Overview

overview

10

Static

static

13- CIVCO.exe

windows7_x64

10

13- CIVCO.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:11

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General

  • Target

    13- CIVCO.exe

  • Size

    858KB

  • MD5

    a5cf4dcadf3f133879b124d00fbf63e0

  • SHA1

    e6090de532e0bdc2c6f2daa8191ed905b069c5d1

  • SHA256

    8133b96955c936b094a7bfe2351554503c31ffd075767e0d5b735dd90a024dd4

  • SHA512

    9b51847507f0d73bf850afe18ce58bcc4a5c58ed7cc670730810d81f9e6e96c76fda5ee967736a2631f9b704a6bb36616f73d3d97a94a2de5b45e358ae33e3a2

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

helixsohum-59977.portmap.io:59977

Mutex

b503f318-d700-4046-a22f-59d4605e0541

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    helixsohum-59977.portmap.io

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-06-12T04:38:34.687559536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    59977

  • default_group

    Appollo Result

  • 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

    b503f318-d700-4046-a22f-59d4605e0541

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    helixsohum-59977.portmap.io

  • 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 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe
    "C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tQHepANY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5498.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3628
    • C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe
      "C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"
      2⤵
        PID:3160
      • C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe
        "C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"
        2⤵
        • Checks whether UAC is enabled
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2584

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\13- CIVCO.exe.log
      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\tmp5498.tmp
      Filesize

      1KB

      MD5

      2f8e1dc68ff5f36ae61e3d65a49da920

      SHA1

      7299f89569bb015edd1377bb9dff30c4ca64cd06

      SHA256

      02bcdc0c2015d5841cc994b57d6c82b620706521ced9628cc64c85747d786e63

      SHA512

      57832c08333fd5cbc73c295d31a2c4f531a3a83d31d482c3b8b282643f297cf79c1e05c7fe2d68440c0ac97b2e0de45dd55927d682db0fba8d6aea955063796b

      Download Submit

    • memory/1604-130-0x00000000001A0000-0x000000000027C000-memory.dmp

      Filesize

      880KB

      Download

    • memory/1604-131-0x0000000004BC0000-0x0000000004C5C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/1604-132-0x0000000005350000-0x00000000058F4000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/1604-133-0x0000000004DA0000-0x0000000004E32000-memory.dmp

      Filesize

      584KB

      Download

    • memory/1604-134-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/1604-135-0x0000000004F30000-0x0000000004F86000-memory.dmp

      Filesize

      344KB

      Download

    • memory/2584-139-0x0000000000000000-mapping.dmp

      Download

    • memory/2584-140-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

      Download

    • memory/3160-138-0x0000000000000000-mapping.dmp

      Download

    • memory/3628-136-0x0000000000000000-mapping.dmp

      Download