Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 13:14

General

  • Target

    9bb86c8073900283af53b3f55d5fedf3_JaffaCakes118.exe

  • Size

    26KB

  • MD5

    9bb86c8073900283af53b3f55d5fedf3

  • SHA1

    73596fcaafdc6c178816c918d35a5b0167011435

  • SHA256

    391ba9bd95b1804e47db8c8c115f1268173824ebd1111c190ea1ee4f26dfd67b

  • SHA512

    1d972b1180dee6b566641ca662ecb27a2ff96294833d32b2d97d40fb3435d65e0c781207dab088f50deb10a41eba6da8020358a807aa4d151e22a04d42fc5a38

  • SSDEEP

    384:qLJCnWzGgqhZArwvaGGuPh5BrM0AQk93vmhm7UMKmIEecKdbXTzm9bVhcalS6prZ:04vMAi0A/vMHTi9bDl

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

Super

C2

favioserver.ddns.net:8081

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 5 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 31 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bb86c8073900283af53b3f55d5fedf3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9bb86c8073900283af53b3f55d5fedf3_JaffaCakes118.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:1224
    • C:\Users\Admin\AppData\Local\Temp\chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
        3⤵
        • Drops startup file
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2608
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2820
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\chrome.exe

    Filesize

    26KB

    MD5

    9bb86c8073900283af53b3f55d5fedf3

    SHA1

    73596fcaafdc6c178816c918d35a5b0167011435

    SHA256

    391ba9bd95b1804e47db8c8c115f1268173824ebd1111c190ea1ee4f26dfd67b

    SHA512

    1d972b1180dee6b566641ca662ecb27a2ff96294833d32b2d97d40fb3435d65e0c781207dab088f50deb10a41eba6da8020358a807aa4d151e22a04d42fc5a38

  • memory/1224-0-0x000000007424E000-0x000000007424F000-memory.dmp

    Filesize

    4KB

  • memory/1224-1-0x0000000000300000-0x000000000030C000-memory.dmp

    Filesize

    48KB

  • memory/1224-4-0x000000007424E000-0x000000007424F000-memory.dmp

    Filesize

    4KB

  • memory/2144-15-0x0000000001340000-0x000000000134C000-memory.dmp

    Filesize

    48KB

  • memory/2144-20-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2144-21-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2144-24-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2144-25-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB