Overview

overview

10

Static

static

Doc_1133_06082020.exe

windows7_x64

10

Doc_1133_06082020.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:41

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General

  • Target

    Doc_1133_06082020.exe

  • Size

    829KB

  • MD5

    fd41269f5759377f4bf983f2c3cbcb15

  • SHA1

    5427acfc2d76b0cadfa33d64de65d0b3db9a7209

  • SHA256

    98fd41a11788741d3e9f41d27b24f1d22d8f1bd81f52cc1619a6442f7355afae

  • SHA512

    926b09f99924a2b198fdbc1d84c3d045fb30ecf84dc1dca87052728f605ea3f0e91c56be99c0c1aad52121683e1ed1fd69620f2060a45a71d175c375581093b1

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

darlingtondc.hopto.org:1905

185.165.153.17:1905
Mutex

9ca847a1-73ff-4b6f-bbac-e86d31071270

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.165.153.17

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-19T00:49:06.806996136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1905

  • 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

    9ca847a1-73ff-4b6f-bbac-e86d31071270

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    darlingtondc.hopto.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 whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Doc_1133_06082020.exe
    "C:\Users\Admin\AppData\Local\Temp\Doc_1133_06082020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\Doc_1133_06082020.exe
      "C:\Users\Admin\AppData\Local\Temp\Doc_1133_06082020.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:852
    • C:\Users\Admin\AppData\Local\Temp\Doc_1133_06082020.exe
      "C:\Users\Admin\AppData\Local\Temp\Doc_1133_06082020.exe" 2 852 7079356
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/756-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/756-58-0x0000000000400000-0x00000000004D5000-memory.dmp

    Filesize

    852KB

    Download

  • memory/852-55-0x000000000047D4B0-mapping.dmp

    Download

  • memory/852-57-0x0000000000340000-0x0000000000378000-memory.dmp

    Filesize

    224KB

    Download

  • memory/852-60-0x0000000000340000-0x0000000000378000-memory.dmp

    Filesize

    224KB

    Download

  • memory/852-63-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/900-56-0x0000000000000000-mapping.dmp

    Download

  • memory/900-62-0x0000000000400000-0x00000000004D5000-memory.dmp

    Filesize

    852KB

    Download