Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 21:20

General

  • Target

    0x0009000000016af7-8.exe

  • Size

    27KB

  • MD5

    d010a1a6e4e73e19b88c1f280c417a43

  • SHA1

    99ac6501fee007d1ea4409ce9a1535d7298acc90

  • SHA256

    2ca5d6bd734ac603e9c5064611ee6f0fab62005a85ffdb9e1c180aa4e0a18353

  • SHA512

    b21fa039145b9b4e37686fe420d012b8d7c61913f5db237f56e4bc4ee14f90cb21aeb33f2f2f359ee6d4626230e278c6de860b1b79e48861f027a6c7c571d645

  • SSDEEP

    384:cLBBi/W/7mgEp87wYK2GePqZhbMzAQk93vmhm7UMKmIEecKdbXTzm9bVhcac6urZ:6W/sqoHTzA/vMHTi9bD

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

94.46.207.10:1177

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 33 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x0009000000016af7-8.exe
    "C:\Users\Admin\AppData\Local\Temp\0x0009000000016af7-8.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\Payload.exe
      "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

    Filesize

    1KB

    MD5

    c7bacc12f165ab5dbbd5a2ae9f2dfca3

    SHA1

    b5017a1d4edee7765391990b42e58043e84b5914

    SHA256

    824baa52042f45bb6bf540719d4635dda57d85989086686e4cf765970847b90e

    SHA512

    acc855362f306368ccbca867f73525e4f2f6cec6c8114e9a706766fdfbe58edcb7b3821b174ab0f22a820e79ecc6ea6a93e1508617745e17015807c2610a4cb7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

    Filesize

    1018B

    MD5

    5ee8b0aaba1bbc7650be293e7ba97e38

    SHA1

    fecdfe9bc6eb3dd1648d11d954fcd7222a2c8e05

    SHA256

    3931dc1e16b459204b7301391b08fb84190b1bbe5721bb8b2d3a24fa2b37d474

    SHA512

    a3c9ba8c5bebd4a9cddc2b43429a2d5824870e17288939d9bfa333ab35601f78da80405c34bde9a215f88ec5ca01ca4c6ee0d4af69bee4b0c130a1ac8be311ac

  • \Users\Admin\AppData\Local\Temp\Payload.exe

    Filesize

    27KB

    MD5

    d010a1a6e4e73e19b88c1f280c417a43

    SHA1

    99ac6501fee007d1ea4409ce9a1535d7298acc90

    SHA256

    2ca5d6bd734ac603e9c5064611ee6f0fab62005a85ffdb9e1c180aa4e0a18353

    SHA512

    b21fa039145b9b4e37686fe420d012b8d7c61913f5db237f56e4bc4ee14f90cb21aeb33f2f2f359ee6d4626230e278c6de860b1b79e48861f027a6c7c571d645

  • memory/1860-0-0x000000007477E000-0x000000007477F000-memory.dmp

    Filesize

    4KB

  • memory/1860-1-0x00000000001B0000-0x00000000001BE000-memory.dmp

    Filesize

    56KB

  • memory/1860-11-0x000000007477E000-0x000000007477F000-memory.dmp

    Filesize

    4KB

  • memory/2408-12-0x00000000001D0000-0x00000000001DE000-memory.dmp

    Filesize

    56KB

  • memory/2408-17-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-19-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-20-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB