Overview

overview

10

Static

static

RFQ - samp...10.exe

windows7_x64

10

RFQ - samp...10.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    202s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:17

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General

  • Target

    RFQ - sample & specification_#R2100131410.exe

  • Size

    510KB

  • MD5

    ad0044dc21c79a4ff11f069ddc41dce7

  • SHA1

    c09ddf327210cfcdd1a3d5d39fd36dfdf79d9b56

  • SHA256

    80f6bea4ffb5f80f64b9b23b96e6ba3e3d7d5eaf1bc8bf3ea1966a6d4469c648

  • SHA512

    cc94a200fba1c8aa36cff686e40138e7753fe1b9331f0085362e48a93bb807fccc1d00fe3ab7a3143abafa8b53d8645f903d2baa8da9a2c6992b09f47c41018c

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

billion1920.duckdns.org:56372

91.192.100.25:56372
Mutex

aa99d9f5-5722-4e07-9fc2-f779c77bfa3a

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    91.192.100.25

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-05-08T16:56:13.298869536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    56372

  • default_group

    7/27 1billion

  • 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

    aa99d9f5-5722-4e07-9fc2-f779c77bfa3a

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    billion1920.duckdns.org

  • 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 9 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\RFQ - sample & specification_#R2100131410.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ - sample & specification_#R2100131410.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4793.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1420
    • C:\Users\Admin\AppData\Local\Temp\RFQ - sample & specification_#R2100131410.exe
      "{path}"
      2⤵
        PID:2792
      • C:\Users\Admin\AppData\Local\Temp\RFQ - sample & specification_#R2100131410.exe
        "{path}"
        2⤵
        • Checks whether UAC is enabled
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1536

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    3
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RFQ - sample & specification_#R2100131410.exe.log
      Filesize

      496B

      MD5

      cb76b18ebed3a9f05a14aed43d35fba6

      SHA1

      836a4b4e351846fca08b84149cb734cb59b8c0d6

      SHA256

      8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

      SHA512

      7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp4793.tmp
      Filesize

      1KB

      MD5

      072541fbcc0f05e7e00afb8876087822

      SHA1

      0a1a6ad25a4a546520fe21bed23b4dd56f5ea7f5

      SHA256

      8a98b2e2084e096028123a79228bc1b11f12179aecfbe53759b3e0805f973116

      SHA512

      07074f512ee920a787af3d49d982795121051cc5cd1ce01d115aab63cd800fd58f2f57e73dafb96151e57ada9d2e407e370abc9c56d8ab604d118dad93c1412d

      Download Submit
    • memory/1420-131-0x0000000000000000-mapping.dmp
      Download
    • memory/1536-134-0x0000000000000000-mapping.dmp
      Download
    • memory/1536-135-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1536-137-0x0000000074CA0000-0x0000000075251000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2792-133-0x0000000000000000-mapping.dmp
      Download
    • memory/4596-130-0x0000000074CA0000-0x0000000075251000-memory.dmp
      Filesize

      5.7MB

      Download