Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    22-08-2024 16:50

General

  • Target

    b9b7ff811fbcd919e52025e0cc43df00N.exe

  • Size

    117KB

  • MD5

    b9b7ff811fbcd919e52025e0cc43df00

  • SHA1

    de140a3f0e2d1ac5e8af631fb483fad115de8b95

  • SHA256

    14198abd49a3dd1b706266823e80c82ce97503b47ce9ba18999a6b665d03ceb8

  • SHA512

    a7cbc8242046a040e7113e193a43873178f816663b60cf6199ea1bd393c05dd954eaea7896314587411c57eed5c76ebd1c99282b328f97c2b161d184d67e00ca

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLCGIm4:P5eznsjsguGDFqGZ2rDLIm4

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\b9b7ff811fbcd919e52025e0cc43df00N.exe
    "C:\Users\Admin\AppData\Local\Temp\b9b7ff811fbcd919e52025e0cc43df00N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2108
    • 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:812
      • 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:2356
        • 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:1508

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

    e7122c733f9e37bba0ca4c985ce11d6d

    SHA1

    d661aa5b31ff7ef2df9bc4095279058c36499af2

    SHA256

    acc9932453f5aa68f4b95986668f5584f99e55bbe02eefc0d0960dab376df81a

    SHA512

    84cddf68a46f455b4ebbb8c0c70607fe60796cfc5eabdace12d0684a1323af9681700acbdbdc37e63d7806d0220fce9cba5213bb35cee056f9d71646f98711b9

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

    Filesize

    264B

    MD5

    a66dbe23fc21e590946d4724b1ff4998

    SHA1

    96390b26c99a1aa33d77e1b434ea8b9072ebd390

    SHA256

    464e60d8db5c81ee4309cff1cf5a069dfa380de5315183ae681eb5b20354e325

    SHA512

    02c5a14e975db2333eeeba54abaa76bb5fee30b494faf52ce793aee94a4f48e0e976a2ea6b57309072727023920275e39bff8af6875a7b4edf51629849b5f079

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

    Filesize

    342B

    MD5

    930591fb1c3e951bab41cf4bbfec5224

    SHA1

    cf45405ccff6b82634e4075e72265a77cfbafd30

    SHA256

    f5d07312d9169b87565ee48b63cef11d068d4583119125a4d48c375ef4b1ffc1

    SHA512

    f6617236521ff07ce46acd3c38e63aad002d9792629f7b399382d6272bda761a2d84a4c5d28d6a4bf827424ecf931a6013485218cf9565e4350f6e29d75ae6fd

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

    Filesize

    342B

    MD5

    40779a1c851fb10bf25e2f666ce4adfe

    SHA1

    fac2e8563de7f6a23c24c4a6d4c91d0daa88fc69

    SHA256

    a0b3e5c8836388e3b6e74abf059d9058b8b117fc2ad97348391b39aca3bab64a

    SHA512

    db99c36c9e5a363b885225f15a1aba31b71b422acba97bc4a96eba590734952e3004bd5edf462f927137a30806b11953cd8c9f4bcfd1153b6729c28eb90072ce

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

    Filesize

    342B

    MD5

    c3e9d97f4d2a3d81cbcbd3df23152340

    SHA1

    34c41be83fe6c4baae85ebfacd387c3f060dea60

    SHA256

    34a17460077e6ae5ce03852cd6ddea73d1766af27a80e487b71843e8fabed247

    SHA512

    ff22d2090ec9877680d4ae4d30bbabd623013186b8ec31639e7f89b5d9db1ca6942807bd2529732ce0c32e86b4ea5abfb093e2137939a24e06eedd4c0e96dddd

  • C:\Users\Admin\AppData\Local\Temp\Cab4462.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar4475.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    117KB

    MD5

    fec908a0dc6a3f75fa5d8d622ad1f788

    SHA1

    1f735836b53467e6b59a5379d8d126f4e298a5f5

    SHA256

    dd26886ed0f0dd6e09605ed5f9d1e7d76a2e95fffe6b48c9579f60be1f3c5e2a

    SHA512

    237788517aca798f3a00f70dabc0b33cbd2de99aaea537f3d377ee641bcd42918c0722877aae32d456e5d194721ad47a168e53bf7a7a76bc669d196cb6aa56f4

  • memory/2108-180-0x0000000074070000-0x000000007461B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-170-0x0000000074070000-0x000000007461B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-0-0x0000000074071000-0x0000000074072000-memory.dmp

    Filesize

    4KB

  • memory/2108-8-0x0000000074070000-0x000000007461B000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-346-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2356-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2356-348-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB