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Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2023, 16:44

General

  • Target

    0x000600000001ace7-182.exe

  • Size

    26KB

  • MD5

    921d7c2187427974a52b164873636bc3

  • SHA1

    e8e3d80fa107c613a537bfabd6d6cd997d259928

  • SHA256

    cc902803f8374f3f386b3537b86202b2f3c5557e9df541128a7b333c1db75f46

  • SHA512

    ce1e6411f47f2961b150488b4c3f4dcfc9cf4e98a7a2e46a9855dd9e2ee33ba7e0e2644bde187635efb2d15d17bfb2da7e162cffa9fc7445da990d76f11f09a9

  • SSDEEP

    384:TLo5FonO4Y1JVpMrI0CxPzdxRMkAQk93vmhm7UMKmIEecKdbXTzm9bVhca06Mr6s:3uZ/utkA/vMHTi9bD

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

carolina-electro.at.ply.gg:23401

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000600000001ace7-182.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000600000001ace7-182.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
      2⤵
      • Drops startup file
      • Views/modifies file attributes
      PID:4696
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
      2⤵
      • Views/modifies file attributes
      PID:3544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    26KB

    MD5

    921d7c2187427974a52b164873636bc3

    SHA1

    e8e3d80fa107c613a537bfabd6d6cd997d259928

    SHA256

    cc902803f8374f3f386b3537b86202b2f3c5557e9df541128a7b333c1db75f46

    SHA512

    ce1e6411f47f2961b150488b4c3f4dcfc9cf4e98a7a2e46a9855dd9e2ee33ba7e0e2644bde187635efb2d15d17bfb2da7e162cffa9fc7445da990d76f11f09a9

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

    Filesize

    26KB

    MD5

    921d7c2187427974a52b164873636bc3

    SHA1

    e8e3d80fa107c613a537bfabd6d6cd997d259928

    SHA256

    cc902803f8374f3f386b3537b86202b2f3c5557e9df541128a7b333c1db75f46

    SHA512

    ce1e6411f47f2961b150488b4c3f4dcfc9cf4e98a7a2e46a9855dd9e2ee33ba7e0e2644bde187635efb2d15d17bfb2da7e162cffa9fc7445da990d76f11f09a9

  • memory/4884-132-0x0000000000940000-0x000000000094C000-memory.dmp

    Filesize

    48KB

  • memory/4884-133-0x00000000052E0000-0x000000000537C000-memory.dmp

    Filesize

    624KB

  • memory/4884-134-0x00000000061B0000-0x0000000006754000-memory.dmp

    Filesize

    5.6MB

  • memory/4884-139-0x0000000005CA0000-0x0000000005D32000-memory.dmp

    Filesize

    584KB

  • memory/4884-140-0x0000000005BE0000-0x0000000005BEA000-memory.dmp

    Filesize

    40KB

  • memory/4884-141-0x0000000005E30000-0x0000000005E96000-memory.dmp

    Filesize

    408KB