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Overview

overview

10

Static

static

5

3f906ebc2b...0c.exe

windows7-x64

10

3f906ebc2b...0c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 00:25

Sharing

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General

  • Target

    3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c.exe

  • Size

    1.0MB

  • MD5

    569eb0ebdd2ee145f4935f2e7d734d1f

  • SHA1

    d7677bc1afd73f2e0e6eda5a85473da0910cf0a7

  • SHA256

    3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c

  • SHA512

    66c93de3c5d43b3007ddb06b258afe5048212c99158d35c3de531c09ba5d0c9d5a173d87961b95fc9f566e872f31c5356b4a29ef8e9270a1a100621e3fce0339

  • SSDEEP

    24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/p:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wp

Score
10/10
nanocoredefense_evasiondiscoverykeyloggerspywarestealertrojanupx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

testwork.kozow.com:8906

Mutex

bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    testwork.kozow.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-16T16:47:25.218235636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8906

  • default_group

    star

  • 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

    bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    testwork.kozow.com

  • 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
  • Nanocore family
    nanocore
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • AutoIT Executable 15 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c.exe
    "C:\Users\Admin\AppData\Local\Temp\3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1284-28-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-31-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-34-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-33-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-32-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-14-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-23-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-17-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-18-0x0000000003690000-0x0000000003691000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1284-30-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-29-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-0-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-6-0x0000000003690000-0x0000000003691000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1284-24-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-22-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-25-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-26-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1284-27-0x0000000000390000-0x0000000000541000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/3172-21-0x0000000073B80000-0x0000000074131000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3172-20-0x0000000073B80000-0x0000000074131000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3172-19-0x0000000073B82000-0x0000000073B83000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3172-15-0x0000000073B80000-0x0000000074131000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3172-13-0x0000000073B80000-0x0000000074131000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3172-12-0x0000000073B82000-0x0000000073B83000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3172-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download