Overview

overview

10

Static

static

5

4cfef91ce4...c2.exe

windows7-x64

10

4cfef91ce4...c2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 21:41

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General

  • Target

    4cfef91ce41dbffd4822fed070997552994beb7a020529635f96b349a00d6ac2.exe

  • Size

    1.4MB

  • MD5

    a4e035dbc5397108d58757794d9af056

  • SHA1

    1937d9c9d40d7ee6b2b3cbf1b262e7ac4dd1f182

  • SHA256

    4cfef91ce41dbffd4822fed070997552994beb7a020529635f96b349a00d6ac2

  • SHA512

    ff5b77c1df2e32da741366ed91e1f30dbd4d34622e5cf4a81177a5e00952fd9116ac083ce5ee17a5a364b7a4c0a494952d410d7f680645848e1f169fb810f20c

  • SSDEEP

    24576:5tb20pkaCqT5TBWgNQ7aMReTgoN4ymWDF4SfmycIvf+CaV6AJ:KVg5tQ7aweTg8bDFzfmycAf+r5J

Score
10/10
nanocorediscoverykeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

refund2me.mywire.org:1608

papilo.2waky.com:1608
Mutex

f4d12157-3501-471d-9cc3-84ceb32d59c6

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    papilo.2waky.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-21T19:54:07.288722436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1608

  • default_group

    Refund

  • 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

    f4d12157-3501-471d-9cc3-84ceb32d59c6

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    refund2me.mywire.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
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 31 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\4cfef91ce41dbffd4822fed070997552994beb7a020529635f96b349a00d6ac2.exe
    "C:\Users\Admin\AppData\Local\Temp\4cfef91ce41dbffd4822fed070997552994beb7a020529635f96b349a00d6ac2.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:468
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/468-3-0x00000000045B0000-0x0000000004616000-memory.dmp

    Filesize

    408KB

    Download

  • memory/468-4-0x00000000044D0000-0x0000000004536000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4372-5-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/4372-10-0x0000000073A22000-0x0000000073A23000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4372-11-0x0000000073A20000-0x0000000073FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4372-12-0x0000000073A20000-0x0000000073FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4372-14-0x0000000073A20000-0x0000000073FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4372-15-0x0000000073A22000-0x0000000073A23000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4372-16-0x0000000073A20000-0x0000000073FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4372-17-0x0000000073A20000-0x0000000073FD1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4372-18-0x0000000073A20000-0x0000000073FD1000-memory.dmp

    Filesize

    5.7MB

    Download