Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08-02-2022 15:09

General

  • Target

    Proof Of Payment.exe

  • Size

    31KB

  • MD5

    e4867aa8d8af98a56209ae365d7123fe

  • SHA1

    761b6915becb35c7cfbceb87f73d50d2141a74df

  • SHA256

    46004d7c878b16d72941932e2c6e52c08cff4ca4ccc3c76af90d04076f9bb17e

  • SHA512

    554931a0c274ecd10d802c61cd14214b389a451bce36f929a47a026488469b37fff5c544c3be6cecb5f3c054541bc309f6caf475aa552f3672d7b2bcd31f52ef

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sannation.duckdns.org:2180

Mutex

cfa4f44c-4985-4bc4-a38f-42549042f5c7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    sannation.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-11-17T07:36:45.083287236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2180

  • 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

    cfa4f44c-4985-4bc4-a38f-42549042f5c7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    sannation.duckdns.org

  • 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 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Proof Of Payment.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:1784

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1296-53-0x0000000000C40000-0x0000000000C4E000-memory.dmp
    Filesize

    56KB

  • memory/1296-54-0x0000000074AFE000-0x0000000074AFF000-memory.dmp
    Filesize

    4KB

  • memory/1296-55-0x0000000075D51000-0x0000000075D53000-memory.dmp
    Filesize

    8KB

  • memory/1296-56-0x00000000009C0000-0x00000000009C1000-memory.dmp
    Filesize

    4KB

  • memory/1296-57-0x0000000000960000-0x00000000009C2000-memory.dmp
    Filesize

    392KB

  • memory/1296-58-0x0000000004C70000-0x0000000004CC2000-memory.dmp
    Filesize

    328KB

  • memory/1296-59-0x0000000004F30000-0x0000000004F7C000-memory.dmp
    Filesize

    304KB

  • memory/1784-60-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1784-61-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1784-62-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1784-63-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1784-64-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1784-65-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1784-66-0x0000000074AFE000-0x0000000074AFF000-memory.dmp
    Filesize

    4KB

  • memory/1784-67-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
    Filesize

    4KB

  • memory/1784-68-0x0000000000660000-0x000000000066A000-memory.dmp
    Filesize

    40KB

  • memory/1784-69-0x0000000000670000-0x000000000068E000-memory.dmp
    Filesize

    120KB

  • memory/1784-70-0x0000000000690000-0x000000000069A000-memory.dmp
    Filesize

    40KB

  • memory/1784-71-0x0000000000740000-0x0000000000752000-memory.dmp
    Filesize

    72KB

  • memory/1784-72-0x0000000000760000-0x000000000077A000-memory.dmp
    Filesize

    104KB

  • memory/1784-73-0x0000000000890000-0x000000000089E000-memory.dmp
    Filesize

    56KB

  • memory/1784-74-0x00000000008B0000-0x00000000008C2000-memory.dmp
    Filesize

    72KB

  • memory/1784-75-0x00000000008C0000-0x00000000008CC000-memory.dmp
    Filesize

    48KB

  • memory/1784-76-0x0000000000C00000-0x0000000000C0E000-memory.dmp
    Filesize

    56KB

  • memory/1784-77-0x0000000000C10000-0x0000000000C24000-memory.dmp
    Filesize

    80KB

  • memory/1784-78-0x0000000000C20000-0x0000000000C30000-memory.dmp
    Filesize

    64KB

  • memory/1784-79-0x0000000000C30000-0x0000000000C44000-memory.dmp
    Filesize

    80KB

  • memory/1784-80-0x0000000002050000-0x000000000205E000-memory.dmp
    Filesize

    56KB

  • memory/1784-81-0x0000000004640000-0x000000000466E000-memory.dmp
    Filesize

    184KB

  • memory/1784-82-0x0000000002170000-0x0000000002184000-memory.dmp
    Filesize

    80KB