Analysis

  • max time kernel
    121s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 13:42

General

  • Target

    Order.exe

  • Size

    411KB

  • MD5

    9d886f18c2863aff4baeff1e3026cca9

  • SHA1

    0f78e196ddcaeb77f7543c59f60b4d6c7bbf93d6

  • SHA256

    a24a419930ef537f7bca2a923d52ead23401a4748414bc9b51f59a1eaaeb24b0

  • SHA512

    baf7174d2d5a08e55d5001cf1c29e675ffc06bf6099c9eaeba6bca0ae933234138d0a9798680f5646af81020b13908a82b981cc132d1c77f53e16a07fbba5693

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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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:2740
    • 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:2448

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2448-143-0x00000000062D0000-0x00000000062DD000-memory.dmp
    Filesize

    52KB

  • memory/2448-149-0x0000000006530000-0x0000000006531000-memory.dmp
    Filesize

    4KB

  • memory/2448-135-0x0000000005070000-0x0000000005089000-memory.dmp
    Filesize

    100KB

  • memory/2448-136-0x0000000005AE0000-0x0000000005AE3000-memory.dmp
    Filesize

    12KB

  • memory/2448-148-0x0000000006360000-0x000000000636F000-memory.dmp
    Filesize

    60KB

  • memory/2448-147-0x0000000006320000-0x0000000006349000-memory.dmp
    Filesize

    164KB

  • memory/2448-146-0x0000000006310000-0x000000000631A000-memory.dmp
    Filesize

    40KB

  • memory/2448-124-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/2448-125-0x000000000041E792-mapping.dmp
  • memory/2448-145-0x00000000062F0000-0x00000000062FF000-memory.dmp
    Filesize

    60KB

  • memory/2448-133-0x0000000004CF0000-0x00000000051EE000-memory.dmp
    Filesize

    5.0MB

  • memory/2448-134-0x0000000005060000-0x0000000005065000-memory.dmp
    Filesize

    20KB

  • memory/2448-137-0x0000000005AF0000-0x0000000005AFD000-memory.dmp
    Filesize

    52KB

  • memory/2448-142-0x00000000062C0000-0x00000000062C6000-memory.dmp
    Filesize

    24KB

  • memory/2448-144-0x00000000062E0000-0x00000000062E2000-memory.dmp
    Filesize

    8KB

  • memory/2448-138-0x0000000006250000-0x0000000006265000-memory.dmp
    Filesize

    84KB

  • memory/2448-139-0x0000000006290000-0x0000000006296000-memory.dmp
    Filesize

    24KB

  • memory/2448-140-0x00000000062A0000-0x00000000062AC000-memory.dmp
    Filesize

    48KB

  • memory/2448-141-0x00000000062B0000-0x00000000062B7000-memory.dmp
    Filesize

    28KB

  • memory/2740-118-0x0000000005050000-0x0000000005051000-memory.dmp
    Filesize

    4KB

  • memory/2740-115-0x0000000000700000-0x0000000000701000-memory.dmp
    Filesize

    4KB

  • memory/2740-119-0x0000000004FB0000-0x00000000054AE000-memory.dmp
    Filesize

    5.0MB

  • memory/2740-117-0x00000000054B0000-0x00000000054B1000-memory.dmp
    Filesize

    4KB

  • memory/2740-123-0x0000000005DF0000-0x0000000005E44000-memory.dmp
    Filesize

    336KB

  • memory/2740-122-0x0000000005D50000-0x0000000005D51000-memory.dmp
    Filesize

    4KB

  • memory/2740-121-0x00000000052D0000-0x00000000052D7000-memory.dmp
    Filesize

    28KB

  • memory/2740-120-0x0000000004F90000-0x0000000004F91000-memory.dmp
    Filesize

    4KB