Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    01-08-2020 19:37

General

  • Target

    SecuriteInfo.com.Trojan.PackedNET.362.7860.17521.exe

  • Size

    596KB

  • MD5

    be46a654b9b6fef849466ea92d54cc1b

  • SHA1

    380d5b896297a83dc3c3ad6a86c6f9eeaa72fdd7

  • SHA256

    3dc9838107abe50dfcd90972d2e1a5a8e2aa6e735723fa635927bd4ddb790e81

  • SHA512

    859d060f711eebb52f874d15d02c14c3efdc5d914204614e6e7eb17ad7a3f6dc9fe8f56529c6fc0e131ac6cc885f97cf70adc60febadf7b95c3d1bd815c8bf8d

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.12:1996

mogs20.hopto.org:1996

Mutex

610a4fc8-16e9-4c97-b0a7-ec2ef0b6bea6

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    mogs20.hopto.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-07T08:06:17.001984136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1996

  • default_group

    RESULTS

  • 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

    610a4fc8-16e9-4c97-b0a7-ec2ef0b6bea6

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    79.134.225.12

  • 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

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 87 IoCs
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • NanoCore

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.362.7860.17521.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.362.7860.17521.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Drops startup file
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    PID:1420
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1508

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1508-0-0x0000000000400000-0x0000000000480000-memory.dmp
    Filesize

    512KB

  • memory/1508-1-0x000000000041E792-mapping.dmp
  • memory/1508-2-0x0000000000400000-0x0000000000480000-memory.dmp
    Filesize

    512KB

  • memory/1508-3-0x0000000000400000-0x0000000000480000-memory.dmp
    Filesize

    512KB