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Analysis

  • max time kernel
    1800s
  • max time network
    1802s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    29/07/2024, 11:25

General

  • Target

    New Client.exe

  • Size

    65KB

  • MD5

    286eec8031073675f717eedd89f0aec2

  • SHA1

    60949f13b977bee5535cf4f730b498c7046294d1

  • SHA256

    742a164e003c21a29bfccdfa1145a8c842acef13534452052599cac7689b1327

  • SHA512

    1f8f7ef10395958012b8410715a7c3f415920f882c790bfe3c778a9b7009be0622015ad30fa3190a321d4c963da6e8cf7f3373c27cf26b40d03fe3a4b843de66

  • SSDEEP

    1536:W9awkWoN36tlQviFw1YARlBnvbKfLteF3nLrB9z3nCaF9beS9vM:W9awkWoN36tlQviFCrnBn+fWl9zSaF9y

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

долбаеб

C2

127.0.0.1:37615

Mutex

Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    |Ghost|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\Client.exe
      "C:\Users\Admin\Client.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\Client.exe

    Filesize

    65KB

    MD5

    286eec8031073675f717eedd89f0aec2

    SHA1

    60949f13b977bee5535cf4f730b498c7046294d1

    SHA256

    742a164e003c21a29bfccdfa1145a8c842acef13534452052599cac7689b1327

    SHA512

    1f8f7ef10395958012b8410715a7c3f415920f882c790bfe3c778a9b7009be0622015ad30fa3190a321d4c963da6e8cf7f3373c27cf26b40d03fe3a4b843de66

  • memory/1436-11-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB

  • memory/1436-15-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2292-0-0x0000000074811000-0x0000000074812000-memory.dmp

    Filesize

    4KB

  • memory/2292-1-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2292-2-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2292-10-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB