Overview

overview

10

Static

static

PO-WJO-001, pdf.exe

windows7_x64

10

PO-WJO-001, pdf.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-01-2021 07:10

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General

  • Target

    PO-WJO-001, pdf.exe

  • Size

    991KB

  • MD5

    2fd90b8363aeeb5cc86b8d30bb07fb94

  • SHA1

    eed92d6fb8d6fdbe2f77d36554efe2ee92f12543

  • SHA256

    438c02be74a4976a426c2b0e5da2d37f04772782e59739ce2acc79e9dc780ca1

  • SHA512

    2da272144fdbdcdf69a834d09910db4670629fc5275d6f5f0ce473ea88b5a948b4763fe0aaa50b3ad1d3d4651e0a185d452a2753d46a45da01644deadca5f0d1

Score
10/10
nanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

graceland777.ddns.net:7771

Mutex

796872ff-c930-4eaf-9163-b73e79f476e7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-08-03T07:35:46.802724836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    7771

  • default_group

    BLESS ME ALI

  • 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

    796872ff-c930-4eaf-9163-b73e79f476e7

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    graceland777.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-WJO-001, pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-WJO-001, pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RvjYSzjgKmKvPq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2632
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2C0.tmp
    MD5

    a477ffde6ccb5b60758e5290ae1311a4

    SHA1

    d99dadc7bf2f588d42ae1f058fd23fb2a4ae47b5

    SHA256

    e85eaea5c3a306c14bcf7c5d91888854e954b61016068f2eee108dea207375fe

    SHA512

    00eaad7eab7dcbbfb6cb2df696182996074fd68f92d130d2d4b8c773de3ca3b4cb44a4dbf1e19645056c3b26af1ddb467e22569f1f2090d1ee465b6d75231489

    Download Submit
  • memory/1212-2-0x00000000023A0000-0x00000000023A1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1344-5-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1344-6-0x000000000041E792-mapping.dmp
    Download
  • memory/1344-7-0x0000000002F10000-0x0000000002F11000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1344-8-0x0000000002F11000-0x0000000002F12000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2632-3-0x0000000000000000-mapping.dmp
    Download