Overview

overview

10

Static

static

818fc1658a...a9.exe

windows7-x64

10

818fc1658a...a9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    169s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 15:29

Sharing

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General

  • Target

    818fc1658a608482db2bd22ae7a6a289b3ae3490b57a0e39a569246404c2bba9.exe

  • Size

    400KB

  • MD5

    dcdb6624cdc588eafa04861ddd182ae7

  • SHA1

    80529b05338f67a1c4c6a9a85b6a86f7e2a62b89

  • SHA256

    818fc1658a608482db2bd22ae7a6a289b3ae3490b57a0e39a569246404c2bba9

  • SHA512

    267eaddb3d2161adc4a668a3a90497161bf851d43fda1df53da11b97250e3da3c9dc462bae48318909a91875178f7a859f7cf6f95c23c4a2db98ec06a8f904bd

  • SSDEEP

    6144:N9G4Jst/oBiZA8ISE0WqzvgOKFX33IcqUeqf+HHv68X1:7G4JstA0qxSE0WqkFH4cqUe

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

edsales348.hopto.org:9036

colinco.twilightparadox.com:9036
Mutex

4330836b-5867-4b4f-ac5a-e1e073db08b9

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    colinco.twilightparadox.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-04-05T13:38:52.913133136Z

  • 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

    9036

  • default_group

    June Ending

  • 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

    4330836b-5867-4b4f-ac5a-e1e073db08b9

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    edsales348.hopto.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • 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
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\818fc1658a608482db2bd22ae7a6a289b3ae3490b57a0e39a569246404c2bba9.exe
    "C:\Users\Admin\AppData\Local\Temp\818fc1658a608482db2bd22ae7a6a289b3ae3490b57a0e39a569246404c2bba9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Users\Admin\AppData\Local\Temp\818fc1658a608482db2bd22ae7a6a289b3ae3490b57a0e39a569246404c2bba9.exe
      "C:\Users\Admin\AppData\Local\Temp\818fc1658a608482db2bd22ae7a6a289b3ae3490b57a0e39a569246404c2bba9.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp779C.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2812
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp779C.tmp
          Filesize

          1KB

          MD5

          6c3d127196ff19639325c33b9037e29c

          SHA1

          94934aedf4d451406776e6f149a4fa223562822d

          SHA256

          a54cbd4e3e53beba2acc2866682453a1da0cab0e707f7c118ede28656270869b

          SHA512

          3bd016ac110f3903f37b2a91576236ab46ce9d1ffe32d917c37182f3c7a79736ae974fa7008ba4d5eea553a4ec29cda38c72c56bb725c79e37cc5962498d119b

          Download Submit

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
          Filesize

          7KB

          MD5

          43cdf99a6cd5a50d97a16b9c387553bf

          SHA1

          09b3013028b180b680d8f187c406bb75100eb8a0

          SHA256

          5bfca8c364adcd768691f6e3bde0878990ab23600044cf82927618814093c8a8

          SHA512

          220215385a92ed875f6e1ef303a0016cf6b65b1beab5b432fee9db1c20fc2febfd21355338f05fe0a997c45e847d25b52a549b8fac6bd9c2d87d673eac1ff7f8

          Download Submit

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
          Filesize

          7KB

          MD5

          43cdf99a6cd5a50d97a16b9c387553bf

          SHA1

          09b3013028b180b680d8f187c406bb75100eb8a0

          SHA256

          5bfca8c364adcd768691f6e3bde0878990ab23600044cf82927618814093c8a8

          SHA512

          220215385a92ed875f6e1ef303a0016cf6b65b1beab5b432fee9db1c20fc2febfd21355338f05fe0a997c45e847d25b52a549b8fac6bd9c2d87d673eac1ff7f8

          Download Submit

        • memory/2632-142-0x00000000752B0000-0x0000000075861000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2632-144-0x00000000752B0000-0x0000000075861000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4460-135-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

          Download

        • memory/4460-136-0x00000000752B0000-0x0000000075861000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4460-143-0x00000000752B0000-0x0000000075861000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4528-133-0x00000000752B0000-0x0000000075861000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4528-132-0x00000000752B0000-0x0000000075861000-memory.dmp

          Filesize

          5.7MB

          Download