde8ca1438fbbef70e0083d003a189505dd8ef5a10978dcb1cea22b3ac56a4b3da9ea2bd6a2

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

    Filesize

    252B

    MD5

    e6403af5f1b00009d209767cc7cd97dd

    SHA1

    48bb6eed79d6ee74c7ace05b97186f45e1716124

    SHA256

    b7173b929f539fce899ea65b9d34b87f20177fe0946dc324ec277041cc541002

    SHA512

    e915ce11db25ea4650ceec848e905ad14d49a63ca337580417e09de01c8eabd12a177410839c21bcde997595939ef0bd2f4285332299601e9bfa9f60f37947ef

  • C:\Users\Admin\AppData\Local\Temp\Cab7E85.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar7EA7.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    116KB

    MD5

    6feead5f49e4bb660dcc3f7570864634

    SHA1

    5719ed502a31344169647a03d71d2a95941b9def

    SHA256

    f34f765f5d04729999f68d7aceb3299077c8e4a831fba955955c6dd8c064923a

    SHA512

    0f2518aa7d0723fb5331f9dc08e1d6424da87deccd842a72c75409a8bd4b0b6fd7254c712976fde67ca0fc408c462055ed6f834c242de0cc9f3c4c9b972bb0cf

  • memory/2636-353-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2636-360-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2636-359-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2732-193-0x0000000074D70000-0x000000007531B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-175-0x0000000074D70000-0x000000007531B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-173-0x0000000074D70000-0x000000007531B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-0-0x0000000074D71000-0x0000000074D72000-memory.dmp

    Filesize

    4KB

  • memory/2732-2-0x0000000074D70000-0x000000007531B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-1-0x0000000074D70000-0x000000007531B000-memory.dmp

    Filesize

    5.7MB