Analysis

  • max time kernel
    133s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2024 09:15

General

  • Target

    10b98a933809918bfcdd9c1ea91edee6.exe

  • Size

    636KB

  • MD5

    10b98a933809918bfcdd9c1ea91edee6

  • SHA1

    4e5f1555f8030aab3e98fe7ef31c8083ba9e32f2

  • SHA256

    70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3

  • SHA512

    d5b735529dcc61cc92d2ca93a1b477f9e08901e903847ad68d9d63547c46f5d16f29deb3e329a981068be866167df4eeecf2f14f30ae04501b327c6aff6b2dac

  • SSDEEP

    12288:sMfzumQeZXgZ2KsYEPpU0TET/BSqxTsJXVl+N84xXF7NPTZW:ssnlwQgEPpUOEdpdSVlD4xVJPTc

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

66.63.187.113:1664

Mutex

a376f716-2f77-4943-a431-3a3bcb53b7c0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    66.63.187.113

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-08-05T03:49:33.827385136Z

  • 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

    1664

  • default_group

    CAT

  • 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

    a376f716-2f77-4943-a431-3a3bcb53b7c0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    66.63.187.113

  • primary_dns_server

    8.8.8.8

  • 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.

  • Nanocore family
  • 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
  • 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 5 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 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10b98a933809918bfcdd9c1ea91edee6.exe
    "C:\Users\Admin\AppData\Local\Temp\10b98a933809918bfcdd9c1ea91edee6.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:4344
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\10b98a933809918bfcdd9c1ea91edee6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2968
    • C:\Users\Admin\AppData\Local\Temp\10b98a933809918bfcdd9c1ea91edee6.exe
      "C:\Users\Admin\AppData\Local\Temp\10b98a933809918bfcdd9c1ea91edee6.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:2184
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp79C.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2680
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpABA.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bhlyzgcm.i2f.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp79C.tmp

    Filesize

    1KB

    MD5

    3f789993a3cf6d40085f2cea34da2f1e

    SHA1

    d2dce7dfd910ec3b37c4656315873dc159daa848

    SHA256

    e2fef2bd38d09f8410f9d3271e920842335dd4b2a76000f25ea11eb95e56ecae

    SHA512

    17399f97406c4b5b3cc6e0e1d3ac4892e2e7911ab0f0ce4c67759e828c008bd4e29bdba93ee3ca37aa117e567cc6b10193ba755baca4c4c0bc73b39d96b0fbe5

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

    Filesize

    1KB

    MD5

    7a81ae69c04c8d95261eb5f490b7f869

    SHA1

    9f4f484d306fea15b2e7f9f16db660833bb1f8ce

    SHA256

    ce3933e772f663a834335cc2071e5e7b2d49a065b51d84a259054b8ef663e785

    SHA512

    8260ab83106752a488e164bbed63ef334d34399bc9a5c09a0cfceba6aef48eafe5c64e4dfbd353ac3edfff2523b16c2b0287d34833a293c4436e068fae656de8

  • memory/2184-57-0x0000000006E60000-0x0000000006E6E000-memory.dmp

    Filesize

    56KB

  • memory/2184-13-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2184-52-0x0000000006DF0000-0x0000000006DFC000-memory.dmp

    Filesize

    48KB

  • memory/2184-53-0x0000000006E00000-0x0000000006E0E000-memory.dmp

    Filesize

    56KB

  • memory/2184-54-0x0000000006E10000-0x0000000006E24000-memory.dmp

    Filesize

    80KB

  • memory/2184-55-0x0000000006E20000-0x0000000006E30000-memory.dmp

    Filesize

    64KB

  • memory/2184-56-0x0000000006E40000-0x0000000006E54000-memory.dmp

    Filesize

    80KB

  • memory/2184-48-0x0000000006D90000-0x0000000006DA2000-memory.dmp

    Filesize

    72KB

  • memory/2184-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2184-51-0x0000000006DE0000-0x0000000006DF2000-memory.dmp

    Filesize

    72KB

  • memory/2184-58-0x0000000006E70000-0x0000000006E9E000-memory.dmp

    Filesize

    184KB

  • memory/2184-59-0x0000000006EA0000-0x0000000006EB4000-memory.dmp

    Filesize

    80KB

  • memory/2184-49-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

    Filesize

    104KB

  • memory/2184-50-0x0000000006DD0000-0x0000000006DDE000-memory.dmp

    Filesize

    56KB

  • memory/2184-43-0x0000000005820000-0x000000000582A000-memory.dmp

    Filesize

    40KB

  • memory/2184-45-0x0000000006660000-0x000000000666A000-memory.dmp

    Filesize

    40KB

  • memory/2184-86-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2184-44-0x0000000005840000-0x000000000585E000-memory.dmp

    Filesize

    120KB

  • memory/2184-87-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2184-39-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2968-16-0x00000000054B0000-0x0000000005AD8000-memory.dmp

    Filesize

    6.2MB

  • memory/2968-82-0x00000000078D0000-0x00000000078D8000-memory.dmp

    Filesize

    32KB

  • memory/2968-18-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2968-38-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2968-37-0x0000000006320000-0x000000000636C000-memory.dmp

    Filesize

    304KB

  • memory/2968-34-0x0000000005CB0000-0x0000000006004000-memory.dmp

    Filesize

    3.3MB

  • memory/2968-19-0x00000000053C0000-0x00000000053E2000-memory.dmp

    Filesize

    136KB

  • memory/2968-22-0x0000000005C40000-0x0000000005CA6000-memory.dmp

    Filesize

    408KB

  • memory/2968-20-0x0000000005B20000-0x0000000005B86000-memory.dmp

    Filesize

    408KB

  • memory/2968-17-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2968-36-0x0000000006290000-0x00000000062AE000-memory.dmp

    Filesize

    120KB

  • memory/2968-15-0x00000000029D0000-0x0000000002A06000-memory.dmp

    Filesize

    216KB

  • memory/2968-85-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2968-74-0x0000000007C00000-0x000000000827A000-memory.dmp

    Filesize

    6.5MB

  • memory/2968-81-0x00000000078F0000-0x000000000790A000-memory.dmp

    Filesize

    104KB

  • memory/2968-80-0x00000000077F0000-0x0000000007804000-memory.dmp

    Filesize

    80KB

  • memory/2968-79-0x00000000077E0000-0x00000000077EE000-memory.dmp

    Filesize

    56KB

  • memory/2968-78-0x00000000077B0000-0x00000000077C1000-memory.dmp

    Filesize

    68KB

  • memory/2968-77-0x0000000007830000-0x00000000078C6000-memory.dmp

    Filesize

    600KB

  • memory/2968-76-0x0000000007620000-0x000000000762A000-memory.dmp

    Filesize

    40KB

  • memory/2968-75-0x00000000075B0000-0x00000000075CA000-memory.dmp

    Filesize

    104KB

  • memory/2968-61-0x0000000007280000-0x00000000072B2000-memory.dmp

    Filesize

    200KB

  • memory/2968-62-0x00000000706B0000-0x00000000706FC000-memory.dmp

    Filesize

    304KB

  • memory/2968-72-0x0000000006860000-0x000000000687E000-memory.dmp

    Filesize

    120KB

  • memory/2968-73-0x00000000074C0000-0x0000000007563000-memory.dmp

    Filesize

    652KB

  • memory/4344-0-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

    Filesize

    4KB

  • memory/4344-3-0x0000000004D70000-0x0000000004E02000-memory.dmp

    Filesize

    584KB

  • memory/4344-4-0x0000000004E30000-0x0000000004E3A000-memory.dmp

    Filesize

    40KB

  • memory/4344-5-0x0000000005030000-0x00000000050CC000-memory.dmp

    Filesize

    624KB

  • memory/4344-6-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4344-7-0x0000000005240000-0x000000000525E000-memory.dmp

    Filesize

    120KB

  • memory/4344-8-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

    Filesize

    4KB

  • memory/4344-9-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4344-10-0x00000000025C0000-0x000000000263A000-memory.dmp

    Filesize

    488KB

  • memory/4344-14-0x0000000074AF0000-0x00000000752A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4344-2-0x0000000005440000-0x00000000059E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4344-1-0x0000000000420000-0x00000000004C6000-memory.dmp

    Filesize

    664KB