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Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 02:27

General

  • Target

    Proxy Checker v0.2/Proxy Checker v0.2 Crack.exe

  • Size

    1.1MB

  • MD5

    c23fa9a76be0e91ae95ab347e68a8a17

  • SHA1

    3e8fee7b1729113fa86d53e7eb7135b32d50da96

  • SHA256

    b0356479bb707ba0be06277723150e0401960783d21ab1a97fe76d6723546022

  • SHA512

    6634aac9cb6abbe348fe5befeb1218ed0937713570190a2a1ea05da1b959a17f722eeff5d27d3464ba3f3cf19986d1364cb73b71de76997d99df82ebdb3512eb

  • SSDEEP

    12288:lMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9eZLtL0ERDyKj:lnsJ39LyjbJkQFMhmC+6GD9ItwERDF

Malware Config

Extracted

Family

njrat

Version

0.7 MultiHost

Botnet

HacKed

C2

fgtgd33333.ddns.net:1177

Mutex

8746d62c81bb0c573a0a1086f9955c7b

Attributes
  • reg_key

    8746d62c81bb0c573a0a1086f9955c7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 3 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proxy Checker v0.2\Proxy Checker v0.2 Crack.exe
    "C:\Users\Admin\AppData\Local\Temp\Proxy Checker v0.2\Proxy Checker v0.2 Crack.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Local\Temp\Proxy Checker v0.2\._cache_Proxy Checker v0.2 Crack.exe
      "C:\Users\Admin\AppData\Local\Temp\Proxy Checker v0.2\._cache_Proxy Checker v0.2 Crack.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3076
      • C:\Users\Public\svchost.exe
        "C:\Users\Public\svchost.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn Skype /tr "C:\Users\Public\svchost.exe
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4444
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\Proxy Checker v0.2\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\Proxy Checker v0.2\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:1260
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3540
  • C:\Users\Public\svchost.exe
    C:\Users\Public\svchost.exe
    1⤵
    • Executes dropped EXE
    PID:2772
  • C:\Users\Public\svchost.exe
    C:\Users\Public\svchost.exe
    1⤵
    • Executes dropped EXE
    PID:1512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    c23fa9a76be0e91ae95ab347e68a8a17

    SHA1

    3e8fee7b1729113fa86d53e7eb7135b32d50da96

    SHA256

    b0356479bb707ba0be06277723150e0401960783d21ab1a97fe76d6723546022

    SHA512

    6634aac9cb6abbe348fe5befeb1218ed0937713570190a2a1ea05da1b959a17f722eeff5d27d3464ba3f3cf19986d1364cb73b71de76997d99df82ebdb3512eb

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\svchost.exe.log

    Filesize

    499B

    MD5

    19359b866f8cbea2b65bc57d42d8b1fd

    SHA1

    d9b303cda0a782d857a867f0b5bee4479fbf3653

    SHA256

    529d693b41627b0af65ca3d9264092ed55db8fa585b44d547d98820c3d16db66

    SHA512

    492de148153b38cc6f18c29b0c92fc3aa4321f84a2bab85fc11b18f766fdebfdbb3cf7f9a7a14b60e869dc0f13a43ea505d161bb86d7268487e43aed801d2ab3

  • C:\Users\Admin\AppData\Local\Temp\Proxy Checker v0.2\._cache_Proxy Checker v0.2 Crack.exe

    Filesize

    346KB

    MD5

    2c35cb3cc2e236e6d12a5e80c5ca8a08

    SHA1

    fc213a4dd34fa096432850fc4ca899794f36f9d0

    SHA256

    e7268ad15e40087bcae6d5c42f1c39d6e32456ff33c38b5a7ff876317b456c7b

    SHA512

    ff4869b16402f0eb84dd8bec2fbaca170b55184c8e2ad10126e1b3b0a4e63fde27d63b89c6dd9679cbf94733a0e6ef52ecf36165430ed86fea95609c213c6455

  • C:\Users\Admin\AppData\Local\Temp\g9d2Egmo.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1204-264-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/1204-244-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/1204-134-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/1204-220-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/1204-215-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/1204-216-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/2908-242-0x00000000031F0000-0x00000000031F8000-memory.dmp

    Filesize

    32KB

  • memory/2908-241-0x000000001EFA0000-0x000000001F03C000-memory.dmp

    Filesize

    624KB

  • memory/3076-221-0x000000001B990000-0x000000001B99C000-memory.dmp

    Filesize

    48KB

  • memory/3076-133-0x00007FFCC7A30000-0x00007FFCC83D1000-memory.dmp

    Filesize

    9.6MB

  • memory/3076-119-0x00007FFCC7CE5000-0x00007FFCC7CE6000-memory.dmp

    Filesize

    4KB

  • memory/3076-132-0x000000001BA70000-0x000000001BB16000-memory.dmp

    Filesize

    664KB

  • memory/3076-135-0x00007FFCC7CE5000-0x00007FFCC7CE6000-memory.dmp

    Filesize

    4KB

  • memory/3076-214-0x00007FFCC7A30000-0x00007FFCC83D1000-memory.dmp

    Filesize

    9.6MB

  • memory/3076-236-0x00007FFCC7A30000-0x00007FFCC83D1000-memory.dmp

    Filesize

    9.6MB

  • memory/3076-222-0x000000001CB70000-0x000000001D03E000-memory.dmp

    Filesize

    4.8MB

  • memory/3540-194-0x00007FFCA5A70000-0x00007FFCA5A80000-memory.dmp

    Filesize

    64KB

  • memory/3540-196-0x00007FFCA5A70000-0x00007FFCA5A80000-memory.dmp

    Filesize

    64KB

  • memory/3540-195-0x00007FFCA5A70000-0x00007FFCA5A80000-memory.dmp

    Filesize

    64KB

  • memory/3540-197-0x00007FFCA5A70000-0x00007FFCA5A80000-memory.dmp

    Filesize

    64KB

  • memory/3540-198-0x00007FFCA5A70000-0x00007FFCA5A80000-memory.dmp

    Filesize

    64KB

  • memory/3540-200-0x00007FFCA3970000-0x00007FFCA3980000-memory.dmp

    Filesize

    64KB

  • memory/3540-199-0x00007FFCA3970000-0x00007FFCA3980000-memory.dmp

    Filesize

    64KB

  • memory/4344-0-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

  • memory/4344-129-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB