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Analysis

  • max time kernel
    120s
  • max time network
    300s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 14:51

General

  • Target

    pe513ZxNNQ32P70 (1).exe

  • Size

    593KB

  • MD5

    c2c5a1dc123a5d2a04675210ec41f248

  • SHA1

    f12307b419f7cac6d1323ba6fd6df782aedca141

  • SHA256

    7af816210b7fe504d7f1aefbb2dc33642e8f8b05b338d33b65d62910a8bc42a2

  • SHA512

    d75cf63c6bf8ee063fdebacae5d9092c4cb853dbf00ac17205ea8155fc3b1d976dc0363454652528c6b8b071964bb3bdf95fb3a25f09acbdb7ae279f28f60ed8

  • SSDEEP

    12288:EHSD0mNU+z6AILbhKPICKreZr5Z6lVKvGWxg6Ca2Wp:Ey9vz6Bb8hxZVZQwvDa6C/W

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blv23728.ddns.net:6110

127.0.0.1:6110

Mutex

c04f2f08-744f-4293-8ea1-2fca37d145bf

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-06-30T19:46:18.917482936Z

  • 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

    6110

  • default_group

    C3C3

  • 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

    c04f2f08-744f-4293-8ea1-2fca37d145bf

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    blv23728.ddns.net

  • 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.

  • 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.

  • 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 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe
    "C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3044
    • 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\pe513ZxNNQ32P70 (1).exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2176
    • C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe
      "C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).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:2812
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3DBC.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2568
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3E1A.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3DBC.tmp

    Filesize

    1KB

    MD5

    c075cc11b99b7831b659d2f8f1e4c00a

    SHA1

    2c0970d2de8a8847fc5098f2a2f27e04123e5be3

    SHA256

    7f2ce1c231cab108e405902b9cd5160c615da4d3d1894eb6a5d930a91b52626d

    SHA512

    8d1aa519aa49531410a64bb16664ed44222205e53dc807daa66a497d803c75deaa58140d16db6dc5239f1f940c4f8f2a76ed44914a78e2145d18b906e674545e

  • C:\Users\Admin\AppData\Local\Temp\tmp3E1A.tmp

    Filesize

    1KB

    MD5

    0a24db62cb5b84309c4803346caaa25d

    SHA1

    67660778f61bb44168c33ed3fe56ed86cf9583e8

    SHA256

    38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

    SHA512

    d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

  • memory/2812-9-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-30-0x0000000000450000-0x000000000045A000-memory.dmp

    Filesize

    40KB

  • memory/2812-47-0x0000000000D40000-0x0000000000D54000-memory.dmp

    Filesize

    80KB

  • memory/2812-46-0x0000000000BF0000-0x0000000000C1E000-memory.dmp

    Filesize

    184KB

  • memory/2812-45-0x0000000000B50000-0x0000000000B5E000-memory.dmp

    Filesize

    56KB

  • memory/2812-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-44-0x0000000000B40000-0x0000000000B54000-memory.dmp

    Filesize

    80KB

  • memory/2812-20-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2812-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-43-0x0000000000B30000-0x0000000000B40000-memory.dmp

    Filesize

    64KB

  • memory/2812-42-0x0000000000B20000-0x0000000000B34000-memory.dmp

    Filesize

    80KB

  • memory/2812-41-0x0000000000B10000-0x0000000000B1C000-memory.dmp

    Filesize

    48KB

  • memory/2812-31-0x0000000000460000-0x000000000047E000-memory.dmp

    Filesize

    120KB

  • memory/2812-39-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

    Filesize

    72KB

  • memory/2812-32-0x0000000000480000-0x000000000048A000-memory.dmp

    Filesize

    40KB

  • memory/2812-34-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2812-36-0x00000000004C0000-0x00000000004D2000-memory.dmp

    Filesize

    72KB

  • memory/2812-37-0x00000000005D0000-0x00000000005EA000-memory.dmp

    Filesize

    104KB

  • memory/2812-38-0x0000000000A50000-0x0000000000A5E000-memory.dmp

    Filesize

    56KB

  • memory/2812-40-0x0000000000AC0000-0x0000000000ACE000-memory.dmp

    Filesize

    56KB

  • memory/3044-1-0x0000000000D50000-0x0000000000DEA000-memory.dmp

    Filesize

    616KB

  • memory/3044-3-0x00000000003E0000-0x00000000003F0000-memory.dmp

    Filesize

    64KB

  • memory/3044-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

    Filesize

    4KB

  • memory/3044-19-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-6-0x0000000005530000-0x00000000055AA000-memory.dmp

    Filesize

    488KB

  • memory/3044-5-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-4-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

    Filesize

    4KB