Analysis

  • max time kernel
    105s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2025, 14:05

General

  • Target

    e1c49fe5e3769a4aadfc0c0bec70153742cc5c67330ea2b898a5000ba1e22860.exe

  • Size

    816KB

  • MD5

    585e2057af41280bf93ed5dc639a464f

  • SHA1

    cf194f6d2d633b81568902d53d90c0ed35230969

  • SHA256

    e1c49fe5e3769a4aadfc0c0bec70153742cc5c67330ea2b898a5000ba1e22860

  • SHA512

    68c5fc57eb9664bbbaf061945de6102576f7e11f95f332fe871925b62fac787055e34a136823422f3013515d7050089a881492bf99cee8287a38edd80d0b82d2

  • SSDEEP

    24576:VWN/FxFvpMCB8yubX5El4aXGd0nn+ZmvkQm5:VWN/FxFhhB8yuD5El4ac0nn+ZmvkQ2

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

powersupply88.ddnsfree.com:6969

Mutex

b2598495-3230-4f17-a9cc-7af5de3b0c74

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-10-31T04:41:14.789936536Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6969

  • default_group

    Botnet

  • 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

    b2598495-3230-4f17-a9cc-7af5de3b0c74

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    powersupply88.ddnsfree.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    15000

  • 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.

  • Nanocore family
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1c49fe5e3769a4aadfc0c0bec70153742cc5c67330ea2b898a5000ba1e22860.exe
    "C:\Users\Admin\AppData\Local\Temp\e1c49fe5e3769a4aadfc0c0bec70153742cc5c67330ea2b898a5000ba1e22860.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\e1c49fe5e3769a4aadfc0c0bec70153742cc5c67330ea2b898a5000ba1e22860.exe
      "C:\Users\Admin\AppData\Local\Temp\e1c49fe5e3769a4aadfc0c0bec70153742cc5c67330ea2b898a5000ba1e22860.exe"
      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
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp28C5.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2964
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2914.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp28C5.tmp

    Filesize

    1KB

    MD5

    f541bc5f7512c53c42333e5d75d64524

    SHA1

    00ce0036135c5f8026bbfca64d5897993403ef5f

    SHA256

    537cda8cd006e7d8bcd431f97fd70ca74272b3d644534258f8d22d0ae8853ba1

    SHA512

    c53ab4eba566f2c22488912ebe7fef8a792d2a9344ee0cd63538fe486c75daaf05d8997cea79b837891428e2d9f02a56bba30ee818ec8099df8e993f65f03af6

  • C:\Users\Admin\AppData\Local\Temp\tmp2914.tmp

    Filesize

    1KB

    MD5

    9a559f229be0944bc3dc813cde333f50

    SHA1

    0e97c97eea032b499ff060e799581e32beeceb09

    SHA256

    a63d853679aa655cced3b62a10855c56f9efd9b50770738b408d728008f73330

    SHA512

    4cbb2f77283500e86ecf79fd2cbd31d10c3af2fcf6c9a557ee0b1edead229dc07d63a5030b60df57458d52ef8c2a42ec199d2d4cdca387400d047df25b593c68

  • memory/2100-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

    Filesize

    4KB

  • memory/2100-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2100-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2100-3-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2100-16-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2452-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2452-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2452-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2452-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2452-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2452-17-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2452-6-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2452-15-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2452-18-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2452-5-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2452-4-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB