Analysis

  • max time kernel
    148s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2024 00:22

General

  • Target

    2024-10-25_5f6b7ad587ec1fe9c1afdfb1bc12463a_snatch.exe

  • Size

    2.1MB

  • MD5

    5f6b7ad587ec1fe9c1afdfb1bc12463a

  • SHA1

    b53bc71f7e1bb23378c18856cc038c6522cd1441

  • SHA256

    80518576d0012cbaafa633be79c472de9fb46c0484cd238c8d8cb0d7f2dac02d

  • SHA512

    bf11b1199950cc9d3f7444e22050ab424add02b663cf7c034fb9c27ba0428ee4f4866d89081eea9103ffc9eec6ce0bb7c6a5cd926f2b9d6ed4a51288ff902b24

  • SSDEEP

    24576:dYDqXSb84KRDMNR9r0hLxAnLGzOnqNDD+tJjEYGpUU3e4q+CjL71FL38D1PKMeY8:dYJr0G2xYGpUMqv38D1rUdFmH4

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

pkaraven.ddns.net:8282

127.0.0.1:8282

Mutex

5d3aa83f-9e45-499f-aac7-e76ef2b005e8

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2024-07-30T21:10:14.350969836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8282

  • default_group

    ANNEX1

  • 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

    5d3aa83f-9e45-499f-aac7-e76ef2b005e8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    pkaraven.ddns.net

  • primary_dns_server

    37.235.1.174

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Unexpected DNS network traffic destination 6 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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 8 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 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-25_5f6b7ad587ec1fe9c1afdfb1bc12463a_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-25_5f6b7ad587ec1fe9c1afdfb1bc12463a_snatch.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command " do { $process = Start-Process powershell -ArgumentList '-Command Add-MpPreference -ExclusionPath \"C:\Users\"' -Verb runas -PassThru -WindowStyle Hidden -Wait -ErrorAction SilentlyContinue } while ($null -eq $process) "
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath "C:\Users"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2600
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a4b671bb78e5c6f.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a4b671bb78e5c6f.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a4b671bb78e5c6f.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1592
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FhRoTtY.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1908
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FhRoTtY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9685.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1004
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a4b671bb78e5c6f.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a4b671bb78e5c6f.exe"
        3⤵
        • Executes dropped EXE
        • 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:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9685.tmp

    Filesize

    1KB

    MD5

    9e56e5eae8b3b8ba05822ea1c7de8b1b

    SHA1

    89e344ab0f8835ca84771b86f163b29d27d59f48

    SHA256

    f6d4cff1e9bda290ef84ca16b70846975b4605b5fbcf29859e6ac7b171ad0ba4

    SHA512

    5640d6613e767ddd8e3b797dedf8fd994022ae293daa939e0266b6a5a6596d74a7c809fe86f452fb0764b3eb3174278dd182f98c947bb5a75eb6ef1a905ae888

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HOAFH7AZ1HD2B30RSJ84.temp

    Filesize

    7KB

    MD5

    e4107ae6e06e63757c370646653d7f30

    SHA1

    fcda48b76e5c01fd5d7b4ff0b81c3fb045678595

    SHA256

    27798648ae5fc6caa834fd964215a969b645308a701c0819523ab564f8c7735e

    SHA512

    e89c4e8cbd045ec069c6015f7fd9c09ed22e9bbc00f2d68f45b3f8d0f40155bf22bf840b3eaa33c2753bfb78bb00d6a6c3fdd9bd8fc862b3994d5c50068f20ad

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a4b671bb78e5c6f.exe

    Filesize

    626KB

    MD5

    24c2f611285e2c29daeffd1181ff3953

    SHA1

    ba06d339dde1450b93767d414c325a69bee89155

    SHA256

    dd5a5fb1f821117c4d9c324fabb8454614a44b78f8ece89ff22ae90b8c9f3c8a

    SHA512

    6ed857ae392d1a33c69906b4d62750d9bbd1349de231a666afbc4ea74ba25c8955517a8e0a2e6e2d9f95bb3f06d5adbf3b1db3df0b0fdc44ccae094a8bde21c1

  • memory/2352-59-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/2352-46-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2352-48-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2352-60-0x0000000000A60000-0x0000000000A7E000-memory.dmp

    Filesize

    120KB

  • memory/2352-50-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2352-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2352-53-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2352-61-0x00000000005D0000-0x00000000005DA000-memory.dmp

    Filesize

    40KB

  • memory/2352-55-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2352-56-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2352-44-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2680-15-0x0000000071600000-0x0000000071BAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-25-0x0000000071600000-0x0000000071BAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-17-0x0000000071600000-0x0000000071BAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-16-0x0000000071600000-0x0000000071BAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-14-0x0000000071600000-0x0000000071BAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-13-0x0000000071601000-0x0000000071602000-memory.dmp

    Filesize

    4KB

  • memory/2768-28-0x0000000005CB0000-0x0000000005D2A000-memory.dmp

    Filesize

    488KB

  • memory/2768-27-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/2768-26-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/2768-19-0x00000000003F0000-0x0000000000402000-memory.dmp

    Filesize

    72KB

  • memory/2768-18-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/2768-10-0x0000000001310000-0x00000000013B0000-memory.dmp

    Filesize

    640KB

  • memory/2768-9-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB