Overview

overview

10

Static

static

INV 255277...79.exe

windows7_x64

10

INV 255277...79.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    157s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:31

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General

  • Target

    INV 25527777 REVIEW 779.exe

  • Size

    533KB

  • MD5

    d19fe1e1749edf58558c1e2a5e857853

  • SHA1

    70da6330ffde9c61b12a8299a4c2a5099126c59e

  • SHA256

    9ca497f6231180ec374837cf77e099a25e8c5cffa16c6599739c92ee03a94d34

  • SHA512

    0d5d2bc03a186f0421d401e6fdc74a1e546ba5164233da80e431772bba541438249cea0d14539a8f357c0d093f748c822fb1f2216dd34d4d4e7d366c1b1c744b

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

looipoko.loseyourip.com:5088

titiaty.duckdns.org:5088
Mutex

62d96b8a-7e31-4a94-94dd-9033707313e4

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    titiaty.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-05-14T21:42:17.597528436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5088

  • default_group

    ssales

  • 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

    62d96b8a-7e31-4a94-94dd-9033707313e4

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    looipoko.loseyourip.com

  • 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 computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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\INV 25527777 REVIEW 779.exe
    "C:\Users\Admin\AppData\Local\Temp\INV 25527777 REVIEW 779.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDA0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2388
    • C:\Users\Admin\AppData\Local\Temp\INV 25527777 REVIEW 779.exe
      "C:\Users\Admin\AppData\Local\Temp\INV 25527777 REVIEW 779.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4696

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INV 25527777 REVIEW 779.exe.log
    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmpCDA0.tmp
    Filesize

    1KB

    MD5

    d49b1a0b5a08ed1df869f23aedb3c8ca

    SHA1

    f22cc9413d67d36b88bec3a3788c0eef02b64577

    SHA256

    4adeb4eedb7bcda76f1b6f910fbb87d34f776e6fce58521c2398243585d6dfe6

    SHA512

    0f5626ba83c2173a43fc6e552030258ef8f87ce92bd340ab1b94ec873dbd7040b3d478af057d9294abf8e3368c330abf4c02c70f5809c51112cfc5798d508255

    Download Submit

  • memory/864-130-0x0000000000520000-0x00000000005AC000-memory.dmp

    Filesize

    560KB

    Download

  • memory/864-131-0x0000000004E10000-0x0000000004EAC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/864-132-0x0000000005460000-0x0000000005A04000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/864-133-0x0000000004F50000-0x0000000004FE2000-memory.dmp

    Filesize

    584KB

    Download

  • memory/864-134-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

    Filesize

    40KB

    Download

  • memory/864-135-0x00000000050E0000-0x0000000005136000-memory.dmp

    Filesize

    344KB

    Download

  • memory/2388-136-0x0000000000000000-mapping.dmp

    Download

  • memory/4696-138-0x0000000000000000-mapping.dmp

    Download

  • memory/4696-139-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download