Analysis

  • max time kernel
    153s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    03-11-2021 21:52

General

  • Target

    Order.exe

  • Size

    502KB

  • MD5

    a0a1e071e11e2e6e08fdab2b881a6c97

  • SHA1

    7b4624241b200c510b32bfc19e358c0857f1e737

  • SHA256

    5bf04dc0a6c58392ab02344da78d8cf471f522f94a845974f33dac13a1e51af2

  • SHA512

    fb0398f80e8b28a8ce006bfc19f2c7f2afc72608915f2acef8647c71f40df0b3c47c0ca56bec28e41b66accc5b32b55fd613c859db69c84cad3fca5fe8301895

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kamuchehddhgfgf.ddns.net:1187

37.0.10.22:1187

Mutex

9ff0e8a4-a323-4111-bc49-0daecb63120d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    37.0.10.22

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-17T00:05:39.048278936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1187

  • 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

    9ff0e8a4-a323-4111-bc49-0daecb63120d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    kamuchehddhgfgf.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:472
    • C:\Users\Admin\AppData\Local\Temp\Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Order.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:560

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/472-54-0x0000000074C71000-0x0000000074C73000-memory.dmp
    Filesize

    8KB

  • memory/472-55-0x0000000000210000-0x0000000000211000-memory.dmp
    Filesize

    4KB

  • memory/560-56-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/560-57-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/560-58-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/560-59-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/560-60-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/560-61-0x000000000041E792-mapping.dmp
  • memory/560-63-0x0000000000730000-0x0000000000731000-memory.dmp
    Filesize

    4KB