Analysis

  • max time kernel
    134s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 05:04

General

  • Target

    PROOF OF PAYMENT.exe

  • Size

    769KB

  • MD5

    74b1f9ccfc3a8cd599c6565187306657

  • SHA1

    447362e6ac5562132324147636b2c5f13ed7e87e

  • SHA256

    8c6515ea1d1dc1263f76e273d06eee09ce298ddaefa435b84bb6e5bc9b578da1

  • SHA512

    c88740b94abe0fc862560525566b6c8482cc04c59f43c85b5ee8220db546eeb77990cea5a792aa0928341152371a1b84e27df7abb6bdedad5982937cb0128821

  • SSDEEP

    12288:ixfMNAGE3qOh/EcvseSdNZo9KDictCHTC0kX7qj8DBTuLTtuZTUJ:i9GVE3qOh/zxqG9lkCHo7qQtThZTU

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:4190

Mutex

2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    amechi.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-27T10:27:04.358793536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4190

  • default_group

    EYPPPP

  • 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

    2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    amechi.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.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
    "C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kgiHOQFWsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp42F9.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2900
    • C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp42F9.tmp

    Filesize

    1KB

    MD5

    643e4caa6f16427d5b8827cf9f046a1c

    SHA1

    1ff53ed052ff324561d7a1fa8dbce0a2f19fa65c

    SHA256

    fb1e6b0d8f9c3cd92267f4004b23c5a3e6d7ea7d1c15f72a866acdd6fc1fe9c6

    SHA512

    3447bcdd0cf4508befdca8ae34e940cd009ae21781b171c3b3908c97d69155cc7a4fd988a2cc55deddb644b7dae583e709fe9b76f7e6dfe8d549e1c1d90dcefc

  • memory/2408-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

    Filesize

    4KB

  • memory/2408-1-0x0000000000870000-0x0000000000936000-memory.dmp

    Filesize

    792KB

  • memory/2408-2-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-3-0x00000000002B0000-0x00000000002B8000-memory.dmp

    Filesize

    32KB

  • memory/2408-4-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

    Filesize

    4KB

  • memory/2408-5-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-6-0x0000000005CF0000-0x0000000005D84000-memory.dmp

    Filesize

    592KB

  • memory/2408-28-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/2732-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2732-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2732-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2732-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2732-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2732-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2732-21-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/2732-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-23-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/2732-25-0x00000000003A0000-0x00000000003AA000-memory.dmp

    Filesize

    40KB

  • memory/2732-26-0x0000000000440000-0x000000000045E000-memory.dmp

    Filesize

    120KB

  • memory/2732-27-0x0000000000460000-0x000000000046A000-memory.dmp

    Filesize

    40KB

  • memory/2732-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2732-29-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB

  • memory/2732-30-0x0000000074DA0000-0x000000007548E000-memory.dmp

    Filesize

    6.9MB