Overview

overview

10

Static

static

TECHNICAL OFFERS.exe

windows7_x64

10

TECHNICAL OFFERS.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-01-2021 13:52

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General

  • Target

    TECHNICAL OFFERS.exe

  • Size

    288KB

  • MD5

    7d5e8d9809ed642c031226dc385f98f3

  • SHA1

    eb5b7f5617e9cac86931c9a6fecff5dce2d975dd

  • SHA256

    44b244b665832f11995d435e978ca9cd406c7bc8816e68c23c4a22a51990b0fb

  • SHA512

    66e35ba5914b03fbe549f61aec7143daca89655faa60c58556b4038b8db1d03452a3e92cb30519a587ae2964de8c2399e992394e326ab7a401d3fffde8baef2d

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mystupidfriend.duckdns.org:6578

Mutex

32885bce-b113-4152-91c6-9c705cad8fa3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    mystupidfriend.duckdns.org

  • backup_dns_server

    mystupidfriend.duckdns.org

  • buffer_size

    65535

  • build_time

    2020-10-27T08:44:15.324888036Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6578

  • default_group

    Default

  • 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

    32885bce-b113-4152-91c6-9c705cad8fa3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    mystupidfriend.duckdns.org

  • primary_dns_server

    mystupidfriend.duckdns.org

  • request_elevation

    false

  • 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
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
    "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:2716
      • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
        "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
        2⤵
          PID:3120
        • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
          "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
          2⤵
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3176
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            3⤵
              PID:3028
            • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
              "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
              3⤵
                PID:3688
              • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
                "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
                3⤵
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of WriteProcessMemory
                PID:1996
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c cls
                  4⤵
                    PID:2816
                  • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
                    "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
                    4⤵
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Drops file in Program Files directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: GetForegroundWindowSpam
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:2824
                    • C:\Windows\SysWOW64\schtasks.exe
                      "schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp710F.tmp"
                      5⤵
                      • Creates scheduled task(s)
                      PID:1936
                    • C:\Windows\SysWOW64\schtasks.exe
                      "schtasks.exe" /create /f /tn "SMTP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp721A.tmp"
                      5⤵
                      • Creates scheduled task(s)
                      PID:3292

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Initial Access

            Execution

            Scheduled Task

            1
            T1053

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Scheduled Task

            1
            T1053

            Privilege Escalation

            Scheduled Task

            1
            T1053

            Defense Evasion

            Modify Registry

            1
            T1112

            Credential Access

            Discovery

            System Information Discovery

            1
            T1082

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp710F.tmp
              MD5

              f2eee8cfc479e25d22bbd29ed53c009a

              SHA1

              1fa54cca5b14d3c35c977456a1b706e34069e3aa

              SHA256

              3e1fa2229e7740810a39a25e9087adfb4506250606ffecf5a60a04871569b32f

              SHA512

              b655eb4dcae4f1699f6e8a2a3c0c3779a7b9a8286d75764bea4231473421206870d8a1c3e4704af138ebf272fae81dd89444136046c7bbae966c17225f6c2f87

              Download Submit
            • C:\Users\Admin\AppData\Local\Temp\tmp721A.tmp
              MD5

              b3b017f9df206021717a11f11d895402

              SHA1

              e4ea12823af6550ee634536eec1eb14490580a3b

              SHA256

              654dfce2c28024364e679e1b958f3fb81fc6d29685d534d905d1c83a84351024

              SHA512

              95666cb81aa1fd1ade04a32f63381ce8bff274d7d300c0b59cbb10a294c4d1eebaa3000365a2000b38793de030044995cf23e623c5e3648d9b00501f97ff9343

              Download Submit
            • memory/1936-18-0x0000000000000000-mapping.dmp
              Download
            • memory/1996-5-0x0000000000000000-mapping.dmp
              Download
            • memory/1996-9-0x000000001BDF0000-0x000000001BE38000-memory.dmp
              Filesize

              288KB

              Download
            • memory/2716-2-0x0000000000000000-mapping.dmp
              Download
            • memory/2816-6-0x0000000000000000-mapping.dmp
              Download
            • memory/2824-7-0x0000000000400000-0x0000000000448000-memory.dmp
              Filesize

              288KB

              Download
            • memory/2824-8-0x000000000040188B-mapping.dmp
              Download
            • memory/2824-12-0x0000000002D10000-0x0000000002D43000-memory.dmp
              Filesize

              204KB

              Download
            • memory/2824-14-0x00000000058D0000-0x00000000058D1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/2824-15-0x00000000052E0000-0x00000000052E1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/2824-16-0x0000000005470000-0x0000000005471000-memory.dmp
              Filesize

              4KB

              Download
            • memory/2824-17-0x00000000052B0000-0x00000000052B1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/2824-11-0x0000000073060000-0x000000007374E000-memory.dmp
              Filesize

              6.9MB

              Download
            • memory/2824-24-0x0000000005840000-0x0000000005843000-memory.dmp
              Filesize

              12KB

              Download
            • memory/2824-23-0x0000000005650000-0x0000000005669000-memory.dmp
              Filesize

              100KB

              Download
            • memory/2824-22-0x0000000005460000-0x0000000005465000-memory.dmp
              Filesize

              20KB

              Download
            • memory/3028-4-0x0000000000000000-mapping.dmp
              Download
            • memory/3176-3-0x0000000000000000-mapping.dmp
              Download
            • memory/3292-20-0x0000000000000000-mapping.dmp
              Download