Overview

overview

10

Static

static

5

abf0b091de...5e.exe

windows7-x64

10

abf0b091de...5e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    180s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 22:53

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General

  • Target

    abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe

  • Size

    1.4MB

  • MD5

    004b74244795c938035ec870563e12a7

  • SHA1

    400ce597011a7e3d42b84ac0219370249b8d8b4c

  • SHA256

    abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e

  • SHA512

    c035467da13398bc5505cab90ec614526a5bf66e6baef4e3dc291420f7b3cd579da9c395969df67e5df46279375dd123052fcf359365dbf92e2e478d0c99923d

  • SSDEEP

    12288:XH7Wcjdc/r2sxxiPGGAOOPSXDV8ClgVYhX5FSsf8Qg3C8okvHouRGwQpGeIw2X09:XbCj2sObHtqQ4Qt8oOIuRApTIHX+

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

zebookis.ddns.net:9033

Mutex

551d96d5-d3e5-420a-8bcb-23ec5fc382df

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-10-16T08:18:48.226675736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9033

  • 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

    551d96d5-d3e5-420a-8bcb-23ec5fc382df

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    zebookis.ddns.net

  • primary_dns_server

  • 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

    1.2.1.1

  • wan_timeout

    8000

Signatures

  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 10 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe
    "C:\Users\Admin\AppData\Local\Temp\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe"
    1⤵
    • Adds policy Run key to start application
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: RenamesItself
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1472
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2988

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2988-132-0x0000000000000000-mapping.dmp
    Download
  • memory/2988-133-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/2988-134-0x0000000073EF0000-0x00000000744A1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2988-135-0x0000000073EF0000-0x00000000744A1000-memory.dmp
    Filesize

    5.7MB

    Download