Overview

overview

10

Static

static

PO-WJO-001, pdf.exe

windows7_x64

10

PO-WJO-001, pdf.exe

windows10_x64

10

Resubmissions

17-01-2021 18:38

210117-wdb33kfkqx 10

17-01-2021 13:38

210117-axr1jv1qzs 10

Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-01-2021 18:38

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Report Analysis Logs

General

  • Target

    PO-WJO-001, pdf.exe

  • Size

    611KB

  • MD5

    87437820810678730dc07ff0048c1b76

  • SHA1

    c8499e1ca4d93bdea294e9c841f33576f452ffce

  • SHA256

    42ec63d168aa68fc1408ef49e73fc9e0d70beec8add97cc2540a30ece7ca85ef

  • SHA512

    0547aff03fcd36778909a485a567537aea2dfcb73e0bd5f57f11f791774c0147bde40d597e42398400373b9da3033b3142e8e076c669052e62e2f1938d06a94d

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:1048
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RgnQOWXxJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:884
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.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:2536

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\tmpF5C0.tmp
    MD5

    80de417a6f1e3d4f03d1d65fadba462f

    SHA1

    bf77a3045825980e82a14eb98bee632aeaa04945

    SHA256

    04eb118f3c22a7cd7257cc644eeaa7c9b2e277f8e1b26fcdc76e95a186cd1972

    SHA512

    cc9a1d77ae1f8f1f5a58bcb4533276c20b99dca87904b265caa11c512bcaca639e1b8c2e704364fee8dda463fc6b38307b1d24ae12e5c33b7c0ace25686d275a

    Download Submit
  • memory/884-3-0x0000000000000000-mapping.dmp
    Download
  • memory/1048-2-0x0000000002AB0000-0x0000000002AB1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2536-6-0x000000000041E792-mapping.dmp
    Download
  • memory/2536-5-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/2536-7-0x00000000011E0000-0x00000000011E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2536-8-0x00000000011E1000-0x00000000011E2000-memory.dmp
    Filesize

    4KB

    Download