Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 01:56

General

  • Target

    36d910db5480443e681e9ccaae98daa5.exe

  • Size

    591KB

  • MD5

    36d910db5480443e681e9ccaae98daa5

  • SHA1

    37aede51253ea0e6e3c032e5131e51285654e711

  • SHA256

    a9b2c3cfd1964fc818c4ba2955f17482db01a5e6130dcbdc93272c34ddb31343

  • SHA512

    e7556c058431cc618d0482e108f6fb78427c751c661c32c1d006a4bdc63f5a6801b08e7aee87b9a0e8025be33ce7a11d2ee7360725552630552ef1bd4d97e50c

  • SSDEEP

    12288:6XHafsJMsvTewct5Fc4QqGNwTgQToxuf0NsUcp2Zi7XLVH9EW:WafQMUTe5e4QpwI00NmOM0

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

213.152.161.181:45808

Mutex

724426ed-9454-4c88-a403-247ed8c8ccb6

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    84.200.70.40

  • buffer_size

    65535

  • build_time

    2024-03-23T08:16:32.230976436Z

  • 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

    45808

  • default_group

    Default

  • 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

    724426ed-9454-4c88-a403-247ed8c8ccb6

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    213.152.161.181

  • primary_dns_server

    84.200.69.80

  • 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 1 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.

  • Adds Run key to start application 2 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 6 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36d910db5480443e681e9ccaae98daa5.exe
    "C:\Users\Admin\AppData\Local\Temp\36d910db5480443e681e9ccaae98daa5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gLCtqBlZtm.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gLCtqBlZtm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2308
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • 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:4320
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B2.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1076
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE92.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uszy1wm3.epm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp22E.tmp

    Filesize

    1KB

    MD5

    a916368761c1d76d3675bbbd251a4bf0

    SHA1

    8dd5684d6d69aef997cb320e8841db3d79e40a0a

    SHA256

    6c57471c606614f83eddcc7afe61f82e18b04a84e55ec2f0d81065345919a026

    SHA512

    ceec7774904d348420b07ec43d030ffc6d9f9be2cd0fac865967edd632e384c45eb74a7b76502bdcb529e64bdcd3c2c5f1dbf5026e09ddf32bffc7ff2b297890

  • C:\Users\Admin\AppData\Local\Temp\tmp6B2.tmp

    Filesize

    1KB

    MD5

    8cad1b41587ced0f1e74396794f31d58

    SHA1

    11054bf74fcf5e8e412768035e4dae43aa7b710f

    SHA256

    3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

    SHA512

    99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

  • C:\Users\Admin\AppData\Local\Temp\tmpE92.tmp

    Filesize

    1KB

    MD5

    a4f6fa4537e2dcf0d3e2802c0f070a4d

    SHA1

    03545095bfeddd7656b5b8547ab84a810324a94f

    SHA256

    192ac26e1895b267149bde35c55327f4a441693495239da5899062924d45bd11

    SHA512

    a4293123d718b0511a8301a7f536e403cecf8bc89f25f9dc4692b293eb8a554a8eb67993a26fe0e96792b6eb3573b34e9b270777cafe95c2383268da6d40fd2e

  • memory/1384-73-0x0000000007510000-0x000000000752A000-memory.dmp

    Filesize

    104KB

  • memory/1384-77-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-74-0x00000000074F0000-0x00000000074F8000-memory.dmp

    Filesize

    32KB

  • memory/1384-72-0x0000000007410000-0x0000000007424000-memory.dmp

    Filesize

    80KB

  • memory/1384-71-0x0000000007400000-0x000000000740E000-memory.dmp

    Filesize

    56KB

  • memory/1384-69-0x00000000073D0000-0x00000000073E1000-memory.dmp

    Filesize

    68KB

  • memory/1384-68-0x0000000007450000-0x00000000074E6000-memory.dmp

    Filesize

    600KB

  • memory/1384-15-0x0000000002590000-0x00000000025C6000-memory.dmp

    Filesize

    216KB

  • memory/1384-67-0x0000000007030000-0x000000000703A000-memory.dmp

    Filesize

    40KB

  • memory/1384-18-0x00000000052C0000-0x00000000058E8000-memory.dmp

    Filesize

    6.2MB

  • memory/1384-19-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-66-0x0000000006FC0000-0x0000000006FDA000-memory.dmp

    Filesize

    104KB

  • memory/1384-65-0x00000000078F0000-0x0000000007F6A000-memory.dmp

    Filesize

    6.5MB

  • memory/1384-21-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-25-0x00000000050F0000-0x0000000005156000-memory.dmp

    Filesize

    408KB

  • memory/1384-26-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-64-0x0000000006EA0000-0x0000000006F43000-memory.dmp

    Filesize

    652KB

  • memory/1384-63-0x0000000006440000-0x000000000645E000-memory.dmp

    Filesize

    120KB

  • memory/1384-53-0x0000000074F30000-0x0000000074F7C000-memory.dmp

    Filesize

    304KB

  • memory/1384-52-0x00000000064A0000-0x00000000064D2000-memory.dmp

    Filesize

    200KB

  • memory/1384-24-0x0000000005080000-0x00000000050E6000-memory.dmp

    Filesize

    408KB

  • memory/1384-23-0x0000000004EE0000-0x0000000004F02000-memory.dmp

    Filesize

    136KB

  • memory/1384-39-0x0000000005E90000-0x0000000005EAE000-memory.dmp

    Filesize

    120KB

  • memory/1384-40-0x00000000062B0000-0x00000000062FC000-memory.dmp

    Filesize

    304KB

  • memory/1384-29-0x00000000058F0000-0x0000000005C44000-memory.dmp

    Filesize

    3.3MB

  • memory/4320-87-0x0000000006F80000-0x0000000006F94000-memory.dmp

    Filesize

    80KB

  • memory/4320-80-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

    Filesize

    104KB

  • memory/4320-79-0x0000000006EC0000-0x0000000006ED2000-memory.dmp

    Filesize

    72KB

  • memory/4320-49-0x00000000058E0000-0x00000000058EC000-memory.dmp

    Filesize

    48KB

  • memory/4320-90-0x0000000006FE0000-0x0000000006FF4000-memory.dmp

    Filesize

    80KB

  • memory/4320-89-0x0000000006FA0000-0x0000000006FCE000-memory.dmp

    Filesize

    184KB

  • memory/4320-88-0x0000000006F90000-0x0000000006F9E000-memory.dmp

    Filesize

    56KB

  • memory/4320-28-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4320-92-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4320-48-0x00000000058D0000-0x00000000058DA000-memory.dmp

    Filesize

    40KB

  • memory/4320-85-0x0000000006F40000-0x0000000006F54000-memory.dmp

    Filesize

    80KB

  • memory/4320-86-0x0000000006F50000-0x0000000006F60000-memory.dmp

    Filesize

    64KB

  • memory/4320-84-0x0000000006F30000-0x0000000006F3C000-memory.dmp

    Filesize

    48KB

  • memory/4320-83-0x0000000006F20000-0x0000000006F2E000-memory.dmp

    Filesize

    56KB

  • memory/4320-82-0x0000000006F10000-0x0000000006F22000-memory.dmp

    Filesize

    72KB

  • memory/4320-50-0x0000000006760000-0x000000000677E000-memory.dmp

    Filesize

    120KB

  • memory/4320-81-0x0000000006F00000-0x0000000006F0E000-memory.dmp

    Filesize

    56KB

  • memory/4320-51-0x00000000069B0000-0x00000000069BA000-memory.dmp

    Filesize

    40KB

  • memory/4320-20-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4576-27-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-5-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

    Filesize

    40KB

  • memory/4576-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

    Filesize

    584KB

  • memory/4576-8-0x0000000006110000-0x000000000618C000-memory.dmp

    Filesize

    496KB

  • memory/4576-9-0x0000000009F90000-0x000000000A02C000-memory.dmp

    Filesize

    624KB

  • memory/4576-6-0x00000000050C0000-0x00000000050CE000-memory.dmp

    Filesize

    56KB

  • memory/4576-16-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-4-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-1-0x0000000000390000-0x000000000042A000-memory.dmp

    Filesize

    616KB

  • memory/4576-0-0x000000007469E000-0x000000007469F000-memory.dmp

    Filesize

    4KB

  • memory/4576-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

    Filesize

    5.6MB

  • memory/4576-10-0x000000007469E000-0x000000007469F000-memory.dmp

    Filesize

    4KB

  • memory/4576-7-0x0000000005100000-0x000000000510E000-memory.dmp

    Filesize

    56KB