Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2024, 05:25

General

  • Target

    767ff65d4ac23c72ff613718bad1c65f.exe

  • Size

    325KB

  • MD5

    767ff65d4ac23c72ff613718bad1c65f

  • SHA1

    228a211622dd3a16d94e9a8e52b6b58f789ffa5e

  • SHA256

    130aab8a31c0ee448e9dfa04b6b5937bb0013aa22583d8fbcc60e75c2c3f1417

  • SHA512

    84776d6350a5a51c79758df86106fe80ce4bf5297313874959299654883e58525dc52dae018d4cecc3db10cac7962d00298c32df49095d3bffafa215f93421e8

  • SSDEEP

    6144:8Rrf0xh3Hfr5YwuLpVoG3SyeGl4wVIg4pqSzafxCKEQC8hcLc0fpZGF:Krf0P3HD5Y3lKwYgSKx+4ac0fpZw

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

shahzad73.casacam.net:9036

shahzad73.ddns.net:9036

Mutex

2da93aa6-e7d1-4685-b650-2c46bf98075b

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    shahzad73.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-04-17T03:02:43.205976936Z

  • 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

    9036

  • default_group

    JULY-BLESS

  • 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

    2da93aa6-e7d1-4685-b650-2c46bf98075b

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    shahzad73.casacam.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\767ff65d4ac23c72ff613718bad1c65f.exe
    "C:\Users\Admin\AppData\Local\Temp\767ff65d4ac23c72ff613718bad1c65f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\767ff65d4ac23c72ff613718bad1c65f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3620
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4585.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4585.tmp

    Filesize

    1KB

    MD5

    3e2b26ed8b75ae83a269595180e84ef6

    SHA1

    d30a0335fcce406bca8ba5764288235e6192f608

    SHA256

    108be30aeb8eb31c185a39a6726f26dacbc4e4124951c61a29ade4b7038c71ea

    SHA512

    b6981c68fcb886cc8379a068b96931b9d4f5cc5aa9bdc467e36c4168fe6c5273a2a84d8850b12c11703ec03ac6b1f1950d1e669efcb59fc2402ce4bba9dc03d3

  • memory/3620-9-0x0000000005820000-0x000000000582A000-memory.dmp

    Filesize

    40KB

  • memory/3620-8-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/3620-17-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-4-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-5-0x0000000005E20000-0x00000000063C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3620-6-0x0000000005870000-0x0000000005902000-memory.dmp

    Filesize

    584KB

  • memory/3620-7-0x0000000005910000-0x00000000059AC000-memory.dmp

    Filesize

    624KB

  • memory/3620-2-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3620-15-0x0000000006980000-0x000000000699E000-memory.dmp

    Filesize

    120KB

  • memory/3620-16-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

    Filesize

    40KB

  • memory/3620-14-0x0000000005E00000-0x0000000005E0A000-memory.dmp

    Filesize

    40KB

  • memory/4060-1-0x00000000005C0000-0x00000000005C2000-memory.dmp

    Filesize

    8KB

  • memory/4060-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/4060-3-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB