Analysis

  • max time kernel
    66s
  • max time network
    160s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    20-10-2021 11:11

General

  • Target

    Quote.exe

  • Size

    508KB

  • MD5

    3cd21e83292533b753f23f7fce176934

  • SHA1

    e900ab0e1bd24622b6c9c06b082b7ab52881cf5d

  • SHA256

    901b780f4d56341c870fcc19adce0476d8309318d7e1b35a12e7625dc4fdaf0a

  • SHA512

    e663ff77d90bb2ecfb1e0fcab49c3dca9ebdd051acb982462cabfa11a1fbd8f1d14d4ccfc6df89343a1d4507d300fe88b77cf614d698eca0753b71bb95bc419f

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.

  • suricata: ET MALWARE Possible NanoCore C2 60B

    suricata: ET MALWARE Possible NanoCore C2 60B

  • 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\Quote.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\Quote.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote.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:1456

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\Quote.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/1456-143-0x00000000063D0000-0x00000000063DD000-memory.dmp
    Filesize

    52KB

  • memory/1456-149-0x0000000006630000-0x0000000006631000-memory.dmp
    Filesize

    4KB

  • memory/1456-135-0x0000000005BE0000-0x0000000005BE3000-memory.dmp
    Filesize

    12KB

  • memory/1456-136-0x0000000004DE0000-0x0000000004E72000-memory.dmp
    Filesize

    584KB

  • memory/1456-148-0x0000000006460000-0x000000000646F000-memory.dmp
    Filesize

    60KB

  • memory/1456-147-0x0000000006420000-0x0000000006449000-memory.dmp
    Filesize

    164KB

  • memory/1456-146-0x0000000006410000-0x000000000641A000-memory.dmp
    Filesize

    40KB

  • memory/1456-125-0x000000000041E792-mapping.dmp
  • memory/1456-124-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1456-145-0x00000000063F0000-0x00000000063FF000-memory.dmp
    Filesize

    60KB

  • memory/1456-133-0x0000000004E90000-0x0000000004E95000-memory.dmp
    Filesize

    20KB

  • memory/1456-134-0x0000000005380000-0x0000000005399000-memory.dmp
    Filesize

    100KB

  • memory/1456-137-0x0000000005BF0000-0x0000000005BFD000-memory.dmp
    Filesize

    52KB

  • memory/1456-142-0x00000000063C0000-0x00000000063C6000-memory.dmp
    Filesize

    24KB

  • memory/1456-144-0x00000000063E0000-0x00000000063E2000-memory.dmp
    Filesize

    8KB

  • memory/1456-138-0x0000000006350000-0x0000000006365000-memory.dmp
    Filesize

    84KB

  • memory/1456-139-0x0000000006390000-0x0000000006396000-memory.dmp
    Filesize

    24KB

  • memory/1456-140-0x00000000063A0000-0x00000000063AC000-memory.dmp
    Filesize

    48KB

  • memory/1456-141-0x00000000063B0000-0x00000000063B7000-memory.dmp
    Filesize

    28KB

  • memory/1688-118-0x00000000070E0000-0x00000000070E1000-memory.dmp
    Filesize

    4KB

  • memory/1688-115-0x0000000000340000-0x0000000000341000-memory.dmp
    Filesize

    4KB

  • memory/1688-119-0x0000000007040000-0x000000000753E000-memory.dmp
    Filesize

    5.0MB

  • memory/1688-117-0x0000000007540000-0x0000000007541000-memory.dmp
    Filesize

    4KB

  • memory/1688-123-0x0000000008D80000-0x0000000008DD4000-memory.dmp
    Filesize

    336KB

  • memory/1688-122-0x0000000008BE0000-0x0000000008BE1000-memory.dmp
    Filesize

    4KB

  • memory/1688-121-0x000000000A7D0000-0x000000000A7D8000-memory.dmp
    Filesize

    32KB

  • memory/1688-120-0x00000000070D0000-0x00000000070D1000-memory.dmp
    Filesize

    4KB