Overview

overview

10

Static

static

3

PO,,, Quot...df.scr

windows7-x64

10

PO,,, Quot...df.scr

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 08:42

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General

  • Target

    PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr

  • Size

    681KB

  • MD5

    9df5e54a0aca7bcce788eb771bf399fd

  • SHA1

    4c24287a0c41dbbec350bcd84d29a8f7be124451

  • SHA256

    1e84802e4da3346e3e59e6da6054df5e2dd12b5a8b4df058cef5a43108cf07df

  • SHA512

    052b31032a9b08e57c75aa8e3bdccb64c8c4352bf7c5ed0b8b14f0a3708ef16d2d27c185584bf7efc57839c3f3d4f2c6dd316a98d7f8ec976384ebb3bb41bc90

  • SSDEEP

    12288:qc3yHyluF1BPZtZBarirFMwiJhL5xXQzYgo8XnLkZqrXhvVl:zyHygFTxIirXizjXQzYaLkZoXx

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newlogs.ddns.net:1512

Mutex

89f6d40a-087e-4dba-b4eb-5715f3228f56

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-27T08:27:03.637722436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    1512

  • default_group

    MONEY MINDED

  • 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

    89f6d40a-087e-4dba-b4eb-5715f3228f56

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    newlogs.ddns.net

  • 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
  • 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).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sivatVvbFbzxFj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9878.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2472
    • C:\Users\Admin\AppData\Local\Temp\PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr
      "{path}"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1656

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9878.tmp
    Filesize

    1KB

    MD5

    1d3db4cc966060969b4740034808396a

    SHA1

    37a195d071fac2ed7ad29722532e32589391c150

    SHA256

    c41e504d75dfcca6843edc89ceb73782d313ff69a72cb3f437a57846b011eece

    SHA512

    da291d98cf17316cecfffc356480239982d2fae9c1021ca395d4a29d111ff4b5ae5847dad59046e04b711cddf80a522595a6f2dac27d5b2cbbde51fb03b7095e

    Download Submit
  • memory/1656-16-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1656-12-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1656-11-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1656-13-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1656-24-0x0000000000640000-0x000000000065E000-memory.dmp
    Filesize

    120KB

    Download
  • memory/1656-23-0x0000000000630000-0x000000000063A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1656-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1656-10-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1656-18-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1656-25-0x0000000000660000-0x000000000066A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1656-20-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/2924-3-0x0000000000330000-0x0000000000338000-memory.dmp
    Filesize

    32KB

    Download
  • memory/2924-1-0x00000000013C0000-0x0000000001470000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2924-2-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2924-0-0x000000007423E000-0x000000007423F000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2924-21-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2924-6-0x0000000005210000-0x00000000052A0000-memory.dmp
    Filesize

    576KB

    Download
  • memory/2924-5-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2924-4-0x000000007423E000-0x000000007423F000-memory.dmp
    Filesize

    4KB

    Download