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Analysis

  • max time kernel
    183s
  • max time network
    299s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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.

  • 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 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe
    "C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2296
    • 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:2908
    • 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:1996
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA9BD.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1892
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAB64.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\pe513ZxNNQ32P70 (1).exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pcbyobus.0pk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA9BD.tmp

    Filesize

    1KB

    MD5

    c075cc11b99b7831b659d2f8f1e4c00a

    SHA1

    2c0970d2de8a8847fc5098f2a2f27e04123e5be3

    SHA256

    7f2ce1c231cab108e405902b9cd5160c615da4d3d1894eb6a5d930a91b52626d

    SHA512

    8d1aa519aa49531410a64bb16664ed44222205e53dc807daa66a497d803c75deaa58140d16db6dc5239f1f940c4f8f2a76ed44914a78e2145d18b906e674545e

  • C:\Users\Admin\AppData\Local\Temp\tmpAB64.tmp

    Filesize

    1KB

    MD5

    02783aa0d9a1a2104300bdd910c9b6dc

    SHA1

    0c8409582f9e606183eca539cc493d82983a0fb0

    SHA256

    59a13383f0495d96e868a7f41557d17f5afe15ce5548d7cc6c7501f6095f68fb

    SHA512

    11ef8bceddd6c0dc0ecec3e5bfbabba4595368b8b9be01a38ccbeaa509b7f99960fea6bbd83a37ea9807f79a5db08cdba1ec8ac85443ffdc3c0f204760153854

  • memory/1996-80-0x0000000006F50000-0x0000000006F64000-memory.dmp

    Filesize

    80KB

  • memory/1996-14-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/1996-82-0x0000000006F80000-0x0000000006F94000-memory.dmp

    Filesize

    80KB

  • memory/1996-79-0x0000000006F40000-0x0000000006F4C000-memory.dmp

    Filesize

    48KB

  • memory/1996-78-0x0000000006F30000-0x0000000006F3E000-memory.dmp

    Filesize

    56KB

  • memory/1996-77-0x0000000006F20000-0x0000000006F32000-memory.dmp

    Filesize

    72KB

  • memory/1996-76-0x0000000006F10000-0x0000000006F1E000-memory.dmp

    Filesize

    56KB

  • memory/1996-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1996-83-0x0000000006FA0000-0x0000000006FAE000-memory.dmp

    Filesize

    56KB

  • memory/1996-81-0x0000000006F60000-0x0000000006F70000-memory.dmp

    Filesize

    64KB

  • memory/1996-75-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

    Filesize

    104KB

  • memory/1996-74-0x0000000006ED0000-0x0000000006EE2000-memory.dmp

    Filesize

    72KB

  • memory/1996-72-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/1996-71-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/1996-19-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/1996-84-0x0000000006FB0000-0x0000000006FDE000-memory.dmp

    Filesize

    184KB

  • memory/1996-42-0x0000000006630000-0x000000000663A000-memory.dmp

    Filesize

    40KB

  • memory/1996-41-0x0000000006510000-0x000000000652E000-memory.dmp

    Filesize

    120KB

  • memory/1996-40-0x00000000058C0000-0x00000000058CA000-memory.dmp

    Filesize

    40KB

  • memory/1996-85-0x0000000006FE0000-0x0000000006FF4000-memory.dmp

    Filesize

    80KB

  • memory/2296-15-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2296-0-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/2296-1-0x0000000000A20000-0x0000000000ABA000-memory.dmp

    Filesize

    616KB

  • memory/2296-2-0x0000000005960000-0x0000000005F04000-memory.dmp

    Filesize

    5.6MB

  • memory/2296-3-0x0000000005450000-0x00000000054E2000-memory.dmp

    Filesize

    584KB

  • memory/2296-4-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2296-5-0x0000000005500000-0x000000000550A000-memory.dmp

    Filesize

    40KB

  • memory/2296-6-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/2296-7-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/2296-8-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2296-9-0x0000000006EC0000-0x0000000006F3A000-memory.dmp

    Filesize

    488KB

  • memory/2296-10-0x0000000009570000-0x000000000960C000-memory.dmp

    Filesize

    624KB

  • memory/2908-56-0x0000000007870000-0x000000000788E000-memory.dmp

    Filesize

    120KB

  • memory/2908-16-0x0000000002F10000-0x0000000002F46000-memory.dmp

    Filesize

    216KB

  • memory/2908-61-0x0000000007E90000-0x0000000007F26000-memory.dmp

    Filesize

    600KB

  • memory/2908-62-0x0000000007E00000-0x0000000007E11000-memory.dmp

    Filesize

    68KB

  • memory/2908-63-0x0000000007E30000-0x0000000007E3E000-memory.dmp

    Filesize

    56KB

  • memory/2908-64-0x0000000007E40000-0x0000000007E54000-memory.dmp

    Filesize

    80KB

  • memory/2908-65-0x0000000007F30000-0x0000000007F4A000-memory.dmp

    Filesize

    104KB

  • memory/2908-66-0x0000000007E70000-0x0000000007E78000-memory.dmp

    Filesize

    32KB

  • memory/2908-69-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2908-18-0x00000000059D0000-0x0000000005FF8000-memory.dmp

    Filesize

    6.2MB

  • memory/2908-17-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2908-60-0x0000000007C70000-0x0000000007C7A000-memory.dmp

    Filesize

    40KB

  • memory/2908-59-0x0000000007C10000-0x0000000007C2A000-memory.dmp

    Filesize

    104KB

  • memory/2908-58-0x0000000008250000-0x00000000088CA000-memory.dmp

    Filesize

    6.5MB

  • memory/2908-57-0x00000000078A0000-0x0000000007943000-memory.dmp

    Filesize

    652KB

  • memory/2908-38-0x00000000064B0000-0x0000000006804000-memory.dmp

    Filesize

    3.3MB

  • memory/2908-46-0x0000000070160000-0x00000000701AC000-memory.dmp

    Filesize

    304KB

  • memory/2908-45-0x0000000006E80000-0x0000000006EB2000-memory.dmp

    Filesize

    200KB

  • memory/2908-44-0x0000000006950000-0x000000000699C000-memory.dmp

    Filesize

    304KB

  • memory/2908-43-0x00000000068A0000-0x00000000068BE000-memory.dmp

    Filesize

    120KB

  • memory/2908-24-0x0000000006030000-0x0000000006052000-memory.dmp

    Filesize

    136KB

  • memory/2908-26-0x0000000006260000-0x00000000062C6000-memory.dmp

    Filesize

    408KB

  • memory/2908-25-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB