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Overview

overview

10

Static

static

3

HLCUJK1200...NS.exe

windows7-x64

10

HLCUJK1200...NS.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    135s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26/08/2024, 05:05

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General

  • Target

    HLCUJK1200426084 INV 2097430962.DNS.exe

  • Size

    342KB

  • MD5

    9c269b95c724a6974b4800643308fdf3

  • SHA1

    5a08a0314f5848caa51dc2e8cf6108f6382af001

  • SHA256

    97553c2488962a2876a76f8c0cf8fc80b061c13663e0591879d2436086d6f24e

  • SHA512

    1a263342be9881421c214982bd04d468499087e4171d98a745559d5768394d435dcc9ebbe99bebe0b977318c627633dd9dd370dff405f9d999aad53dfab374ca

  • SSDEEP

    6144:hJxl4lK4sCsZNOmcp0DT8UYvJr3/IttmkbelYfV0Udme8w+a0kfoizrB5ULRu5F0:hJxT4tMOm974/QMIzKUdmra0kfoiz4LH

Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

adikaremix.linkpc.net:1790

185.140.53.13:1790
Mutex

9493864b-27d9-4410-9dcc-9a0c4732a1d5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.140.53.13

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-21T11:14:38.887176036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1790

  • default_group

    June@@

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    9493864b-27d9-4410-9dcc-9a0c4732a1d5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    adikaremix.linkpc.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 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 3 IoCs

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

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

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.DNS.exe
    "C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.DNS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WwJuvkkGnytJv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3EA6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2808
    • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.DNS.exe
      "{path}"
      2⤵
        PID:3056
      • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.DNS.exe
        "{path}"
        2⤵
          PID:2764
        • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.DNS.exe
          "{path}"
          2⤵
            PID:2740
          • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.DNS.exe
            "{path}"
            2⤵
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2736

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp3EA6.tmp
          Filesize

          1KB

          MD5

          62342dd1a23fefa0c573376570d4f102

          SHA1

          aaab039141af3e5e8a1cc080378357c3c9b99cb1

          SHA256

          155a73ebf1a6d0868c1f054e58a2993ed2d895297c6b1c9b56ead130d008e6d6

          SHA512

          866a2daa6517c9bcb2cd08ef1342e66629e468ffb567b80a23b58674263ca682064f3a787cd12779e2ed1ebdf370553002ea78b8ce4d04134a807380233b55c6

          Download Submit

        • memory/2384-24-0x00000000740C0000-0x000000007466B000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2384-2-0x00000000740C0000-0x000000007466B000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2384-3-0x00000000740C0000-0x000000007466B000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2384-1-0x00000000740C0000-0x000000007466B000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2384-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2736-19-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/2736-23-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/2736-25-0x00000000740C0000-0x000000007466B000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2736-21-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/2736-9-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/2736-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2736-15-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/2736-13-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/2736-11-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/2736-26-0x00000000740C0000-0x000000007466B000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2736-29-0x00000000740C0000-0x000000007466B000-memory.dmp

          Filesize

          5.7MB

          Download