Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 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 17 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 26 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
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5060
    • 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:396
      • 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:2672
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\988cd6cd69527c9a.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\988cd6cd69527c9a.exe"
      2⤵
      • Checks computer location settings
      • 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:4712
      • 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\988cd6cd69527c9a.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:464
      • 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:4672
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FhRoTtY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEF1.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4804
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\988cd6cd69527c9a.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\988cd6cd69527c9a.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:1168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    cb80edae6a174c3f8cca6e2e8fa21776

    SHA1

    ed846a79f0206057f409372a3e3509b4754ce6c4

    SHA256

    6b57b64cb1388eb1f5abf4e7cda5d399092c4304c60354b7a1d03649eacb7a98

    SHA512

    ec9bcfd95f855cfc0b7efef0738e95dd29ff1f5bf6b1376594231079889d4aaec1ca28d80990c49c3b529ab0748c3dce32d2643a76acc79e1d90e57a5ee7e36f

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    15KB

    MD5

    3c57204240f86683c7cc4c91d13060aa

    SHA1

    95cacc30f5b4687132ef4378f15c4527b6f19f9d

    SHA256

    88cb4ace79d0fcbcbd9d35a1d3c54cdea07a5dd113ad461ca32be5f59b08001f

    SHA512

    ccad1dab6ba2f5aed0c75041a6ae2ee78e80a545d09c922f6f04f5936e57caf8aa990735b29824740acff2149707d7b467216b2324e76c1a82222380e954a21e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1pwudr3p.vwt.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpFEF1.tmp

    Filesize

    1KB

    MD5

    13306dea59d97d99a72e7237b0b9d003

    SHA1

    81b608990879c241154cc89a839d641e61441ac6

    SHA256

    36ff6a344eafd5233fc9cfd214a464b33fd0345e5563a027c49328cc32180b30

    SHA512

    3a0b3d1b44b55a07744a68d9ca4507ff891121bab15c72795973a86d0ad1c2b31b71aedfc321ba02f3d70034fc8c0c5ec1cecf2ccd606761a5c416ad0711f3f9

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\988cd6cd69527c9a.exe

    Filesize

    626KB

    MD5

    24c2f611285e2c29daeffd1181ff3953

    SHA1

    ba06d339dde1450b93767d414c325a69bee89155

    SHA256

    dd5a5fb1f821117c4d9c324fabb8454614a44b78f8ece89ff22ae90b8c9f3c8a

    SHA512

    6ed857ae392d1a33c69906b4d62750d9bbd1349de231a666afbc4ea74ba25c8955517a8e0a2e6e2d9f95bb3f06d5adbf3b1db3df0b0fdc44ccae094a8bde21c1

  • memory/396-23-0x0000000008200000-0x00000000087A4000-memory.dmp

    Filesize

    5.6MB

  • memory/396-54-0x00000000747BE000-0x00000000747BF000-memory.dmp

    Filesize

    4KB

  • memory/396-9-0x00000000062A0000-0x0000000006306000-memory.dmp

    Filesize

    408KB

  • memory/396-17-0x0000000006310000-0x0000000006664000-memory.dmp

    Filesize

    3.3MB

  • memory/396-18-0x00000000068F0000-0x000000000690E000-memory.dmp

    Filesize

    120KB

  • memory/396-19-0x0000000006930000-0x000000000697C000-memory.dmp

    Filesize

    304KB

  • memory/396-20-0x0000000007BB0000-0x0000000007C46000-memory.dmp

    Filesize

    600KB

  • memory/396-21-0x0000000006E10000-0x0000000006E2A000-memory.dmp

    Filesize

    104KB

  • memory/396-22-0x0000000006E80000-0x0000000006EA2000-memory.dmp

    Filesize

    136KB

  • memory/396-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

    Filesize

    4KB

  • memory/396-1-0x0000000005370000-0x00000000053A6000-memory.dmp

    Filesize

    216KB

  • memory/396-2-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/396-78-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/396-3-0x0000000005A90000-0x00000000060B8000-memory.dmp

    Filesize

    6.2MB

  • memory/396-4-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/396-74-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/396-6-0x0000000006230000-0x0000000006296000-memory.dmp

    Filesize

    408KB

  • memory/396-5-0x0000000005A30000-0x0000000005A52000-memory.dmp

    Filesize

    136KB

  • memory/396-55-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/464-125-0x0000000007910000-0x00000000079B3000-memory.dmp

    Filesize

    652KB

  • memory/464-137-0x0000000007C80000-0x0000000007C94000-memory.dmp

    Filesize

    80KB

  • memory/464-115-0x0000000071890000-0x00000000718DC000-memory.dmp

    Filesize

    304KB

  • memory/464-114-0x0000000006810000-0x000000000685C000-memory.dmp

    Filesize

    304KB

  • memory/464-136-0x0000000007C40000-0x0000000007C51000-memory.dmp

    Filesize

    68KB

  • memory/1168-95-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1168-113-0x0000000005C20000-0x0000000005C2A000-memory.dmp

    Filesize

    40KB

  • memory/1168-112-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

    Filesize

    120KB

  • memory/1168-111-0x00000000050F0000-0x00000000050FA000-memory.dmp

    Filesize

    40KB

  • memory/2672-36-0x00000000079C0000-0x00000000079F2000-memory.dmp

    Filesize

    200KB

  • memory/2672-73-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-24-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-66-0x0000000007D60000-0x0000000007D6E000-memory.dmp

    Filesize

    56KB

  • memory/2672-67-0x0000000007D70000-0x0000000007D84000-memory.dmp

    Filesize

    80KB

  • memory/2672-68-0x0000000007E70000-0x0000000007E8A000-memory.dmp

    Filesize

    104KB

  • memory/2672-53-0x0000000007B80000-0x0000000007B8A000-memory.dmp

    Filesize

    40KB

  • memory/2672-49-0x0000000007A00000-0x0000000007AA3000-memory.dmp

    Filesize

    652KB

  • memory/2672-48-0x0000000007980000-0x000000000799E000-memory.dmp

    Filesize

    120KB

  • memory/2672-50-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-52-0x0000000008150000-0x00000000087CA000-memory.dmp

    Filesize

    6.5MB

  • memory/2672-37-0x00000000705E0000-0x000000007062C000-memory.dmp

    Filesize

    304KB

  • memory/2672-26-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-51-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-47-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-25-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-69-0x0000000007E50000-0x0000000007E58000-memory.dmp

    Filesize

    32KB

  • memory/2672-56-0x0000000007D30000-0x0000000007D41000-memory.dmp

    Filesize

    68KB

  • memory/4672-126-0x0000000071890000-0x00000000718DC000-memory.dmp

    Filesize

    304KB

  • memory/4712-70-0x0000000006160000-0x0000000006172000-memory.dmp

    Filesize

    72KB

  • memory/4712-98-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/4712-80-0x0000000006DB0000-0x0000000006E2A000-memory.dmp

    Filesize

    488KB

  • memory/4712-79-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/4712-62-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/4712-64-0x0000000005930000-0x000000000593A000-memory.dmp

    Filesize

    40KB

  • memory/4712-61-0x0000000000BE0000-0x0000000000C80000-memory.dmp

    Filesize

    640KB

  • memory/4712-63-0x00000000054C0000-0x0000000005552000-memory.dmp

    Filesize

    584KB

  • memory/4712-65-0x0000000006170000-0x000000000620C000-memory.dmp

    Filesize

    624KB