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Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22/11/2024, 00:48

General

  • Target

    709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe

  • Size

    903KB

  • MD5

    bd5494546a6eeb7543f728c32b23eca6

  • SHA1

    a7269d4e1357a79aac11f8b670122b943cf2c137

  • SHA256

    709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512

  • SHA512

    f3b691414f913c83011ae165287bba1211195489724dd69448a8f53d70f30510a34a377278ad1d373dcba317bd8516afd97911a8d3f09f3f669da4cad5ba0f05

  • SSDEEP

    3072:HEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEAZ:HRRRRRRRRRRRRRRRRRRRRJ

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

com-elephant.gl.at.ply.gg:63355

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe
    "C:\Users\Admin\AppData\Local\Temp\709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
      "C:\Users\Admin\AppData\Local\Temp\Dllhost.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
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2688
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A16B3144-8A93-409B-ACE3-2F50E1998D6C} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      C:\Users\Admin\AppData\Local\Temp/Server.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2104
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      C:\Users\Admin\AppData\Local\Temp/Server.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    903KB

    MD5

    bd5494546a6eeb7543f728c32b23eca6

    SHA1

    a7269d4e1357a79aac11f8b670122b943cf2c137

    SHA256

    709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512

    SHA512

    f3b691414f913c83011ae165287bba1211195489724dd69448a8f53d70f30510a34a377278ad1d373dcba317bd8516afd97911a8d3f09f3f669da4cad5ba0f05

  • memory/2104-20-0x0000000001060000-0x0000000001072000-memory.dmp

    Filesize

    72KB

  • memory/2312-0-0x000000007419E000-0x000000007419F000-memory.dmp

    Filesize

    4KB

  • memory/2312-1-0x0000000000090000-0x00000000000A2000-memory.dmp

    Filesize

    72KB

  • memory/2312-2-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2312-11-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-12-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-10-0x00000000011E0000-0x00000000011F2000-memory.dmp

    Filesize

    72KB

  • memory/2788-13-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-16-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-17-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB