Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 14:55

General

  • Target

    b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe

  • Size

    288KB

  • MD5

    ca156366c023c64cb0a2074a57b8fa26

  • SHA1

    21736f34aae1c70916e9e6ca090e0f0f4b592b6b

  • SHA256

    b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9

  • SHA512

    1588694779bafa6c59c010bf8593db765a6b54a16f4bf21f3a1f33f615d7db6cd7a9ee475f5b6f5eba4dfa096a4f74d3df0fa936f1d4bac9b02d342d2e670764

  • SSDEEP

    6144:M3FuurCMxjsXbTwPSqIZYTq6cL/4t9+mkQ7JQ:LMzPp5Tq/077J

Malware Config

Extracted

Family

njrat

Version

Hallaj PRO Rat [Fixed]

Botnet

HacKed

C2

njjar.ddns.net:5552

Mutex

27790dccae06fc74ef2a558bc80087d9

Attributes
  • reg_key

    27790dccae06fc74ef2a558bc80087d9

  • splitter

    boolLove

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe
    "C:\Users\Admin\AppData\Local\Temp\b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Users\Admin\AppData\Local\Temp\skyeee.exe
      "C:\Users\Admin\AppData\Local\Temp\skyeee.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\skyeee.exe

    Filesize

    288KB

    MD5

    ca156366c023c64cb0a2074a57b8fa26

    SHA1

    21736f34aae1c70916e9e6ca090e0f0f4b592b6b

    SHA256

    b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9

    SHA512

    1588694779bafa6c59c010bf8593db765a6b54a16f4bf21f3a1f33f615d7db6cd7a9ee475f5b6f5eba4dfa096a4f74d3df0fa936f1d4bac9b02d342d2e670764

  • memory/760-6-0x0000000005250000-0x00000000052A6000-memory.dmp

    Filesize

    344KB

  • memory/760-26-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/760-9-0x00000000053C0000-0x00000000053EA000-memory.dmp

    Filesize

    168KB

  • memory/760-4-0x0000000005060000-0x00000000050F2000-memory.dmp

    Filesize

    584KB

  • memory/760-0-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/760-5-0x0000000004F60000-0x0000000004F6A000-memory.dmp

    Filesize

    40KB

  • memory/760-7-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/760-8-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/760-3-0x0000000005610000-0x0000000005BB4000-memory.dmp

    Filesize

    5.6MB

  • memory/760-2-0x0000000004FC0000-0x000000000505C000-memory.dmp

    Filesize

    624KB

  • memory/760-1-0x0000000000530000-0x0000000000580000-memory.dmp

    Filesize

    320KB

  • memory/760-22-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/760-24-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3384-30-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3384-25-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3384-27-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3384-28-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3384-29-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3384-23-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB