General

  • Target

    ItroublveTSC.exe

  • Size

    514KB

  • Sample

    240831-atcvhsvdrh

  • MD5

    d8264e0921403244b0c29079bb732368

  • SHA1

    d61b7c088ac4e118a6ac41fc4491961daa607773

  • SHA256

    66359689b1ca80fbab24796d04cc3a91e3eb804de56635adc9d46a925758ffe6

  • SHA512

    da4b6a9bee26db9bd788b19953f997620b06be3fa15f38da846c66cabc2f0cade80efc79e3e3b855a6435968a93984d26107836665db14a19eb9b44704899fed

  • SSDEEP

    6144:WahO6sQA+WdlH4piJAiCC+c3e6iiixLifXiiiJ0Ny4SildqqQG2ixiiijEMiViiC:Wi4J+WbEGDfaAPiu15IQuUeeSMzg

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/899842638260338719/2a5S9S1gHhBIZB1ISPfnaBVgbTdkzaMWdmP_oGgFx14jtlvloXQRGQaYOY1Djoem1pL8

Extracted

Family

nanocore

Version

1.2.2.0

C2

176.168.5.0:2605

Mutex

d01924fe-4e8d-4b6f-850c-443e5741751a

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    176.168.5.0

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-31T04:06:57.831335236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2605

  • 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

    d01924fe-4e8d-4b6f-850c-443e5741751a

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    176.168.5.0

  • 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

Targets

    • Target

      ItroublveTSC.exe

    • Size

      514KB

    • MD5

      d8264e0921403244b0c29079bb732368

    • SHA1

      d61b7c088ac4e118a6ac41fc4491961daa607773

    • SHA256

      66359689b1ca80fbab24796d04cc3a91e3eb804de56635adc9d46a925758ffe6

    • SHA512

      da4b6a9bee26db9bd788b19953f997620b06be3fa15f38da846c66cabc2f0cade80efc79e3e3b855a6435968a93984d26107836665db14a19eb9b44704899fed

    • SSDEEP

      6144:WahO6sQA+WdlH4piJAiCC+c3e6iiixLifXiiiJ0Ny4SildqqQG2ixiiijEMiViiC:Wi4J+WbEGDfaAPiu15IQuUeeSMzg

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    • NanoCore

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks